WO2016041716A1 - Surveillance d'une aptitude fonctionnelle d'un contact d'un ouvrant de véhicule - Google Patents

Surveillance d'une aptitude fonctionnelle d'un contact d'un ouvrant de véhicule Download PDF

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Publication number
WO2016041716A1
WO2016041716A1 PCT/EP2015/068813 EP2015068813W WO2016041716A1 WO 2016041716 A1 WO2016041716 A1 WO 2016041716A1 EP 2015068813 W EP2015068813 W EP 2015068813W WO 2016041716 A1 WO2016041716 A1 WO 2016041716A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
flap
contact
control signal
value
Prior art date
Application number
PCT/EP2015/068813
Other languages
German (de)
English (en)
Inventor
Kai Dickfeld
Stefan Götte
Original Assignee
Volkswagen 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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2016041716A1 publication Critical patent/WO2016041716A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions

Definitions

  • the invention relates to a method for monitoring a functionality of a
  • Flap contact of a flap of a vehicle and a corresponding device Flap contact of a flap of a vehicle and a corresponding device.
  • the invention relates to techniques in which the functionality of the
  • Flap contact is monitored based on a control signal and determining whether a driving cycle of the vehicle has taken place.
  • the flap contact makes it possible to determine whether a corresponding flap of the vehicle is in an open state or in a closed state.
  • the flap contact is not or only partially functional.
  • the flap contact may provide erroneous control signals.
  • an open condition of the flap can be indexed even though the flap is actually in a closed state (or vice versa).
  • the flap contact may provide erroneous control signals.
  • an open condition of the flap can be indexed even though the flap is actually in a closed state (or vice versa).
  • a redundant flap contact can be provided on the flap.
  • the functionality of the flap contact can be monitored.
  • a deviation between the respective indicated states may e.g. indicate a limited functionality.
  • the invention relates to a method for monitoring a functionality of a flap contact of a flap of a vehicle.
  • the method includes determining whether a driving cycle of the vehicle has taken place.
  • the method further includes receiving a control signal from the flapper contact.
  • the method further comprises, based on the control signal, determining if the flap contact indicates an open condition of the flap.
  • the method further includes monitoring the functionality of the flapper contact.
  • the monitoring of the serviceability of the flap contact is in response to determining whether the drive cycle has taken place.
  • the monitoring of the functionality of the flap contact continues to occur in response to determining whether the flap contact indicates an open condition.
  • a non-reduced (reduced) functionality of the flap contact may be assumed when a probability of failure with which the flap contact misidentifies the open state or the closed state of the respective flap is comparatively large (low).
  • the functionality of the flap contact can thus correlate with an uncertainty in or error rate when detecting the state of the flap. The uncertainty, for example, from mechanical errors of the
  • the vehicle may be a passenger car or a utility vehicle.
  • the flap contact may e.g. be a mechanical contact and / or a magnetic contact.
  • the flapper contact can be designed as a microswitch.
  • a driving cycle may e.g. indicate a drive of the vehicle.
  • the driving cycle may indicate such a course of changes in operating parameters of the vehicle, which may be due to movement of the vehicle, e.g. between two
  • the flap contact could be determined whether the flap contact after completion and / or before the start of the driving cycle, the open state of the flap once or repeatedly indicated. For example, determining whether the flip contact indicates an open condition of the door by determining that the drive cycle has occurred may be triggered. For example, The determining could include determining whether the flap contact indicates the opened state of the flap at least once in a predetermined period of time after determining that the driving cycle of the vehicle has taken place. Alternatively or additionally, it would also be possible for the determination to include determining whether the flap contact indicates the opened state of the flap at least once between two consecutively determined driving cycles.
  • the flap can be the driver's door.
  • the driver leaves the vehicle after the end of the drive cycle through the driver's door. Therefore, it may be an indication of limited functioning (unrestricted
  • Functionality of the flap contact are valued, if after the end of the driving cycle, the flap contact indicates no (an) open state of the flap.
  • determining whether the drive cycle has taken place and determining whether the door contact indicates an open state may be performed multiple times. Then, monitoring health can take into account the results of multiple determinations and multiple determinations.
  • the monitoring if it is determined that the drive cycle has taken place, comprises: changing a value of a counter in one direction, if it is determined that the door contact indicates an open state; and changing the value of the counter in the other direction, if it is determined that the flap contact does not indicate an open state; and performing a threshold comparison between the counter and a predetermined threshold; and depending on the
