KR100308943B1 - Automatic transmission control system and control method thereof - Google Patents

Automatic transmission control system and control method thereof Download PDF

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Publication number
KR100308943B1
KR100308943B1 KR1019950066796A KR19950066796A KR100308943B1 KR 100308943 B1 KR100308943 B1 KR 100308943B1 KR 1019950066796 A KR1019950066796 A KR 1019950066796A KR 19950066796 A KR19950066796 A KR 19950066796A KR 100308943 B1 KR100308943 B1 KR 100308943B1
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South Korea
Prior art keywords
lever
vehicle speed
switch
shift
signal output
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KR1019950066796A
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Korean (ko)
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KR970046682A (en
Inventor
윤종석
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이계안
현대자동차주식회사
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Priority to KR1019950066796A priority Critical patent/KR100308943B1/en
Publication of KR970046682A publication Critical patent/KR970046682A/en
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Publication of KR100308943B1 publication Critical patent/KR100308943B1/en

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    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over 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
    • 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
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • 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
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/161—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed by checking feasibility of shifts, i.e. determine if requested shift can be successfully completed and post shift values are in an acceptable range
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/163—Holding the gear for delaying gear shifts under unfavorable conditions, e.g. during cornering
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/166—Preventing or initiating shifts for preventing stall or overspeed of engine
    • 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
    • F16H61/24—Providing feel, e.g. to enable selection
    • F16H2061/248—Providing feel, e.g. to enable selection with audible signals for providing selection or shift feed back

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Control Of Transmission Device (AREA)

Abstract

PURPOSE: An automatic transmission control system and a control method thereof are provided to protect an automatic transmission and to prevent an accident by restraining the shift lever movement while a lever switch is not pressed. CONSTITUTION: An automatic transmission control system comprises a vehicle speed sensing unit(10) to sense the speed of a vehicle and output an electrical signal, a lever switch sensing unit(20) to sense the on/off state of a lever switch and output an electrical signal, a control unit(30) to output an electrical signal when the lever switch is not turned on, a shift lever locking unit(40) to prevent the upward movement of a shift lever, and an alarm(50) to warn a driver. If a driver tries to move the shift lever to the N(Neutral) range from the D(Driver) range without pressing of the lever switch, a shift lever locking signal is outputted by the control unit and the driver is warned.

Description

자동변속기 제어장치 및 그 방법Automatic transmission control device and method

제1도는 일반적인 자동변속기의 변속레버를 나타낸 사시도이고,1 is a perspective view showing a shift lever of a general automatic transmission,

제2도는 이 발명의 실시예에 따른 자동변속기 제어장치를 적용한 블럭도이고,2 is a block diagram to which the automatic transmission control apparatus according to the embodiment of the present invention is applied.

제3도는 이 발명의 실시예에 따른 자동변속기 제어 방법을 적용한 동작 순서도이다.3 is a flowchart illustrating an operation of an automatic transmission control method according to an exemplary embodiment of the present invention.

이 발명은 자동변속기 제어장치 및 그 방법에 관한 것으로서, 더 상세히 말하자면, 자동변속기가 장착된 자동차를 주행하는 데에 있어서, 변속레버(gear lever)가 ‘D’레인지(range)에 있는 상태에서, 고속으로 주행하다가, 변속레버를 ‘N’레인지로 전환하려는 경우, 레버전환 스위치를 누르지 않은 상태에서는 변속레버 전환이 일어나지 않도록 함으로써, 자동변속기를 보호하고, 안전사고를 예방하도록 하는 자동변속기 제어장치 및 그 방법에 관한 것이다.The present invention relates to an automatic transmission control device and a method thereof, and more particularly, in driving a vehicle equipped with an automatic transmission, in a state in which a gear lever is in the 'D' range, If you want to switch the shift lever to the 'N' range while driving at high speed, the automatic transmission control device to protect the automatic transmission by preventing the shift lever switching does not occur without pressing the lever change switch, and It's about how.

변속 조작이 편리하고 승차감이 좋은 장점이 있어, 자동변속기가 장착된 차량이 늘어나고 있다.There is an increase in vehicles equipped with automatic transmissions because of the advantages of convenient shift operation and good ride comfort.

