EP1328907B1 - Verfahren zur detektionssignalverarbeitung für ein kraftfahrzeug - Google Patents

Verfahren zur detektionssignalverarbeitung für ein kraftfahrzeug Download PDF

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Publication number
EP1328907B1
EP1328907B1 EP01969688A EP01969688A EP1328907B1 EP 1328907 B1 EP1328907 B1 EP 1328907B1 EP 01969688 A EP01969688 A EP 01969688A EP 01969688 A EP01969688 A EP 01969688A EP 1328907 B1 EP1328907 B1 EP 1328907B1
Authority
EP
European Patent Office
Prior art keywords
signal
detection
handle
vehicle
detection zone
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.)
Expired - Lifetime
Application number
EP01969688A
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English (en)
French (fr)
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EP1328907A1 (de
Inventor
Thierry Benard
Joël GARNAULT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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
Priority claimed from FR0011299A external-priority patent/FR2813630B1/fr
Priority claimed from FR0108901A external-priority patent/FR2827064B1/fr
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1328907A1 publication Critical patent/EP1328907A1/de
Application granted granted Critical
Publication of EP1328907B1 publication Critical patent/EP1328907B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/215—Individual registration on entry or exit involving the use of a pass the system having a variable access-code, e.g. varied as a function of time
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
    • G07C2209/65—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using means for sensing the user's hand

Definitions

  • the present invention relates to a method for processing detection signals originating from at least one detection zone arranged on a motor vehicle, and to a motor vehicle opening handle comprising a detection zone and a processing device for setting up a detection zone. of this process.
  • Motor vehicles equipped with at least one central locking system comprise, on the one hand, different sensors that collect information reflecting the actions of the users and, on the other hand, control means that exploit this information to trigger different devices in response to said actions. users.
  • capacitive or optical sensors are mounted on door handles and more particularly on the doors.
  • Capacitive sensors are for example used to detect a touch, they are called tactile sensors, or the approach of the hand of a user with respect to a given surface, they are called then approach sensors.
  • Optical sensors detect light beam breaks. They belong to the category of approach sensors.
  • the present invention aims at providing a solution in which the number of sensors used is optimized and in which the electronic means required in the vehicle can be simplified.
  • This invention finds a particularly advantageous application in motor vehicles equipped with a so-called "hands-free" system, in which the various actions of users first give rise to a search for identifier to know if the person whose action has been detected is an authorized user of the vehicle.
  • the present invention relates to a detection signal processing method according to claim 1.
  • control means means all the devices present in the vehicle to execute shutter release / unlocking commands, activation / deactivation of a power cut-off device, activation / deactivation of alarm, engine start / stop, and more generally any on / off control of any organ of the vehicle.
  • control means in the form of actuating signals, are issued with orders directly executable by said control means.
  • the invention makes a distinction between a first category of rules, which could be described as discriminating, making it possible to determine what is the intention of the user when activating a detection zone. and a second category of rules, which could be described as arbitration, relating to the management of priorities between different intentions that are a priori contradictory or incompatible but expressed simultaneously by one or more users.
  • the detection signal processing method is responsible for the application of the discriminant rules, which makes it possible to offload the control means which only have to provide, if necessary, the management priorities using arbitration rules.
  • the method takes into account that all the openings or at least some of them are locked or unlocked.
  • the mere knowledge of the environment information is not enough to correctly interpret a detection. This can be the case if the detection always comes from the same sensor while the user is acting in two different locations of the vehicle (for example in two zones apparently separated by a delimitation on a handle which actually contains only one sensor) in order to trigger two different actions.
  • the discrimination between the two actions must therefore be carried out by the treatment method.
  • the detection signal when receiving the detection signal, not only environmental information is taken into account but also temporal information related to the received detection signal, for example. example its duration or a time elapsed between its receipt and an additional event caused by the user.
  • the invention provides different categories of commands resulting from the interpretation of the detection signal.
  • One of these commands is the verification of the identity of the person whose action is detected, which is particularly important in the operation of a hands-free system.
  • the environment information verifies predetermined conditions, such as for example that all the doors of the vehicle are locked, in which case it can be provided that the identity verification command is followed by a command unlocking.
  • the time information can be used to interpret the received signal as a lock or unlock command of a single opening or all the opening of the vehicle.
  • This temporal information may consist of the duration of the signal received, a short-duration signal corresponding for example to the unlocking of an opening associated with the detection zone while a long-duration signal corresponds for example to the unlocking of all the openings.