  • Threshold comparison Determine if the functionality of the flap contact is present.
  • Decrement the value of the counter; accordingly, changing the value of the counter in the other direction may mean incrementing the value of the counter.
  • larger (smaller) values of the counter can be taken as an indication of a reduced (not reduced) functionality of the flap contact of the flap, ie a greater (smaller) failure probability of the flap contact.
  • flaps contact performance testing may reflect the results of multiple determinations and multiple determinations particularly efficiently be taken into account. It can be so particularly accurate and reliable to monitor the functionality of the flap contact. For example, it may be possible to detect increased occurrence of a correlation between a journey that has taken place and an unindexed open state (error event).
  • the change in the value of the counter may be e.g. depending on one or more previously assumed values of the counter (hysteresis).
  • a change due to an error event may e.g. be stronger than a change in proper detection of an open state of the flap after a fixed driving cycle.
  • a directional hysteresis can be implemented.
  • n can be unequal to m, for example n is preferably greater than m.
  • a state hysteresis can be implemented. For example, it would be possible for a value of the change of the value of the counter in one direction or the other direction to depend on a distance of the value of the counter from the predetermined threshold value. Alternatively or additionally, it would be possible, for example, for the change in the value of the counter in one direction and / or in the other direction to depend on whether the value of the counter has already reached or exceeded the preset threshold.
  • a change in the value of the counter in one direction could be smaller (greater) if the value of the counter preceding the predetermined threshold has not yet exceeded (has already exceeded).
  • the value of the counter it would also be possible for the value of the counter to be selectively changed in one direction selectively when the value of the counter has not yet reached the predetermined threshold.
  • determining whether the drive cycle has occurred may include:
  • the operating parameter may be selected from the following group: ignition of the vehicle; an operating state of infotainment devices of the vehicle; a speed of the vehicle; a steering angle of the vehicle; a control signal requesting locking of the door of the vehicle; a control signal indicating occupancy of a seat of the vehicle; a control signal indicating a belt lock of a seat belt of the vehicle; a control signal indicating movement in the interior of the vehicle; a position of the vehicle.
  • determining the drive cycle may include the sequence of: determining whether an infotainment device of the vehicle is turned on; Determining if the ignition of the vehicle is turned on; Determining if the engine of the vehicle is started;
  • the flap refers to the driver's door. Scenarios are conceivable in which the driver of the vehicle does not leave the vehicle or not always through the driver's door after a driving cycle. Such a scenario can occur in particular in commercial vehicles in which a passenger door or a tailgate from the driver's seat can be reached particularly easily or barrier-free.
  • Control signal from a further flap contact another flap of the vehicle comprises.
  • the method may, for example, based on the further control signal
  • Determining whether the further flap contact of the further flap indicates an open state of the further flap For example, monitoring the
  • a fault event it would be possible for a fault event to be detected only if neither the flap contact indicates an open state of the flap, nor does the further flap contact indicate an opened state of the further flap.
  • changing the value of the counter in one direction may occur when it is determined that either the flap contact indicates an open condition of the door, and / or the further door contact indicates an open condition of the another door.
  • the present invention relates to a controller.
  • Controller is configured to monitor a functionality of a flapper contact of a flap of a vehicle.
  • the control unit comprises a computing unit.
  • the arithmetic unit is arranged to determine whether a driving cycle of the vehicle has taken place.
  • the controller further includes an interface.
  • the interface is configured to receive the control signal from the flapper contact.
  • the arithmetic unit is further arranged to determine, based on the control signal, whether the flap contact indicates an open state of the flap.
  • the control unit is further configured to operate in response to determining whether the drive cycle has taken place and depending on the Determine if the flap contact indicates an open condition to monitor the functionality of the flap contact.
  • the controller may be configured to perform the method of monitoring functionality of the flapper contact according to another aspect of the present invention.
  • Flap contact is set up includes.
  • the invention in another aspect, relates to a method of monitoring a functionality of a control signal generator configured to generate a control signal that controls an operating state of an infotainment component of a vehicle.
  • the method includes determining whether an ignition of the vehicle is turned on.
  • the method further comprises determining if the control signal is from the
  • Control signal generator is generated when the ignition of the vehicle is turned on.
  • the method further includes monitoring the operation of the control signal generator in response to the determining.
