CN101983873A - Roof window anti-pinch system and control method thereof - Google Patents

Roof window anti-pinch system and control method thereof Download PDF

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Publication number
CN101983873A
CN101983873A CN2010105602254A CN201010560225A CN101983873A CN 101983873 A CN101983873 A CN 101983873A CN 2010105602254 A CN2010105602254 A CN 2010105602254A CN 201010560225 A CN201010560225 A CN 201010560225A CN 101983873 A CN101983873 A CN 101983873A
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skylight
signal
pinch
module
control
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CN2010105602254A
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Inventor
张家如
李昌武
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Chery Automobile Co Ltd
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SAIC Chery Automobile Co Ltd
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Priority to CN2010105602254A priority Critical patent/CN101983873A/en
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Abstract

The invention relates to a roof window anti-pinch system and a control method thereof, and the roof window anti-pinch system comprises a car body control module, a roof window anti-pinch module and an LIN bus, wherein the car body control module is connected with an entire car CAN bus, the roof window anti-pinch module is connected with the car body control module through the LIN bus for constituting an LIN network, the car body control module is used for removing remote information from the CAN bus and sending a signal to the roof window anti-pinch module through the LIN bus, and the roof window anti-pinch module is used for carrying out the corresponding control after receiving the signal.

Description

A kind of skylight anti-clipping system and control method thereof
Technical field
The present invention relates to automotive power sunroof anti-pinch technical field and vehicle-mounted bus LIN bus control technology field, be specifically related to a kind of skylight anti-clipping system and control method thereof.
Background technology
Along with the development of the automotive technology and the network communications technology, the networking of automobile information communication is an inexorable trend.The variation of automobile information communication has promoted the generation and the development of automobile grading system network.LIN is a kind of simple in structure, flexible configuration, novel low-frequency serial bus with low cost, mainly as the auxiliary network or the subnetwork of high speed buses such as CAN.The occasion not high at bandwidth requirement, that function simple, the real-time requirement is low as the aspects such as control of body electric system, is used the LIN bus, but effective simplification network wire harness, cost-cutting, raising network communication efficient and reliability.LIN is as a kind of excellent performance, cheap new automobile bus, will further promote the enforcement of automobile grading system network architecture and perfect, the development of propelling vehicle technology.
Domestic a lot of vehicles have been equipped power moonroof at present, and roughly be divided into following two kinds: 1. power moonroof has only manually opened closure function, no pinch resistant functionality, none keyset control closure function; 2. power moonroof possesses manually opened closure function, and pinch resistant functionality is arranged, and none keyset control rises window function.The anti-pinching car window module of present domestic employing anti-pinch power moonroof vehicle directly adopts traditional wire harness direct connection mostly.
Its interface block diagram as shown in Figure 1,
This kind mode shortcoming is that used wire harness is too much, and function is not easy to expansion.In addition, present potential safety hazard of anti-pinch skylight ubiquity: promptly after vehicle is flame-out, close the skylight if the car owner forgets, the car owner uses a teleswitch and sets up defences, Body control module BCM thinks and sets up defences successfully on this moment Door Lock, yet the formation potential safety hazard is not closed in the skylight.
Summary of the invention
The object of the present invention is to provide a kind of skylight anti-clipping system and control method thereof, on the anti-pinch module basis of original skylight, improved, adopted control policy based on the LIN bus.The technical matters of solution required for the present invention is, by the LIN bus Body control module and skylight anti-pinch module are coupled together and to form a LIN network, Body control module is the major joint of LIN network, skylight anti-pinch module be the LIN network from node, after car body controller receives switch input signal, car body controller passes through the LIN bus to skylight anti-pinch module transmitting control commands, the control motor turned round after skylight anti-pinch module received control command, and periodically sent skylight state of kinematic motion, skylight position signal etc. by the LIN bus to car body controller.
This skylight anti-clipping system, described system couples together Body control module and skylight anti-pinch module by the LIN bus and forms a LIN network.After car body controller receives the skylight coherent signal; car body controller sends signals such as key gear signal, skylight unlatching close commands, the closed unlatching of collection control by the LIN bus to skylight anti-pinch module; the control motor turned round after skylight anti-pinch module received related command, and periodically sent some fault diagnosis signals such as skylight state of kinematic motion, skylight position signal and motor heat guard signal, motor voltage signal, motor failure signal to car body controller by the LIN bus.
