KR20060057890A - Speed control method of automatic transmission vehicle - Google Patents

Speed control method of automatic transmission vehicle Download PDF

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KR20060057890A
KR20060057890A KR1020040097083A KR20040097083A KR20060057890A KR 20060057890 A KR20060057890 A KR 20060057890A KR 1020040097083 A KR1020040097083 A KR 1020040097083A KR 20040097083 A KR20040097083 A KR 20040097083A KR 20060057890 A KR20060057890 A KR 20060057890A
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South Korea
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vehicle speed
vehicle
automatic transmission
control unit
signal
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KR1020040097083A
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Korean (ko)
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임창섭
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현대자동차주식회사
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Publication of KR20060057890A publication Critical patent/KR20060057890A/en

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    • 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
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/14—Control of torque converter lock-up clutches
    • F16H61/143—Control of torque converter lock-up clutches using electric control means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Transmission Device (AREA)

Abstract

본 발명은 자동 변속 차량에서 변속 제어부 출력 속도 센서 고장이 발생하더라도 속도계 및 적산 거리계를 작동시킬 수 있는 자동 변속 차량의 차속 신호 제어방법에 관한 것으로, 차량의 각 차륜에 장착된 휠 스피드 센서를 통해 입력되는 신호를 해당되는 컨트롤 유닛에서 분석하여 차속을 검출하는 단계와; 컨트롤 유닛에서 차속을 계산하는 단계와; 계산된 차속을 캔(CAN) 통신을 통해 클러스터에 송출하여 클러스터의 속도계 및 적산 거리계에 출력하는 단계를 포함하여 이루어진다.The present invention relates to a method of controlling a vehicle speed signal of an automatic transmission vehicle that can operate a speedometer and an integrated distance meter even when a transmission control output speed sensor failure occurs in an automatic transmission vehicle. The present invention provides an input through a wheel speed sensor mounted on each wheel of a vehicle. Analyzing the signal in a corresponding control unit to detect a vehicle speed; Calculating a vehicle speed at the control unit; And transmitting the calculated vehicle speed to the cluster through CAN communication and outputting the calculated vehicle speed to the speedometer and the integrated distance meter of the cluster.

차량, 차속, 컨트롤 유닛, CAN, 클러스터Vehicle, Vehicle Speed, Control Unit, CAN, Cluster

Description

자동 변속 차량의 차속 신호 제어방법{SPEED CONTROL METHOD OF AUTOMATIC TRANSMISSION VEHICLE}Vehicle speed signal control method of automatic transmission vehicle {SPEED CONTROL METHOD OF AUTOMATIC TRANSMISSION VEHICLE}

도 1은 본 발명의 실시예에 따른 자동 변속 차량의 차속 신호 제어방법을 도시한 블록 구성 및 신호 흐름도.1 is a block configuration and signal flow diagram illustrating a vehicle speed signal control method of an automatic transmission vehicle according to an embodiment of the present invention.

본 발명은 자동 변속 차량의 차속 신호 제어방법에 관한 것이다.The present invention relates to a vehicle speed signal control method of an automatic transmission vehicle.

통상적으로, 자동변속기용 변속 제어부(TCU)는 4개의 속도(SPEED) 신호를 사용한다.Typically, the transmission control unit (TCU) for the automatic transmission uses four speed signals.

즉, 입력속도 센서(Input Speed Sensor), 출력 속도 센서(Output Speed Sensor), 차속 센서(Vehicle Speed Sensor), 엔진 속도(Engine RPM ; CAN 통신을 이용하여 신호 수신)를 사용한다.That is, an input speed sensor, an output speed sensor, a vehicle speed sensor, and an engine speed (engine RPM; signal reception using CAN communication) are used.

상기한 4가지 속도 신호 중 출력 속도 센서와 차속 센서는 서로 비례하는 값이므로 중복된 센서이다.Among the four speed signals, the output speed sensor and the vehicle speed sensor are values that are proportional to each other and thus are duplicated sensors.

실제로도 차속 센서는 변속기 제어에는 사용되지 않고, 입력/출력 속도 센서의 고장 진단용으로만 사용된다.In practice, the vehicle speed sensor is not used for transmission control, but only for fault diagnosis of the input / output speed sensor.

한편, 최근의 자동변속기는 차속 센서를 삭제하고, 3개의 속도 신호만을 이용하여 변속 제어를 수행하는 추세이다.On the other hand, the recent automatic transmission is a trend to remove the vehicle speed sensor, and to perform the shift control using only three speed signals.

위와 같은 방법을 사용할 때 차속 센서를 삭제할 경우 차속 센서의 신호를 이용하였던 미터 클러스터(METER CLUSTER)의 속도계와 적산 거리계에 제공할 차속 신호가 없어지게 되므로 이 역할을 변속 제어부(TCU)가 대신 수행하게 된다.When the vehicle speed sensor is deleted when the above method is used, the shift control unit (TCU) performs this role because there is no vehicle speed signal to be provided to the speedometer and totalizer of the meter cluster that used the signal of the vehicle speed sensor. do.

