EP1645710A1 - Lève-vitre et dispositif de commande d'un lève-vitre - Google Patents

Lève-vitre et dispositif de commande d'un lève-vitre Download PDF

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Publication number
EP1645710A1
EP1645710A1 EP04023868A EP04023868A EP1645710A1 EP 1645710 A1 EP1645710 A1 EP 1645710A1 EP 04023868 A EP04023868 A EP 04023868A EP 04023868 A EP04023868 A EP 04023868A EP 1645710 A1 EP1645710 A1 EP 1645710A1
Authority
EP
European Patent Office
Prior art keywords
window
drive
control device
window pane
motor
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.)
Withdrawn
Application number
EP04023868A
Other languages
German (de)
English (en)
Inventor
Roland Kalb
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE and Co KG
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 Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Priority to EP04023868A priority Critical patent/EP1645710A1/fr
Publication of EP1645710A1 publication Critical patent/EP1645710A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
    • E05F15/695—Control circuits therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/55—Windows

Definitions

  • the invention relates to a window and a control device of a window regulator.
  • Self-locking drives are understood to mean drives which are assigned either a "locking device causing self-locking" or in which the drive motor and / or a gearbox connected to the drive motor have such high internal friction that a position set with the drive Window pane, in particular the window closing position of the window pane, remains fixed even after switching off the drive by the drive, d. h., That the window lifter at output side load - so contrary to the drive direction of the drive - behaves like a locking device.
  • the drive motor has a rotor which can be moved axially.
  • the rotor When switching off the drive current for the drive motor, the rotor is brought into a locking position, whereby the drive motor and thus the drive is disabled altogether.
  • a self-locking of the drive can be achieved beyond or alternatively, for example, by a separate locking device, by a self-locking gear that is connected to the drive motor, or by a self-locking due to internal friction drive motor.
  • a drive device for a window of a motor vehicle is known in which the drive motor has no self-locking. Relays are used to energize the motor as much as possible so that the disc is pressed into the movement end positions. The relays allow the motor to be switched on or off.
  • the invention has for its object to provide a control device, a window and a method of control, which improve the fixation as possible.
  • a control device of a window regulator has a power semiconductor for controlling a motor current of a motor of the window regulator.
  • a power semiconductor is, for example, a MOSFET power transistor.
  • the control device of the window lifter has at least one wakeable input, which is connected to at least one connection of the motor and designed such that a generator voltage delivered by the motor during generator operation causes a wake-up from a sleep mode into an operating mode.
  • it is provided in the sleep mode that the power consumption of the control device is low and advantageously less than 1 mA.
  • the motor operates in generator mode when a voltage is induced in the motor coils by a relative movement to permanent magnets of the motor.
  • the motor is not energized and a rotation of the shaft of the motor is caused by a force acting on the part to be adjusted force.
  • control device has a control means for controlling the motor current.
  • the control is possible in the operating mode, wherein the operating mode is dependent on a wake-up from the sleep mode.
  • the input of the control device is a wake-up analog input.
  • the at least one woken-up input has a threshold value switch, preferably a window comparator.
  • the threshold value is adapted to a generator voltage, which is associated with slow movements of the motor shaft.
  • An advantageous embodiment of the invention provides that two wakeable inputs for determining a differential voltage are each connected to a terminal of the motor.
  • the differential voltage is dependent on the generator voltage, which is generated at least for movements of the window in the direction "sinks".
  • a bridge circuit for controlling the direction of the motor current is provided, wherein the bridge circuit is controlled in the sleep mode by the control means such that at least one connected to the at least one arable input port of the engine is switched high impedance.
  • Switching high impedance is understood to mean that no current that significantly influences the generator voltage flows in particular after the supply connection or to ground. High-impedance switching also prevents the generator voltage from being short-circuited.
  • the power semiconductor is a component of the bridge circuit in that the bridge circuit consists of, for example, four MOSFET power transistors, it is preferably provided that the separate power semiconductor is connected in series with the bridge circuit.
  • the bridge circuit may in this case have two individual relays or a double relay. Due to the bridge circuit, the motor is therefore not short-circuited in sleep mode. The non-driven power semiconductor prevents current flow through the bridge circuit.
  • control means is arranged to control the motor current in response to movements of a shaft of the motor or other adjustable part of the window regulator. This aspect is advantageously to combine with the function of waking depending on the generator voltage of the motor.
  • a sensor means for determining an actual position of a window pane of the window lifter.
  • the control means for controlling a position of the window pane is designed and set up as a function of the actual position and a setpoint position, wherein in the control loop the motor current is preferably controllable by means of a pulse-width-modulated signal as the manipulated variable.
  • a control loop which provides a reference position as a reference variable, which has been stored as a closed position, for example, from a preceding adjustment event.