The present invention is improved on the anti-pinch module basis of original skylight, has adopted the control policy based on the LIN bus.
The invention discloses a kind of skylight anti-clipping system, by the LIN bus Body control module and skylight anti-pinch module are coupled together and to form a LIN network, Body control module is the major joint of LIN network, skylight anti-pinch module be the LIN network from node, after BCM receives switch input signal, BCM passes through the LIN bus to skylight anti-pinch module transmitting control commands, the control motor turned round after skylight anti-pinch module received control command, and periodically sent skylight state of kinematic motion, skylight position signal by the LIN bus to BCM.
Gather the state of local master cock as the Body control module of major joint, and accept remote information on the CAN bus, produce control command in view of the above, and be the LIN message with instruction transformation, send to the skylight anti-pinch module of corresponding conduct by the LIN network from node, after node receives the message relevant with oneself message is sealed off, understood, then according to the corresponding actr action of the instruction control that obtains, thereby realization is to the control in corresponding skylight.
Concrete technical scheme is as follows:
A kind of skylight anti-clipping system, comprise Body control module, skylight anti-pinch module and LIN bus, described Body control module and the total wire joint of car load CAN, described skylight anti-pinch module is connected with Body control module by the LIN bus and constitutes a LIN network, described Body control module is used for receiving remote information from the CAN bus, and sends signal by the LIN bus to skylight anti-pinch module, carries out control corresponding after the anti-pinch module received signal of described skylight.
Further, described Body control module is used to gather the state of local master cock, and accepts the remote information on the CAN bus, produces a control command in view of the above, and this control command is converted to the LIN message, sends to skylight anti-pinch module by the LIN network; Described skylight anti-pinch module is sealed off, is understood message after being used to receive the message relevant with oneself, and according to the corresponding actr action of the instruction control that obtains, realizes the control to corresponding skylight.
Further, described car body controller is the key gear signal by the LIN bus to signal or the LIN message that skylight anti-pinch module sends, and/or close commands is opened in the skylight, and/or the closed start signal of collection control, and/or skylight running state, and/or skylight position signal, and/or anti-pinch signal whether.
Further, the remote information of described CAN bus reception is the skylight coherent signal.
Further, described skylight anti-pinch module receives corresponding being controlled to be of carrying out behind the described signal: the control motor turns round, and/or periodically sends signal by the LIN bus to car body controller.
Further, the signal that described periodicity sends is the skylight state of kinematic motion, and/or the skylight position signal, and/or the motor heat guard signal, and/or motor voltage signal, and/or motor failure signal, and/or fault diagnosis signal.
Further, also comprise the secondary closure system, it comprises remote control equipment (RCE) and warning device, described remote control equipment (RCE) has the collection control and rises window function, if produce when there is the anti-pinch action in the skylight in closing course, its control motor counter-rotating, and behind the complete opening of skylight, postpone to carry out secondary closure automatically behind the certain hour, in the secondary closure process, still there is the anti-pinch action to produce, anti-pinch module drive skylight, skylight sends corresponding signal to Body control module in opening process once more, Body control module receives to be handled behind the corresponding signal and start warning device.
Further, the time of described delay is 2s, and described remote control equipment (RCE) is a remote-control key, and it is the closed day window function of a keyset control that described collection control rises window function, and described warning device is buzzer phone and steering indicating light.
The control method of above-mentioned skylight anti-clipping system, adopt following steps:
(1) Body control module is gathered the state of local master cock, accepts the remote information on the CAN bus;
(2) Body control module produces control command according to information in the step (1);
(3) Body control module is the LIN message with instruction transformation;
(4) message is sent to skylight anti-pinch module by the LIN network;
(5) anti-pinch module in skylight is sealed off, is understood message after receiving message;
(6) anti-pinch module in skylight realizes the control to corresponding skylight according to the corresponding actr action of the instruction control that obtains.
