CN102395929B - Method for providing information about the wear and tear of a component of a machine and method for providing a replacement algorithm - Google Patents

Method for providing information about the wear and tear of a component of a machine and method for providing a replacement algorithm Download PDF

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Publication number
CN102395929B
CN102395929B CN201080016757.XA CN201080016757A CN102395929B CN 102395929 B CN102395929 B CN 102395929B CN 201080016757 A CN201080016757 A CN 201080016757A CN 102395929 B CN102395929 B CN 102395929B
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machine
algorithm
running parameter
information
tearing
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CN102395929A (en
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M.明茨贝格
G.兰德格拉夫
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065Monitoring tool breakage, life or condition
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/37Measurements
    • G05B2219/37254Estimate wear of subsystem of machine with measures from other subsystems
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/50Machine tool, machine tool null till machine tool work handling
    • G05B2219/50308Estimate wear from machining data and conditions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention relates to a method (400) for providing information about the wear and tear of a component (20) of a machine (35) or information about the quality of a product which is to be produced by the machine (10, 35). Said method comprises the following steps; an algorithm is provided (410) in a memory (80) of the machine (10), said algorithm being designed to provide information about the wear and tear of a component (20) of the machine (35) or information about the quality of a product which is to be produced by the machine (35), from the operational parameters of the machine (10, 35); a replacement algorithm (120) is received (420) by an interface of the machine (10, 35) and the algorithm is replaced in the memory (80) by the replacement algorithm (120), said replacement algorithm (120) being designed, when the machine is in operation, to provide information about the wear and tear of a component (20) of the machine (10, 35) or information about the quality of a product which is to be produced by the machine (10, 35), from the operational parameters of the machine (10, 35); a plurality of operational parameters of the machine (10, 35) are obtained (430) and information and output about the wear and tear of a component (20) of the machine (10, 30, 35) or information about the quality of a product which is to be produced by the machine (10, 30, 35) is determined (440) and output, said determination (440) being carried out using the replacement algorithm (120) and the obtained operational parameters.

Description

Method about the information of machine part wearing and tearing and the method providing replacement algorithm are provided
Technical field
The present invention relates to a kind of according to claim 1 for providing the method for the information of the wearing and tearing of the parts about machine, one according to claim 5 for providing the method for replacing algorithm (Ersatzalgorithmus), a kind of opertaing device according to claim 10 and a kind of computer program according to claim 11.
Background technology
In traditional machine, such as milling machine, drilling machine, lathe or laser cutting machine (being referred to as lathe), the wearing and tearing of the parts of the determination of these machines can be inferred by detecting the running parameter determined.Such as, by detection vibration, motor speed, strength of current or voltage or the wearing and tearing that the bearing of this machine can be inferred at the similar running parameter at the different parts place of this machine, the function monitoring machine is continuously made it possible to.Such as when the material of mistake is processed (it is higher or cause vibration to be enhanced or irregular that this can result through the strength of current of the electric current of motor), the quality of the product that will be manufactured by this machine can also be monitored in a similar fashion by analyzing such running parameter.Then the quality of the product that this machine will manufacture can be identified by equally according to these running parameters.But on the very long time period, the workmanship of this machine especially, can be guaranteed continuously.
In order to analyze these running parameters, be provided with following algorithm in this machine: this algorithm is configured to so that the corresponding running parameter receiving machine obtains the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine thus as input quantity, thus ensure that the workmanship of this machine.But here, it is noted that this algorithm comprises fixing the associating of the feature (Auspraegungen) of the determination of running parameter and the information of the wearing and tearing of the parts about this machine or the information about the quality of the product that will be manufactured by this machine.But, this be associated in this only mappings work parameter creating moment of this algorithm known these mutual relationships.
Summary of the invention
The present invention based on task be the improvement of the identification of the wearing and tearing of the parts that can realize machine or the identification to the quality of the product that will be manufactured by this machine.
This task is solved by method according to claim 1, method according to claim 5, opertaing device according to claim 10 and computer program according to claim 11.Favourable form of implementation of the present invention is by relevant dependent claims and limited by following description.
The present invention proposes a kind of for providing the method for the information of the wearing and tearing of the parts about machine or the information about the quality of the product that will be manufactured by this machine, wherein the method has following steps:
-in the storer of machine, provide algorithm, wherein this algorithm is configured to provide the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine according to the running parameter of machine;
-replace algorithm by the interface of this machine and replace this algorithm in memory by this replacement algorithm, wherein this replacement algorithm is configured to provide the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine during this machine operation according to the running parameter of this machine;
-obtain multiple running parameters of this machine; And
-determine and export the information of wearing and tearing of the parts about this machine or the information of the quality about the product that will be manufactured by this machine, wherein determine to carry out when using replacement algorithm and the running parameter obtained.
