KR20050017642A - Automatic-lineup device in parking a car and method for controlling thereof - Google Patents
Automatic-lineup device in parking a car and method for controlling thereofInfo
- Publication number
- KR20050017642A KR20050017642A KR1020030054979A KR20030054979A KR20050017642A KR 20050017642 A KR20050017642 A KR 20050017642A KR 1020030054979 A KR1020030054979 A KR 1020030054979A KR 20030054979 A KR20030054979 A KR 20030054979A KR 20050017642 A KR20050017642 A KR 20050017642A
- Authority
- KR
- South Korea
- Prior art keywords
- wheel
- alignment device
- automatic
- driving
- wheels
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/027—Parking aids, e.g. instruction means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0466—Controlling the motor for returning the steering wheel to neutral position
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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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Description
본 발명은 자동차의 주차시 바퀴 자동정렬장치 및 그 제어방법에 관한 것으로서, 더욱 상세하게는 엔진 시동 오프시에 클러스터 내의 제어유닛에서 조향각 센서로부터의 바퀴각도를 감지하여 그 바퀴각도가 기준값 이상인 경우에 휠구동용 액츄에이터를 구동시켜 바퀴가 일렬로 자동 정렬될 수 있도록 하는 한편, 바퀴 자동정렬장치가 작동되지 않거나 바퀴정렬이 되지 않을 경우에는 자동정렬장치의 고장으로 판단하여 경고등을 점등시켜 운전자에게 인식시킴으로써, 상기 바퀴의 정렬되지 않은 상태를 인지하지 못한 운전자가 차량을 기동하여 발생할 수 있는 접촉사고 등을 미연에 방지할 수 있는 자동차의 주차시 바퀴 자동정렬장치 및 그 제어방법에 관한 것이다. The present invention relates to a device for automatically arranging wheels when a vehicle is parked and a control method thereof, and more particularly, when a wheel angle from a steering angle sensor is sensed by a control unit in a cluster when an engine is turned off, and the wheel angle is greater than or equal to a reference value. By driving the actuator for wheel driving, the wheels can be automatically aligned in a line.If the wheel alignment device does not operate or the wheel alignment does not work, it is determined that the automatic alignment device is broken and the warning light is turned on to recognize the driver. In addition, the present invention relates to an automatic wheel alignment device and a method of controlling the same when the vehicle is parked, which can prevent a driver accident, etc., caused by a driver who does not recognize the misaligned state of the wheel.
일반적으로, 자동차를 좁은 공간에 주차시킬 경우, 바퀴가 일렬로 정렬이 되지 않은 경우가 종종 발생하게 된다. In general, when a car is parked in a narrow space, wheels are often not aligned in a line.
이후, 운전자가 이에 대한 인식을 하지 않은 상태에서, 자동차의 시동을 온(on)시키고, 악셀러레이터를 밟게 되면, 자동차의 바퀴가 정렬되지 않은 상태에서 출발하는 경우가 생기게 되고, 이로인해 운전자는 접촉사고를 일으킬 우려가 있다. Thereafter, when the driver is not aware of this and the vehicle is started and the accelerator is pressed, the wheels of the vehicle may start out of alignment, thereby causing the driver to It may cause contact accident.
따라서, 운전자는 항상 자동차에 탑승하기 전에 바퀴의 정렬상태를 미리 체크해야 하는 번거로움이 있으며, 자칫 잊어버릴 경우, 상기와 같은 접촉사고가 언제든지 발생할 수 있는 상황에 처해지게 된다.Therefore, the driver always has to check the alignment state of the wheel before boarding the car, and if you forget it, you will be in a situation where such contact accidents can occur at any time.
따라서, 본 발명은 상기와 같은 문제점을 해결하기 위해 발명한 것으로서, 엔진 시동 오프시에 클러스터 내의 제어유닛에서 조향각 센서로부터의 바퀴각도를 감지하여 상기 감지된 각도를 수직중심선과 비교 검출하여 그 바퀴각도가 기준값 이상인 경우에 휠구동용 액츄에이터를 구동시켜 바퀴가 일렬로 자동 정렬될 수 있도록 하는 한편, 바퀴 자동정렬장치가 작동되지 않거나 바퀴정렬이 되지 않을 경우에는 자동정렬장치의 고장으로 판단하여 경고등을 점등시켜 운전자에게 인식시킬 수 있는 자동차의 주차시 바퀴 자동정렬장치 및 그 제어방법을 제공하는데 그 목적이 있다.Therefore, the present invention has been invented to solve the above problems, the wheel angle from the steering angle sensor in the control unit in the cluster when the engine is turned off by detecting the detected angle compared to the vertical center line and the wheel angle When the wheel drive is over the reference value, drive the wheel drive actuator so that the wheels can be automatically aligned in a line.If the wheel alignment device does not operate or the wheel alignment does not occur, the warning light is judged as the failure of the automatic alignment device. It is an object of the present invention to provide an automatic wheel alignment device and a control method for parking a car that can be recognized by the driver.