  • the time delay between the beginning of the received detection signal and the change of position of a switch is chosen as temporal information related to the received detection signal.
  • the switch may be linked to an opening handle of an opening, the switch changing position when the handle is operated or released, the associated opening being for example unlocked only if the time between the beginning of the detection and the change of position of the switch is less than a predetermined duration while all the openings are for example unlocked if said delay reaches the predetermined duration.
  • the method according to the invention is implemented to automatically lock an opening leaf of a motor vehicle using a hands-free access system comprising a recognition device intended to be installed inside the vehicle and a portable identification device, said recognition device being able to communicate remotely with the identification member to authenticate.
  • This method applies to a vehicle equipped with a hands-free access system configured for a user of the vehicle can enter the vehicle without having to handle key or remote control.
  • Such a vehicle most often includes an approach sensor coupled to the recognition device of the hands-free access system for an authentication attempt to be triggered when the approach sensor detects the presence of a user.
  • the recognition device triggers the unlocking of one or more openings of the vehicle.
  • One of the aims of the present invention is to overcome this disadvantage by providing an improvement to the ergonomics of the hands-free access systems.
  • the method according to the invention consists in automatically locking an opening leaf of a motor vehicle using a hands-free access system comprising a recognition device intended to be installed. inside the vehicle and a portable identification device, said recognition device being able to communicate remotely with the identification member to authenticate it, by supplying the vehicle control means, following the authentication identification member, a locking or unlocking signal of the opening of the vehicle.
  • the locking of the vehicle can for example be achieved by activating a detection zone with the hand but without maneuvering the door handle of the vehicle which is in the closed state.
  • a detection zone with the hand but without maneuvering the door handle of the vehicle which is in the closed state.
  • This method has the advantage of being able to be implemented with the parts already present on a hands-free access system configured to automatically trigger the locking of an opening of the vehicle.
  • the method delivers a locking signal of the opening of the vehicle, before the expiry of a predetermined time, as soon as the approach sensor no longer provides a signal detection.
  • said predetermined delay has a duration pre-recorded in the recognition device, so that operating instabilities related to the unlocking criteria can be avoided.
  • the method according to the invention delivers a locking signal of the opening only if the recognition device authenticates the identification member, the locking of the vehicle can be achieved only by a user carrying an identification device.
  • the present invention also relates to a particular technical problem which is part of the more general problem, previously explained, of the simultaneous management of several sensors.
  • two capacitive sensors can be provided: one oriented towards the inside of the handle and which fulfills the function of approach sensor, the other oriented towards the outside of the handle and which fulfills the function of touch sensor.
  • the approach sensor detects whether the user passes their fingers behind the handle to grab it and, for example, open the door.
  • the touch sensor detects whether the user applies a finger to said sensor, for example to block all the openings of the vehicle.
  • Each sensor therefore corresponds for the user to a particular function.
  • a difficulty that arises with these capacitive sensors is that their proper functioning is conditioned by the absence, in their environment, of materials likely to disturb them, such as electrically conductive materials that mask the sensor (s) and inhibit them, or spread their detection zones so that in case of detection, any sensor that has reacted is not necessarily a sensor concerned by the action initiated by the user.
  • an approach detection can be mistaken for tactile detection following the untimely activation of the two sensors, thus introducing erroneous information in the control means of the detection signals.
  • the present invention therefore also aims to provide a solution to overcome this difficulty related to the presence of materials disrupting the proper operation of the sensors.
  • the received detection signal is interpreted as to be ignored.
  • the method according to the invention makes it possible to intervene on the signals supplied by several sensors before said signals cause undesirable actions.
  • the detection signals coming from at least two independent detection zones each of which is capable of supplying its own detection signal.
  • the present invention draws its originality from the fact that the inventors, rather than seeking to overcome the deficiencies of the sensors when placed in an unfavorable environment, have sought a solution to accommodate a degraded operation of said sensors without degradation as for the analysis of the detection signals.
  • the detection zones are mounted on a handle of the vehicle.
  • the handle is itself mounted on an opening of the vehicle.
  • the detection zones may be coated with a material likely to disturb their proper functioning.
  • a material may be an electrically conductive material such as a paint incorporating particles metal, the detection zones being areas sensitive to an electric or electromagnetic field variation.
  • the fact of ignoring the signal of a detection zone may consist of different implementations.