In addition, the present invention proposes a kind of for providing the method for replacing algorithm, this replacement algorithm is arranged for the algorithm replaced in machine, and wherein the method has following steps:
-by the running parameter of the multiple machine of interface;
-analyze the running parameter of described multiple machine, so that when using the understanding of the mutual relationship of the wearing and tearing of the parts to received running parameter and this machine or replace algorithm to creating when the understanding of received running parameter with the mutual relationship of the quality of the product that will be manufactured by this machine, this replacement algorithm is configured to so that according to the workload supply as input quantity as the information of the information of the wearing and tearing of the parts about this machine of output quantity or the quality about the product that will be manufactured by this machine; And
-be transferred to the unit of this machine by replacing algorithm, can be replaced algorithm by this replacement algorithm in this machine, the algorithm wherein will replaced is configured to equally to supply the information of the information of the wearing and tearing of the parts about this machine as output quantity or the quality about the product that will be manufactured by this machine according to the workload as input quantity.
Present invention also proposes a kind of opertaing device, this opertaing device is configured to the step of the form of implementation performing or control said method.
Opertaing device can be understood to processes sensor signal at this and export the electric equipment of control signal accordingly.This opertaing device can have can in hardware and/or the interface be constructed with software mode.When constructing in hardware, interface can be such as the part comprising the extremely different function of opertaing device of so-called system ASIC.But also possible that, these interfaces are special integrated circuit or are made up of discrete device at least partly.When constructing with software mode, these interfaces can be the software modules such as also existed except other software modules on a microcontroller.
A kind of computer program with program code is also favourable, this program code is stored in machine-readable carrier, as in semiconductor memory, harddisk memory or optical memory, and when program is implemented on the control device, this program code is used to perform the method according to one of form of implementation described above.
The present invention is based on following cognition: the know-how of utilization progress also improves the mutual relationship between running parameter and the information about the wearing and tearing of the parts of this machine or the information about the quality of the product that will be manufactured by this machine.Such as, can specify in research subsequently in the laboratory of the manufacturer of this machine: other running parameters of the determination of this machine also can realize wearing and tearing about the parts of this machine or the relevant information of the quality of product that will manufacture.Machine can be lathe such as milling machine, drilling machine, lathe, laser cutting machine for milling workpiece on x direction, y direction and/or z direction at this.Machine also can be wind power generation plant or Hydrodynamic unit or other any machines.Running parameter can be understood to the signal representing physical quantity.Such as, running parameter can represent the vibration of the parts of this machine or map the rotating speed of motor, strength of current and/or voltage.
But for after providing the information of the wearing and tearing of the parts about this machine or being stored in the storer of machine about the algorithm of the information of the quality of the product that will manufacture, problem is, together can consider the mutual relationship between the wearing and tearing of parts at running parameter and this machine that identify in the moment after a while or the quality of product.Here advised method can realize the consideration of other information this in the following way, such as can create new algorithm by the manufacturer of this machine, this new algorithm considers the new mutual relationship between running parameter and component wear or the quality of product that will manufacture.At this, manufacturer's (or central operator of multiple machine) such as can obtain the different sets of running parameter from multiple machine, and simulates the effect of these running parameters to the parts of this machine or the quality of product by emulation (such as utilizing emulation tool MATLAB).In simulations, together can consider the cognition of the renewal about interference volume, these interference volumes have been exactly known since such as creating this algorithm from storer in this machine.Based on these new cognitions (such as by emulation tool itself) establishment new algorithm, namely replace algorithm, wherein new known interference volume or (generally speaking) the new mutual relationship between the wearing and tearing or the quality of end product that will produce of the parts of running parameter and this machine be implemented.Replace algorithm be then transferred to described machine or multiple machine by interface by returning and before replacing it stored in algorithm.
This invention therefore provides following advantage: the mutual relationship between the wearing and tearing of the parts of running parameter and this machine or the quality of product that will be manufactured by this machine can be maintained in up-to-date know-how all the time.This can realize changing in time parts, the bearing of such as machine or axle, make also by be used in pay machine after the knowledge that just obtains reduce shut down time further.The knowledge obtained after paying machine also can be used to guarantee the high-quality of the product made by corresponding machine.
Advantageously, the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine can be realized when using first of running parameter the set at the algorithm that the step provided provides, and wherein can realize the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine when using second of running parameter the set at the replacement algorithm received by the step received, wherein the first set of running parameter is different with the second set.Such form of implementation of the present invention provides following advantage: the algorithm will replaced in basis provides other running parameters not yet considered during information to be taken into account equally now.This can realize the wearing and tearing of machine part or the improvement of the assessment of the quality of product that will manufacture.
In another form of implementation of the present invention, the step of acquisition also may be implemented as and multiple running parameter is selected from the multiple stored of this machine or current detected running parameter.Such form of implementation of the present invention provides following advantage: replacement algorithm has obviously more running parameter and can use, and therefore such as can determine the mutual relationship between each running parameter and the wearing and tearing of parts or the quality of product by statistical analysis.Therefore, no longer to provide those independent running parameters relevant to the algorithm that will replace, and be to provide obviously more running parameter, replace algorithm and can determine corresponding information according to these running parameters.