이하, 상기와 같은 목적을 달성하기 위한 본 발명의 특징에 대해 설명하면 다음과 같다. Hereinafter, the features of the present invention for achieving the above object are as follows.
본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치는 자동차 바퀴의 각도 변화를 감지하는 조향각 센서(10)와; 점화스위치(11)의 엔진 시동 오프시 상기 조향각 센서(10)의 감지신호를 입력받아 이에 해당되는 전압을 출력하는 제어유닛(12)과; 상기 제어유닛(12)의 제어에 의해 바퀴가 일렬로 자동 정렬되도록 구동하는 휠구동용 액츄에이터(14)와; 바퀴 자동정렬장치가 작동되지 않거나 바퀴가 정렬이 되지 않을 경우, 상기 바퀴 자동정렬장치의 고장으로 판단하여 점등되는 경고등(13)으로 구성된 것을 특징으로 한다.The automatic wheel alignment device for parking a vehicle according to the present invention includes a steering angle sensor 10 for detecting an angle change of the wheel of the vehicle; A control unit 12 which receives a detection signal of the steering angle sensor 10 and outputs a corresponding voltage when the engine of the ignition switch 11 is started; A wheel driving actuator 14 which drives the wheels to be automatically aligned in a line by the control of the control unit 12; When the wheel automatic alignment device does not operate or the wheel is not aligned, it is characterized by consisting of a warning light 13 which is determined to be turned on by the failure of the automatic wheel alignment device.
이와 같이 구성된 자동차의 주차시 바퀴 자동정렬장치의 제어방법은 엔진 시동 오프시 바퀴 자동정렬장치의 회로구동 실시여부를 판단하는 단계와;The control method of the automatic wheel alignment device during parking of the vehicle configured as described above includes determining whether circuit driving of the automatic wheel alignment device is performed when the engine is turned off;
상기 바퀴 자동정렬장치의 구동회로가 자동으로 구동상태에 있을 경우, 조향각 센서(10)에서 바퀴의 각도를 감지하며, 상기 바퀴 자동정렬장치의 구동회로가 자동으로 구동상태에 있지 않을 경우, 경고하기 위한 경고등(13)을 점등시키는 단계와;When the driving circuit of the wheel alignment device is in the driving state automatically, the steering angle sensor 10 detects the angle of the wheel, and if the driving circuit of the wheel alignment device is not automatically in the driving state, warning Lighting a warning light 13 for;
상기 조향각 센서(10)에서 감지된 바퀴의 초기각도와 기 설정된 기준각도를 비교 검출하는 단계와;Comparing and detecting an initial angle of the wheel detected by the steering angle sensor 10 with a preset reference angle;
상기 바퀴의 초기각도 〉10°인 경우, 바퀴가 일렬로 정렬될 수 있도록 휠구동용 액츄에이터(14)를 구동시키고, 초기각도 ≤10°인 경우, 전단계로 복귀되어 조향각 센서(10)의 입력값을 처리하는 단계와;When the initial angle of the wheel is> 10 °, the wheel driving actuator 14 is driven so that the wheels can be aligned in a row. When the initial angle is ≤10 °, the wheel is returned to the previous stage and the input value of the steering angle sensor 10 is reached. Processing the;
상기 휠구동용 액츄에이터(14)의 정상작동 여부를 판단하여 정상작동시 바로 완료하며, 비정상작동시 경고하기 위한 경고등(13)을 점등시키는 단계를 포함하여 이루어진 것을 특징으로 한다. Judging whether or not the wheel driving actuator 14 is in normal operation is completed immediately in the normal operation, it characterized in that it comprises a step of lighting a warning light 13 for warning in case of abnormal operation.
이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다. Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.
도 1은 본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치를 나타내는 구성회로도이고, 도 2는 본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치의 정렬방법을 나타내는 순서도이다.1 is a configuration circuit diagram showing an automatic wheel alignment device when parking a vehicle according to the present invention, Figure 2 is a flow chart showing an alignment method of the automatic wheel alignment device when parking a vehicle according to the present invention.
