EP2188680A1 - System und verfahren zur erzeugung eines verhaltensmodells zur simulation eines automatisierungssystems - Google Patents
System und verfahren zur erzeugung eines verhaltensmodells zur simulation eines automatisierungssystemsInfo
- Publication number
- EP2188680A1 EP2188680A1 EP07801934A EP07801934A EP2188680A1 EP 2188680 A1 EP2188680 A1 EP 2188680A1 EP 07801934 A EP07801934 A EP 07801934A EP 07801934 A EP07801934 A EP 07801934A EP 2188680 A1 EP2188680 A1 EP 2188680A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- automation system
- area
- workpieces
- cad drawing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 230000003993 interaction Effects 0.000 claims abstract description 42
- 238000004088 simulation Methods 0.000 claims abstract description 33
- 230000003542 behavioural effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 10
- 230000001953 sensory effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 3
- 230000006399 behavior Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41885—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by modeling, simulation of the manufacturing system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23454—Execute program in fast mode, real system has no time to respond
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32351—Visual, graphical animation of process
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the invention relates to a system and a method for generating a behavioral model for simulating an automation system.
- a system is used in particular in the planning and configuration of systems for manufacturing and / or process automation.
- control software required to control the components of these systems also has considerable complexity. For a smooth commissioning of an automation system, it is therefore desirable that the control software can be tested before commissioning an automation system. For this purpose, simulations of the automation system are being carried out in advance.
- Such simulations can already be carried out if the components of the automation system implemented in hardware do not yet exist.
- a computer is used to simulate the behavior of the system components.
- the aim of this simulation is to assign the control program to be simulated with sensible input signals, which are generated as a function of the output signals generated by the control program.
- a programmable logic controller For a programmable logic controller (PLC) generally used in automation systems, the environment is only visible in the form of input signals that are answered in response to the implemented control code with corresponding output signals.
- the control program receives its input values from sensors and supplies the output signals to actuators of the automation system. In a simulation, this behavior of the sensor Ren and actuators are modeled by a suitable behavioral model.
- the invention is therefore based on the object of making it easier for a user to create a behavioral model suitable for the simulation of an automation system, with the aim of achieving the highest possible accuracy of the simulation results achievable with the behavioral model.
- This object is achieved by a system for generating a behavioral model for simulating an automation system
- a CAD application for creating a CAD drawing of the automation system, first means for defining an interaction area for at least one component of the automation system based on the CAD drawing, wherein the interaction area determines the geometric limits, within which the associated component is sensory or actuators effective, second means for defining at least one workpiece source area in the CAD drawing, within which a generation of new workpieces to be machined by the automation system is to be simulated, third means for defining the dimensions of the new workpieces,
- the object is achieved by a method for generating a behavioral model for simulating an automation system with the following method steps:
- interaction area for at least one component of the automation system on the basis of the CAD drawing, whereby the interaction area defines the geometric limits within which the associated component is sensory or actoric, defining at least one workpiece source area in the CAD drawing, within which a new one arises from the automation system machining workpieces should be simulated,
- Definition of the dimensions of the new workpieces definition of at least one workpiece sink area in the CAD drawing within which a removal of the workpieces is to be simulated,
- the system according to the invention makes it possible, in contrast to systems known from the prior art for the generation of behavioral models, not only to make sensor signals dependent to generate predefined time intervals, but rather to take account of events attributable, for example, to the material flow in the automation system as the cause of a sensor signal.
- the invention achieves the highest possible data consistency, since the CAD data generated during the design of the automation system are also used for the creation of the behavioral model.
- the interaction area in which a component of the automation system is sensory or actuatory is defined directly in a CAD drawing of the automation system.
- the interaction area specifies the geometric limits within which the actor can act.
- the interaction area thus describes the geometric dimensions in which the actuator can, for example, access a workpiece in order to change its position or orientation or to modify the shape of the workpiece by means of assembly processes or material-processing processes.
- the interaction area describes the volume detected by the sensor. As soon as a workpiece enters this said interaction area, the sensor can generate a corresponding input signal for the control program to be tested.
- the interaction area can be defined directly in the CAD drawing of the automation system. This is very advantageous since the CAD drawing describes the dimensions of the automation system and therefore provides a suitable basis for defining such limits.