Replace the step of algorithm and also can receive and replace algorithm as follows receiving: this replacement algorithm be configured in case extracts and storage characteristics data as obtained running parameter, wherein these performance datas can realize the classification of working as the event that described machine operationally occurs.Such form of implementation of the present invention provides following advantage: considered running parameter can be realized to be reduced to the performance data determined, these performance datas can realize more easily classifying to event.These performance datas then can be stored in described machine and to be utilized by other functions.
Receiving the step of replacing algorithm and replacing the algorithm in storer, the data memory structure that also can change the storage of the running parameter for this machine and/or the output changed in the result for the replacement algorithm on the display device of operator.This provide following advantage, can realize with replace algorithm adaptation the storage to running parameter or with replace algorithm adaptation to the output of result of replacing algorithm.Processing fast and effectively of running parameter can be carried out by this way.
In addition, the step analyzed, creates replacement algorithm with the form of dynamic base or with machine code.Such form of implementation of the present invention provides following advantage: described replacement algorithm can be implemented immediately and need not load the specific software instrument for implementing this replacement algorithm on machine.
Also advantageously, the knowledge of the knowledge of the mutual relationship of the wearing and tearing of the parts of running parameter and this machine received by adopting in the step analyzed or received running parameter and the mutual relationship of the quality of the product that will be manufactured by this machine, these knowledge were once disabled when the algorithm that establishment will be replaced.Like this when creating the algorithm that will replace also once disabled knowledge be the further improvement of available know-how, make to become possibility to the wearing and tearing of described parts of this machine or the identification of the improvement of the quality of product that will be manufactured by this machine thus.
In another form of implementation of the present invention, receive the following running parameter of machine in the step received: described running parameter on the time period of at least one month, especially detected on the time period of at least half a year.Such form of implementation of the present invention provides following advantage, can exceed long period section ground analytical work parameter, make it possible to the continuous decline also suitably considering faint outstanding wear trend or product quality when creating and replacing algorithm.
In addition, the running parameter of machine can be also analyzed as follows in the step analyzed: described machine is configured to the production of different product type.Such form of implementation of the present invention provides following advantage: can adopt identical element in the machine of production being configured to different product type.These elements usually have identical character, make the load-bearing capacity requiring to infer these parts by the difference in different machines.This can realize the better estimation of the long term wear characteristic to the corresponding component in each machine.
Accompanying drawing explanation
Accompanying drawing exemplarily with reference to the following stated sets forth the present invention in more detail.At this:
Fig. 1 shows the frame circuit diagram of the system architecture of the exemplary opertaing device had for machine, can implement embodiments of the invention thereon;
Fig. 2 shows the frame circuit diagram of an embodiment of discharge counter;
Fig. 3 shows the frame circuit diagram of the system provided for data;
Fig. 4 shows the process flow diagram of the first embodiment of the present invention as method; And
Fig. 5 shows the process flow diagram of the second embodiment of the present invention as method.
Same or similar element can be equipped with by same or similar Reference numeral in the following figures, wherein eliminates the repeated description to these elements.
Embodiment
Fig. 1 shows the frame circuit diagram of the system architecture of the example data processing unit (remote state monitoring system (Remote Condition Monitoring System)) 10 had for machine, can implement embodiments of the invention thereon.This machine comprises parts 20 at this, and described parts 20 such as can comprise bearing, drive motor, sensor, control device and/or miscellaneous part.Control device (NC, SPS, motion (Motion), RC ...), actuator (drive unit, may also have integrated SPS or motion) and Intelligent Sensorsystem (may have special analytic unit equally) will at real-time level (Echtzeitebene) upper found (finden).Unit 30 can be communicated with the functional interface (Funktionsinterface) 50 for encapsulating actual functional capability by interface 40, and wherein running parameter (such as vibration, control signal or other detectable physical quantitys, described above amount) is fed to functional interface 50 by interface 40.The unit 33 of functional interface 50 and third-party vendor also can supply measurement data by lathe 35.Functional interface 50 has the interface 60 to database 70, can preserve setting (Setup) data, performance data, graph data, raw data or other data in this database 70.Database 70 can be such as (such as Microsoft or Oracle) SQL database, and this SQL database is except for also comprising setting data, characterization data, graph data, raw data etc. except other data multiple of each method.In addition, functional interface 50 also comprises algorithm implementation unit 80, in this algorithm implementation unit 80, such as algorithm or replace algorithm and be embodied on each running parameter received by interface 40, the group of multiple running parameter received by interface 40 or all running parameters received by interface 40.Algorithm implementation unit 80 also can be configured to the interface of the Dll that integrated (such as utilizing emulation tool Mathlab) creates, and namely creates for integrated utilization Matlab and test and be converted to the interface of the algorithm of C# code subsequently.The data exported by implemented algorithm then can be transmitted by interface 60 and be stored in database 70.Opertaing device 10 can be built as general (generisch) data server 85 at this, and this general data server 85 comprises interface 40, functional interface 50, interface 60, database 80 and algorithm implementation unit 80.In addition, functional interface 50 can have the interface 90 to other data processing units or computing machine, other data processing units described or computing machine such as can comprise the webserver (Web-Server) 100(and such as be implemented in Microsoft ASP.net technology and other graphics parts) and this networking client 110 of networking client (Web-Client) 110(such as AJAX(and java script (Java-Script)) be implemented in a browser), other data processing units described or computing machine can build according to Microsoft.net standard.