  • the position determined immediately upon waking up can also be used as the target position.
  • a controller of the control loop for example, a P, I, or PID controller can be used, which can also be implemented as software.
  • the manipulated variable used is the pulse-width-modulated signal which, depending on the duty cycle, supplies the motor with electrical energy via the power semiconductor.
  • a disturbance variable of the control loop is a force acting on the window pane in the direction of "lowering".
  • the control variable is the actual position which is preferably measured on the drive shaft, wherein the measurement signal is the feedback variable of the control loop.
  • a preferred development of the invention provides that by means of the sensor means a position and / or movement of a motor mechanically coupled to the window shaft of the motor can be determined, wherein the sensor means preferably comprises a ring magnet arranged on the shaft and a Hall sensor.
  • control means is set up in the operating mode to apply a permanent drive current to the drive motor. This is particularly advantageous when the drive current through a. Power generator is generated while driving the motor vehicle and therefore a change to the sleep mode is not required.
  • a further aspect of the invention is that the control device acts on the drive motor with a current strength suitable for holding the respective position of the window pane. This current prevents a continuous lowering of the windowpane.
  • the current can be set to one set the intended value.
  • a speed control of the drive motor can be realized, so that a uniform or constant raising and lowering speed can be adjusted.
  • the window panes of vehicles are usually guided in window guiding devices or in a window frame in order to ensure a secure hold for the window panes.
  • these window guiding devices already have such great friction that the window pane remains fixed in the window guiding device even when the drive of the window lifter is switched off.
  • additional securing of the position or additional fixing of the window pane is necessary in order to move the window pane in its respective position, in particular in the case of a drive or with an "external" force acting on the window pane from outside, for example during a break-in attempt completely closed position, hold.
  • means are provided according to the invention, for example, even with an at least partial relaxation of the window lifter, the position of the window, especially in the upper end position hold.
  • These means may preferably be formed by a control device which monitors the position of the window pane and holds the position of the window pane after the drive motor has been switched off.
  • the control device can be connected, for example, to an optionally separate sensor which directly or immediately detects the position-be it each position of the window pane and / or only the upper end position of the window pane-and a signal directly indicating the position of the window pane to the control device emits. Such a sensor then performs a direct or direct position measurement.
  • control device may be connected to a sensor which detects the position of the window pane - be it each position of the window pane and / or only the upper end position of the window pane - only indirectly or indirectly and emits a signal to the control unit, from which the Derive the position of the window pane.
  • a sensor then performs an indirect or indirect position measurement.
  • An indirect position measurement can take place, for example, by monitoring the rotations on the drive or motor shaft and deriving the position or a change in position of the window pane from the rotation signals.
  • the control device is preferably configured such that it generates a lifting signal triggering a lifting of the window pane, if the window pane lowers without driving beyond a predetermined extent. Under a non-powered lowering is understood that the window pane lowers without the presence of a corresponding Absenksignals or without a corresponding control of the window regulator drive.
  • control device can be designed such that it acts on the drive motor with a permanent, "holding current", which is sufficient to hold the position of the window exactly.
  • a holding current can be set, for example, by first setting a current ramp or a ramp-shaped current rise through the drive motor and maintaining the current as soon as a "standstill" of the window pane is detected.
  • control device may be configured such that it first generates a lifting signal triggering the lifting of the window pane, if the window has lowered beyond a predetermined amount without driving, and then applied to the drive motor with a holding current, which is used to hold the position of the window pane exactly enough. Such a control device then combines the two drive variants described above.
  • the predetermined amount is selected such that the lifting signal is generated even before the window pane - starting from the closed state - releases the upper part of the window frame or a sealing grip when lowered.
  • the control device In order to ensure that the control device consumes as little power as possible, it has a so-called “sleep mode” in which it is shut down. In the sleep mode, the control device is always offset when the vehicle is stopped or the vehicle engine is turned off and a power supply of the control device can thus be done exclusively via the vehicle battery. In order to enable a wake-up of the control device, this is preferably in communication with the drive motor of the window regulator. If, during a lowering of the window pane, the drive motor is "rotated”, the drive motor operates as a generator and generates a Output voltage or generator voltage, which is used to wake up the controller. After an "active switching" of the controller, this then accesses again power to the electrical system, ie to power the vehicle battery, back.
  • the window regulator has a anti-trap device that shuts off the drive when an object or a body part is clamped when lifting the window.
  • the window regulator according to the invention has a particularly high reliability and safety due to its non-self-locking drive.