- the material flow within the plant is simulated by the fact that workpiece sources can be defined, which simulate the production of new workpieces, and workpiece sinks, at which the newly created workpieces can finally be removed from the automation system again.
- the system also provides the user with the option of defining the dimensions of the workpieces generated by the workpiece sources. For behavioral simulation, these dimensions must be known, since it can be determined on the basis of the dimensions and the geometric dimensions of the interaction area whether or when a workpiece is located in the interaction area of a sensor or actuator.
- a program code associated with the sensor or actuator is started, which simulates the corresponding functionality of the component.
- input and output signals can be emulated event-controlled within the behavioral simulation.
- Complex automation systems can therefore be simulated much more easily and also more accurately with such a system than is possible with conventional behavior simulations in which sensor and actuator signals are simulated only time-dependent.
- a high consistency between the CAD data used in the planning and the data used for the simulation is achieved in an advantageous embodiment of the invention in that the third means for extracting the dimensions from further CAD drawing of the workpieces, in particular defined in the other CAD drawings Hüllboxen the workpieces are formed.
- the third means for automatic definition of the dimensions of the new workpieces are formed as a function of dimensions of the workpiece source area defined in the CAD drawing of the automation system.
- the dimensions of the new workpieces that are generated by a workpiece source are automatically defined by the user setting the geometrical dimensions of the workpiece source area within the CAD drawing of the automation system.
- the dimensions can correspond exactly to the user-defined dimensions of said workpiece source area.
- the system has sixth means for simulating an actuator which changes the shape of a workpiece by a combination of a workpiece sink area and a workpiece source area.
- an actuator which performs a cutting process on a workpiece can be reproduced by first removing a blank into a workpiece sink area and finally producing the result of the machining process in a workpiece source area following the depression area.
- the system has a library for storing submodels of the automation system, which each simulate the interaction of some of the components of the automation system, wherein the system has seventh means for creating the behavioral model by interconnecting the submodels.
- the system has seventh means for creating the behavioral model by interconnecting the submodels.
- the interfaces of these individual submodels are in turn formed by workpiece sinks or workpiece sources.
- the seventh means for interconnecting the submodels are configured via interfaces designed as a workpiece source or as a workpiece sink.
- system comprises eighth means for assigning each resource object to components of the automation system and to workpieces to be processed by the automation system, wherein each resource object has an associated component or component
- the associated workpiece can be assigned as an actuator, sensor or workpiece characterizing parameter.
- the system has ninth means for assigning a parameter to each resource object associated with a workpiece, the parameter identifying a workpiece source and / or a workpiece sink for said workpiece.
- the system has ninth means for assigning a parameter to each resource object associated with a workpiece, the parameter identifying a workpiece source and / or a workpiece sink for said workpiece.
- the system has tenth means for assigning a parameter to each of a workpiece source and each workpiece sink associated resource object, the parameter the respective workpiece sources or workpiece sinks each at least one workpiece assigns.
- the system is designed as an engineering system. Such an engineering system makes it possible to use the CAD data generated in an early planning phase also during the simulation of the planned automation system and thus to enable the highest possible data consistency in the planning phase.
- the figure shows a CAD drawing 1 of an automation system, which is imported into an engineering system to generate a behavioral model for a simulation of the automation system. Since it is only intended to explain the principle of the application at this point, a very simple automation system is shown here, which merely consists of a conveyor belt 8, on which workpieces 5 are transported, which are detected by a sensor 6 and by an actuator 7 are processed in any way. The geometry of the conveyor belt 8, the sensor 6 and the actuator 7 has already been defined in advance in a CAD application. Subsequently, the CAD data was imported into an engineering system.
- interaction areas 2, 3, 4 for the sensors 6 and actuators 7 of the automation system can now be defined. This results in a first interaction area 3, which determines the effective range of the conveyor belt 8. It describes the geometric limits in which the conveyor belt 8 driven by a motor, not shown here, effects a translatory movement of workpieces 5 which are located in the effective area 3.
- the workpieces 5 are produced in a workpiece source area likewise not shown here.
- the user also places this workpiece source area within the Engineering system imported CAD drawing 1. If a model of a workpiece 5 is now located in the effective region 3 of the conveyor belt 8, its movement from left to right is simulated with the speed of the conveyor belt 8.