According to one embodiment of present invention, can provide defined file 120 for database 70 now, described defined file 120 especially realize in opertaing device visual, analyze and measurement data structure change and as replacement algorithm be loaded in algorithm implementation unit 80.More accurately: measurement data file is used for description surface feature (type of display, Colour selection, value predetermined that will show), for describing for the form within database needed for analytical approach and the structure for describing measurement data file, by its by the data transfer from real-time partial to remote state monitoring system.(description of measurement data file structure can realize resolving and explain the data of supplying in measurement file simply.Such as, within the file for the shaping test of circle (Kreisformtest), except the desired locations of actual measurement data, such as motor and outer carriers and physical location or actual speed and desired speed, also provide other parameters, be such as provided in real-time partial sweep time of being used for carrying out recording or circular diameter, the speed of advancing etc.).Defined file 120 such as can be obtained when using measurement data file 130, and this measurement data file 130 is sent to the position (remote state monitoring system) of for this reason setting up especially by (the having head signaling information) running parameter measuring one or more machine 35.Defined file 120 can be loaded in algorithm implementation unit 80 at this and to be produced to the change of the output of modified data or to the data processing of processed data in database 70 and the change of storage by the webserver 100 or networking client 110.
At this, communication may be implemented as and makes generally to plan OPC-UA(OPC-UA=OPC unified shader (OPC-Unified Architecture) [the OPC interface of=improvement further]; OPC is initial: for the OLE of process control (Process Control).At equipment and the general database server 85 of GDS(GDS=) between first can adopt the SCP interface 40 stood severe tests towards equipment 30.Can OPC-UA be adopted between GDS 85 and the webserver 100 or MES system, such as, adopt the SQL function access encapsulated by functional interface 50 in a first step.Communication between the webserver 100 and networking client 110 such as can be undertaken by agreement HTTPS.Also can adopt distributed system, such as there is multiple GDS(by the communication via UA) the webserver or (such as with Oracle-DB's) central GDS be fed to by the GDS of multiple less dispersion.
This can arrange in the equipment of being integrated into 10 for by one of interface or by long term data storage in the analysis that will perform configuration data analytic unit (or algorithm implementation unit 80) and in the mode and method of the further process of the result to data analysis the inking device of configuration device 10.
Such as by defined file 120, the inking device be loaded in algorithm implementation unit 80 or database 70 can realize such as with the dynamic link library (dynamic link library) that #C-dll(dll=such as utilizes programming language C# to produce) the integrated new method/algorithm of form, interface wherein between system and data analysis unit 80 can be defined in more detail by XML file, so that such as in a straightforward manner can integrated any analytical approach (method) rapidly.Also the feature on surface, figure, characteristic, the graphic feature of XML file and structure measurement data are advantageously described by (such as in defined file 120) XML file.Any analytical approach such as circular shaping test can be integrated in system 10 in a straightforward manner by this way.Emulation tool Matlab(is preferably adopted such as emulation and for creating dll) in this solution.
In other words, the system described in Fig. 1 works as follows:
First: once in a while (such as every two weeks) or after critical event and collision the method for testing determined of starting system ground, for inspection machine state.In this case, NC, SPS, RC, MC, intelligent drive device, Intelligent Sensorsystem perform the excitation determined, record established data and be transmitted to RCM system.There, the measurement data file of generation is read into and verifies with regard to the condition that (described in defined file 120) limits.In this case, data quality is also verified and is stored in DB together with the measurement that will relate to the form of performance mumber (Kennzhal).And then, the real analysis to data is run subsequently.The algorithm related to then determines that these characteristic quantities are stored in again within database for the determined characteristic quantity of each measurement.In the case of a circle, this algorithm is such as circular molding tolerances.For each method of testing, multiple figure and multiple characteristic quantity can be calculated, and then show.Interested especially secular trend for application person.If these secular trend change in unallowed mode, such as index rises, then the parts related to can utilize additive method to be examined in more detail.
Secondly:
By GDS can cyclically or only when changing record aleatory variable (temperature of state, such as motor current or drive unit) and in the form of a graph in more detail analysis time characteristic.
