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KR20040007776A - Apparatus of preventing a vehicle back up in a vehicle with a manual transmission - Google Patents

Apparatus of preventing a vehicle back up in a vehicle with a manual transmission Download PDF

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Publication number
KR20040007776A
KR20040007776A KR1020020040361A KR20020040361A KR20040007776A KR 20040007776 A KR20040007776 A KR 20040007776A KR 1020020040361 A KR1020020040361 A KR 1020020040361A KR 20020040361 A KR20020040361 A KR 20020040361A KR 20040007776 A KR20040007776 A KR 20040007776A
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KR
South Korea
Prior art keywords
vehicle
sensor
accelerator pedal
gear
manual transmission
Prior art date
Application number
KR1020020040361A
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Korean (ko)
Other versions
KR100721095B1 (en
Inventor
오준남
Original Assignee
주식회사 만도
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Priority to KR1020020040361A priority Critical patent/KR100721095B1/en
Publication of KR20040007776A publication Critical patent/KR20040007776A/en
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Publication of KR100721095B1 publication Critical patent/KR100721095B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/122—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger for locking of reverse movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/06—Hill holder; Start aid systems on inclined road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/18—Propelling the vehicle
    • B60Y2300/18008—Propelling the vehicle related to particular drive situations
    • B60Y2300/18108—Braking
    • B60Y2300/18116—Hill holding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/81—Braking systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Regulating Braking Force (AREA)

Abstract

PURPOSE: A reverse protection system of a vehicle with a manual transmission is provided to brake the vehicle by sensing the skid of the vehicle caused by wrong operations of a clutch and an accelerator pedal in starting on a slope way and accordingly to prevent the vehicle from colliding with rear vehicles and obstacles and improve safety. CONSTITUTION: A reverse protection system of a vehicle with a manual transmission is composed of a rotational direction sensor(13) for detecting the rotational direction of vehicle wheels; a gear sensor(11) for sensing the position of a gear; a sensor unit(10) including an accelerator pedal sensor(12) for detecting operations of an accelerator pedal; and a control unit(20) for controlling braking pressure supplied to rear wheels to prevent the vehicle from skidding based on a signal detected by the sensor unit when the vehicle skids in the opposite direction against the desired progressing direction.

Description

수동변속기 차량의 후진방지장치{Apparatus of preventing a vehicle back up in a vehicle with a manual transmission}Apparatus of preventing a vehicle back up in a vehicle with a manual transmission}

본 발명은 수동변속기 차량에 있어서 주차 혹은 정차후 경사로에서의 출발시 차량이 뒤로 밀릴 때 차량을 제동하여 후방차량과의 충돌 등 사고를 방지하도록 한 수동변속기 차량의 후진방지장치에 관한 것이다.The present invention relates to a reverse transmission device of a manual transmission vehicle which prevents an accident such as a collision with a rear vehicle by braking the vehicle when the vehicle is pushed back when the vehicle is pushed back when the vehicle starts or stops on a ramp after the stop.

일반적으로 수동변속기 차량은 경사로에서 주차 또는 정차상태로 있다가 운전자가 브레이크페달을 밟고 있던 발을 가속페달을 밟기 위하여 떼는 순간에 차량이 후방으로 밀리는 현상이 발생한다. 이는 숙달된 운전자는 곧바로 가속페달을 적절하게 밟아줌으로써 곧바로 차량이 전진 주행을 수행하게 되지만 운전이 미숙한 초보운전자의 경우에는 당황하게 되어 차량의 후진으로 인한 후방차량과의 충돌을 유발할 수 있으며, 클러치의 연결과 가속페달의 작동과의 적절한 타이밍을 놓치게 되어 시동이 꺼지게 되는 예가 빈번하게 발생한다.In general, the manual transmission vehicle is parked or stopped on a slope, and the vehicle is pushed backwards at the moment when the driver releases the foot on the brake pedal to step on the accelerator pedal. This means that the experienced driver immediately advances the vehicle by stepping on the accelerator pedal properly. However, the inexperienced driver may be embarrassed and may cause a collision with the rear vehicle due to the back of the vehicle. Frequently, the start is turned off due to the lack of proper timing between the connection of the accelerator and the operation of the accelerator pedal.