  • ignoring the signal may consist in inhibiting means for reading the signal from the detection zone.
  • Ignoring the signal can also be achieved by replacing said signal with a constant signal of true Boolean value, so that a detection is considered to have taken place when the predetermined conditions are satisfied and independently of a real detection signaled by the sensor.
  • Another possibility may be to replace the result of any control performed on the detection signal, that is to say both the detection controls and the non-detection controls, by the true Boolean value, which amounts to to ignore the signal from the sensor considered whether a detection is performed or not.
  • the present invention also relates to a door handle as defined in claim 17.
  • the device consists of processing means comprising at least one state module able to take into account environment information, as well as at least one signal interpretation module, said interpretation module providing a signal signal. operation dependent on the environment information and directly usable by control means.
  • the device further comprises means for measuring duration providing information related to the received detection signal and / or means for checking predetermined conditions.
  • the Interpretation module is placed directly downstream of a sensor and is constituted by an OR gate accepting, on the one hand, the signals from the sensor, on the other hand the result, provided by the state module, condition check.
  • This embodiment is adapted to control means performing only positive detection checks on the sensor, that is to say verifying that a detection has taken place, because these checks are systematically made positive by the value. resulting from the verification of the predetermined conditions when they are fulfilled.
  • adapted to control means performing only negative detection checks that is to say verifying that no detection takes place
  • the door OR is replaced by a NOR gate at the output of the state control module and an AND gate combines this output with the sensor signal.
  • control means controls the positive detection as well as the negative detection by the sensor with detection control modules
  • interpretation module is placed not directly downstream of the detection zone but directly downstream of any detection control module and that it is constituted by an OR gate combining the result of the detection control with the result of the verification of predetermined conditions, so that the result of the control seen by the control means is always true if the said conditions are fulfilled.
  • the detection zone of the handle is sensitive to either a variation of electric or electromagnetic field, or to a cut of a light beam.
  • the detection zone is advantageously arranged on the handle such that the ambient electric or electromagnetic field is disturbed or that the optical beam is cut when a hand is engaged in the handle.
  • a handle 1 comprises a central portion 2 for gripping and two attachment ends, one 3 pivoting the other 4 sliding, allowing the operation of the handle for opening the door.
  • the central portion 2 has an interior clearance 5 leaving a space for the fingers of a user wishing to pull the handle towards him.
  • the handle comprises an approach detection zone 6, delimited by a dashed line in the drawing.
  • the handle On the outside and at the right of its sliding end 4, the handle comprises a tactile detection zone 7 also delimited by a broken line and constituted by a capacitive sensor 8, a portion of which appears by the open end 9 of the handle.
  • This touch zone 7 is designed to detect the application of a finger of the user while the approach zone 6 detects the fact that a user passes his fingers behind the handle to grasp it.
  • the handle is covered with a metallic paint giving a chrome rendering (not visible on the drawing).
  • This painting interferes with the visibility of the two sensors and causes, or may cause, at least partial overlap of the two detection zones 6, 7.
  • the ergonomics of the handle may be such that the user's hand grasping or approaching said handle is located simultaneously in both detection areas 6a, 7a, even if they do not overlap.
  • the two sensors embodying the detection zones 6, 7 sometimes provide inaccurate information.
  • processing means 10 represented schematically in the figure 3 , are interposed between the detection zones 6, 7 and control means 11, which serve for the determination and execution of the actions requested by the user.
  • processing means 10 comprise state modules 12, 13 and interpretation modules 14, 15.
  • Each state module 12, 13 is connected to different sensors 16 - 19 placed on the vehicle, detectors whose function is to collect the overall condition of the vehicle.
  • the detector 16 indicates that an opening of the vehicle is doomed.
  • the detector 17 indicates that a door is open, etc.
  • the state modules 12, 13 are able to globally determine the state of the vehicle with regard to the relevant criteria for triggering an action corresponding to the requests of the user.
  • the role of the module interpretation 14 is to ensure that, seen by the control means 11, the detection zone 6 always provides a true signal when the predetermined conditions are verified by the state module.
  • an OR gate 20 as shown in FIG. figure 4 , gives satisfaction.
  • the signal reaching the control means 11 is false systematically when the corresponding predetermined conditions are satisfied, even if the detection area outputs a true signal.
  • NOR gate is placed at the output of the state control module and an AND gate 22 following this NO gate for combining this output with the signal of the sensor, in order to supply the control means 11 with a signal which is the of the sensor when the predetermined conditions are not met and which is always false when these conditions are met.