Fig. 2 shows the frame circuit diagram of the combination of discharge counter.At this, this real-time system 200 of real-time system 200(is such as implemented in the machine of such as other lathes of milling machine, drilling machine or lathe) and usage data disposal system 210, this data handling system 210 can be such as the PC that need not implement real time data processing.Real-time system 200 can be run the function of the work for control machine, such as, as NC program 215 or SPS program 220.For the function of the work of control machine at discharge counter MTX acr(substantially for recording all types of event (this event can be the input of user or the predetermined of other external systems)) 225, such as NC server 230, processed in block preparation device (Satzvorbereitung) 235 or interior interpolator 240.([configuration] only selected by machine builder) result of block preparation device 235 or interior interpolator 240 can be stored in toroidal memory 250.Be stored in log memory 260 by the event of the control device record of MTX acr 225, special event, critical event or accident (collision) 255.Data are generated (application person can be configured this) at privileged site by the firmware of control device on the one hand.But, also can generate event according to NC program 215 and SPS program 220 in addition and by these event transmission in log memory.This log memory 260 can have very large data receiver capacity and on the very long time period, therefore store event or the accident (collision) 255 of corresponding appearance.Additionally, the desired locations of (such as under collision situation) additional data 265(from toroidal memory 250 such as in different coordinate systems and physical location can be stored in log memory 260).Log memory 260 advantageously can be disposed in the data handling system 210(such as PC that need not implement real time data processing at this) in.In addition, can arrange the unit 270 for implementing for function that is visual and that configure in non-real-time data disposal system 210, configuration data 275 makes the writing function parametrization within control device firmware.Such as determine whether the change of the tool data inputted by user interface is written in daily record at this.In addition, configuration data 275 also can show to user 280.
Can send the data to general data server 85 from the log memory 260 of non-real-time data processing unit 210, this general data server 85 is such as connected to the webserver 100 by the interface 90 shown in Fig. 1 and is connected to networking client 110 in addition.To graphically or intuitively obtained result can be shown by networking client 110.
Log memory 260 can be read by database server 85 at this and make it possible to identify definite event and be sent to maintenance personal in response to these events, with the machine of maintenance operation real-time system 200.Such as, the accident of the instrument of the lathe running real-time system 200 can be identified.In this case, corresponding event or accident 255 are transmitted to log memory 260, and this accident can be sent to the maintenance technician of the machine for this operation real-time system 200 according to the accident of transmitted data identification machine/instrument by this log memory 260 by general database server 85.Significantly improve the maintenance to the machine comprising real-time system 200 by this way.When collision or other critical events, other method of testings can be implemented targetedly.By these other method of testings, then can more accurately with regard to its status checking all parts.
In other words, the system described in Fig. 2 works as follows:
All dependent events (from simple status information until collision) are assembled by discharge counter MTX acr.These information then subsequently can for assessment of the quality bills of materials of machine state or this machine in the remote status system of higher level.
As machine event, such as user specifically can be inputted or message is considered as event at this.As special event, fault or BA conversion can within considerations.Critical event can be such as the clamping of Implement clamping systems.When instrument is controlled uncontrollably in workpiece or retainer, so collision can be identified.The basic function of real-time system can be considered as: the SD data that this discharge counter will record are apprised of by discharge counter.For collision situation, there is a toroidal memory (storage time, section can comprise approximately last 10 seconds and approximately whole 100 microseconds for position expectation value and actual value) for such as each axle be configured.SPS can by SPS-FB(SPS-FB=SPS: storer programmable control unit; FB functional part=mono-section SPS program) any one occurrence is write in log memory 260.SPS-FB provides multiple function at this, and such as SPS-FB can provide possibility NC data together write in daily record 260.This SPS-FB also can enclose appended document (File) or can independently realize by ID and language when needed.By NC program, event can be written in daily record on NC in an identical manner.Data keep to realize in PC part.Visually can to realize in a reservoir, such as, for event is listed in chronological order.When there is GDS, data are such as cyclically loaded (such as by file transfer) by GDS.Data also can be processed and be stored in DB 70.The statistical analysis with corresponding chart can be planned, such as, so that how long regulation machine stops for determining reason.
The advantage of this solution is also on the longer time period, the change of the running parameter of the automation component be connected in management system 210 to be charged to daily record (mitprotokollieren) by long term data storage 260.The impact damper of the data volume reaching 10 terabytes can be set for long record in the sense of the present invention.By data analysis unit (such as implement configure or visual function unit 70 in, in data processing unit 210 or in general database server 85), during data buffering or afterwards (yet after a limited number of years) may utilize any means/algorithm (may repeatedly in succession optimisedly) to check the data charging to daily record by interface, to derive the cognition of the state about automated system parts thus.And then the result produced by data analysis set-up is not only stored or is temporarily stored in long term memory, and after these results are processed according to the data protocol that will use, is forwarded to connected system 85,100,110 by one of interface.In addition, the manufacturing management system usually bearing Data Update can be lightened the load in required counting yield.Therefore device 225 is used as the interface exchanging data between the two systems, and these two systems can use different communication protocol.Namely device 225(is integrated in the MTX discharge counter in the real-time partial of MTX as the part of firmware) also there is the function of supervisory organ (Kontrollinstanz), it is monitored with regard to its duty the parts be connected on this equipment, control device as programmable in storer (SPS), numerical control device (NC, CNC), driving regulator and motor, analyzes the duty of these parts and duty is informed to superior system 210,85.
In addition, change the running parameter being connected to automated system parts on this equipment at running hours by the second interface, and thus operationally between correct.In addition, long term data storage 260 also can be used as the data buffer of data analysis unit 210, wherein analysis result or analyze intermediate result and can be stored in long term data storage 260 and again to be read by data analysis unit 270 and be further processed from long term data storage.Data from long term data storage 260 can be called by this superior system 85 by the superior system that can be connected on first interface.Can by the automated system component invocation being connected to the second interface it is also envisaged that data storage is configured to.
