WO2022248147A1 - Procédé et dispositif pour faire fonctionner un dispositif de commande - Google Patents

Procédé et dispositif pour faire fonctionner un dispositif de commande Download PDF

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Publication number
WO2022248147A1
WO2022248147A1 PCT/EP2022/061175 EP2022061175W WO2022248147A1 WO 2022248147 A1 WO2022248147 A1 WO 2022248147A1 EP 2022061175 W EP2022061175 W EP 2022061175W WO 2022248147 A1 WO2022248147 A1 WO 2022248147A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
control unit
connector
exemplary embodiments
coding
Prior art date
Application number
PCT/EP2022/061175
Other languages
German (de)
English (en)
Inventor
Frank Molwitz
Renjith THYAGARAJAN
Christian Strehle
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2022248147A1 publication Critical patent/WO2022248147A1/fr

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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
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G05B19/0425—Safety, monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors

Definitions

  • the disclosure relates to a method for operating a control device.
  • the disclosure also relates to a device for operating a control unit.
  • Exemplary embodiments relate to a method, for example a computer-implemented method, for operating a control unit, for example for a motor vehicle, comprising: outputting a first signal on at least one first connection of the control unit that can be connected to a connector, determining a second signal on at least a second one with the connector connectable connection of the control device, evaluating the second signal, for example based on the first signal.
  • this makes it possible to detect errors in the area of the connector and/or a coding, which can be implemented in the connector according to further exemplary embodiments.
  • a plug connector for a control unit for example for a motor vehicle, having a plurality of contact elements which can each be connected to at least a first connection and/or a second connection of the control unit, the plug connector having at least one connecting element for, for example optionally electrically conductive connection of at least has two contact elements of the plurality of contact elements.
  • an electrically conductive connection that can be produced in this way can be determined, for example, by evaluating the second signal.
  • the evaluation has at least one of the following elements: a) determining whether the second signal is constant over time and/or corresponds to a first reference potential, for example ground potential, b) determining whether the second signal is temporal is constant and/or corresponds to a second reference potential, for example a potential associated with an operating voltage for the control device.
  • a first reference potential for example ground potential
  • such a fault can be concluded if the second signal has a constant signal value, e.g. voltage value, instead of a correlation with the first signal, e.g. 0 volts in the case of short circuit to ground.
  • a constant signal value e.g. voltage value
  • the method includes: controlling an operation of the controller, for example selecting an operating mode for the controller, based on the evaluating.
  • an operation of the controller for example selecting an operating mode for the controller, based on the evaluating.
  • a predefinable operating mode for the control unit be taken, and/or in the case of a detected error, an emergency operation can be taken or an error reaction can be carried out.
  • the first signal has at least one of the following elements: a) constant signal which corresponds to a first reference potential, for example the ground potential, b) constant signal which corresponds to a second reference potential, for example one with an operating voltage for the potential associated with the control device corresponds to c) a signal that changes over time, for example a modulated signal, for example a pulse-width modulated signal.
  • case a) and/or b) it may be possible to conclude that there is an error
  • case c) it is possible to conclude, for example, that a definable coding is possible, e.g. if the second signal is sufficiently compatible with the first signal, which varies over time signal correlated.
  • the method includes: inferring a coding of the plug connector, e.g. based on the evaluation.
  • the method has: Recognizing a fault, for example in the area of the connector and/or a cable connected to the connector, e.g. based on the evaluation.
  • the method comprises: providing the connector, and, optionally, providing the connector with a coding, and optionally, at least temporarily connecting the connector to the control unit, with the coding being characterizable, for example, by a transfer function, e.g the first signal, for example through the connector, for example between a first contact element assigned to the first connection and a second contact element of the connector assigned to the second connection.
  • the coding can be implemented by at least one connecting element, by means of which at least two predetermined contact element of the connector are connected to each other in an electrically conductive manner. This can be evaluated in further exemplary embodiments, for example by comparing the first signal with the second signal.
  • a plurality of first signals can be output, e.g. on respectively different first connections of the control unit, and/or a plurality of second signals can be determined, e.g. on respectively different second connections.
  • the device can be integrated, for example, in a control unit.