한편, 차량의 브레이크장치에는 주행중에 주로 사용되는 풋브레이크(Foot Brake)와, 자동차를 주차상태로 유지하기 위한 주차브레이크가 있다.On the other hand, the brake device of the vehicle includes a foot brake mainly used during driving and a parking brake for keeping the vehicle in a parking state.

그러나, 일반적으로 풋브레이크는 운전자가 발로 조작하는 것이며 경사로에서 정차시 풋브레이크를 밟고 있던 발을 가속페달로 이동시키는 과정에서 왼발로 수행되는 클러치의 연결과 가속페달의 작동과의 적절한 타이밍을 놓치게 되어 시동이 꺼지며 차량이 뒤로 밀리는 경우가 발생하는 것이었다. 따라서 초보운전자, 노약자 및 장애인 등의 경우, 자칫 후방차량과의 충돌사고를 초래하게 된다는 문제점이 있었다.In general, however, the foot brake is operated by the driver, and when the vehicle stops on the slope, the foot pedal loses the proper timing between the clutch and the pedal that are performed with the left foot in the process of moving the foot brake to the accelerator pedal. The ignition turned off and the car pushed back. Therefore, the novice driver, the elderly and the disabled, there is a problem that will cause a crash accident with the rear vehicle.

본 발명은 전술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 경사로에서 차량이 정차하였다가 출발할 때 풋브레이크에서 가속페달로의 원활한 이동이 이루어지지 않아 시동이 꺼지고 차량이 후방으로 밀리는 것을 방지하는 수동변속기 차량의 경사로에서의 후진방지장치를 제공하는 데 있다.The present invention is to solve the above-mentioned problems, an object of the present invention is to prevent the smooth movement of the foot pedal to the accelerator pedal when the vehicle stops on the ramp to start the start is turned off and prevent the vehicle from being pushed backward To provide an anti-retraction device on the slope of a manual transmission vehicle.

도 1은 본 발명의 따른 수동변속기 차량의 후진방지장치에 대한 블록도이다.1 is a block diagram of a reverse prevention device of a manual transmission vehicle according to the present invention.

도 2는 본 발명에 따른 실시예로 수동변속기 차량의 경사로에서의 후진을 방지하는 방법에 대한 흐름도이다.2 is a flowchart illustrating a method of preventing the reverse of the inclined ramp of the manual transmission vehicle according to an embodiment of the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 센서부11 : 기어감지센서10: sensor unit 11: gear detection sensor

12 : 가속페달감지센서 13 : 회전방향감지센서12: acceleration pedal detection sensor 13: rotation direction detection sensor

20 : 제어부30 : 액츄에이터20: control unit 30: actuator

전술한 목적을 달성하기 위하여 본 발명은 차륜의 회전방향을 감지하기 위한회전방향감지센서, 차량의 기어 위치를 감지하기 위한 기어감지센서, 상기 차량에서의 가속페달의 조작을 감지하기 위한 가속페달감지센서를 포함하는 센서부; 상기 센서부에서 감지된 신호에 기초하여 상기 차량이 운전자가 희망하는 진행방향과 반대방향으로 이동하는 미끄러짐이 생기면, 상기 미끄러짐을 방지하기 위해 후방차륜에 제공되는 제동압을 제어하는 제어부를 포함하는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a rotational direction sensor for detecting the rotational direction of the wheel, a gear sensor for detecting the gear position of the vehicle, acceleration pedal detection for detecting the operation of the accelerator pedal in the vehicle A sensor unit including a sensor; And a controller configured to control the braking pressure provided to the rear wheels to prevent the slip when the vehicle moves in a direction opposite to a driving direction desired by the driver based on the signal sensed by the sensor unit. It features.

