WO2009135510A1 - Dispositif et procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation - Google Patents

Dispositif et procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation Download PDF

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Publication number
WO2009135510A1
WO2009135510A1 PCT/EP2008/003717 EP2008003717W WO2009135510A1 WO 2009135510 A1 WO2009135510 A1 WO 2009135510A1 EP 2008003717 W EP2008003717 W EP 2008003717W WO 2009135510 A1 WO2009135510 A1 WO 2009135510A1
Authority
WO
WIPO (PCT)
Prior art keywords
instruction
identification
work
order
technical object
Prior art date
Application number
PCT/EP2008/003717
Other languages
German (de)
English (en)
Inventor
Thilo Stolper
Wolfgang Wohlgemuth
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2008/003717 priority Critical patent/WO2009135510A1/fr
Publication of WO2009135510A1 publication Critical patent/WO2009135510A1/fr

Links

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]
    • G05B19/41805—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 assembly
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/003—Repetitive work cycles; Sequence of movements
    • 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
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31046—Aid for assembly, show display on screen next workpiece, task, position to be assembled, executed
    • 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 device and a method for the computer-aided creation and output of a handling instruction for a work process that is to be performed by a user on a technical object.
  • the invention is used for example in manufacturing, assembly and maintenance tasks. Instructions for action, which are also referred to as taskflows, are hereby made available, for example, to a service technician in order to guide him step by step in his work and thus achieve a predefined goal in his work.
  • Such a context-sensitive provision of information in the form of taskflows is known, for example, from DE 10 2004 030 533 A1.
  • a user of a technical system for example, automatically be provided with the product information relevant to him in relation to his current work situation by automatically searching for object terms relating to the current user situation in a structured information model.
  • the object concepts which are linked with each other via relations, have references with which the information relevant in the current working context of the user can be addressed and made available to him.
  • Such dynamic, context-sensitive generation of an action instruction is especially advantageous if the subject of the work to be carried out is very large and complex. For vehicles, manufacturing equipment and complex machines it is difficult to complete monolithic To provide guidance for all possible applications statically.
  • the invention is based on the object of providing an instruction instruction for a user when carrying out a work process that is adapted as well as possible to the current framework conditions that exist during the execution of the work process.
  • This object is achieved by a method for computer-aided creation and output of a handling instruction for a user's work on a technical object in which at least one identification feature characterizing the work process is detected in at least one work step necessary for carrying out the work a first order of identification features stored in a memory is evaluated for identification of the detected identification feature of the work step, design data of the technical object are evaluated, the evaluation taking place with regard to a barrier-free execution of the handling instruction.
  • a device for the computer-aided creation and output of a handling instruction for a user's work on a technical object comprising: detecting means for detecting at least one identification feature characterizing the work process in at least one work step for the user Execution of the operation, a storage means for storing a first sequence of identification features, an identification means for identifying the operation, further storage means for design data of the technical object, an evaluation means for evaluation in terms of a barrier-free processing of the handling instruction.
  • Identification is the verification of an object in relation to presented, uniquely identifying features which form the identity. This identity, for example of people, can be checked by means of unique characteristics that correspond to those of a passport. For this purpose, chip cards, magnetic cards, smart cards, RFID technology and biometric methods are used.
  • RFID Radio Frequency Identifica- tion
  • RFID is a method for automatic identification of objects and living beings.
  • RFID also stands for the automatic capture and storage of data.
  • an RFID system always consists of a transponder, for example a microchip with antenna in a carrier or housing, which identifies the object and a reader for reading out the transponder identification.
  • a transponder for example a microchip with antenna in a carrier or housing
  • an RFID middleware with interfaces to other EDP systems and databases is required for data exchange.
  • Passive transponders obtain the necessary energy from the electromagnetic field of the reader (short range) for their function, while active transponders draw their energy from a battery, thus enabling a considerably longer range when exchanging data with a reader.
  • RFID technology enables non-contact read and write operations.
  • the invention is based on the recognition that instructions for action are automatically generated on the basis of object identifications, sequences in the handling of objects and existing design data, such as CAD plans can.
  • the objects to be considered are different tools, such as joining tools and different components, which belong to a technical object as a whole.
  • the sequence of manipulations or operations that are performed on the components and structural restrictions of the technical object are taken into account. It is also taken into account that at least two different joining operations are possible with the tool tools, for example a joining tool. In addition, it can be taken into account whether a component can already be manipulated or if, for example, it still has to be secured. According to the method, an action statement is generated which provides the "correct" operations in the order to be performed.