Further, also comprise following step:
When using the closed day window function of remote-control key one keyset control, and if skylight when in closing course, having the anti-pinch action to produce, the motor counter-rotating, and the skylight is carried out secondary closure automatically after being opened to maximum position and postponing 2s and is closed window;
In the window process of secondary closure pass, still have the anti-pinch action to produce, anti-pinch module drive skylight, skylight sends corresponding signal to Body control module simultaneously at opening process, Body control module receives to be handled behind the corresponding signal and drives buzzer phone and steering indicating light is reported to the police, to notify the car owner;
When the skylight in motion process, skylight anti-pinch module is carried out selfdiagnosis, and by LIN bus transmission diagnosis message, when Body control module receives the diagnosis message that skylight anti-pinch module is sent, be translated into corresponding DTC, and it is deposited among the EPROM, behind the connection diagnostic instrument, just can directly obtain failure message.
Further, the specific algorithm in the control method is then referring to the detailed algorithm in the specific embodiment.
Compare with present prior art, the variation of automobile information communication has promoted the generation and the development of automobile grading system network.LIN is a kind of simple in structure, flexible configuration, novel low-frequency serial bus with low cost, mainly as the auxiliary network or the subnetwork of high speed buses such as CAN.The occasion not high at bandwidth requirement, that function simple, the real-time requirement is low as the aspects such as control of body electric system, is used the LIN bus, but effective simplification network wire harness, cost-cutting, raising network communication efficient and reliability.
Description of drawings
Fig. 1 is an existing skylight module interface block diagram;
Fig. 2 is the skylight anti-pinch module interface block diagram based on the total line control of LIN;
Fig. 3 is the LIN network diagram that car body controller and skylight anti-pinch module are formed.
The specific embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Present embodiment discloses a kind of skylight anti-clipping system, and described system couples together Body control module and skylight anti-pinch module by the LIN bus and forms a LIN network, and BCM is the major joint of LIN network, the anti-pinch module be the LIN network from node.After BCM receives switch input signal; BCM sends signals such as key gear signal, skylight unlatching close commands, the closed unlatching of collection control by the LIN bus to skylight anti-pinch module; the control motor turned round after skylight anti-pinch module received related command, and periodically sent some fault diagnosis signals such as skylight state of kinematic motion, skylight position signal and motor heat guard signal, motor voltage signal, motor failure signal to BCM by the LIN bus.Secondary auto-closing function when system disclosed in this invention also has at collection control closure simultaneously.By the application of LIN bus, can further promote the enforcement of automobile grading system network architecture and perfect, the development of propelling vehicle technology.
Anti-pinch module controls block diagram is as shown in Figure 2: skylight anti-pinch module only by power supply,, the LIN three-route realizes all functions, and carries out the function expansion easily.
As shown in Figure 3, whole day window control system couples together Body control module BCM and skylight anti-pinch module by the LIN bus forms a LIN network, and BCM is the major joint of LIN network, skylight anti-pinch module be the LIN network from node.
After BCM receives switch input signal; BCM sends signals such as key gear signal, skylight unlatching close commands, collection control close commands by the LIN bus to skylight anti-pinch module; skylight anti-pinch module receives to be controlled motor behind the related command and turns round; and periodically send the skylight state of kinematic motion to BCM by the LIN bus.; skylight position signal and motor heat guard signal; motor voltage signal, some fault diagnosis signals such as motor spurious signal.
Major joint BCM gathers the state of local each master cock and accepts remote information on the CAN bus, produce control command in view of the above, and be the LIN message with instruction transformation, send to corresponding from node skylight anti-pinch module by the LIN network, after node receives the message relevant with oneself, message is sealed off, understood, move according to the corresponding actr of the instruction control that obtains then, thereby realization is to the control in skylight.Simultaneously, give major joint with its control skylight feedback of status of living in respectively from node when needed, major joint carries out relevant treatment with this status information again, thereby realizes the control to parts.
Secondary auto-closing function when present embodiment also discloses at keyset control closure, promptly when using closed day window function of remote-control key one keyset control, action produces if there is anti-pinch in the skylight in closing course, the motor counter-rotating, and carry out secondary closure after the skylight is opened to maximum position and postpones 2s automatically and close window, if in the window process of secondary closure pass, still have the anti-pinch action to produce, skylight anti-pinch module drive skylight sends corresponding signal to Body control module simultaneously at opening process so, Body control module receives to be handled behind the corresponding signal and drives buzzer phone and steering indicating light is reported to the police, to notify the car owner.