  • the device has: a computing device ("computer") having at least one computing core, a memory device assigned to the computing device for at least temporarily storing at least one of the following elements: a) data, b) computer program, in particular for execution of the method according to the embodiments.
  • a computing device having at least one computing core
  • a memory device assigned to the computing device for at least temporarily storing at least one of the following elements: a) data, b) computer program, in particular for execution of the method according to the embodiments.
  • the data can at least temporarily be the first signal and/or the second signal or a (in particular also time- and/or value-discrete) representation of the first and/or second signal and/or data that can be derived therefrom, e.g. at least one result of evaluating.
  • the memory device has a volatile memory (e.g. random access memory (RAM)) and/or a non-volatile memory (e.g. flash EEPROM), or a combination thereof or with other memory types not explicitly mentioned.
  • volatile memory e.g. random access memory (RAM)
  • non-volatile memory e.g. flash EEPROM
  • control device for example for a motor vehicle, with at least one device according to the embodiments.
  • control device for example for a motor vehicle
  • computer-readable storage medium comprising instructions which, when executed by a computer, cause it to carry out the method according to the embodiments.
  • the connector with at least one piece of information that can be evaluated by the control unit, for example in the form of a code, b) coding the control unit or a purpose and/or a function and/or a position of the control unit, c) enabling a code to be recognized and/or at least one error in the area of the control unit and/or the connector.
  • FIG. 1 schematically shows a simplified flow chart according to exemplary embodiments
  • FIG. 6 schematically shows a simplified flowchart of a device according to exemplary embodiments
  • FIG. 7 schematically shows a simplified block diagram of a device according to exemplary embodiments
  • FIG. 8 schematically shows a simplified block diagram of an apparatus according to exemplary embodiments
  • FIG. 9 schematically shows a simplified block diagram of an apparatus according to exemplary embodiments.
  • FIG. 10 schematically shows aspects of a use according to further preferred embodiments.
  • Exemplary embodiments, cf. Fig. 1, 7, relate to a method, for example a computer-implemented method, for operating a control unit 100, for example for a motor vehicle, comprising: outputting 200 (Fig. 1) a first signal S1 on at least one first connection 110a of control unit 100 that can be connected to plug connector 300 (Fig. 7), determination 202 (Fig. 1) of a second signal S2 at at least one second connection 110b of control unit 100 that can be connected to plug connector 300, evaluation 204 of second signal S2, for example based on the first signal S1, an evaluation result AE being obtained, for example.
  • this makes it possible to detect errors in the area of the plug connector 300 and/or a coding, which can be implemented in the plug connector 300 according to further exemplary embodiments.
  • FIG. 7, 8 Further exemplary embodiments relate to a connector 300, 300a, 300b, 300c (Fig. 7, 8) for a control device 300, for example for a motor vehicle, having a plurality of contact elements 1, 2,
  • connection element VE1 for, for example optional, electrically conductive connection of has at least two contact elements 1, 2 of the plurality of contact elements 1, 2, 3, 4.
  • FIG. 8 schematically shows three different exemplary variants 300a, 300b, 300c of the connector 300 (FIG. 7), which each have four contact elements 1, 2, 3, 4.
  • the contact elements 1, 2 are electrically connected to one another with a first connecting element VE1, for example short-circuited, so that, for example, when the connector 300a is connected to the control unit 100, 100a, an electrically conductive connection is established between the first terminal 110a, the first contact element 1, the second contact element 2 and the second connection 110b is produced, ie, for example, a short circuit between the connections 110a, 110b.
  • a signal strongly correlated with the first signal S1 can be determined as the second signal S2 at the connection 110b, which can be used, for example, to identify a first coding associated with the first connecting element VE1.
  • the contact elements 1, 3 are electrically conductively connected to one another with a second connecting element VE2, for example short-circuited, so that, for example, when the plug connector 300b is connected to the control unit 100, 100a, an electrically conductive connection is established between the first terminal 110a, the first contact element 1, the third contact element 3 and a third connection 110c of the control unit 100a is produced, ie for example a short circuit between the connections 110a, 110c.
  • a signal strongly correlated with the first signal S1 can be determined as the second signal S2 at the connection 110c, which can be used, for example, to identify a second coding associated with the second connecting element VE2.
  • plug connector 300c In the case of plug connector 300c, on the other hand, e.g. contact elements 3, 4 are electrically conductively connected to one another with a third connecting element VE3, e.g. short-circuited, so that e.g. when plug connector 300c is connected to control unit 100, 100a, an electrically conductive connection is established between third connection 110c, the third contact element 3, the fourth contact element 4 and a fourth connection 110d of the control unit is established, e.g. a short circuit between the connections 110c, 110d.