  • the invention also relates to a corresponding control device, which comprises a computing unit which is set up to carry out the corresponding steps.
  • the control signal may be a so-called terminal S.
  • the clamp S may e.g. the operating condition of a radio, a
  • a switched-on (switched off) terminal S can be used e.g. enable an on (off) operating state of the infotainment component (the
  • control signal generator may be arranged to selectively generate the control signal when the identification transmitter is located in an interior region of the vehicle and an actuation button is actuated by a user.
  • the operation button may be an engine start / stop button. It would be possible for the control signal generator to be arranged to generate the control signal until another control signal, obtained from a flap contact of a flap of the vehicle, indicates an open condition of the flap. It would also be possible for that
  • Control signal generator is arranged to generate the control signal until the flap of the vehicle is locked.
  • FIG. 1 is a schematic view of a vehicle including a control unit configured to provide a functionality of a flap contact of a flap of the vehicle
  • FIG. 2 is a flowchart of a method of monitoring the functionality of the flapper contact according to various embodiments of the invention.
  • FIG. FIG. 3 illustrates a value of a counter based on a correlation of a
  • FIG. 4 illustrates a value of a counter based on a correlation of a
  • Connections and couplings between functional units and elements can also be implemented as an indirect connection or coupling.
  • a connection or coupling may be implemented by wire or wireless.
  • Functional units can be implemented as hardware, software or a combination of hardware and software.
  • flap contact Functionality or operability of the flap contact allow.
  • functionality of various flap contacts of the vehicle can be monitored.
  • the driver's door will be referred to as a flap.
  • control signal received from the driver door flap contact properly indexes the driver's door condition.
  • the diagnosis can in particular qualify the failure of the flap contact.
  • the state of the vehicle door is recognized via the flap contact and provided via an electrical line to a control unit.
  • the diagnosis results in a defect of the flap contact, provided that within a predetermined number of driving cycles no change in the state of the vehicle door from open to closed or vice versa was detected.
  • the driving cycle can be determined by a change of an operating voltage of electrical terminals;
  • such terminals that control ignition (terminal 15), engine start (terminal 50), and / or operating status of infotainment devices (terminal S) may be considered.
  • the drive cycle could be defined as follows: switch on the terminals 15 and S, start engine by switching the terminal 15, vehicle speed for a predetermined time greater than a predetermined speed, vehicle standstill,
  • the dismantling of the terminal S by removal of the identification transmitter from a position which is located at least partially in the ignition of the vehicle takes place.
  • the release of the terminal S is done for example by the locking of the vehicle.
  • the locking of the vehicle can be done for example via a radio link between the identification transmitter and a control unit of the vehicle.
  • FIG. 1 a top view of a vehicle 100 is shown.
  • the vehicle 100 has a plurality of flaps, in particular a driver's door 101 and a passenger door 101 a. It is a
  • Flap contact 1 10 provided, which is adapted to detect an open state and a closed state of the driver's door 101. A corresponding one more
  • the arithmetic unit 120-2 is further configured to determine whether the driving cycle of the vehicle 100 has occurred.
  • the control device 120 is connected via the interface 120-1 with further units 151, 152, 153.
  • An engine control unit monitors e.g. a speed of the vehicle 100.
  • the unit 152 monitors the status of the terminal S and the terminal 15, i. the operating state of infotainment devices of the vehicle 100 (not shown in FIG. 1), as well as the operating state of the ignition. Furthermore, the unit 152 may monitor the operating condition of the engine.
  • the further unit 153 is set up to report various other operating parameters to the control unit 120.
  • the further unit 152 may determine operating parameters of the vehicle 100 selected from the following group: a position of the vehicle; a steering angle of the vehicle 100; a control signal requesting locking of the driver's door 101 and / or the passenger door 101 a, a control signal indicating occupancy of a seat of the vehicle 100
  • Determining whether the driving cycle of the vehicle 100 has occurred may then include, for example: determining whether at least one operating parameter of the vehicle 100 initially assumes a value indicative of a travel of the vehicle 100 and then assumes a value indicative of parking the vehicle 100 indexed.
  • a drive cycle could be determined as follows: a change in terminal 15 from “off” to “on” - i. starting the ignition - and changing terminal S from “on” to “off” - i. switching off the various infotainment devices - if: with the terminal 15 switched on, a speed of the vehicle 100 of 10 km / h or more is reached and a buckle is plugged in recognizing the speed of the vehicle, followed by a state in which the buckle is not plugged at the time of deactivation of terminal S, for example with a tolerance of +/- 5 seconds.
  • Example can be set over the time of +/- 5 seconds that disabling the Terminal S is not in a fixed sequence for the operating states "Belt buckle not plugged in” and "Terminal S changes from On to Off".