Present embodiment also discloses diagnosis function: the skylight is in motion process; skylight anti-pinch module can be carried out selfdiagnosis, and sends some diagnosis messages by the LIN bus, and this message content comprises following signal: the motor heat guard signal; motor voltage signal, motor failure signal etc.After Body control module receives the diagnosis message that skylight anti-pinch module sends, can be translated into corresponding DTC, and it is deposited among the EPROM, behind the connection diagnostic instrument, just can directly obtain failure message.
Below be specifically described at the implementation of the LIN bus control policy of auto-closing band pinch resistant functionality, secondary auto-closing function and diagnosis function:
(1) auto-closing band pinch resistant functionality:
When triggering close switch, BCM receives a low level incoming signal, and this incoming signal is converted into the LIN message, and send to skylight anti-pinch module by the LIN bus with the form of message, mainly comprise following signal in this frame message: key range state signal, skylight closure signal etc.Specifically see the following form:
Signal name Signal condition
Key range state signal The ON shelves
The skylight closure signal Auto-closing
This LIN message sends to controller with coherent signal, and sends the auto-closing order by controller after being received by the LIN transceiver of skylight anti-pinch module, thus drive motor work.Whether anti-pinch module in skylight periodically sends to BCM with the skylight state with the form of LIN message equally in the closure of skylight, mainly comprises in this message to issue orders: skylight state of kinematic motion, skylight position signal, anti-pinch signal etc.Specifically see the following form:
Signal name Signal condition
The skylight motion state signal The skylight closure
The skylight position signal Position the unknown
Anti-pinch whether Not
BCM sends to controller to carry out corresponding control with coherent signal after receiving this frame message by the LIN transceiver.
If the anti-pinch action does not take place in closing course in the skylight, the skylight will be closed fully so, and the LIN message content that this moment, BCM sent the anti-pinch module that receives is:
Signal name Signal condition
The skylight motion state signal The skylight stop motion
The skylight position signal Closed fully
Anti-pinch whether Not
If the anti-pinch action has taken place in closing course in the skylight, anti-pinch module controller drive motor counter-rotating immediately in skylight is opened the skylight, and sends the LIN message to BCM, and this moment, message content was:
Signal name Signal condition
The skylight motion state signal Open in the skylight
The skylight position signal Position the unknown
Anti-pinch whether Be
The complete opening rear motor quits work in the skylight, and the signal content in the LIN message that sends this moment is:
Signal name Signal condition
The skylight motion state signal The skylight stop motion
The skylight position signal Open in the skylight
Anti-pinch whether Not
If after 2 seconds, BCM does not receive any switch input state, and the LIN bus can enter sleep state automatically, stops to receive and dispatch any message on the LIN bus, thereby reduces quiescent current.If BCM receives switch input signal, the LIN bus is waken up immediately so.
Automatic secondary closure function after the closed anti-pinch of (2) one keyset controls:
When setting up defences with remote controller, start a keyset control closure function simultaneously, it is closed that this moment, the skylight collected control simultaneously.This moment, BCM received the incoming signal of remote controller, and sent the LIN message, and this moment, message content was following table content:
Signal name Signal condition
The key range state The OFF shelves
The skylight close commands Do not have
Collection control close commands Collection control zonula occludens anti-pinch
After the anti-pinch module received the message that BCM sends, it is closed that the controller drives motor realizes that the skylight collects control simultaneously, and the LIN message that this moment, the anti-pinch module sent is following table content:
Signal name Signal condition
The skylight state of kinematic motion The skylight closure
The skylight position signal Position the unknown
Anti-pinch whether Not
But anti-pinch is if take place in this moment, anti-pinch module drive motor counter-rotating, and send the LIN message frame to BCM, and send skylight start signal in the message this moment, and behind the complete opening of skylight, motor quits work, and the signal in the LIN message that sends this moment is,
Signal name Signal condition
The skylight motion state signal The skylight stop motion
The skylight position signal Open in the skylight
Collection control close commands Collection control zonula occludens anti-pinch
Anti-pinch whether Not
Postpone after 2 seconds that BCM comprehensively judges key range state, collection control closure signal and whether behind three signals of anti-pinch signal, can send the LIN message that comprises the auto-closing signal automatically once more, after the anti-pinch module received this LIN message, the control motor was realized secondary auto-closing function.If there is not anti-pinch to produce in the secondary closure process, the closed success of collection control, and the LIN bus enters sleep state after 2 seconds.If still there is anti-pinch action to produce in the secondary closure process, anti-pinch module drive skylight sends corresponding signal to BCM simultaneously at opening process so, and BCM receives and handles behind the corresponding signal and drive buzzer phone and steering indicating light is reported to the police, to notify the car owner.