  • control means can also be modified in their organization, for example by installing control shunts so as to ignore the reading of the detection zone when the corresponding predetermined conditions are met.
  • the treatment method according to the invention can for example be implemented if the external tactile detection zone 7 corresponds to a manual locking command of the vehicle openings and the inner approach detection zone 6 is used to ensure the unlocking the lock, the release of the lock allowing the opening of the door and the deactivation of the alarm.
  • the state modules 12, 13 and the interpretation modules 14, 15 are preferably integrated in the handle so that the treatment method according to the invention takes place inside the handle and that the handle is seen by the vehicle control means as a member delivering clear locking and unlocking signals, in that the control means no longer have to discriminate between different requests for possible action formed by the user.
  • figure 6 an example of a succession of steps of the treatment method that can be implemented in the handle.
  • a detection signal following an activation of the detection zone 6 is perceived by the interpretation module.
  • the interpretation module interrogates the state module 12, which, during a step 32, interrogates the different detectors 16-19 placed on the vehicle and, in the next step 33 , provides the state module 14 with globalized environment information.
  • a next step 34, executed in the interpretation module 14, consists of a test of the received environmental information.
  • the interpretation module 14 triggers, during a step 35, a countdown of a predetermined time.
  • a test of the detection zone 6 is again performed to find out if the detection signal is still present.
  • step 37 the method continues to run by a test, corresponding to step 37, during which a switch present on the handle (switch not shown on the Figures 1 and 2 ) is scrutinized. If it is found that the switch has switched before the expiration of the predetermined time, the process stops and no signal is output to the control means.
  • the method proceeds to a next step 38 during which it is tested whether the predetermined delay has elapsed so as to loop on the test of step 36, or to leave the loop for delivering to the control means 11 a locking signal.
  • control means receive a directly executable locking signal.
  • a door handle 40 which is mounted on the outer part of an opening 41 of a motor vehicle, is equipped with an optical approach sensor 42 capable of transmitting and receiving an optical beam 43.
  • This optical sensor 42 is electrically connected to a hands-free access recognition device 44 so as to transmit a characteristic electrical signal thereto when it detects a break in the optical beam.
  • the transmitter and the optical receiver of the approach sensor 42 are mounted in the handle and the optical beam 43 is emitted from the handle in the direction of the opening 41 and reflected by it to the handle so that it is cut when the hand of a user of the vehicle is engaged in the handle, which is detected by the recognition device 44.
  • the recognition device is installed inside the vehicle as is known and is suitable for communicate with a portable identification device worn by the user of the vehicle.
  • the door handle is provided for example with a two-position switch 46 which changes position when the handle is moved from a so-called rest position released to an engaged position when it is maneuvered, which allows the opening of the door of the vehicle.
  • a two-position switch 46 which changes position when the handle is moved from a so-called rest position released to an engaged position when it is maneuvered, which allows the opening of the door of the vehicle.
  • the relaxed position of the handle is indicated on the switch 46 by 47 and the engaged position of the handle is indicated by 48.
  • This switch is connected to the recognition device 44 to provide a signal representative of the change of position of the switch and therefore the handle.
  • the handle switch one could consider a two-position open (inner) door switch that changes position when the door is moved from the closed position to the open position or vice versa.
  • FIG 8 which is a representation of signals 51 and 52 respectively emitted by the switch 46 and by the approach sensor 42 in the direction of the recognition device, it has been represented the corresponding evolution in time of the state 53 of the opening the vehicle which will preferably be the driver's door of the vehicle.
  • the opening is unlocked.
  • the handle is in a relaxed state: the electrical signal 51 indicates that the switch 46 is in the position 47.
  • the device recognition 44 verifies that the switch 46 remains in the position 47 (the handle remaining released), which is indicated by the signal 51, for a duration ⁇ t which is prerecorded (of the order of 2 seconds) counted from the detection change of state of the switch 46. If the recognition device does not detect a change of state of the switch 46 during the time ⁇ t, it controls the locking of the opening of the vehicle after the duration ⁇ t.
  • the locking of the opening of the vehicle is controlled as soon as the optical beam is no longer cut, which is detected by a change of the signal 52.
  • that of the figure 9 helps make the hands-free access system more responsive. Indeed, in the case of figure 9 , the opening can be locked in a shorter time than ⁇ t. But in this mode of implementation, it is still necessary to monitor the switch 46 after detecting that the beam is no longer cut.