  • the procedure uses instructions, animations, hints and links to further information for all tool operations and components.
  • a movement sequence for tool operations can also be taken over from CAD information.
  • a first identification feature is detected by a tool used. Based on this, a second identification feature is preferably detected based on a component being manipulated or to be manipulated.
  • Steps of manipulation of the technical object by the user corresponds detected.
  • the order of handling of the tools and the manipulation of components can be detected according to the method, whether, for example, a disassembly or assembly is present.
  • animation data of the tool are evaluated for collision detection.
  • the structural restrictions tions of the technical object and the motion sequences for the tools can be evaluated by means of CAD plans. If, for example, a component is to be removed from a location which is difficult to access, the handling instruction is set up according to the method in such a way that disruptive components lying in the assembly path or in an access path for a tool must first be removed.
  • the processed work steps are logged and, in the case of deviations of the first order from the second order occurring during the output of the action statement, an instruction fragment which is no longer permissible under the changed order and completely processed is deleted or by at least one new one Instruction fragment replaces or a new statement fragment inserted into the still to be processed part of the instruction and the output continues with the work still to be processed.
  • a user is preferably to use a data glove as a detection means.
  • the identification features are read out of RFID elements.
  • RFID elements can be advantageously attached to the components and the tools without disturbing influences. A mere pass by with the data glove on the components or in the hand taking a tool immediately registers the use of the tool or the manipulation of a component.
  • an assembly or disassembly operation of an assembly associated with the technical object is preferably carried out by means of the detection system. recorded and stored as an order.
  • Real approaches by experienced skilled workers are used as a basis for reference actions. This gives you instructions for reference which can be carried out on the real plant and which reflect an ideal procedure.
  • the detection means are designed for detecting a first identification feature of a tool in an advantageous embodiment.
  • the detection means are designed to detect a second identification feature from a manipulated or manipulated component.
  • a detection means can represent a data glove or else a measuring cross section spanned by a plurality of, for example, RFID elements, through which the components are carried out.
  • a further advantageous embodiment of the device comprises recording means for recording the identification features of a second order corresponding to the manipulation of the technical object by the user.
  • Such sequences may, for example, represent the referenced reference instructions or represent a log of the work currently progressing.
  • the device will be configured with means for collision detection on the basis of animation data of the tool.
  • These means may, for example, one or more memory modules with implemented instructions and analysis functions for the evaluation of predeterminable possible ways in which the tool or a component can be guided barrier-free by an arrangement of several components or units in or on the technical system.
  • a system for automatically generating and outputting action instructions which is formed by means of the apparatus, comprises a logging means for logging the processed work steps, a means for detecting a deviation in the first order deviations occurring during the output of the action statement a means for deleting a statement fragment no longer permitted under the changed order and not yet completely processed, a means for replacing this statement part which is no longer permissible and not yet completely processed by a new statement fragment during the output of the statement Steps, a means for inserting a new statement fragment into the part of the action statement still to be processed, and a means for continuing the output with the work steps still to be processed.
  • the embodiment of the invention makes it possible to modify a once generated handling instruction during its execution on the basis of changed sequences or boundary conditions, without subsequently carrying out a complete restart of the instruction instruction output.
  • the device is connected to a detection means, which is designed as a data glove.
  • This connection can be a wired connection or a radio connection.
  • the individual instruction fragments are stored in a memory and can be dynamically combined to form the instruction in accordance with the target specification, so that the instruction includes the complete sequential list of the work steps necessary for carrying out the operation.
  • at least one framework condition is included, which is taken into account when selecting the individual statement fragments.
  • Such a framework condition may be, for example, in a repair that take to hand a particular tool, which is detected via an RFID element.
  • Taskflows or the action statement are output sequentially for the user.
  • the work steps then performed by the user and / or the completely processed instruction fragments are logged, so that it is known at any time during the output of the working steps at which point the user is located within the handling instruction and which activities he has already performed.
  • the framework condition represents a spare parts list and the stock of spare parts changes during the execution of the assembly work
  • the at least one framework condition can define a process value or environmental parameter of an automated industrial process.
  • a constraint could also define a minimum qualification of the user.
  • several such frameworks may be taken into account in the selection and compilation of instruction fragments, which will generally be the case.