Fig. 3 shows the frame circuit diagram of the system provided for data.In this case, the real-time partial (MTX acr kernel service (Kernservice)) (310) (main task of this real-time partial is recording events) of MTX acr is used (part of control device firmware) within CNC control device core MTX 320.MTX acr kernel service 310 has the interface to installation directory (Mount-Verzeichnis) 325 and another interface to SCP 330.MTX acr panel services (Panelservice) 340 operates on man-machine interface-PC 335, and this MTX acr panel services 340 obtains data from installation directory 325 and SCP 330.MTX acr panel services 340 supplies data to archives catalog 345 and supplies data to XML catalogue 350.Data are sent to visualization function 355 from XML catalogue 350, and data are sent to the database 70(remote state monitoring system of general database server 80), wherein the data of database 70 can be used for visualization function 360 equally.General database server 85 provides Long-distance Control to monitor the function of 365 at this.
In other words, the system described in Fig. 3 works as follows:
MTX acr kernel service by application person's configuration indicates all events that are configured with precise time stamp (Time-Stamp) and these events is kept in daily record.In addition, also and can go out send from NC data are write daily record from SPS there.These data are then stored in, and " installing (Mount) " goes up and is also processed further by MTX acr panel services at that.In this case, these data by its from different subsystem (NC server, SPS program, NC program ...) time sequencing be classified and enrich with text.In addition, graphics process (style (Style)) is also carried out for the display after a while within user interface or in RCM system alternatively in this position.
(maschinennahe) long record of the Machine oriented of process-state data and machine state data is achieved by (such as according to Fig. 2's or 3) according to the present invention equipment.Due to attainable long record, data can be used for the reason of the problem on accurately analytic engine to use, and optimize and for making process flow optimization for making product (parts of such as lathe).The change of the determination of the characteristic quantity in method of testing can be set up relatively with these events, and derives the action in other future thus.In the simplest situations, be such as in order to avoid the maloperation on machine or when causing the programming of colliding.
Additionally, the pretreatment unit of data can be comprised.Concept " pretreatment unit " is selected, because can be implemented in GDS and MES(MES=manufacturing execution system (Manufacturing Execution System) by pre-service) between communication optimization and realize lightening the load of MES thus.But the real process of the data in the meaning of control stand or process controller such as utilizes MES to realize in addition.
The configuration of processing procedure can comprise the steps:
A) the definition process moment (beginning of method of testing)
First beginning event is defined.Process can be started every the time interval determined or in the limited moment according to this with starting event loop.In addition, can define and want start up process under what circumstances, such as:
-when event repeatedly;
-when being asked by user;
-when being started by superior system;
-when measurement point adopts value (switching of the such as method of operation) determined;
-when storer (such as log memory 260) occupied until determine amount (such as storer is by data stuffing to 90%) time.
B) data structure of measurement data to be processed is defined:
In this case, measurement data can be organized into groups.Can specify: analysis result (database, file system) will be preserved in the where in GDS 85, and which address is the notice about existing result of calculation maybe will be sent to by the notice that whether will send about existing result of calculation.Equally, memory size (n data byte such as in circular buffer) can be limited.In addition, can limit and whether will jointly store reference to the data basis for calculating with handled data.Such as can come from where with reference to the input data for calculating and how these data associate with result.In addition there is following information: how many input values have been used to calculate, and these input values come from which time period and these input values are also stored in data-carrier store or are left out.In addition can limit, in measurement point browser, whether combine data structure for handled measured value and how in conjunction with this data structure.
C) definition process: (terminal applies person has nothing to do therewith, automatically runs; Follow-up thing is configured by RCM surface in advance; But corresponding (having corresponding authority) user can reshuffle it at any time)
Can such as by selecting mode and the method for suitable algorithm definition data processing at third step, such as calculating mean value, for calculated minimum or maximal value or for performing Fourier transform.Be connected to the input of the determination of the automated system parts on GDS and/or export and can link with algorithm targetedly, making the different operating parameter for automation component adopt different algorithms.It is also possible that such as in the input value of data type and data volume, such as minimal amount, make correct circuit connect (Verschaltung) in the scope of process effective.
By this way by one of interface or provide inking device in the equipment of being integrated into by long term data storage, for configuration data analytic unit in the analysis that will perform and for configuring this equipment in the mode of the further process in the result to data analysis and method.
Fig. 4 is shown as the process flow diagram for providing the information of the wearing and tearing of the parts about machine or the embodiments of the invention about the method 400 of the information of the quality of the product that will be manufactured by this machine.The method 400 has the step providing 410 algorithms in the storer of machine, and wherein this algorithm is configured to provide the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine according to the running parameter of machine.In addition, the method 400 have replace algorithm by the interface 420 of this machine and by this replacement algorithm in memory to the step that algorithm is replaced, wherein this replacement algorithm is configured to provide the information of the information of the wearing and tearing of the parts about this machine or the quality about the product that will be manufactured by this machine during machine operation according to the running parameter of this machine.The method 400 also has the step of multiple running parameters of this machine of acquisition 430.The method 400 comprises the step determined 440 and export about the information of the wearing and tearing of the parts of this machine or the information about the quality of the product that will be manufactured by this machine in addition, wherein determines that 440 carry out when using replacement algorithm and the running parameter obtained.