(3) velocity response zonula occludens pinch resistant functionality:
When the skylight is in opening and the speed of a motor vehicle and reaches 120Km/h, after BCM gets access to this signal by the CAN signal, this signal is converted into the LIN message, send to skylight anti-pinch module by the LIN bus with the form of message, mainly comprise following signal in this frame message: speed signal, skylight closure signal etc.Specifically see the following form:
Signal name Signal condition
Speed signal Greater than 120Km/h
The skylight closure signal Auto-closing
This LIN message sends to controller with coherent signal, and sends the auto-closing order by controller after being received by the LIN transceiver of skylight anti-pinch module, thus drive motor work.Whether anti-pinch module in skylight periodically sends to BCM with the skylight state with the form of LIN message equally in the closure of skylight, mainly comprises in this message to issue orders: skylight state of kinematic motion, skylight position signal, anti-pinch signal etc.Specifically see the following form:
Signal name Signal condition
The skylight motion state signal The skylight closure
The skylight position signal Position the unknown
Anti-pinch whether Not
BCM sends to controller to carry out corresponding control with coherent signal after receiving this frame message by the LIN transceiver.
If the anti-pinch action does not take place in closing course in the skylight, the skylight will be closed fully so, and the LIN message content that this moment, BCM sent the anti-pinch module that receives is:
Signal name Signal condition
The skylight motion state signal The skylight stop motion
The skylight position signal Closed fully
Anti-pinch whether Not
If the anti-pinch action has taken place in closing course in the skylight, anti-pinch module controller drive motor counter-rotating immediately in skylight is opened the skylight, and sends the LIN message to BCM, and this moment, message content was:
Signal name Signal condition
The skylight motion state signal Open in the skylight
The skylight position signal Position the unknown
Anti-pinch whether Be
The complete opening rear motor quits work in the skylight, and the signal content in the LIN message that sends this moment is:
Signal name Signal condition
The skylight motion state signal The skylight stop motion
The skylight position signal Open in the skylight
Anti-pinch whether Not
After this will stop at not can be in LIN bus transmission speed induced signal control skylight closure once more for BCM.After this if BCM receives switch input signal, the LIN bus is carried out above-mentioned (1) step immediately so.
(4) diagnosis function:
The skylight is in motion process, and skylight anti-pinch module can be carried out selfdiagnosis, and sends some diagnosis messages by the LIN bus, and this message content comprises following signal: motor heat guard signal, motor voltage signal, motor failure signal etc.After BCM receives the diagnosis message that the anti-pinch module sends, can be translated into corresponding DTC, and it is deposited among the EPROM, behind the connection diagnostic instrument, just can directly obtain failure message.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.

Claims (10)

1. skylight anti-clipping system, it is characterized in that, comprise Body control module, skylight anti-pinch module and LIN bus, described Body control module and the total wire joint of car load CAN, described skylight anti-pinch module are connected with Body control module by the LIN bus and constitute a LIN network, and described Body control module is used for receiving remote information from the CAN bus, and pass through the LIN bus to skylight anti-pinch module transmission signal, carry out control corresponding after the anti-pinch module received signal of described skylight.
2. skylight as claimed in claim 1 anti-clipping system is characterized in that,
Described Body control module is used to gather the state of local master cock, and accepts the remote information on the CAN bus, produces a control command in view of the above, and this control command is converted to the LIN message, sends to skylight anti-pinch module by the LIN network;
Described skylight anti-pinch module is sealed off, is understood message after being used to receive the message relevant with oneself, and according to the corresponding actr action of the instruction control that obtains, realizes the control to corresponding skylight.
3. skylight as claimed in claim 1 or 2 anti-clipping system, it is characterized in that, described car body controller is the key gear signal by the LIN bus to signal or the LIN message that skylight anti-pinch module sends, and/or close commands is opened in the skylight, and/or the closed start signal of collection control, and/or the skylight running state, and/or skylight position signal, and/or anti-pinch signal whether.
