KR20120012180A - Prevention method for engine stop when braking of a vehicle - Google Patents

Prevention method for engine stop when braking of a vehicle Download PDF

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KR20120012180A
KR20120012180A KR1020100074175A KR20100074175A KR20120012180A KR 20120012180 A KR20120012180 A KR 20120012180A KR 1020100074175 A KR1020100074175 A KR 1020100074175A KR 20100074175 A KR20100074175 A KR 20100074175A KR 20120012180 A KR20120012180 A KR 20120012180A
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vehicle
speed
emergency braking
automatic emergency
acc
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KR1020100074175A
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KR101526622B1 (en
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김장섭
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현대자동차주식회사
기아자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1884—Avoiding stall or overspeed of the engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/14—Adaptive cruise control
    • B60W30/143—Speed control
    • B60W30/146—Speed limiting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/181—Preparing for stopping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • B60W40/105—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/04—Vehicle stop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • 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
    • B60Y2300/08—Predicting or avoiding probable or impending collision
    • B60Y2300/09—Taking automatic action to avoid collision, e.g. braking or steering
    • 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
    • B60Y2300/14—Cruise control
    • B60Y2300/143—Speed control
    • 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
    • B60Y2300/18091—Preparing for stopping
    • 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
    • B60Y2300/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60Y2300/1884—Avoiding stall or over-speed of the engine
    • 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
    • B60Y2300/56—Engine stall prevention

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

PURPOSE: A method for preventing engine stopping during operation of automatic emergency braking device is provided to prevent risk and to enhance safety. CONSTITUTION: A method for preventing engine stopping during operation of automatic emergency comprises: a first step of sensing a front material through an ACC during driving and calculating safe distance; a second step of making automatic emergency braking through AEBS(S20); a third step of detecting automobile speed and determining whether the speed is under or over predetermined speed(S30); and a fourth step of blocking power to stop the automobile in case that the speed is under the predetermined speed.

Description

자동긴급제동장치 작동 시 엔진정지 방지 방법{Prevention method for engine stop when braking of a vehicle}Prevention method for engine stop when braking of a vehicle}

본 발명은 자동긴급제동장치 작동 시 엔진정지 방지 방법에 관한 것으로서, 특히 ACC(Adaptive Cruise Control, 적응형 자동주행장치)와 AEBS(Automatic Emergency Brake System, 자동긴급제동 시스템)가 장착된 수동변속기용 차량에서 긴급제동을 수행하는 경우에도 엔진정지가 발생하지 않게 하기 위한 자동긴급제동장치 작동 시 엔진정지 방지 방법에 관한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for preventing engine stop when an automatic emergency braking device is operated. In particular, a vehicle for a manual transmission equipped with an ACC (Adaptive Cruise Control) and an AEBS (Automatic Emergency Brake System) The present invention relates to an engine stop prevention method when an emergency braking system is operated so that an engine stop does not occur even when emergency braking is performed.

일반적으로 ACC는 안전거리 유지에 도움을 주는 시스템으로 장거리 여행이나 고속도로 주행 시 편리하며, 앞차량의 주행속도에 따라 자동으로 차간거리를 조절하여 속도를 조절해 주는 적응형 자동주행장치이다. In general, ACC is a system that helps maintain a safe distance and is convenient for long distance travel or highway driving, and is an adaptive automatic driving device that adjusts the speed by automatically adjusting the distance between vehicles according to the driving speed of the front vehicle.

또한, AEBS는 ACC에서 긴급제동을 발생시키는 시스템으로 차량 주행 시 전방차량 및 장애물을 인식하고 추돌위험이 있다고 판단하게 되면 긴급제동을 수행함으로써 충돌에 대한 사고를 예방할 수 있게 하는 자동긴급제동 시스템이다.In addition, AEBS is an emergency braking system that generates emergency braking in the ACC. It is an automatic emergency braking system that recognizes vehicles ahead and obstacles while driving and determines that there is a collision risk.

한편, 종래에 ACC와 AEBS가 장착된 차량이 자동변속기용 차량인 경우에는 긴급제동 후 다시 가속페달을 밟게 되면 가속이 되면서 주행이 가능했었다.On the other hand, when the vehicle equipped with the ACC and AEBS is a vehicle for an automatic transmission in the past, when the accelerator pedal is pressed again after emergency braking, the vehicle was accelerated and was capable of driving.