  • it may be u.U. expedient, when generating a task flow for a maintenance work on an automated process plant, to take into account both certain process values, such as pressures and temperatures, as well as environmental parameters, such as the ambient temperature of the plant and also the qualification of the user.
  • process values such as pressures and temperatures
  • environmental parameters such as the ambient temperature of the plant and also the qualification of the user.
  • an instruction manual for a fitter would have to be designed differently than for a designer who designed the affected machine himself.
  • a check of validity of the part of the action statement still to be processed during its processing can be carried out in such a way that, during the output of the work steps of a first statement fragment, the fulfillment of the minimum criterion of a second statement fragment immediately following the first statement fragment is checked.
  • Replacing a statement fragment at runtime due to a changed frame condition may also affect other instruction fragments of the instruction which are in some way associated with the replaced statement fragment.
  • statement fragments in a prescribed predecessor or successor condition may be linked to the now-defunct statement fragment.
  • meta-information could include predecessor conditions which characterize the respective sequence fragments optionally or compellingly preceding, in particular immediately preceding, statement fragments and which are checked when changing the action instruction.
  • the target of the operation is stored as a further meta-information to the instruction.
  • a first software component and a second software component to output the action instruction could be used.
  • the first software component can then be referred to as a taskflow generator, since its primary task is the creation of the instruction by situational stringing together the appropriate instruction fragments.
  • the second software component can be called a taskflow engine. It sequentially outputs the individual work steps of the previously generated task flow to the user.
  • the two software components Taskflow Generator and Taskflow Engine can each be installed on a separate data processing unit to ensure the maintainability of the To facilitate software.
  • the two data processing units are then communicatively connected with each other.
  • instruction fragments can additionally be selected by evaluating an information model implemented in the form of an ontology, which contains information about the structure of the technical object.
  • an embodiment of the invention is particularly advantageous in which the technical object is an automation system.
  • an advantageous embodiment of the invention is that the technical object is a vehicle.
  • 1 shows a system for the automatic generation of action instructions.
  • the user 1 carries, for example, on his right hand a detection means 4.
  • the detection means 4 is designed as a data glove, which can read RFID elements.
  • the data glove is connected to the device 20 via a line of action shown in dashed lines. This line of action may be configured as a wired connection or as a radio connection with the device 20.
  • the user 1 is replaced by an experienced worker and the worker will perform an assembly or disassembly of an assembly exactly and in all its details.
  • first component 2A and a second component 2B there are a first component 2A and a second component 2B.
  • the components 2A, 2B each carry an RFID element R1, R2 assigned unique identification feature 2a, 2b.
  • the tool group 3 available for the user 1, there are in each case a first tool 3A, a second tool 3B and a third tool 3C.
  • the tools 3A, 3B and 3C each carry RFID elements R3, R4 and R5, further unique identification features 3a, 3b and 3c.
  • the RFID element R3 is read out via the data glove and the identification feature 3a indicates to the system of the device that the tool 3A has been taken as the first working step , This is followed by further steps and handles, in which each of the information features of the components or tools read and the recording means 11 as a first order of information features in the storage means 8 are stored.
  • the sequence stored via the recording means 11 and in the storage means 8 is fed via an identification means 9 to an evaluation means 10 having a combined means 12 for collision detection.
  • an evaluation means 10 having a combined means 12 for collision detection.
  • design data 5 from a further storage means 8a are used.
  • the geometric information from the design data 5 of the technical object and animation data of the tools are evaluated and the action statement 6 is generated via the generating means 15.
  • the device 20 After an operation is completed, the device 20 generates an action instruction 6 for deposit in a service system and stores it in an instruction storage 8b. In this case, the order of the handling of the tools 3 and the components 2 is evaluated continuously via the evaluation means 10. Since, for example, when dismantling a component, a joint connection first has to be separated before the component can be manipulated and the procedure is reversed accordingly during assembly, the device 20 recognizes whether it is being assembled or disassembled.
  • the corresponding work instructions can be generated by means of the generation means 15.
  • the device 20 also takes into account the structural restrictions of the technical object via the design data 5.
  • the device recognizes whether and when a component can be removed or whether further joints must be separated and other components must be removed. This also allows the instructions for the manipulation of other components to be incorporated in the instructions.
  • the device 20 checks after each reading of an information feature by the means 12 for collision detection, whether further joining elements or other components block the component to be removed or whether it is freely manageable.
  • a means 14 for detecting a deviation evaluates a possible difference between the first order of information features and the second order of identification features. If a statement fragment 7 of the action instruction 6 is to be replaced due to a changed order during runtime, this can be performed by a means 16 for deleting, a means 17 for replacement or a means 18 for inserting a new statement fragment 7 1 .
  • Continuation of the instruction can be issued a new instruction to the user 1.