  • the above example for the definition of the driving cycle is purely illustrative. From the above example, it can be seen that a variety of operating conditions can be used to define the driving cycle of the vehicle 100. In particular, the various operating states of the vehicle 100 can be determined by logic operations
  • step S2 it is determined in step S2 whether a driving cycle of the vehicle 100 has taken place. If this is the case, it is determined in step S3 whether the control signal received from the flap contact 110 indicates an opened state of the driver's door 101.
  • step S3 Depending on the result of the determination in step S3, an error counter is changed in different directions in steps S4 and S5.
  • the error counter is incremented. Otherwise, the error counter is decremented in step S5.
  • step S6 a threshold comparison is made between the value of the counter modified by steps S4 and S5 and a predetermined threshold.
  • step S6 if the value of the error counter is greater or less than the predetermined threshold. If the value of the error counter is not greater than the predetermined threshold value, it is determined in step S7 that the flapper contact 110 of the driver's door 101 functions properly. The diagnosis of the flap contact 1 10 results in other words no error.
  • FIG. 3 Such a scenario is shown in FIG. 3 shown.
  • the value 300 of the error counter 320 (indicated by a variable-height white bar in FIG.3) is plotted for various drive cycles 31 1 (indicated by a black bar of height one in FIG.
  • the driving cycles are plotted for various drive cycles 31 1 (indicated by a black bar of height one in FIG.
  • 31 1 is shown in each case as to whether the control signal indicates an open state of the driver's door 301 (indicated by a hatched bar of height one in FIG. 3) (indicated in FIG. 3 by the absence of the hatched bar in the corresponding drive cycle 31 1). ,
  • FIG. 3 from left to right results in the following sequence: first, it is determined that a drive cycle 31 1 has taken place. For the drive cycle 31 1 is also an open state
  • Decrementing the value 300 of the counter 320 - this is the case, since in this scenario, only after the second specific drive cycle 31 1, for the open state 312 of the driver's door 1 1 1 is detected, decrementing the value 300 of the error counter 320th he follows. So there is a directional hysteresis implemented.
  • the maximum counter may index a number of events. An event may be considered reaching the
  • Threshold 330 may be defined by the value 300 of the error counter 320. By means of such a maximum counter, it may be possible to implement the state hysteresis with respect to the achievement of the threshold value 330 particularly accurately.
  • Counter value in response to the open state 312 of the driver's door 101 is carried out.
  • the monitoring of the functionality of the flap contact 110 it would also be possible for the monitoring of the functionality of the flap contact 110 to continue to be effected as a function of an opened state of the passenger door 101a.
  • a scenario may be conceivable in which the driver does not leave the vehicle 100 via the driver's door 101, but via the passenger door 101 a. If the opened state of the passenger door 101 a is detected, it may be desirable not to change the value 300 of the error counter 320 - because without actuation of the driver's door 101, no significant statement about the functionality of the
  • Flap contact 1 10 the driver's door 101 are taken. In other words, therefore, a further control signal from the further flap contact 1 10a of the passenger door 101 of
  • Flap contact 1 10 based on an operating state of infotainment devices of the vehicle. It was explained that in this context, for example, to a
  • control signal e.g. the terminal S
  • the terminal S can be used.
  • the functionality of the terminal S and the corresponding S-contact accordingly may include, for example:
  • Control signal is generated on the terminal S when the ignition of the vehicle is turned on; and monitoring the operation of the terminal S in response to determining whether the terminal S is closed when the ignition of the vehicle is turned on.
  • a diagnosis of the terminal S done by the signal of the terminal S is correlated with an operating condition of the ignition of the vehicle, so for example, in particular with a signal of the terminal 15.
  • the functionality of the terminal S. ensure;
  • the corresponding techniques could further include: determining whether the flap contact indicates an open state of the other other flap before and after the drive cycle. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Selon l'invention, l'aptitude fonctionnelle d'un contact (110) d'un ouvrant (101) de véhicule (100) est surveillée. Selon l'invention, on détermine si un cycle de marche du véhicule (100) s'est effectivement déroulé. Un signal de commande est reçu par le contact (110) d'ouvrant et il est déterminé si ledit contact (110) d'ouvrant indique un état ouvert de l'ouvrant (101). En fonction de la détermination et des résultats obtenus, l'aptitude fonctionnelle du contact (110) d'ouvrant est surveillée.
PCT/EP2015/068813 2014-09-16 2015-08-17 Surveillance d'une aptitude fonctionnelle d'un contact d'un ouvrant de véhicule WO2016041716A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014218573.4A DE102014218573B4 (de) 2014-09-16 2014-09-16 Verfahren zur Überwachung einer Funktionstüchtigkeit eines Klappenkontakts einer Klappe eines Fahrzeugs und zugehöriges Steuergerät
DE102014218573.4 2014-09-16