본 발명은 도 1에 도시된 바와 같이, 자동차 바퀴의 각도 변화를 감지하는 조향각 센서(10)와, 상기 조향각 센서(10)의 감지신호를 입력받아 이에 해당되는 전압을 출력하는 제어유닛(12)과, 상기 제어유닛(12)의 제어에 의해 바퀴가 일렬로 자동 정렬되도록 구동하는 구동모터 방식의 휠구동용 액츄에이터(14)와, 바퀴 자동정렬장치가 작동되지 않거나 바퀴가 정렬이 되지 않을 경우, 상기 바퀴 자동정렬장치의 고장으로 판단하여 점등되는 경고등(13)으로 구성되어 있다. As shown in FIG. 1, the steering angle sensor 10 that detects a change in an angle of an automobile wheel, and a control unit 12 that receives a detection signal of the steering angle sensor 10 and outputs a voltage corresponding thereto. And, when the wheel drive actuator 14 of the drive motor type driving the wheels to be automatically aligned in a line by the control of the control unit 12, the wheel automatic alignment device does not operate or the wheels are not aligned, It is composed of a warning light (13) which is determined to be the failure of the automatic wheel alignment device.
여기서, 상기 제어유닛(12)은 조향각 센서(10)의 감지신호에 따라 경고등(13) 작동 및 액츄에이터(14) 구동을 제어하도록 임의의 구성으로 할 수 있으나, 일예로는 상기 조건에 따라 설정된 로직을 수행하도록 프로그램된 마이크로 프로세서라 할 수 있으며, 먼저, 이것은 자동차의 시동이 오프된 상태를, 자동차 엔진의 점화스위치(11) 상태를 검출하여 판단하게 되며, 상기와 같은 판단에 의해 자동차가 주차된 상태라고 판단하게 되면, 바퀴 자동정렬장치의 구동회로가 자동으로 구동상태에 있는지 판단하고 상기와 같은 구성을 작동시키게 되는 것이다.Here, the control unit 12 may be any configuration to control the operation of the warning light 13 and the driving of the actuator 14 according to the detection signal of the steering angle sensor 10, for example, the logic set according to the above conditions It may be referred to as a microprocessor programmed to perform the above, first, it is determined by detecting the state of the ignition switch 11 of the vehicle engine, the starting state of the vehicle, the vehicle is parked by the above judgment If it is determined that the state, the driving circuit of the automatic wheel alignment device is automatically judged whether the driving state is to operate the configuration as described above.
상기와 같이 구성된 자동차의 주차시 바퀴 자동정렬장치의 작동원리을 설명하기 위해 도 2에 도시된 작동순서를 나타낸 순서도를 참조하여 설명하면 다음과 같다. When explaining the operation principle of the automatic wheel alignment device when parking the vehicle configured as described above with reference to the flowchart showing the operation sequence shown in Figure 2 as follows.
먼저, 운전자가 엔진 시동을 오프시키면, 제어유닛(12)은 자동차의 시동이 오프된 상태인 것을 판단한 다음에 바퀴 자동정렬장치의 구동회로가 자동으로 구동되는지를 판단하게 된다.First, when the driver turns off the engine start, the control unit 12 determines that the vehicle is turned off, and then determines whether the driving circuit of the wheel alignment device is automatically driven.
이때, 상기 바퀴 자동정렬장치의 구동회로가 구동상태에 있을 경우, 조향각 센서(10)는 바퀴의 초기각도를 감지하고, 그 감지신호를 제어유닛(12)에 전달하게 되며, 상기 제어유닛(12)은 노면에 접지되어 있는 바퀴의 수직중심선으로 기 설정된 기준각도와 상기 조향각 센서(10)에 의해 감지된 바퀴의 초기각도를 비교 검출하여 상기 초기각도가 기준각도를 초과할 경우, 즉 초기각도 〉10°일 경우, 휠구동용 액츄에이터(14)를 구동시켜 바퀴가 상기 수직중심선, 즉 일렬로 자동 정렬되도록 한다.At this time, when the driving circuit of the automatic wheel alignment device is in the driving state, the steering angle sensor 10 detects the initial angle of the wheel, and transmits the detection signal to the control unit 12, the control unit 12 ) Is a vertical center line of the wheel grounded on the road surface and compares the preset reference angle with the initial angle of the wheel detected by the steering angle sensor 10 so that the initial angle exceeds the reference angle, that is, the initial angle〉 10 °, the wheel driving actuator 14 is driven so that the wheels are automatically aligned in the vertical center line, that is, in a line.
한편, 상기 조향각 센서(10)에 의해 감지된 바퀴의 초기각도를 비교 검출하여 상기 초기각도가 기준각도 이하일 경우, 즉 초기각도 ≤ 10° 이하일 경우, 바로 전단계로 복귀되어 다시 조향각 센서(10)의 입력값을 처리하여 바퀴의 각도를 감지하게 된다.Meanwhile, when the initial angle of the wheel detected by the steering angle sensor 10 is detected by comparison, when the initial angle is less than or equal to the reference angle, that is, when the initial angle ≤ 10 ° or less, the steering angle sensor 10 returns to the previous stage again. The input value is processed to detect the wheel angle.