  • the switch 46 changes position (the handle for example is engaged), it is necessary to control the unlocking of the opening of the vehicle upon detection of the change of position of the switch since it is then a situation where the user wants to open the opening of the vehicle.
  • the implementation of the process according to figure 8 can be adapted to introduce a delay ⁇ t intended to avoid instabilities of the type of locking and unlocking sequence when the user moves his hand in the handle.
  • the recognition device 44 may perform an attempt to authenticate an organ identification 49, so as to further condition the locking of the vehicle to the authentication of the identification member 49.
  • the authentication can be completed advantageously by a location of the identification member 49 so that the command locking of the opening is triggered only if the identification member 49 authenticated by the recognition device 44 is outside the vehicle.
  • the locking of the opening is conventionally done on detection of the cutting of the optical beam 43 and the change of position of the handle 40 (which is operated) which is indicated by a change of the signal 52.
  • the method according to the invention makes it possible to lock and unlock automatically a vehicle opening using a hands-free access system equipped with an approach sensor and a two-position switch.

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Claims (24)

  1. Verfahren zur Verarbeitung von Erfassungssignalen, die von mindestens einer auf einem Kraftfahrzeug angeordneten Erfassungszone (6, 7, 42) kommen, das darin besteht, nach dem Empfang der Erfassungssignale (52) für einen Zustand, in dem sich das Fahrzeug befindet, charakteristische Umgebungsinformationen zu berücksichtigen, und das empfangene Signal in Abhängigkeit von diesen Umgebungsinformationen zu interpretieren, um ein Betätigungssignal zu liefern, das für zum Kraftfahrzeug gehörende Steuereinrichtungen bestimmt ist,
    bei dem, wenn die Umgebungsinformationen vorbestimmte Bedingungen erfüllen, das Signal als zu ignorieren interpretiert wird,
    bei dem mindestens ein Zustandsmodul (12, 13) Umgebungsinformationen berücksichtigen kann, und mindestens ein Signalinterpretationsmodul (14, 15) ein Betätigungssignal liefert, das von den Umgebungsinformationen abhängt, wobei die Signale direkt von den Steuereinrichtungen verwendet werden können,
    dadurch gekennzeichnet, dass
    die Umgebungsinformationen den Verriegelungszustand der Türen (41) des Fahrzeugs betreffen,
    und dass das Zustandsmodul (12, 13) und das Interpretationsmodul (14, 15) Teil einer Verarbeitungsvorrichtung sind, die mit der Erfassungszone (6, 7, 42) Teil eines Handgriffs (1) einer Kraftfahrzeugtür ist.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei Empfang des Erfassungssignals nicht nur Umgebungsinformationen, sondern auch mit dem empfangenen Erfassungssignal (52) verbundene zeitliche Informationen berücksichtigt werden.
  3. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass, wenn die Umgebungsinformationen vorbestimmte Bedingungen erfüllen, das Erfassungssignal (52) als Befehl zur Überprüfung der Identität einer Person, deren Aktion erfasst wird, interpretiert wird.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass eine der vorbestimmten Bedingungen ist, dass mindestens eine Tür des Fahrzeugs verriegelt oder entriegelt ist.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass auf den Befehl zur Identitätsüberprüfung ein Entriegelungs- oder Verriegelungsbefehl folgt.
  6. Verfahren nach den Ansprüchen 2 und 5, dadurch gekennzeichnet, dass die zeitlichen Informationen verwendet werden, um das empfangene Signal entweder als Entriegelungs- oder als Verriegelungsbefehl einer einzigen Tür oder als Entriegelungs- oder als Verriegelungsbefehl aller Türen des Fahrzeugs zu interpretieren.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass als mit dem empfangenen Erfassungssignal verbundene zeitliche Information die Dauer dieses Signals gewählt wird, wobei ein Signal kurzer Dauer zum Beispiel der Entriegelung einer der Erfassungszone (6, 7, 42) zugeordneten Tür entspricht, während ein Signal langer Dauer zum Beispiel der Entriegelung aller Türen entspricht.
  8. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass als mit dem empfangenen Erfassungssignal verbundene zeitliche Information die Zeitverzögerung zwischen dem Beginn des empfangenen Erfassungssignals und der Positionsänderung eines Schalters (46) gewählt wird.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der Schalter (46) mit einem Handgriff (40) zur Öffnung der zugeordneten Tür (41) verbunden ist, wobei der Schalter (46) seine Position ändert, wenn der Handgriff (40) betätigt oder losgelassen wird.