그러나, ACC와 AEBS가 장착된 차량이 수동변속기용 차량인 경우에는 긴급제동을 실시하게 되면 수동으로 다운 기어변속을 실행할 수 없기 때문에 제동 후 정차 시 엔진이 정지하게 되는 문제점이 있었다.
However, when the vehicle equipped with the ACC and the AEBS is a manual transmission vehicle, when the emergency braking is performed, the down gear shift cannot be performed manually, so the engine stops when the vehicle is stopped after the braking.

본 발명은 상기의 문제점을 해소하기 위한 자동긴급제동장치 작동 시 엔진정지 방지 방법에 관한 것으로서, 특히 ACC와 AEBS가 장착된 수동변속기용 차량에서 긴급제동을 수행하는 경우에도 엔진정지가 발생하지 않게 하기 위한 것을 목적으로 한다.
The present invention relates to a method for preventing engine stop when operating an emergency braking system for solving the above problems, and in particular, to prevent engine stop even when emergency braking is performed in a vehicle for a manual transmission equipped with ACC and AEBS. For the purpose of

이러한 본 발명은 수동변속기가 장착된 차량에 ACC와 AEBS가 추가로 구비되되; 차량 주행 중 상기 ACC를 통해 전방물체를 감지하여 안전거리를 계산하고 제동 여부를 판단하는 제1단계와; 상기 제1단계에서 주행 중인 차량과 전방물체가 일정거리 이하로 근접 시 충돌경보를 발생시켜 상기 AEBS를 통해 자동긴급제동을 실시하는 제2단계와; 상기 제2단계에서 감속 중인 차량의 속도를 확인하여, 차속이 일정속도 이하인지 판단하는 제3단계와; 상기 제3단계에서 차속이 일정속도 이하인 경우 동력을 차단하여 차량을 정차시키는 제4단계와; 상기 제4단계에서 차량 정차 후 클러치를 밟게 되면 차량 출발이 가능하게 하는 제5단계로 구성함으로써 달성된다.
This invention is further provided with ACC and AEBS in a vehicle equipped with a manual transmission; A first step of sensing a front object through the ACC while calculating a safety distance and determining whether to brake; A second step of generating an emergency alarm through the AEBS by generating a collision alarm when the vehicle driving in front of the first object approaches a predetermined distance or less; A third step of checking a speed of the vehicle being decelerated in the second step to determine whether the vehicle speed is equal to or less than a predetermined speed; A fourth step of stopping the vehicle by cutting off power when the vehicle speed is lower than the predetermined speed in the third step; In the fourth step, if the clutch is pressed after the vehicle is stopped, the fifth step is achieved.

이상과 같은 본 발명은 수동변속기용 차량에서 긴급제동 시 엔진정지가 발생하지 않게 함으로써 상품성을 향상시키는 동시에 엔진정지로 인해 발생되는 위험요소를 차단하여 안전성을 증대시키는데 효과가 있는 발명인 것이다.
The present invention as described above is an invention that is effective in increasing safety by blocking the risk factors caused by the engine stop at the same time to improve the merchandise by preventing the engine stop occurs during emergency braking in a manual transmission vehicle.

도 1은 본 발명의 자동긴급제동장치 작동 시 엔진정지 방지 방법을 도시하는 흐름도.1 is a flow chart illustrating a method for preventing engine stop when an automatic emergency braking device of the present invention is operated.

도 1은 본 발명의 자동긴급제동장치 작동 시 엔진정지 방지 방법을 도시하는 흐름도.
1 is a flow chart illustrating a method for preventing engine stop when an automatic emergency braking device of the present invention is operated.