  • a second signal S2 at connection 110d that is strongly correlated with the first signal S1 from connection 110c can be determined, which can be used, for example, to identify a third coding associated with the third connection element VE3.
  • the connector 300, 300a, 300b, 300c can also have other contact elements, not shown here, e.g. for the transmission of data or information and/or energy.
  • connection elements VE1, VE2, VE3 that can be produced in the manner described above with reference to FIGS. 7, 8 can be determined by evaluating the second signal S2.
  • the evaluation 204 includes determining 204a a correlation of the second Signal S2 having the first signal S1. For example, in further exemplary embodiments it can then be concluded that the at least one first connection 110a of control unit 100, 100a is connected to the second connection 110b of the control unit by means of plug connector 300 or a connecting element VE1 provided therein if a comparatively strong correlation of the second signal S2 with the first signal S1.
  • the evaluation 204 has at least one of the following elements: a) determining 204b whether the second signal S2 is constant over time and/or corresponds to a first reference potential, for example the ground potential, b ) Determining 204c whether the second signal is constant over time and/or corresponds to a second reference potential, for example a potential associated with an operating voltage for the control unit.
  • a second reference potential for example a potential associated with an operating voltage for the control unit.
  • such a fault can be concluded if the second signal has a constant signal value, e.g. voltage value, instead of a correlation with the first signal, e.g. 0 volts in the case of short circuit to ground.
  • a constant signal value e.g. voltage value
  • the method includes: Controlling 210 an operation of the control unit 100, 100a, for example selecting 212 an operating mode BA for the control unit 100, 100a, based on the evaluation 204 (FIG. 1).
  • a predefinable operating mode BA for the control device can be adopted and/or emergency operation can be adopted or an error reaction can be carried out if an error is identified.
  • the first signal S1 has at least one of the following elements: a) constant signal which has a first reference potential, for example the ground potential, corresponds, b) constant signal, which corresponds to a second reference potential, for example a potential associated with an operating voltage for the control device, c) a signal that changes over time, for example a modulated, for example pulse-width modulated, signal.
  • case a) and/or b) it may be possible to conclude that there is an error
  • case c) it is possible to conclude, for example, that a definable coding is possible, e.g. if the second signal S2 sufficiently corresponds to the time-varying first signal S1 correlated.
  • Fig. 4 it is provided that the method has: Close 220 to a coding COD of the connector 300, e.g. based on the evaluation 204.
  • an operating mode based on the Encoding COD to be taken is taken.
  • the method has: detection 230 of a fault, for example in the area of the connector 300 and/or a cable (not shown) connected to the connector 300, e.g. based on the evaluation.
  • detection 230 of a fault for example in the area of the connector 300 and/or a cable (not shown) connected to the connector 300, e.g. based on the evaluation.
  • an error-based mode of operation may be assumed.
  • the method comprises: providing 240 the connector 300, and, optionally, providing 242 the connector 300 with a coding (e.g. by connecting at least two contact elements 1, 2, 3, 4 with at least one connecting element VE1, VE2, VE3, see Fig. 8), and optionally, at least temporarily connecting 244 (Fig. 6) the plug connector to the control unit, with the coding being characterizable, for example, by a transfer function, e.g. for the first signal S1, eg through the connector 300, for example between a first contact element 310a (FIG. 7) assigned to the first connection 110a and a second contact element 310b of the connector assigned to the second connection 110b, see arrow A1.
  • a transfer function e.g. for the first signal S1, eg through the connector 300, for example between a first contact element 310a (FIG. 7) assigned to the first connection 110a and a second contact element 310b of the connector assigned to the second connection 110b, see arrow A1.
  • the coding in further exemplary Embodiments can be realized by at least one connecting element VE1, VE2, VE3 (Fig. 8), by means of which at least two predefinable contact elements 1, 2, 3, 4 of the connector 300 are electrically conductively connected to one another.
  • this can be evaluated as described above by way of example, for example by comparing the first signal with the second signal.
  • a plurality of first signals can be output, e.g. on respectively different first connections of the control unit, and/or a plurality of second signals can be determined, e.g. on respectively different second connections.
  • FIG. 8 relate to a device 200 for carrying out the method according to the embodiments.
  • the device 200 can be integrated into a controller 100a, for example.
  • the device 200 is designed as a microcontroller or has a microcontroller.
  • the microcontroller can output, for example by means of a first output, e.g. digital output, OutO, the first signal S1 (Fig. 7) on the first connection 110a, and the second signal S2 (Fig. 7) from the second connection 110b (Fig. 8) received at an input, e.g. digital input or analog input, In1.
  • a first output e.g. digital output, OutO
  • the first signal S1 Fig. 7
  • the second signal S2 Fig. 7 from the second connection 110b (Fig. 8) received at an input, e.g. digital input or analog input, In1.