  10. Verfahren nach Anspruch 9, bei dem die Tür (41) anfangs verriegelt ist, dadurch gekennzeichnet, dass die Tür (41) alleine entriegelt wird, wenn die Zeitverzögerung geringer als eine vorbestimmte Dauer ist, während alle Türen (41) entriegelt werden, wenn die Zeitverzögerung die vorbestimmte Dauer erreicht.
  11. Verfahren nach Anspruch 9, bei dem die Tür anfangs entriegelt ist, dadurch gekennzeichnet, dass die Tür (41) verriegelt wird, wenn die Zeitverzögerung größer als eine vorbestimmte Dauer (At) ist.
  12. Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Erfassungssignale von mindestens zwei unabhängigen Erfassungszonen (6, 7) kommen, die auf dem Kraftfahrzeug angeordnet sind, wobei jede der Erfassungszonen (6, 7) ihr eigenes Erfassungssignal liefern kann.
  13. Verfahren nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Erfassungszone(n) (6, 7) mit einem Werkstoff verkleidet sind, der ihren einwandfreien Betrieb stören kann.
  14. Verfahren nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass das Signal der Erfassungszone (6, 7) ignoriert wird, indem Einrichtungen zum Lesen des Signals der Erfassungszone gesperrt werden.
  15. Verfahren nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass das Signal der Erfassungszone (6, 7) ignoriert wird, indem das Signal durch ein konstantes Signal eines echten booleschen Werts ersetzt wird.
  16. Verfahren nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass das Signal der Erfassungszone (6, 7) ignoriert wird, indem das Ergebnis jeder an diesem Signal durchgeführten Überwachung, d.h. sowohl die Erfassungsüberwachungen als auch die Überwachungen fehlender Erfassung, durch den echten booleschen Wert ersetzt wird.
  17. Handgriff einer Kraftfahrzeugtür, der eine Erfassungszone und eine Verarbeitungsvorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 16 aufweist, bei dem die Verarbeitungsvorrichtung aus Verarbeitungseinrichtungen (10) besteht, die mindestens ein Zustandsmodul (12, 13), das den Verriegelungszustand der Türen (41) des Fahrzeugs betreffende Umgebungsinformationen berücksichtigen kann, sowie mindestens ein Interpretationsmodul (14, 15) von Signalen enthalten, wobei das Interpretationsmodul ein Betätigungssignal liefert, das von den Umgebungsinformationen abhängt, die den Verriegelungszustand der Türen (41) des Fahrzeugs betreffen und direkt von Steuereinrichtungen genutzt werden können.
  18. Handgriff nach Anspruch 17, dadurch gekennzeichnet, dass die Verarbeitungsvorrichtung (10) außerdem Einrichtungen zur Messung der Dauer aufweist, die eine mit dem empfangenen Erfassungssignal verbundene Information liefern.
  19. Handgriff nach einem der Ansprüche 17 und 18, dadurch gekennzeichnet, dass die Verarbeitungsvorrichtung (10) außerdem Einrichtungen zur Überprüfung vorbestimmter Bedingungen aufweist.
  20. Handgriff nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass das Interpretationsmodul (14) direkt hinter einem Sensor (42) angeordnet ist und aus einem ODER-Glied (20) besteht, das am Eingang einerseits die Signale des Sensors und andererseits das vom Zustandsmodul (12) gelieferte Ergebnis der Überprüfung der Bedingungen akzeptiert.
  21. Handgriff nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass das Interpretationsmodul (15) direkt hinter einem Sensor (42) angeordnet ist und aus einem NEIN-Glied (21) am Ausgang des Zustandsüberwachungsmoduls (13) und einem UND-Glied (22) besteht, das diesen Ausgang mit dem Signal des Sensors (42) kombiniert.
  22. Handgriff nach einem der Ansprüche 17 bis 19, dadurch gekennzeichnet, dass das Interpretationsmodul (14) direkt hinter jedem Erfassungsüberwachungsmodul (6, 7, 42) angeordnet ist, und dass es aus einem ODER-Glied besteht, das das Ergebnis der Erfassungsüberwachung mit dem Ergebnis der Überprüfung vorbestimmter Bedingungen kombiniert.