Publications (1)

Publication Number Publication Date
WO2016041716A1 true WO2016041716A1 (fr) 2016-03-24

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Application Number Title Priority Date Filing Date
PCT/EP2015/068813 WO2016041716A1 (fr) 2014-09-16 2015-08-17 Surveillance d'une aptitude fonctionnelle d'un contact d'un ouvrant de véhicule

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DE (1) DE102014218573B4 (fr)
WO (1) WO2016041716A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685536A1 (fr) * 1991-12-20 1993-06-25 Vachette Sa Dispositif de commande de l'allumage d'un plafonnier, ou analogue, de vehicule automobile.
US20040042144A1 (en) * 2001-10-31 2004-03-04 Mitsui Kinzoku Kogyo Kabushiki Kaisha Control method of sliding a vehicle door by a powered sliding device
US20040201245A1 (en) * 2003-04-11 2004-10-14 Mitsui Mining & Smelting Co., Ltd. Door system
EP1977919A2 (fr) * 2007-04-02 2008-10-08 GM Global Technology Operations, Inc. Véhicule automobile doté d'une porte s'ouvrant vers l'arrière
DE102008020843A1 (de) * 2008-04-25 2009-10-29 Bayerische Motoren Werke Aktiengesellschaft Feststellfunktion zum temporären Halten eines betriebsbereiten Kraftfahrzeugs im Stillstand
DE102012015911B3 (de) * 2012-08-10 2013-10-24 Audi Ag Diagnoseeinrichtung zur Überprüfung einer Steuersignalleitung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923703B4 (de) * 1999-05-22 2007-10-11 Volkswagen Ag Motorhauben-Verriegelungs/Entriegelungsvorrichtung
DE10023382A1 (de) * 2000-05-12 2001-11-15 Bayerische Motoren Werke Ag Tankklappen-Betätigungsvorrichtung
DE102006015920B4 (de) * 2006-04-05 2011-07-28 Faurecia Autositze GmbH, 31655 Verstellsystem für ein Fahrzeug und ein Verfahren zum Betreiben eines Verstellsystems
DE102007046123A1 (de) * 2007-09-27 2009-04-02 GM Global Technology Operations, Inc., Detroit Kraftfahrzeug mit einem Mikrofon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685536A1 (fr) * 1991-12-20 1993-06-25 Vachette Sa Dispositif de commande de l'allumage d'un plafonnier, ou analogue, de vehicule automobile.
US20040042144A1 (en) * 2001-10-31 2004-03-04 Mitsui Kinzoku Kogyo Kabushiki Kaisha Control method of sliding a vehicle door by a powered sliding device
US20040201245A1 (en) * 2003-04-11 2004-10-14 Mitsui Mining & Smelting Co., Ltd. Door system
EP1977919A2 (fr) * 2007-04-02 2008-10-08 GM Global Technology Operations, Inc. Véhicule automobile doté d'une porte s'ouvrant vers l'arrière
DE102008020843A1 (de) * 2008-04-25 2009-10-29 Bayerische Motoren Werke Aktiengesellschaft Feststellfunktion zum temporären Halten eines betriebsbereiten Kraftfahrzeugs im Stillstand
DE102012015911B3 (de) * 2012-08-10 2013-10-24 Audi Ag Diagnoseeinrichtung zur Überprüfung einer Steuersignalleitung

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DE102014218573B4 (de) 2021-01-14

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