즉, 출력 속도 센서(Output Speed Sensor)의 신호 값을 이용하여 차속 센서 신호에 상당하는 신호(PWM 출력)로 변환하여 출력한다.That is, the signal value of the output speed sensor is converted into a signal (PWM output) corresponding to the vehicle speed sensor signal and output.

그런데, 출력 속도 센서가 고장 날 경우 차속 펄스를 출력할 수 없으므로 속도계 및 적산 거리계가 작동 불가한 문제점이 있다.However, when the output speed sensor fails, the vehicle speed pulse cannot be output, so that the speedometer and the integrated distance meter are inoperable.

본 발명의 목적은 자동 변속 차량에서 변속 제어부 출력 속도 센서 고장이 발생하더라도 속도계 및 적산 거리계를 작동시킬 수 있는 자동 변속 차량의 차속 신호 제어방법을 제공하는데 있다.An object of the present invention is to provide a method for controlling a vehicle speed signal of an automatic transmission vehicle that can operate a speedometer and an integrated range finder even when a transmission control output speed sensor failure occurs in an automatic transmission vehicle.

상기와 같은 목적을 달성하기 위하여 본 발명은 자동 변속 차량의 차속 신호 제어방법에 있어서, 상기 차량의 각 차륜에 장착된 휠 스피드 센서를 통해 입력되는 신호를 해당되는 컨트롤 유닛에서 분석하여 차속을 검출하는 단계와; 상기 컨트롤 유닛에서 차속을 계산하는 단계와; 상기 계산된 차속을 캔(CAN) 통신을 통해 클러스터에 송출하여 클러스터의 속도계 및 적산 거리계에 출력하는 단계를 포함하여 이루어지는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a method for controlling a vehicle speed signal of an automatic transmission vehicle, the method comprising: detecting a vehicle speed by analyzing a signal input through a wheel speed sensor mounted on each wheel of the vehicle in a corresponding control unit; Steps; Calculating a vehicle speed at the control unit; And transmitting the calculated vehicle speed to the cluster through CAN communication and outputting the calculated vehicle speed to a speedometer and an integrated distance meter of the cluster.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다. 하기 설명 및 첨부 도면과 같은 많은 특정 상세들이 본 발명의 보다 전반적인 이해를 제공하기 위해 나타나 있으나, 이들 특정 상세들은 본 발명의 설명을 위해 예시한 것으로 본 발명이 그들에 한정됨을 의미하는 것은 아니다. 그리고 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. While many specific details, such as the following description and the annexed drawings, are shown to provide a more general understanding of the invention, these specific details are illustrated for the purpose of explanation of the invention and are not meant to limit the invention thereto. And a detailed description of known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

도 1은 본 발명의 실시예에 따른 자동 변속 차량의 차속 신호 제어방법을 도시한 블록 구성 및 신호 흐름도이다.1 is a block diagram illustrating a vehicle speed signal control method for an automatic transmission vehicle according to an exemplary embodiment of the present invention.

도 1을 참조하여 본 발명의 실시예에 따른 자동 변속 차량의 차속 신호 제어방법을 설명한다.A vehicle speed signal control method of an automatic transmission vehicle according to an exemplary embodiment of the present invention will be described with reference to FIG. 1.

본 발명의 실시예는 자동 변속 차량의 각 차륜에 장착된 휠 스피드 센서(110)(Wheel Speed Sensor)를 통해 입력되는 신호를 해당되는 컨트롤 유닛(120)에서 분석하여 차속을 검출하고, 컨트롤 유닛(120)에서 차속을 계산하며, 계산된 차속을 캔(CAN) 통신을 통해 클러스터(130)(Cluster)에 송출한다.The embodiment of the present invention detects the vehicle speed by analyzing a signal input through the wheel speed sensor 110 (Wheel Speed Sensor) mounted on each wheel of the automatic transmission vehicle in the corresponding control unit 120, the control unit ( The vehicle speed is calculated at 120, and the calculated vehicle speed is transmitted to the cluster 130 through CAN communication.

여기서, 컨트롤 유닛(120)은 에이비에스(ABS) 유닛 또는 트랙션 컨트롤 시스템(TCS) 유닛으로 구성할 수 있다.Here, the control unit 120 may be configured as an ABS unit or a traction control system (TCS) unit.

상기한 바와 같이 본 발명의 실시예는 4륜 차량의 경우 4개의 차륜에 각각 설치된 휠 스피드 센서(110)의 출력값(CAN 신호)을 이용하여 에이비에스(ABS) 유닛 혹은 트랙션 컨트롤 시스템(TCS) 유닛에서 차속을 계산하여 캔(CAN) 통신으로 클러스터(130)에 송출한다.As described above, the embodiment of the present invention uses the output value (CAN signal) of the wheel speed sensor 110 installed in each of the four wheels in the case of a four-wheeled vehicle (ABS) unit or traction control system (TCS) unit The vehicle speed is calculated by the CAN and sent to the cluster 130 through CAN communication.