이하에서는 본 발명의 바람직한 실시예를 본 도면을 참조하여 상세하게 설명하도록 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1은 본 발명의 따른 수동변속기 차량의 후진방지장치에 대한 블록도이다. 도 1에 도시된바와 같이, 제어부(20)의 입력측에는 기어의 위치를 감지하기 위한 기어감지센서(11), 운전자의 가속페달의 밟음을 감지하기 위한 가속페달감지센서(12), 차륜의 정회전 및 역회전을 감지하기 위한 회전방향 감지센서(13)를 포함하는 센서부가 전기적으로 연결되며, 제어부(20)의 출력측에는 각 휠실린더에 제공되는 제동압을 조절하기 위한 액츄에이터(30)가 전기적으로 연결되어 있다.1 is a block diagram of a reverse prevention device of a manual transmission vehicle according to the present invention. As shown in FIG. 1, the input side of the control unit 20 has a gear sensor 11 for detecting a position of a gear, an accelerator pedal sensor 12 for detecting a driver's stepping on an accelerator pedal, and a wheel of a wheel. A sensor unit including a rotation direction detection sensor 13 for detecting rotation and reverse rotation is electrically connected, and an actuator 30 for adjusting the braking pressure provided to each wheel cylinder is electrically connected to the output side of the control unit 20. Is connected.

기어감지센서(11)는 기어의 위치를 감지하기 위해 사용되며, 기어박스에 직접 설치되는 기어의 위치를 확인하는 방법 외에 후진등의 점등여부를 감지하여 간접적으로 기어가 후진기어의 위치에 있는지를 확인시켜 준다.The gear sensor 11 is used to detect the position of the gear. In addition to checking the position of the gear directly installed in the gearbox, the gear detecting sensor 11 detects whether the reverse light is turned on and indirectly determines whether the gear is in the position of the reverse gear. Confirm.

회전방향 감지센서(13)는 차륜의 정역회전을 감지하기 위해 홀 아이시(Hall IC)를 이용한 스마트 액티브 센서이다.The rotation direction sensor 13 is a smart active sensor using a Hall IC to detect forward and reverse rotation of the wheel.

가속페달감지센서(12)는 가속페달의 밟음에 의해 변하는 드로틀 밸브의 개도를 감지하는 드로틀밸브센서이다.The accelerator pedal detection sensor 12 is a throttle valve sensor for detecting the opening degree of the throttle valve which is changed by stepping on the accelerator pedal.

액츄에이터(30)는 유압식 제동장치의 경우뿐만 아니라 전자 유압식 제동장치의 경우에도 해당 차륜의 휠실린더와 연결되어 있고 그 작동에 의해 해당 차륜의 제동압이 영향을 받게 하는 밸브를 나타낸다.Actuator 30 represents a valve that is connected to the wheel cylinder of the wheel as well as in the case of the hydraulic braking device, and the braking pressure of the wheel is affected by the operation.

제어부(20)는 기어감지센서(11)의 신호에 따라 운전자의 전진 또는 후진의지를 판단하며, 가속페달의 조작에 따라 변화되는 가속페달감지센서(12)의 신호에 따라 운전자의 가속의지를 판단하며, 회전방향 감지센서(13)의 신호에 따라 차량의 전진, 정지 또는 후진상태와 같은 차량의 실제 이동방향을 판단하게 된다. 또한, 제어부(20)는 각 판단결과의 조합에 따라 액츄에이터(30)를 작동시켜 해당 차륜에 공급되는 제동압을 증가시키거나, 유지 및 감소시켜 차량의 현재상태를 변화시키거나 유지시킨다.The controller 20 determines the driver's intention to move forward or backward according to the signal of the gear sensor 11, and determines the driver's acceleration intention according to the signal of the accelerator pedal sensor 12 that changes according to the operation of the accelerator pedal. The actual direction of movement of the vehicle, such as the forward, stop or reverse state of the vehicle, is determined according to the signal of the rotation direction sensor 13. In addition, the controller 20 operates the actuator 30 according to the combination of the respective determination results to increase, maintain, or decrease the braking pressure supplied to the corresponding wheel to change or maintain the current state of the vehicle.