- a detection range 2 of the sensor 6 is defined. This detection area 2 in turn determines the geometric limits within which the sensor 6 can detect the presence of workpieces 5. As soon as the workpiece 5 enters this detection area 2, the sensor 6 will emit a binary signal to a controller of the automation system. The transmission of this signal is thus initiated event-controlled.
- a computer program code which simulates the behavior of the sensor 6 is started in the behavior simulation when an overlap of the geometrical dimensions of the workpiece 5 and the detection area 2 is detected.
- the workpiece Upon further transport of the workpiece 5 on the conveyor belt 8, the workpiece finally enters the effective area 4 of the actuator 7.
- This also defined in the imported CAD drawing 1 interaction area determines the geometric limits of the volume within which the actuator 7 can act on the workpiece 5 .
- the computer program code simulating the behavior of the actuator 7 is executed event-controlled when a complete or partial overlap of the dimensions of the workpiece 5 with the effective range 4 of the actuator 7 is detected.
- a behavioral model for a simulation system is thus created with which the behavior of the automation system or of the control program that controls the automation system is simulated. This creation occurs automatically without the user having to intervene.
- the simulation system uses the geometric information from CAD drawing 1 to read in the interaction areas 2,3,4.
- the simulation brings new workpieces 5 in the system.
- the simulation automatically checks, based on the position of the workpiece 5, which interaction areas 2, 3, 4 are active and applies the actions defined in the form of a corresponding computer program code to the workpiece 5 or to the process image.
- Such a simulation can not only change the position of the workpiece 5 as shown in the figure, but also modify internal states of the workpiece 5 such as weight, serial number, and the like. These internal states can in turn be read out by sensors.
- the effective range 4 of the actuator 7 and physical laws can be simulated, which are the interaction of the actuator 7 with the workpiece 5 basis.
- physical parameters such as inertia, torques, slip and accelerations or collisions with their impacts and movement restrictions for the workpieces 5 can be taken into account.
- the physical variables required for this consideration can also be taken from the CAD drawing 1 of the automation system or the drive control, without the user having to carry out a complicated configuration for this purpose.
- the effect of gravity within the simulation can be taken into account by defining an effective field encompassing the complete system, which imposes the force of gravity on the workpieces present in this active field.
- the invention makes it possible to combine a control program with a system and material flow simulation. This makes it possible to verify the control sequence and the completeness of the sensors and actuators.
- a very realistic behavioral model can be generated. This behavioral model goes beyond a simple motion simulation. In this way extreme simulations can also be simulated. such as a jam of workpieces in front of a processing station, a system behavior in case of failure or a failure of the sensors or actuators.
- An elaborate modeling of the behavior in the form of algorithms can be dispensed with here. Rather, the plant designer can stay in his usual CAD-dominated environment and generate realistic behavioral models there.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2007/007511 WO2009030242A1 (de) | 2007-08-28 | 2007-08-28 | System und verfahren zur erzeugung eines verhaltensmodells zur simulation eines automatisierungssystems |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2188680A1 true EP2188680A1 (de) | 2010-05-26 |
Family
ID=39345561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07801934A Ceased EP2188680A1 (de) | 2007-08-28 | 2007-08-28 | System und verfahren zur erzeugung eines verhaltensmodells zur simulation eines automatisierungssystems |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2188680A1 (de) |
WO (1) | WO2009030242A1 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6470301B1 (en) * | 1999-10-08 | 2002-10-22 | Dassault Systemes | Optimization tool for assembly workcell layout |
WO2002101596A2 (de) | 2001-06-13 | 2002-12-19 | Robert Bosch Gmbh | Verfahren und system zur unterstützung der projektierung von fertigungsanlagen |
DE102004019432A1 (de) | 2004-04-19 | 2005-11-03 | Siemens Ag | Verfahren und System zur virtuellen Inbetriebsetzung einer technischen Anlage mit bevorzugter Verwendung |
-
2007
- 2007-08-28 EP EP07801934A patent/EP2188680A1/de not_active Ceased
- 2007-08-28 WO PCT/EP2007/007511 patent/WO2009030242A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009030242A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009030242A1 (de) | 2009-03-12 |
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