  • Anti-pinching devices usually monitor the speed when lifting the window; The speed is thereby determined by monitoring the rotational speed of the drive motor. If it now comes to a pinching of a body part or an object through the window, the lifting speed of the window will briefly drop slightly, which is detected by the anti-trap device. In other words, the detection of pinching by the anti-pinch device is based on detecting "disturbances" when lifting the windowpane.
  • the control device has at least two operating modes for lifting the window pane, namely a maximum force operating mode in which the drive motor is subjected to a maximum motor current, and at least one normal force operating mode, in which the window pane is acted upon by a drive current which is smaller than the maximum current.
  • the normal force mode can preferably be used to counteract a slow lowering of the window; For example, a slow lowering of the windowpane may occur when the windowpane is released from its windowpane guide when traveling on an uneven path.
  • the maximum force mode of operation can preferably be used to prevent a break-in attempt in which a lowering of the window pane is to be forced from the outside.
  • the drive current can preferably be increased in a ramp; the slope of the ramp is then adjusted depending on the particular mode.
  • the control device preferably has a sensor monitoring the drive. With such a sensor, the control device can then determine whether the window pane "unintentionally" - ie without the presence of a corresponding Ansonksignals - lowers.
  • the control device is preferably connected to an acceleration sensor, which measures the vertical acceleration, ie the acceleration in the vehicle z direction. Depending on the vertical acceleration values, the control device then determines with which ramp steepness the current through the output motor is to be increased. In this case, the control device preferably selects a steeper current increase, the larger the vertical acceleration values are.
  • the window lifter is dimensioned such that the force sum from the maximum engine power and from the internal friction force of the window lifter reaches at least one predetermined with respect to theft or burglary protection requirements minimum force.
  • Such a dimensioning of the window lifter ensures that burglaries are reliably prevented by an externally forced lowering of the window pane.
  • an anti-burglary protection can also be achieved in that the window regulator is provided with a guide rail, in which engages a blocking element connected to the window pane, when the window pane lowers without a corresponding control of the drive motor.
  • a guide rail in which engages a blocking element connected to the window pane, when the window pane lowers without a corresponding control of the drive motor.
  • the invention further relates to a method for driving a window regulator, which has a non-self-locking drive.
  • the position of the window pane is constantly monitored and a lifting signal for the drive of the window regulator is generated if the window pane lowers without the presence of a lowering signal.
  • FIG. 1 shows a motor vehicle door 1, which is equipped with a window pane 2 and a window lifter 3.
  • the window lifter 3 is an example of a cable window lifter.
  • an arrow 4 indicates an introduction of force from the outside, by means of which the window pane 2 is to be forcibly opened in the course of a burglary or theft attempt.
  • Such an introduction of force can take place, for example, with a lowering force of up to 500 N.
  • FIG. 2 shows a block diagram representing the drive control of the window lifter 3 according to FIG.
  • Recognizable is a control device 31, which is connected on the input side to a sensor system 32.
  • a drive motor 33 is connected to the control device 31 via a control line 327.
  • the drive motor 33 may, for example, have a gearbox via which it raises or lowers the window pane 2 according to FIG.
  • the sensor system 32 has a ring magnet 321 which cooperates with two Hall sensors 322 and 323.
  • the ring magnet 321 is divided into sectors 324 having different magnetic polarities. If the ring magnet 321 is rotated about its axis of rotation 325, the individual sectors 324 are guided past the Hall sensors 322 and 323; in this passing of the magnetic sectors 324, electrical voltages are induced in the Hall sensors 322 and 323, which are transmitted to the control device 31 via signal lines 326 as Hall sensor signals S1 and S2.
  • the control device 31 evaluates the Hall sensor signals S1 and S2 with regard to their edge change F (FIG. 3).
  • the order in which the two Hall sensor signals S1 or S2 have an edge change indicates the direction of rotation of the ring magnet 321 about the rotation axis 325. By evaluating the direction of rotation of the ring magnet 321 can thus determine whether the window pane 2 is raised or lowered.
  • the motor shaft of the drive motor 33 rotates once about its axis.
  • control device 31 If the control device 31 now determines that the window pane is descending without the drive motor 33 being operated accordingly, the control device 31 activates the drive motor 33 and controls it in such a way that it raises the window pane 2.
  • the type of control of the drive motor 33 by the control device 31 can be carried out in various ways; because the control device 31 has at least two different operating modes, namely a maximum force mode and at least one normal force mode.
  • the drive motor 33 In the maximum force mode, the drive motor 33 is acted upon by the control device 31 with maximum motor current, so that the drive motor 33 exerts a maximum drive force on the window pane 2.
  • the current ramp when increasing the drive current thus has a maximum increase in the maximum force mode.
  • the drive motor 33 In the normal force mode, the drive motor 33, however, is acted upon by the control device 31 only with as much current as is required for lifting the window pane 2; For this purpose, the drive current for the drive motor 33 is increased, for example, until, with the Hall sensors 322 and 323, a corresponding lifting of the window pane 2 is detected.