4. as each described skylight anti-clipping system among the claim 1-3, it is characterized in that the remote information that described CAN bus receives is the skylight coherent signal.
5. as each described skylight anti-clipping system among the claim 1-4, it is characterized in that, described skylight anti-pinch module receives corresponding being controlled to be of carrying out behind the described signal: the control motor turns round, and/or periodically sends signal by the LIN bus to car body controller.
6. skylight as claimed in claim 5 anti-clipping system is characterized in that, the signal that described periodicity sends is the skylight state of kinematic motion; and/or the skylight position signal, and/or the motor heat guard signal, and/or motor voltage signal; and/or motor failure signal, and/or fault diagnosis signal.
7. as each described skylight anti-clipping system among the claim 1-6, it is characterized in that, also comprise the secondary closure system, it comprises remote control equipment (RCE) and warning device, described remote control equipment (RCE) has the collection control and rises window function, if produce when there is the anti-pinch action in the skylight in closing course, its control motor counter-rotating, and behind the complete opening of skylight, postpone to carry out secondary closure automatically behind the certain hour, still have anti-pinch action to produce in the secondary closure process, anti-pinch module drive skylight, skylight is sending corresponding signal to Body control module in the opening process once more, and Body control module receives to be handled behind the corresponding signal and start warning device.
8. skylight as claimed in claim 7 anti-clipping system is characterized in that, the time of described delay is 2s, and described remote control equipment (RCE) is a remote-control key, and it is the closed day window function of a keyset control that described collection control rises window function, and described warning device is buzzer phone and steering indicating light.
9. as the control method of skylight anti-clipping system as described in the claim 1-8, it is characterized in that, adopt following steps:
(1) Body control module is gathered the state of local master cock, accepts the remote information on the CAN bus;
(2) Body control module produces control command according to information in the step (1);
(3) Body control module is the LIN message with instruction transformation;
(4) message is sent to skylight anti-pinch module by the LIN network;
(5) anti-pinch module in skylight is sealed off, is understood message after receiving message;
(6) anti-pinch module in skylight realizes the control to corresponding skylight according to the corresponding actr action of the instruction control that obtains.
10. the control method of skylight as claimed in claim 9 anti-clipping system is characterized in that, also comprises following step:
When using the closed day window function of remote-control key one keyset control, and if skylight when in closing course, having the anti-pinch action to produce, the motor counter-rotating, and the skylight is carried out secondary closure automatically after being opened to maximum position and postponing 2s and is closed window;
In the window process of secondary closure pass, still have the anti-pinch action to produce, anti-pinch module drive skylight, skylight sends corresponding signal to Body control module simultaneously at opening process, Body control module receives to be handled behind the corresponding signal and drives buzzer phone and steering indicating light is reported to the police, to notify the car owner;
When the skylight in motion process, skylight anti-pinch module is carried out selfdiagnosis, and by LIN bus transmission diagnosis message, when Body control module receives the diagnosis message that skylight anti-pinch module is sent, be translated into corresponding DTC, and it is deposited among the EPROM, behind the connection diagnostic instrument, just can directly obtain failure message.
CN2010105602254A 2010-11-25 2010-11-25 Roof window anti-pinch system and control method thereof Pending CN101983873A (en)

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CN103465841A (en) * 2012-06-07 2013-12-25 上海通用汽车有限公司 Vehicle automatic control system
CN104932483A (en) * 2015-05-28 2015-09-23 上海沪工汽车电器有限公司 General assembly test method for CAN bus body controller
CN105730371A (en) * 2014-12-12 2016-07-06 广州汽车集团股份有限公司 Automobile body assembly control method and system
CN106054863A (en) * 2016-06-28 2016-10-26 芜湖莫森泰克汽车科技股份有限公司 Automobile sunroof remote control function detection tool
CN107719275A (en) * 2016-08-12 2018-02-23 矢崎总业株式会社 On-vehicle equipment control system
CN107965233A (en) * 2016-10-19 2018-04-27 通用汽车环球科技运作有限责任公司 The system and method for controlling vehicle window component

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Application publication date: 20110309