Information about the wearing and tearing of this machine can be in the time period subsequently at this or change the warning of associated components in the moment subsequently.Such as when the tolerance of the product utilizing this machine to manufacture leaves predetermined margin tolerance, the information about the quality of the product that will be manufactured by this machine can relate to the warning lower than quality level.
Fig. 5 finally show the process flow diagram of the another embodiment of the present invention as the method 500 for providing the replacement algorithm being arranged for the algorithm replaced in machine.Method 500 has the step of the running parameter by interface more than 510 machine.In addition, the method 500 also has the step of the running parameter of multiple machine described in analysis 520, to use the understanding of the mutual relationship of the wearing and tearing of the parts to received running parameter and this machine or to create replacement algorithm to received running parameter and the understanding of the mutual relationship of the quality of the product that will be manufactured by this machine, this replacement algorithm is being configured to supply the information of the information of the wearing and tearing of the parts about this machine as output quantity or the quality about the product that will be manufactured by this machine according to the workload as input quantity.Finally, the method 500 comprises will replace algorithm transmission 530 to the unit of this machine, can replace algorithm by replacing algorithm in this machine, the algorithm wherein will replaced is configured to equally to supply the information of the information of the wearing and tearing of the parts about this machine as output quantity or the quality about the product that will be manufactured by this machine according to the workload as input quantity.
Information about the wearing and tearing of this machine can be again in the time period subsequently at this or change the warning of associated components in the moment subsequently.Such as when the tolerance of the product utilizing this machine to manufacture leaves predetermined margin tolerance, the information about the quality of the product that will be manufactured by this machine can relate to the warning lower than quality level equally.
Can generally, to become better and better and the requirement of the analytical approach of reliably working has given motivation for method described here.These requirements can be met by the general integrated of these methods, wherein towards parts the detection to collision (i.e. accident) and critical event and possibility is become to the consideration of workmanship.The present invention especially can be employed in the field of MES system, particularly in the field of remote condition monitoring.Current known method has following shortcoming at this: above shown in feature, as towards parts the detection to collision and critical event and can not be utilized there the consideration of workmanship, and therefore simply show the low utilization of the possible efficiency to system so far.Thus, the general integrated of method will realize in the field of Long-distance Control monitoring, general integratedly optimally achieves the analytical approach coordinated mutually with corresponding task by this.In addition, the simplification that can perform new/optimised analytical approach is simply integrated, and there is certain opening of system.Additionally, the detection of the parts one by one of the consideration had key property amount is achieved.Also New Integrated Method can be carried out by the general integrated of method via simple interface, and one by one parts detection can in control device side in order to continuously detect comprise collision critical event and be implemented, wherein event or counter cycle may be submitted to GDS.The general expansion of integrated method in MES system of method, namely integrated for the manufacture of planning, production control, manufacture monitoring, maintenance ... any particular algorithms) may be implemented as additional improvement measure of the present invention in addition.Within control device (namely in the server and not by such as surface of the prior art) also can detect event.
Reference numerals list
10 data processing units (process the remote state monitoring system of the data of multiple machine
The parts of 20 machines
30,31,32,33 opertaing devices, actuator or sensor (" intelligence " ingredient of machine)
35 lathes
The interface of 40 opertaing devices or sensor/actuator
50 for encapsulating the functional interface of algorithm implementation unit
The interface of 60 databases
70 databases
80 algorithm implementation unit
The interface of 90 webservers
100 webservers
110 networking clients
120 for description surface feature, for be described within database for the form needed for analytical approach, for describing from machine) defined file of the structure of the measurement data file of (such as Dll form) replacement algorithm
130 measurement data files
200 real-time systems
210 data processing units (non real-time)
215 NC programs
220 SPS programs
225 MTX acr(discharge counters, for recording events, especially record the critical event such as when the fixture of main shaft was not also opened all the time after 0.5 second, or record such as will owing to the collision of maloperation)
230 NC servers
235 pieces of preparation devices
Interpolator in 240
250 toroidal memories
255 events, accident
260 log memorys
265 additional datas (shaft position such as during collision process)
270 for unit that is visual and configuration MTX acr
275 configuration files
280 users
The 300 NC control device MTX(jointly formed have the NC core of the recording section of discharge counter MTX acr)
310 MTX acr kernel services
320 NC cores (real-time partial)
325 325 installation directories (catalogue on outer computer)
330 SCP(be used for opertaing device (NC, SPS, motion, RC ...) real-time partial and non-real time portions between carry out the interface of exchanges data)
340 MTX acr panel services
345 archives catalogs
350 XML catalogues
355 is visual
360 visual (network visualizations)
365 remote condition monitorings (system as shown in Figure 1)
400 for providing the method for the information of the wearing and tearing of the parts about machine
410 steps provided
420 steps received
430 steps obtained
440 steps determined
500 for providing the method for replacement algorithm
510 steps received
520 steps analyzed
The step of 530 transmission