  23. Handgriff nach einem der Ansprüche 17 bis 22, dadurch gekennzeichnet, dass die Erfassungszone (6, 7, 42) auf eine Änderung des elektrischen oder elektromagnetischen Felds oder auf eine Unterbrechung eines Lichtstrahls anspricht.
  24. Handgriff nach einem der Ansprüche 17 bis 23, dadurch gekennzeichnet, dass die Erfassungszone (6, 7, 42) so auf dem Handgriff (1, 41) angeordnet ist, dass das elektrische oder elektromagnetische Umgebungsfeld gestört wird oder der optische Strahl unterbrochen wird, wenn eine Hand sich auf dem Handgriff (1, 41) befindet.
EP01969688A 2000-09-05 2001-09-04 Verfahren zur detektionssignalverarbeitung für ein kraftfahrzeug Expired - Lifetime EP1328907B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0011299 2000-09-05
FR0011299A FR2813630B1 (fr) 2000-09-05 2000-09-05 Procede pour verrouiller automatiquement un ouvrant de vehicule a l'aide d'un systeme d'acces mains libres et d'un capteur d'approche
FR0108901A FR2827064B1 (fr) 2001-07-04 2001-07-04 Procede de traitement de signaux de detection provenant d'au moins une zone de detection d'un vehicule automobile, dispositif pour mettre en oeuvre ce procede et poignee de vehicule automobile
FR0108901 2001-07-04
PCT/EP2001/010167 WO2002021455A1 (fr) 2000-09-05 2001-09-04 Procede de traitement de signaux de detection pour un vehicule automobile

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EP1328907A1 EP1328907A1 (de) 2003-07-23
EP1328907B1 true EP1328907B1 (de) 2010-06-23

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JP4003453B2 (ja) 2001-12-26 2007-11-07 アイシン精機株式会社 人体検出装置
DE10300572A1 (de) * 2003-01-10 2004-07-22 Daimlerchrysler Ag Türgriff und Schließsystem für eine Fahrzeugtür
JP2004232300A (ja) * 2003-01-29 2004-08-19 Aisin Seiki Co Ltd アウトサイドハンドル装置
FR2853346B1 (fr) * 2003-04-01 2005-06-24 Peugeot Citroen Automobiles Sa Procede de limitation d'un effet de rebond d'un dispositif de verrouillage et de deverrouillage d'une serrure d'une porte d'un vehicule automobile
US7026861B2 (en) * 2003-04-22 2006-04-11 Touchsensor Technologies Llc Electronic door latch system with water rejection filtering
DE10341402A1 (de) * 2003-09-05 2005-04-07 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeug-Türschließsystem und Türinnengriff
DE102004019571B4 (de) * 2004-04-22 2006-02-23 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zum Betätigen einer elektrischen oder mechanischen Schließeinrichtung an einer Tür und/oder einer Klappe eines Fahrzeugs
DE202004017179U1 (de) * 2004-11-03 2006-03-16 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeugschließsystem
US9022436B2 (en) 2011-05-05 2015-05-05 GM Global Technology Operations LLC Actuator arrangement for a vehicle door latch
US10704315B2 (en) * 2018-06-12 2020-07-07 GM Global Technology Operations LLC Presenting door open sensors

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US5973611A (en) * 1995-03-27 1999-10-26 Ut Automotive Dearborn, Inc. Hands-free remote entry system
DE19617038C2 (de) * 1996-04-27 2000-11-30 Huf Huelsbeck & Fuerst Gmbh Schließsystem, insbesondere für Kraftfahrzeuge
JPH1079986A (ja) * 1996-09-04 1998-03-24 Tokai Rika Co Ltd 車両用負荷の制御装置
DE19710476A1 (de) * 1997-03-13 1998-09-17 Siemens Ag Verfahren zum selektiven und globalen Öffnen von Kraftfahrzeugen
ES2214737T3 (es) * 1997-10-14 2004-09-16 HUF HULSBECK & FURST GMBH & CO. KG Dispositivo de cierre, en especial para vehiculos de motor.
JP3591761B2 (ja) * 1998-07-06 2004-11-24 アイシン精機株式会社 遠隔制御装置

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JP2004520497A (ja) 2004-07-08
WO2002021455A9 (fr) 2003-03-20
JP4783543B2 (ja) 2011-09-28
WO2002021455A1 (fr) 2002-03-14
EP1328907A1 (de) 2003-07-23

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