한편, 상기와 같이 초기각도가 기준각도인 10°를 초과하게 되면 휠구동용 액츄에이터(14)가 자동으로 작동하여 바퀴가 일렬로 정렬하여야 하는데, 바퀴의 정렬이 이루어지지 않을 경우에는 상기 자동정렬장치의 고장으로 판단하여 경고등(13)을 점등시키게 된다. On the other hand, when the initial angle exceeds 10 °, the reference angle as described above, the wheel driving actuator 14 is automatically operated to align the wheels in a row, if the alignment of the wheel is not made, the automatic alignment device It is determined that the failure of the warning light 13 is turned on.
또한, 상기 바퀴 자동정렬장치가 구동상태에 있지 않을 경우도 마찬가지로, 상기 제어유닛(12)은 경고등(13)을 일정 시간동안 점등시켜 바퀴 자동정렬장치가 고장상태에 있다는 것을 운전자에게 알리게 되며, 이로써, 바퀴의 비틀린 상태를 인지하지 못한 운전자가 차량을 기동하여 발생할 수 있는 접촉사고를 미연에 방지할 수 있도록 한다. In addition, even when the wheel alignment device is not in a driving state, the control unit 12 lights the warning light 13 for a predetermined time to inform the driver that the wheel alignment device is in a broken state. In this way, the driver who is not aware of the twisted state of the wheel can start the vehicle and prevent the accident from occurring.
상술한 바와 같이, 본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치 및 그 제어방법에 의하면, 운전자가 엔진 시동오프시 바퀴의 각도를 감지하여 일렬로 자동 정렬되도록 함으로써, 바퀴의 비틀린 상태를 인지하지 못하고 출발하게 되어 야기되는 접촉사고 등을 방지함은 물론 운전 편의성 및 기능 상의 고급화로 자동차의 품질을 한차원 업그레이드 시키는 효과가 있다. As described above, according to the present invention, the automatic wheel alignment device and the control method thereof for parking a vehicle according to the present invention do not recognize the twisted state of the wheel by allowing the driver to automatically align the line by sensing the angle of the wheel when the engine is turned off. It prevents contact accidents caused by not starting, and also has the effect of upgrading the quality of the car to the next level by improving driving convenience and function.
도 1은 본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치를 나타내는 구성회로도,1 is a configuration circuit diagram showing an automatic wheel alignment device when parking a vehicle according to the present invention,
도 2는 본 발명에 따른 자동차의 주차시 바퀴 자동정렬장치의 정렬방법을 나타내는 순서도이다.Figure 2 is a flow chart illustrating a method of aligning the automatic wheel alignment device when parking a vehicle according to the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
10 : 조향각 센서 11 : 점화스위치10: steering angle sensor 11: ignition switch
12 : 제어유닛 13 : 경고등12: control unit 13: warning light
14 : 휠구동용 액츄에이터14: Actuator for Wheel Drive
Claims (2)
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KR1020030054979A KR20050017642A (en) | 2003-08-08 | 2003-08-08 | Automatic-lineup device in parking a car and method for controlling thereof |
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KR1020030054979A KR20050017642A (en) | 2003-08-08 | 2003-08-08 | Automatic-lineup device in parking a car and method for controlling thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100804754B1 (en) * | 2007-02-27 | 2008-02-19 | 쌍용자동차 주식회사 | Device and method for automatic lineup control of automobile front wheel |
CN105292245A (en) * | 2015-11-13 | 2016-02-03 | 天津同捷汽车设计有限公司 | Automatic automobile wheel righting system |
CN106741176A (en) * | 2016-12-26 | 2017-05-31 | 浙江吉利控股集团有限公司 | Aligning device is guided in a kind of alarm for parking steering wheel |
KR20190118715A (en) * | 2018-04-11 | 2019-10-21 | 주식회사 만도 | Steer by wier type steering apparatus |
CN111824242A (en) * | 2019-04-18 | 2020-10-27 | 观致汽车有限公司 | Automatic homing method and system for steering wheel of vehicle |
-
2003
- 2003-08-08 KR KR1020030054979A patent/KR20050017642A/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100804754B1 (en) * | 2007-02-27 | 2008-02-19 | 쌍용자동차 주식회사 | Device and method for automatic lineup control of automobile front wheel |
CN105292245A (en) * | 2015-11-13 | 2016-02-03 | 天津同捷汽车设计有限公司 | Automatic automobile wheel righting system |
CN106741176A (en) * | 2016-12-26 | 2017-05-31 | 浙江吉利控股集团有限公司 | Aligning device is guided in a kind of alarm for parking steering wheel |
KR20190118715A (en) * | 2018-04-11 | 2019-10-21 | 주식회사 만도 | Steer by wier type steering apparatus |
CN111824242A (en) * | 2019-04-18 | 2020-10-27 | 观致汽车有限公司 | Automatic homing method and system for steering wheel of vehicle |
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