  • the current ramp when increasing the drive current is relatively flat in the normal force mode.
  • the drive motor 33 may be energized by the controller 31 with as little power as required to hold the window glass 2 in the respective position; For this purpose, the drive current for the drive motor 33 is increased until a corresponding "position holding" of the window pane 2 is detected with the Hall sensors 322 and 323.
  • control device 31 may also have other "preprogrammed" current ramps or “preprogrammed” current curves, with which the drive motor 33 can be acted upon; Depending on the respective "lowering position" of the window pane determined by the sensor system 32, the control device 31 then selects the respectively suitable ramp course; In this case, the control device will select an even steeper ramp course, the faster the window pane lowers and / or the greater a vertical vehicle acceleration measured with an acceleration sensor (not shown in FIG. 2).
  • the selection of the operating mode ie the decision as to whether the maximum force mode or one of the normal force modes is selected, the controller 31 - as already mentioned - for example u. a. depending on the lowering speed of the window pane 2;
  • the control device 31 evaluates the pulse frequency of the Hall sensor signals S1 and S2. Namely, the pulse frequency of the Hall sensor signals S1 and S2 indicates the rotational speed at which the ring magnet 321 in communication with the drive motor 33 is rotated when the window glass is lowered. The greater the pulse frequency of the Hall sensor signals S1 and S2, the greater the lowering speed of the window pane 2.
  • the controller 31 controls the drive motor 33 in the maximum force mode in which the drive motor 33 wants to return the window glass 2 to the closed state with maximum engine power.
  • the maximum force mode may also be used to prevent forcible depression of the windowpane;
  • the maximum force mode can also be an anti-burglary mode, as it were.
  • the control device 31 determines that the window pane 2 moves downward only with a low lowering speed when evaluating the pulse frequency of the Hall sensor signals S1 and S2, it controls the drive motor 33 only with the one for lifting or holding the window pane 2 required drive current.
  • the force generated by the drive motor 33 is thus only as large as is absolutely necessary for lifting or holding the window pane 2.
  • the successful lifting or holding of the window pane 2 by the drive motor 33 is monitored by evaluating the Hall sensor signals S1 and S2 by the control device 31.
  • control device 33 is designed such that it checks permanently or at regular time intervals, whether the drive motor must continue to be supplied with drive current. For example, when driving over an uneven road, it may happen that the window pane comes loose and moves downwards, so that a "countersteering" by the drive motor 33 is required. Should the controller then determine that - for example, because the vehicle Now again driving on a flat road - the window is held again by the friction in the window guide, it will reduce the drive current or switch off.
  • control device will reduce or switch off the drive current again if, in the case of a maximum force operation-for example, to avert a break-in attempt-it ascertains that the maximum drive current is no longer required, eg. B., because the burglary attempt was abandoned and no external force acting on the window more.
  • the controller will always try to reduce or shut off the drive current as soon as circumstances allow to avoid unnecessary power consumption by the window regulator.
  • a "power-saving mode” is particularly advantageous when the vehicle engine is switched off, that is to say when the drive current for the drive motor has to be supplied by the vehicle battery in order to prevent the window lifter from discharging the vehicle battery.
  • the window lifter 3 according to FIG. 1 has an additional burglar alarm.
  • This burglar alarm is formed by an existing in the window 3 guide rail into which engages a connected to the window pane blocking element as soon as the window pane 2 is lowered in the non-powered state beyond a predetermined limit.
  • the operation of this additional, formed by the guide rail and the blocking element burglar alarm is described in detail in connection with German Patent DE 196 54 851 C1, so that reference should be made to this document with respect to the operation of this device.
  • the drive motor 33 is dimensioned such that the force sum of the maximum engine power of the drive motor 33 and the internal friction force of the window lifter - ie the internal friction force of the drive motor 33 and the other drive mechanism including optionally gear - at least this force of 500 N. reached.
  • Fig. 4 is a circuit diagram of a control device according to the invention is shown schematically. Symbolically represented is a mechanically commutating electric motor M with the two terminals 1 and 2. The two terminals 1 and 2 are connected via the resistors R3 and R4 to the aakable analog inputs I a1 , and I a2 a microcontroller ⁇ C. The current direction of the motor current through the motor M is formed by the bridge circuit of the relays' RI 1 and RI 2 . These are connected on the one hand to the battery voltage connection U B (KI.30) and on the other hand to the power field effect transistor T1.
  • Both the relays RI1 and RI2 and the power field effect transistor T1 can be driven by driver outputs D 1 , D 2 and D M of the microcontroller ⁇ C in the operating mode.
  • the microcontroller .mu.C has a bus interface CAN in the form of a CAN bus node, which enables the microcontroller .mu.C to activate the alarm system of the motor vehicle.
  • the switching contact of the relay RI 2 at supply voltage potential U B and the switching contact of the relay RI 1 is located on the high-ohmic contact which is connected to the drain terminal of the power field effect transistor T1.
  • the power field effect transistor T1 is not driven in sleep mode and thus not conductive.
  • the terminals 1 and 2 of the motor M are not short-circuited, so that rotation of the armature shaft of the motor M generates a generator voltage that wakes the microcontroller ⁇ C.