본 발명의 실시예를 첨부 도면을 참조하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 자동긴급제동장치 작동 시 엔진정지 방지 방법은 도 1에 도시된 바와 같이, 전방물체를 감지하여 제동 여부를 판단하는 제1단계(S10)와; 자동긴급제동을 실시하는 제2단계(S20)와; 차속이 일정속도 이하인지 판단하는 제3단계(S30)와; 동력을 차단하여 차량을 정차시키는 제4단계(S40)와; 차량 정차 후 클러치를 밟게 되면 차량 출발이 가능하게 하는 제5단계(S50)로 이루어져, 상품성과 안전성을 향상시키는 것을 그 기술상의 기본 특징으로 한다.
Engine stop prevention method when the automatic emergency braking device of the present invention is shown in Fig. 1, the first step (S10) for detecting the front object to determine whether or not braking; A second step (S20) of performing automatic emergency braking; A third step S30 of determining whether the vehicle speed is equal to or less than a predetermined speed; A fourth step S40 of stopping the power to stop the vehicle; Stepping on the clutch after the vehicle is stopped, the fifth step (S50) to enable the vehicle to start, improving the merchandise and safety is the technical features of the technology.

이하 본 발명의 자동긴급제동장치 작동 시 엔진정지 방지 방법에 대한 각 구성요소를 첨부한 도면을 참조하여 하나씩 살펴보면 다음과 같다.Hereinafter, with reference to the accompanying drawings, each component for the engine stop prevention method when the automatic emergency braking apparatus of the present invention is described one by one.

본 발명은 수동변속기가 장착된 차량에 ACC(Adaptive Cruise Control, 적응형 자동주행장치)와 AEBS(Automatic Emergency Brake System, 자동긴급제동 시스템)가 추가로 구비되는 것을 기본으로 한다.The present invention is based on a vehicle equipped with a manual transmission is further provided with an ACC (Adaptive Cruise Control) and AEBS (Automatic Emergency Brake System).

도 1에 도시된 바와 같이, 제1단계(S10)는 차량 주행 중 전방에 위치하는 전방물체를 감지하여 안전거리를 계산하고 제동 여부를 판단하게 된다.As shown in FIG. 1, the first step S10 detects a front object located in front of the vehicle while calculating a safety distance and determines whether to brake.

이때, 전방에 위치하는 전방물체는 전방에서 주행하는 차량 또는 미확인 장애물을 포함하는 것으로, 상기 전방물체를 감지하는 것은 차량에 장착된 ACC를 통해 확인할 수 있게 되는 것이다.In this case, the front object located in front includes a vehicle or an unidentified obstacle running in front of the front object, and the sensing of the front object may be confirmed through an ACC mounted on the vehicle.

제2단계(S20)는 상기 제1단계(S10)에서 주행 중인 차량과 전방물체 사이가 일정거리 이하로 근접 시 충돌 가능한 상태로 판단하여 충돌경보를 발생시켜 자동긴급제동을 실시하게 된다.In the second step S20, when the vehicle and the front object driving in the first step S10 are close to each other by a predetermined distance or less, a collision warning is generated to generate an automatic emergency braking.

여기서, 자동긴급제동을 실시하게 되는 것은 차량에 장착된 AEBS를 통해 수행된다.Here, the automatic emergency braking is performed through the AEBS mounted on the vehicle.

제3단계(S30)는 상기 제2단계(S20)에서 자동긴급제동을 통해 감속 중인 차량의 주행 속도를 확인하여 차속이 일정속도 이하인지 아니면 일정속도를 초과하는지 판단하게 된다.The third step S30 checks the traveling speed of the vehicle under deceleration through automatic emergency braking in the second step S20 to determine whether the vehicle speed is below a certain speed or exceeds a certain speed.

제4단계(S40)는 상기 제3단계(S30)에서 차량의 주행 속도가 일정속도 이하인 경우 동력을 차단하여 주행 중인 차량을 정차시키도록 한다.In the fourth step S40, when the driving speed of the vehicle is less than a predetermined speed in the third step S30, the vehicle is stopped by stopping the power.

이때, 제3단계(S30) 및 제4단계(S40)에서 동력 차단을 위한 차속의 일정속도는 10km/h 이하로 제한하는 것이 바람직하다.At this time, in the third step (S30) and the fourth step (S40) it is preferable to limit the constant speed of the vehicle speed for the power cut to less than 10km / h.