  • an output driver stage can be provided, for example, which has a transistor T which, together with a resistor, eg pull-up resistor R, is connected between an operating voltage potential “+” and the ground potential GND.
  • a pulse-width-modulated signal S1 for example, at its digital output OutO
  • transistor T is switched on at least temporarily according to pulse-width-modulated signal S1, which lowers a potential of circuit node N1 to ground potential GND in a correspondingly modulated manner.
  • this signal can be determined or received as a second signal S2, for example at the input connection In1 of the microcontroller 200 and compared, for example, with the first signal S1, for example as part of the evaluation 204 (FIG. 1).
  • FIG. 9 schematically shows a simplified block diagram of a configuration 200a, as is the basis for further exemplary embodiments, e.g. the device 200 according to FIG.
  • the device 200a has: a computing device (“computer”) 202 having at least one computing core 202a, 202b, 202c, a memory device 204 assigned to the computing device 202 for at least temporarily storing at least one of the following elements: a) data DAT, b) computer program PRG, in particular for carrying out the method according to the embodiments.
  • a computing device (“computer”) 202 having at least one computing core 202a, 202b, 202c, a memory device 204 assigned to the computing device 202 for at least temporarily storing at least one of the following elements: a) data DAT, b) computer program PRG, in particular for carrying out the method according to the embodiments.
  • the data DAT can at least temporarily include the first signal S1 and/or the second signal S2 or a representation (particularly also in terms of time and/or discrete values) of the first and/or second signal and/or data that can be derived therefrom, e.g. have at least one result AE of the evaluation 204.
  • the storage device 204 comprises a volatile memory 204a (e.g. random access memory (RAM)) and/or a non-volatile memory 204b (e.g. flash EEPROM), or a combination thereof or with other memory types not explicitly mentioned.
  • volatile memory 204a e.g. random access memory (RAM)
  • non-volatile memory 204b e.g. flash EEPROM
  • FIG. 7 relate to a control device 100, for example for a motor vehicle, with at least one device 200, 200a according to the embodiments.
  • FIG. 9 Further exemplary embodiments relate to a computer-readable storage medium SM (Fig. 9) comprising instructions PRG, which are the execution by a computer 202 causing it to execute the method according to the embodiments.
  • SM computer-readable storage medium
  • a data carrier signal DCS which characterizes and/or transmits the computer program PRG according to the embodiments.
  • the data carrier signal DCS can be received, for example, via an optional data interface 206 of the device 200a.
  • Fig. 10 relate to a use 400 of the method according to the embodiments and/or the device 200, 200a according to the embodiments and/or the computer-readable storage medium SM according to the embodiments and/or the computer program PRG according to the embodiments and /or the data carrier signal DCS according to the embodiments and/or the connector 300, 300a, 300b, 300c according to the embodiments for at least one of the following elements: a) Providing 402 the connector with at least one piece of information that can be evaluated by the control unit 100, for example in the form of a Coding COD, b) coding 404 the control unit 100 or a purpose and/or a function and/or a position of the control unit, c) enabling 406 detection of a coding and/or at least one error in the area of the control unit and/or the connector .
  • the principle according to the embodiments can be used, for example, to reduce the number of variants of control devices 100, 100a, for example in the automotive sector.
  • provision can be made to use a number of identical control devices for the same or comparable tasks, for example at different positions.
  • An example of this according to further exemplary embodiments is the use of up to four or more identical control devices 100, 100a, eg for activation of the respective drive motors in an electric vehicle (e.g. 4 wheel hub motors).
  • each control unit can be informed of a position (and thus task) in the vehicle or address for communication, namely by the encoding according to the embodiments.
  • the control units can then, for example, work specifically according to their position/coding.
  • plug connectors 300 for control units are provided with a respective number of contact elements ("pins"), for example with 3 pins, depending on the number of positions to be coded and the required error detection. This allows, for example, 3 positions and single errors (cable interrupted, short circuit to KL30 (permanent plus) or ground) to be distinguished.
  • an exemplary coding consists, for example, in that "position 1" is encoded by a connection between pins 1-2 and "position 2" is coded, for example, by a connection between pins 1-3, e.g., with corresponding connection elements in the connector.
  • a higher number of pins used for the coding can, for example, encode more positions or information in general.
  • Appropriately arranged connections can also be used to detect multiple errors in further exemplary embodiments.
  • the pins are controlled, e.g. with pulse patterns, e.g. by a microcontroller 200 (cf. signal S1) and the resulting signals (S2) are read in and evaluated by it, cf. step 204 according to Fig. 1.
  • This information can be used, for example, to status of the pins can be determined, which e.g. reflects the position or an error condition.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