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  • Power-Operated Mechanisms For Wings (AREA)
EP04023868A 2004-10-07 2004-10-07 Lève-vitre et dispositif de commande d'un lève-vitre Withdrawn EP1645710A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04023868A EP1645710A1 (fr) 2004-10-07 2004-10-07 Lève-vitre et dispositif de commande d'un lève-vitre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04023868A EP1645710A1 (fr) 2004-10-07 2004-10-07 Lève-vitre et dispositif de commande d'un lève-vitre

Publications (1)

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EP1645710A1 true EP1645710A1 (fr) 2006-04-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108541289A (zh) * 2016-02-05 2018-09-14 株式会社电装 开闭驱动装置
WO2020084068A1 (fr) 2018-10-26 2020-04-30 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Procédé pour faire fonctionner un ensemble à ouvrant motorisé d'un véhicule automobile
CN113090151A (zh) * 2021-04-02 2021-07-09 武汉理工大学 一种电动玻璃升降器防夹方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026723A (en) * 1978-01-25 1980-02-06 Tekron Patents Ltd Circuits for Electric Window Winders for Vehicles
EP0504153A1 (fr) * 1989-12-16 1992-09-23 Bosch Gmbh Robert Mecanisme de commande pour elements mobiles.
DE4302143A1 (de) 1993-01-27 1994-07-28 Brose Fahrzeugteile Elektromotor und Verfahren zum Betreiben des Elektromotors
US5483135A (en) * 1994-06-06 1996-01-09 Ford Motor Company Adaptive system and method for controlling vehicle window operation
DE19654851C1 (de) * 1996-12-30 1998-06-10 Brose Fahrzeugteile Seilfensterheber mit einer Führungsschiene

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026723A (en) * 1978-01-25 1980-02-06 Tekron Patents Ltd Circuits for Electric Window Winders for Vehicles
EP0504153A1 (fr) * 1989-12-16 1992-09-23 Bosch Gmbh Robert Mecanisme de commande pour elements mobiles.
EP0504153B1 (fr) 1989-12-16 1994-08-24 Robert Bosch Gmbh Mecanisme de commande pour elements mobiles
DE4302143A1 (de) 1993-01-27 1994-07-28 Brose Fahrzeugteile Elektromotor und Verfahren zum Betreiben des Elektromotors
US5483135A (en) * 1994-06-06 1996-01-09 Ford Motor Company Adaptive system and method for controlling vehicle window operation
DE19654851C1 (de) * 1996-12-30 1998-06-10 Brose Fahrzeugteile Seilfensterheber mit einer Führungsschiene

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108541289A (zh) * 2016-02-05 2018-09-14 株式会社电装 开闭驱动装置
US10814702B2 (en) 2016-02-05 2020-10-27 Denso Corporation Opening/closing drive device
WO2020084068A1 (fr) 2018-10-26 2020-04-30 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Procédé pour faire fonctionner un ensemble à ouvrant motorisé d'un véhicule automobile
DE102018126838A1 (de) 2018-10-26 2020-04-30 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Verfahren für den Betrieb einer motorischen Klappenanordnung eines Kraftfahrzeugs
CN113090151A (zh) * 2021-04-02 2021-07-09 武汉理工大学 一种电动玻璃升降器防夹方法

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