또한, 제4단계(S40)에서 동력을 차단한 다음 차량을 정차시킨 상태에서 엔진이 정지되지 않고 지속적으로 작동될 수 있게 하며, 이처럼 동력 차단에 의한 차량 정차상태에서 엔진작동이 유지되게 하는 것은 클러치 에어부스터(미도시)에 의해 자동적으로 클러치 작동이 이루어지게 하여 자동긴급제동이 수행되는 상태에서도 클러치 페달을 밟고 있는 것과 동일한 상태를 유지시킴으로써 엔진작동을 유지시키는 것이 가능하게 하는 것으로, 클러치 에어부스터(미도시)에 에어를 공급하는 마그네틱 밸브(미도시)를 제어하여, 클러치 페달을 밟지 않더라도 자동으로 밸브를 열어 클러치 에어부스터를 동작시킴으로써 엔진과 파워트레인의 동력전달을 차단시키며, 다시 출발하기 위해서 클러치 페달 스위치로부터 신호를 받으면 마그네틱 밸브를 닫아서 원래 상태로 돌아가게 되는 것이다.In addition, in the fourth step (S40), after the power is cut off, the engine can be continuously operated without stopping the vehicle in a state of stopping the vehicle. The clutch is automatically operated by an air booster (not shown), so that the engine operation can be maintained by maintaining the same state as the one pressing the clutch pedal even in the state where the automatic emergency braking is performed. By controlling the magnetic valve (not shown) to supply air to the air (not shown), it automatically opens the valve to operate the clutch air booster even if the clutch pedal is not pressed, thereby shutting off power transmission between the engine and the power train, and starting the clutch again. When the signal is received from the pedal switch, close the magnetic valve It will return to the state.

제5단계(S50)는 상기 제4단계(S40)에서 차량 정차 후 운전자가 클러치를 밟게 되면 AEBS가 해지되는 동시에 ACC에 의해 차량 출발이 가능하게 한다.In the fifth step S50, when the driver steps on the clutch after stopping the vehicle in the fourth step S40, the AEBS is terminated and the vehicle can be started by the ACC.

상술한 바와 같이, 수동변속기가 장착된 차량에서 ACC를 이용해 주행 중인 경우 차량 전방에 전방차량 또는 장애물이 감지되어 자동긴급제동을 실시하게 되면 클러치를 분리시킴으로써 동력전달을 차단시키게 되는 것으로, 즉 클러치 에어부스터를 제어하여 동력전달이 차단된 상태에서도 클러치 페달을 밟고 있는 것과 동일한 상태를 유지시켜 엔진정지가 발생하지 않게 되는 것이며, 이로 인해 정차 후 자동긴급제동 상황이 해제되어 운전자가 클러치 페달을 밟게 되면 통상의 주행이 가능하게 하는 것이다.
As described above, when the vehicle equipped with the manual transmission is driving using the ACC, when the front vehicle or the obstacle is detected in front of the vehicle and the automatic emergency braking is performed, the transmission of the power is blocked by separating the clutch, that is, the clutch air. By controlling the booster, even when the power transmission is cut off, the engine is not stopped by maintaining the same state as stepping on the clutch pedal.This causes the emergency braking situation to be canceled after the vehicle stops and the driver presses the clutch pedal. It is to enable the running of.