L'invention concerne un procédé, par exemple un procédé mis en oeuvre par ordinateur, pour faire fonctionner un dispositif de commande, par exemple pour un véhicule automobile. Ledit procédé comprend les étapes suivantes : la fourniture d'un premier signal sur au moins une première borne du dispositif de commande qui peut être reliée à un connecteur, la détermination d'un second signal sur au moins une seconde borne du dispositif de commande qui peut être connectée au connecteur, l'évaluation du second signal, par exemple sur la base du premier signal.
PCT/EP2022/061175 2021-05-26 2022-04-27 Procédé et dispositif pour faire fonctionner un dispositif de commande WO2022248147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021205331.9 2021-05-26
DE102021205331.9A DE102021205331A1 (de) 2021-05-26 2021-05-26 Verfahren und Vorrichtung zum Betreiben eines Steuergeräts

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WO2022248147A1 true WO2022248147A1 (fr) 2022-12-01

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6448778B1 (en) * 2001-01-29 2002-09-10 Honda Of America Mfg., Inc. Automated verification of proper connectivity of components to a wiring harness during assembly of article of manufacture
US20040102916A1 (en) * 2002-11-21 2004-05-27 Zhiguo Chen Method for testing I/O ports of a computer motherboard
US20140082418A1 (en) * 2012-09-14 2014-03-20 Samsung Electronics Co., Ltd. Electronic apparatus and method of controlling the same
DE102019203314A1 (de) * 2019-03-12 2020-09-17 Robert Bosch Gmbh Steuergerät und Verfahren zum Betreiben eines Steuergeräts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6448778B1 (en) * 2001-01-29 2002-09-10 Honda Of America Mfg., Inc. Automated verification of proper connectivity of components to a wiring harness during assembly of article of manufacture
US20040102916A1 (en) * 2002-11-21 2004-05-27 Zhiguo Chen Method for testing I/O ports of a computer motherboard
US20140082418A1 (en) * 2012-09-14 2014-03-20 Samsung Electronics Co., Ltd. Electronic apparatus and method of controlling the same
DE102019203314A1 (de) * 2019-03-12 2020-09-17 Robert Bosch Gmbh Steuergerät und Verfahren zum Betreiben eines Steuergeräts

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