Claims (8)

1. one kind for providing the method (400) of the information of the wearing and tearing of the parts (20) about machine (35) or the information about the quality of the product that will be manufactured by machine (10,35), and wherein said method (400) has following steps:
-in the storer (80) of machine (10), providing (410) algorithm, wherein said algorithm is configured to provide the information of the wearing and tearing of the parts (20) about machine (35) according to the running parameter of machine (10,35);
-by machine (10,35) interface (420) is replaced algorithm (120) and is replaced algorithm in storer (80) by replacing algorithm (120), wherein replacing algorithm (120) is configured to so that at machine (10,35) duration of work is according to machine (10,35) running parameter provides the information of the wearing and tearing of the parts (20) about machine (10,35);
Multiple running parameters of-acquisition (430) machine (10,35); And
-determine (440) and export about machine (10,30,35) information of the wearing and tearing of parts (20) or about by machine (10,30,35) information of the quality of the product that will manufacture, wherein determine (440) when use replace algorithm (120) and obtain running parameter carry out;
Wherein, can realize about machine (10 at the algorithm providing the step of (410) to provide when using first of running parameter the set, 30,35) information of the wearing and tearing of parts (20), and wherein can realize about machine (10 at the replacement algorithm (120) that the step receiving (420) receives when using second of running parameter the set, 30,35) information of the wearing and tearing of parts (20), wherein the first set of running parameter is different with the second set;
Wherein, in the step receiving (420) replacement algorithm (120) and replace algorithm in storer (80), the data memory structure changing the storage of the running parameter for machine and/or the output changed in the result for the replacement algorithm on the display device of operator; And
Wherein, replace in reception the replacement algorithm received in the step of algorithm and be configured to extract and storage characteristics data from obtained running parameter, wherein said performance data can realize the classification of working as the event that described machine operationally occurs.
2. method according to claim 1 (400), is characterized in that, obtains the step of (430) and is implemented as and makes multiple running parameter from the multiple stored of machine (10,30,35) or selected in current detected running parameter.
3. one kind for providing the method (500) of replacing algorithm (120), and described replacement algorithm (120) is arranged for the algorithm replaced in machine (10,30,35), and wherein said method (500) has following steps:
-by the running parameter (130) of interface (510) multiple machine;
The running parameter (130) of-analysis (520) described multiple machine, so that in use to received running parameter (130) and machine (10, 30, 35) understanding of the mutual relationship of the wearing and tearing of parts (20) or to received running parameter (130) with by machine (10, 30, 35) situation of the understanding of the mutual relationship of the quality of the product that will manufacture is got off and is created replacement algorithm (120), described replacement algorithm (120) be configured in case supply according to the workload (130) as input quantity as output quantity about machine (10, 30, 35) information of the wearing and tearing of parts (20) or about by machine (10, 30, 35) information of the quality of the product that will manufacture, and
-algorithm (120) transmission (530) will be replaced to machine (10,30) unit (80), so that at machine (10,30) can replace algorithm by replacing algorithm in, the algorithm wherein will replaced be configured to equally in case supply according to the workload (40) as input quantity as output quantity about machine (10,30) information of the information of the wearing and tearing of parts (20) or the quality about the product that will be manufactured by machine (10,30,35);
Wherein, can realize about machine (10 at the algorithm providing the step of (410) to provide when using first of running parameter the set, 30,35) information of the wearing and tearing of parts (20), and wherein can realize about machine (10 at the replacement algorithm (120) that the step receiving (420) receives when using second of running parameter the set, 30,35) information of the wearing and tearing of parts (20), wherein the first set of running parameter is different with the second set;
Wherein, in the step receiving (420) replacement algorithm (120) and replace algorithm in storer (80), the data memory structure changing the storage of the running parameter for machine and/or the output changed in the result for the replacement algorithm on the display device of operator; And
Wherein, replace in reception the replacement algorithm received in the step of algorithm and be configured to extract and storage characteristics data from obtained running parameter, wherein said performance data can realize the classification of working as the event that described machine operationally occurs.
4. method according to claim 3 (500), is characterized in that, is analyzing the step of (520), creates replacement algorithm (120) with the form of dynamic base or with machine code.
5. the method (500) according to claim 3 or 4, it is characterized in that, analyzing the step of (520), running parameter received by employing and machine (10,30) knowledge of the mutual relationship of the wearing and tearing of parts (20) or received running parameter with by machine (10,30) knowledge of the mutual relationship of the quality of the product that will manufacture, described knowledge was once disabled when creating the algorithm that will replace.
6. the method (500) according to claim 3 or 4, it is characterized in that, receiving the step of (510), receiving the running parameter (255) of machine, described running parameter (255) on the time period of at least one month, especially detected on the time period of at least half a year.
7. the method (500) according to claim 3 or 4, is characterized in that, is analyzing the step of (520), is analyzing the running parameter being configured to the machine of the production of different product type.
8. an opertaing device (10), it is configured to the step performing or control according to one of the method (400,500) described in claim 1 to 7.
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