도 2는 본 발명에 따른 실시예로 수동변속기 차량의 경사로에서의 후진을 방지하는 방법에 대한 흐름도이다. 도 2에 도시된바와 같이, 운전자가 경사로에서 주차 또는 주행 중 정차했다가 클러치의 연결을 푸는 동작과 가속페달을 밟는 동작의 타이밍이 맞지 않아 차량이 뒤로 밀리게 되면, 회전방향 감지센서(13)에 차륜의 역회전이 감지된다(S100). 이러한 감지신호는 제어부(20)에 전송된다. 이에 따라, 제어부(20)에서는 현재 차륜의 회전방향이 역회전 인지 정회전인지를 판단하게 된다(S110).2 is a flowchart illustrating a method of preventing the reverse of the inclined ramp of the manual transmission vehicle according to an embodiment of the present invention. As shown in FIG. 2, when the driver stops while parking or driving on an incline, and the timing of the operation of releasing the clutch and the operation of pressing the accelerator pedal does not match, the vehicle is pushed backward, the rotation direction sensor 13 The reverse rotation of the wheel is detected at step S100. This detection signal is transmitted to the control unit 20. Accordingly, the controller 20 determines whether the current wheel rotation direction is reverse rotation or forward rotation (S110).

이어, 차량이 뒤로 밀리는 것이 운전자가 후진에 의한 것인지를 확인하기 위해 제어부(20)는 기어감지센서(11)를 통해 기어의 위치를 감지하여(S120), 현재 차량이 전진기어 상태인지 후진기어 상태인지를 판단한다(S130). 이때, 기어감지센서(11)는 후진등의 점등여부를 감지하여 제어부(20)로 전송하고, 제어부(20)는 감지된 후진등의 점등상태에 따라 후진기어인지 전진기어인지를 판단한다(중립기어도 전진기어상태라고 판단한다).Subsequently, in order to check whether the driver is driven backward by driving the vehicle backward, the control unit 20 detects the position of the gear through the gear sensor 11 (S120), and whether the current vehicle is in the forward gear state or the reverse gear state. Determine whether (S130). At this time, the gear sensor 11 detects whether the reverse light is turned on and transmits it to the control unit 20, and the control unit 20 determines whether the reverse gear or the forward gear is in accordance with the detected state of the reverse light (neutral). The gear is also judged to be the forward gear).

만약, 운전자가 후진하려고 하지 않은 경우 즉 후진기어가 들어가 있지 않은 상태이면, 제어부(20)는 운전자가 가속하려고 하는 지를 확인하기 위해 가속페달감지센서(12)를 통해 가속페달의 밟음을 감지한다(S140). 감지된 결과 운전자가 가속페달을 밟아 차량이 가속상태이면(S150), 제어부(20)는 운전자의 의지와는 상관없이 차량이 운전자가 희망하는 진행방향과 반대방향으로 미끄러진다고 판단하여 액츄에이터(30)의 동작을 제어한다(S160). 이에 따라 후방차륜에 제동압이 증가되어 차량의 미끄러짐이 방지된다.If the driver does not intend to reverse, that is, the reverse gear is not in the state, the control unit 20 detects the stepping of the accelerator pedal through the accelerator pedal sensor 12 to determine whether the driver is to accelerate ( S140). As a result of the detection, if the driver presses the accelerator pedal and the vehicle is in an acceleration state (S150), the controller 20 determines that the vehicle slides in a direction opposite to the driving direction desired by the driver, regardless of the driver's will, and the actuator 30. The operation of the control (S160). Accordingly, the braking pressure is increased on the rear wheels to prevent the vehicle from slipping.

제어부(20)는 후방차륜에 제동압을 증가시킨 다음 회전방향 감지센서(13)를 통해 차륜의 회전방향을 감지한다(S170). 감지결과 차륜이 정회전하면(S180), 즉, 차량이 운전자가 희망하는 진행방향에 일치하는 회전방향으로 차륜이 회전하면, 차량의 미끄러짐이 제거됐다고 판단하여 액츄에이터(30)의 동작을 해제한다(S190). 이에 따라, 후방차륜에 제동압이 해제되어 차량의 원활한 가속상태를 유지하게 된다.The controller 20 increases the braking pressure on the rear wheel and then detects the rotation direction of the wheel through the rotation direction sensor 13 (S170). As a result of the detection, when the wheel is rotated forward (S180), that is, when the wheel rotates in the rotational direction corresponding to the driving direction desired by the driver, it is determined that the slippage of the vehicle is removed and the operation of the actuator 30 is released ( S190). Accordingly, the braking pressure is released to the rear wheels to maintain a smooth acceleration state of the vehicle.

만약, 단계(S180)에서 차륜이 역회전하면, 단계(S160)(S170)를 반복해서 수행한다.If the wheel is reversed in step S180, steps S160 and S170 are repeatedly performed.