상기와 같이 구성된 본 발명의 자동긴급제동장치 작동 시 엔진정지 방지 방법은 수동변속기가 장착된 차량에 ACC와 AEBS가 추가로 구비되되; 차량 주행 중 상기 ACC를 통해 전방물체를 감지하여 안전거리를 계산하고 제동 여부를 판단하는 제1단계와; 상기 제1단계에서 주행 중인 차량과 전방물체가 일정거리 이하로 근접 시 충돌경보를 발생시켜 상기 AEBS를 통해 자동긴급제동을 실시하는 제2단계와; 상기 제2단계에서 감속 중인 차량의 속도를 확인하여, 차속이 일정속도 이하인지 판단하는 제3단계와; 상기 제3단계에서 차속이 일정속도 이하인 경우 동력을 차단하여 차량을 정차시키는 제4단계와; 상기 제4단계에서 차량 정차 후 클러치를 밟게 되면 차량 출발이 가능하게 하는 제5단계로 구성되어 수동변속기용 차량에서 긴급제동 시 엔진정지가 발생하지 않게 함으로써 상품성을 향상시키는 동시에 엔진정지로 인해 발생되는 위험요소를 차단하여 안전성을 증대시키는데 탁월한 이점을 가진 발명인 것이다.
Engine stop prevention method when the automatic emergency braking device of the present invention configured as described above is further provided with ACC and AEBS in a vehicle equipped with a manual transmission; A first step of sensing a front object through the ACC while calculating a safety distance and determining whether to brake; A second step of generating an emergency alarm by generating a collision alarm when the vehicle in front of the vehicle and the front object approach a predetermined distance or less in the first step; A third step of checking a speed of the vehicle being decelerated in the second step to determine whether the vehicle speed is equal to or less than a predetermined speed; A fourth step of stopping the vehicle by cutting off power when the vehicle speed is lower than the predetermined speed in the third step; In the fourth step, when the clutch is pressed after the vehicle is stopped, the fifth step is configured to enable the vehicle to start. Therefore, the engine stop does not occur during emergency braking in the manual transmission vehicle, thereby improving the merchandise and occurring due to the engine stop. It is an invention having an excellent advantage in increasing safety by blocking a risk factor.

이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 본 발명의 기술사상과 아래에 기재될 특허청구범위 내에서 다양한 수정 및 변형이 가능함은 물론이다.
As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of the claims to be described.

S10 : 제1단계 S20 : 제2단계
S30 : 제3단계 S40 : 제4단계
S50 : 제5단계S10: first step S20: second step
S30: third step S40: fourth step
S50: 5th step

Claims (3)

수동변속기가 장착된 차량에 ACC(Adaptive Cruise Control, 적응형 자동주행장치)와 AEBS(Automatic Emergency Brake System, 자동긴급제동 시스템)가 추가로 구비되되;
차량 주행 중 상기 ACC를 통해 전방물체를 감지하여 안전거리를 계산하고 제동 여부를 판단하는 제1단계와;
상기 제1단계에서 주행 중인 차량과 전방물체가 일정거리 이하로 근접 시 충돌경보를 발생시켜 상기 AEBS를 통해 자동긴급제동을 실시하는 제2단계와;
상기 제2단계에서 감속 중인 차량의 속도를 확인하여, 차속이 일정속도 이하인지 판단하는 제3단계와;
상기 제3단계에서 차속이 일정속도 이하인 경우 동력을 차단하여 차량을 정차시키는 제4단계와;
상기 제4단계에서 차량 정차 후 클러치를 밟게 되면 차량 출발이 가능하게 하는 제5단계로 구성되는 것을 특징으로 하는 자동긴급제동장치 작동 시 엔진정지 방지 방법.
Vehicles equipped with manual transmissions are additionally equipped with ACC (Adaptive Cruise Control) and AEBS (Automatic Emergency Brake System);
A first step of sensing a front object through the ACC while calculating a safety distance and determining whether to brake;
A second step of generating an emergency alarm by generating a collision alarm when the vehicle in front of the vehicle and the front object approach a predetermined distance or less in the first step;
A third step of checking a speed of the vehicle being decelerated in the second step to determine whether the vehicle speed is equal to or less than a predetermined speed;
A fourth step of stopping the vehicle by cutting off power when the vehicle speed is lower than the predetermined speed in the third step;
And stopping the vehicle after stopping the vehicle in the fourth step, wherein the engine stops when the automatic emergency braking device is operated.
제 1항에 있어서, 상기 제3단계 및 제4단계에서 동력 차단을 위한 차속은 10km/h 이하로 제한하는 것을 특징으로 하는 자동긴급제동장치 작동 시 엔진정지 방지 방법.
The method of claim 1, wherein the vehicle speed for power cut off in the third and fourth stages is limited to 10 km / h or less.
제 1항에 있어서, 상기 제4단계에서 동력 차단 후 차량 정차 시 엔진 작동은 유지되게 하는 것을 특징으로 하는 자동긴급제동장치 작동 시 엔진정지 방지 방법.
The method of claim 1, wherein the engine operation is maintained when the vehicle is stopped after the power is shut off in the fourth step.
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