이때, 해당되는 컨트롤 유닛(120)에서 계산된 차속은 전용신호(Pin to Pin 방식의 PWM 신호)가 아닌 캔(CAN)통신 신호로 전송되므로 이를 필요로 하는 다른 유닛(예를 들면, 엔진 제어부(ECU), 변속 제어부(TCU), 4WD 엔진 제어부(ECU) 등)들은 필요할 때마다 차속 신호의 사용이 가능하다.At this time, the vehicle speed calculated by the corresponding control unit 120 is transmitted as a CAN communication signal instead of a dedicated signal (Pin-to-Pin PWM signal), so that another unit (for example, an engine controller) ECU, shift control unit (TCU), 4WD engine control unit (ECU, etc.) can use the vehicle speed signal whenever necessary.

본 발명의 실시예에 따라 차속 신호 계산 및 송출방법을 사용할 경우 자동변속기의 출력 속도 센서(110)(Output Speed Sensor)가 고장난 경우에도, 클러스터(130)의 속도계 및 적산 거리계 출력에 문제가 없다.In the case of using the vehicle speed signal calculation and transmission method according to the embodiment of the present invention, even when the output speed sensor 110 (Output Speed Sensor) of the automatic transmission fails, there is no problem in the output of the speedometer and the integrated rangefinder of the cluster 130.

그리고, 4바퀴의 신호를 이용하기 때문에 휠 스피드 센서(110)(Wheel Speed Sensor)중 하나가 고장 날 경우에도 나머지 3개 센서의 신호를 이용하여 계산 가능하다.In addition, since four wheel signals are used, even when one of the wheel speed sensors 110 fails, the signals of the remaining three sensors may be calculated.

상술한 바와 같이 본 발명에 따른 자동 변속 차량의 차속 신호 제어방법은 중요한 원가 절감 기술인 차속 센서 삭제 기술 적용 시, 기존 방법에서 발생할 수 있는 변속 제어부(TCU) 출력 속도 센서 고장에 의한 심각한 문제(클러스터 속도/적산 거리계 출력 불가)를 해결함으로써 신기술을 적용할 수 있게 한다.As described above, the vehicle speed signal control method of the automatic transmission vehicle according to the present invention is a serious problem caused by a failure of the speed control controller (TCU) output speed sensor that may occur in the existing method when the vehicle speed sensor deletion technology, which is an important cost saving technology, is applied (cluster speed). New technology can be applied.

또한, 차속 센서 삭제에 따른 조립부품 수의 감소 및 기존의 핀 투 핀(Pin to Pin) 방식을 회피하고 캔(CAN) 통신라인을 이용함으로써, 와이어링 단순화가 가능한 효과가 있다.In addition, by reducing the number of assembly parts due to the removal of the vehicle speed sensor and avoiding the conventional pin-to-pin method and using a CAN communication line, wiring can be simplified.

Claims (3)

자동 변속 차량의 차속 신호 제어방법에 있어서,In the vehicle speed signal control method of an automatic transmission vehicle, 상기 차량의 각 차륜에 장착된 휠 스피드 센서를 통해 입력되는 신호를 해당되는 컨트롤 유닛에서 분석하여 차속을 검출하는 단계와;Detecting a vehicle speed by analyzing a signal input through a wheel speed sensor mounted on each wheel of the vehicle in a corresponding control unit; 상기 컨트롤 유닛에서 차속을 계산하는 단계와;Calculating a vehicle speed at the control unit; 상기 계산된 차속을 캔(CAN) 통신을 통해 클러스터에 송출하여 클러스터의 속도계 및 적산 거리계에 출력하는 단계를 포함하여 이루어지는 것을 특징으로 하는 자동 변속 차량의 차속 신호 제어방법.And transmitting the calculated vehicle speed to a cluster through CAN communication and outputting the calculated vehicle speed to a speedometer and an integrated rangefinder of the cluster. 제1항에 있어서, The method of claim 1, 상기 컨트롤 유닛은 에이비에스 유닛인 것을 특징으로 하는 자동 변속 차량의 차속 신호 제어방법.The control unit is a vehicle speed signal control method of an automatic transmission vehicle, characterized in that the ABS unit. 제1항에 있어서, The method of claim 1, 상기 컨트롤 유닛은 트랙션 컨트롤 시스템 유닛인 것을 특징으로 하는 자동 변속 차량의 차속 신호 제어방법.The control unit is a vehicle speed signal control method of an automatic transmission vehicle, characterized in that the traction control system unit.
KR1020040097083A 2004-11-24 2004-11-24 Speed control method of automatic transmission vehicle KR20060057890A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828764B1 (en) * 2006-10-10 2008-05-09 현대자동차주식회사 Method for outputting speed signal, and vehicle cluster implementing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828764B1 (en) * 2006-10-10 2008-05-09 현대자동차주식회사 Method for outputting speed signal, and vehicle cluster implementing the same

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