이상과 같이 본 발명은 경사로에서 차량이 출발시 클러치와 가속페달의 오조작으로 차량이 뒤로 밀릴 때 이를 감지하여 차량을 제동시켜 주게 되므로 후방차량 등 여러 장애물과의 충돌을 예방하게 되어 안전성이 확보되는 효과가 있다.As described above, the present invention detects when the vehicle is pushed backward due to a misoperation of the clutch and the accelerator pedal when the vehicle starts on the ramp, thereby preventing the collision with various obstacles such as the rear vehicle, thereby ensuring safety. It works.

또한, 본 발명은 차량의 안전성을 향상시켜 초보운전자들도 안심하고 운행할 수 있게 됨은 물론 숙련된 운전자의 오조작으로 인한 충돌사고도 예방할 수 있는 효과가 있다.In addition, the present invention improves the safety of the vehicle, even beginner drivers can operate safely, as well as prevent accidents caused by misoperation of skilled drivers.

Claims (4)

차륜의 회전방향을 감지하기 위한 회전방향감지센서,Rotation direction sensor for detecting the rotation direction of the wheel, 차량의 기어 위치를 감지하기 위한 기어감지센서,Gear sensor for detecting the gear position of the vehicle, 상기 차량에서의 가속페달의 조작을 감지하기 위한 가속페달감지센서를 포함하는 센서부;A sensor unit including an accelerator pedal sensor for sensing an operation of the accelerator pedal in the vehicle; 상기 센서부에서 감지된 신호에 기초하여 상기 차량이 운전자가 희망하는 진행방향과 반대방향으로 이동하는 미끄러짐이 생기면, 상기 미끄러짐을 방지하기 위해 후방차륜에 제공되는 제동압을 제어하는 제어부를 포함하는 것을 특징으로 하는 수동변속기 차량의 후진 방지장치.And a controller configured to control the braking pressure provided to the rear wheels to prevent the slip when the vehicle moves in a direction opposite to a driving direction desired by the driver based on the signal sensed by the sensor unit. Reversing prevention device for a manual transmission vehicle characterized in that. 제 1항에 있어서,The method of claim 1, 상기 미끄러짐을 방지하기 위한 제어동작을 완료하면, 상기 제어부는 상기 회전방향감지센서에서 감지된 신호의 판단결과 상기 차륜의 회전방향이 차량의 희망 진행방향에 일치하는 회전방향인가에 따라 상기 미끄러짐 방지동작을 해제하는 것을 더 특징으로 하는 수동변속기 차량의 후진 방지장치.When the control operation for preventing the slip is completed, the control unit determines the slip prevention operation according to whether the rotation direction of the wheel corresponds to the desired rotation direction of the vehicle as a result of the determination of the signal detected by the rotation direction detection sensor. Reversing prevention device of a manual transmission vehicle, characterized in that further release. 제 1항에 있어서,The method of claim 1, 미끄러짐 방지동작시 상기 제어부는 상기 후방차륜에 미리 설정된 제동압을 제공하는 것을 특징으로 하는 수동변속기 차량의 후진 방지장치.And the control unit provides a preset braking pressure to the rear wheels during the slip prevention operation. 상기 기어감지센서는 후진기어등의 점등여부를 감지하며, 상기 제어부는 상기 감지된 후진기어등의 점등여부에 따라 차량의 기어위치가 후진기어위치인지를 확인하며, 상기 기어위치가 후진기어위치에 있지 않은 상태에서 상기 가속페달감지센서에서 가속페달의 밟음이 감지되면 차량의 진행방향을 전진방향으로 판단하는 것을 특징으로 하는 수동변속기 차량의 후진 방지장치.The gear sensor detects whether the reverse gear light is turned on, and the controller determines whether the gear position of the vehicle is the reverse gear position according to whether the detected reverse gear light is turned on, and the gear position is located at the reverse gear position. When the accelerator pedal is detected by the accelerator pedal in the state that is not in the state, the reverse direction prevention device of the manual transmission vehicle, characterized in that determining the traveling direction of the vehicle as the forward direction.
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CN105715783B (en) * 2015-12-11 2018-02-02 湖南吉利汽车部件有限公司 A kind of manual transmission reverses gear error prevention means and method
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