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Abstract

L’invention concerne un dispositif (20) ainsi qu’un procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation (6) pour une opération de travail qui doit être réalisée par un utilisateur (1) sur un objet technique. Par un procédé au cours duquel au moins une caractéristique d’identification (2a, 2b, 3a, 3b, 3c) qui caractérise l’opération de travail est détectée dans au moins une étape de travail nécessaire pour l’exécution de l’opération de travail par le biais de moyens de détection (4), une première série de caractéristiques d’identification (2a, 2b, 3a, 3b, 3c) enregistrée dans une mémoire (8) est évaluée en vue d’identifier la caractéristique d’identification détectée de l’étape de travail et les données de construction (5) de l’objet technique sont analysées. Selon l’invention, l’analyse est réalisée dans le but de pouvoir appliquer l’instruction de manipulation sans entrave. Toujours selon l’invention, le procédé déclenche l’édition une instruction de manipulation pour un utilisateur lors de l’exécution d’une opération de travail, laquelle est la mieux adaptée possible aux conditions générales courantes qui existent pendant l’exécution de l’opération de travail.
PCT/EP2008/003717 2008-05-08 2008-05-08 Dispositif et procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation WO2009135510A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/003717 WO2009135510A1 (fr) 2008-05-08 2008-05-08 Dispositif et procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/003717 WO2009135510A1 (fr) 2008-05-08 2008-05-08 Dispositif et procédé de création assistée par ordinateur et d’édition d’une instruction de manipulation

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WO2009135510A1 true WO2009135510A1 (fr) 2009-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014116403A1 (fr) * 2013-01-22 2014-07-31 General Electric Company Plan d'inspection autoguidé

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014116403A1 (fr) * 2013-01-22 2014-07-31 General Electric Company Plan d'inspection autoguidé
CN104937615A (zh) * 2013-01-22 2015-09-23 通用电气公司 自定向检查计划
CN104937615B (zh) * 2013-01-22 2021-09-03 通用电气公司 自定向检查计划

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