이하, 첨부된 도면을 참고로 하여, 자동변속기의 변속단을 설명하기로 한다.Hereinafter, a shift stage of an automatic transmission will be described with reference to the accompanying drawings.

제1도는 일반적인 자동변속기의 변속레버를 나타낸 사시도이다.1 is a perspective view showing a shift lever of a general automatic transmission.

제1도에 도시된 것과 같이, 일반적으로 자동변속기 차량의 변속 레인지는 변속레버의 조작에 의해 선택되며, 각각 ‘P’변속 레인지, ‘R’변속 레인지, ‘N’변속 레인지, ‘D’변속 레인지, ‘2’변속 레인지, ‘L’변속 레인지 등이 있다.As shown in FIG. 1, the shift range of the automatic transmission vehicle is generally selected by operation of the shift lever, and the 'P' shift range, 'R' shift range, 'N' shift range and 'D' shift respectively. Range, '2' range, 'L' range.

상기 ‘P’변속 레인지는 주차변속 레인지로, 자동차를 주차시키는 경우에 선택하는 변속 레인지이고, ‘R’변속 레인지는 후진변속 레인지로, 자동차를 후진시키고자 하는 경우에 선택하는 변속 레인지이며, ‘N’변속 레인지 중립단으로, 자동차의 주행중 신호 대기 등으로 잠시 정차 중일 때에 선택하는 변속 레인지이다.The 'P' shift range is the parking shift range, and the shift range is selected when the vehicle is parked. The 'R' shift range is the reverse shift range, and the shift range is selected when the vehicle is to be reversed. N 'Shift range This is a shift range that is selected when the vehicle is stopped for a while due to a waiting signal of a vehicle.

그리고, ‘D’변속 레인지는 주행 변속 레인지로, 자동차 주행 변속의 ‘1’단부터 ‘4’단까지 자동 변속되는 변속 레인지이고, ‘2’변속 레인지도 주행 변속 레인지로, 자동차 주행 변속의 ‘1’단부터 ‘2’단까지만 자동 변속되는 변속 레인지이며, 2단 이하의 속도로만 주행하고자 하는 경우에 선택한다.In addition, the 'D' shift range is a shift range, the shift range is automatically shifted from the '1' to the '4' stage of the vehicle shift, and the '2' shift range is a shift range, and the ' This is a shift range that automatically shifts only from the 1 'to the' 2 ', and it is selected when you want to drive only at 2 or less speeds.

‘L’변속 레인지도 역시 주행단으로, 자동차 주행 변속의 ‘1’단에서만 머무는 변속 레인지로, 자동차 속도가 올라가더라도 계속 ‘1’단에서만 주행하게 된다.The 'L' shift range is also a driving stage, and the shift range stays only at the '1' stage of the car's driving shift, and the vehicle continues to run only at the '1' stage even when the car speed increases.

그런데, 상기 변속레버를 ‘D’레인지에 놓은 상태에서 고속으로 주행하다가, 변속레버를 ‘N’레인지로 전환하면, 자동변속기에 무리가 가고, 그에 따라 안전사고가 날 수 있는 문제점이 있다.By the way, while driving at a high speed while the shift lever is placed in the 'D' range, if the shift lever is switched to the 'N' range, there is a problem in that the automatic transmission goes unreasonably and a safety accident may occur accordingly.

따라서 이 발명의 목적은 상기와 같은 종래의 문제점을 해결하기 위한 것으로서, 자동변속기가 장착된 자동차를 주행하는 데에 있어서, 변속레버가 ‘D’레인지에 있는 상태에서, 고속으로 주행하다가, 변속레버를 ‘N’레인지로 전환하려는 경우, 레버전환 스위치를 누르지 않은 상태에서는 변속레버 전환이 일어나지 않도록 함으로써, 자동변속기를 보호하고, 안전사고를 예방하도록 하는 자동변속기 제어장치 및 그 방법을 제공하는 데에 있다.Accordingly, an object of the present invention is to solve the above-mentioned problems. In driving a vehicle equipped with an automatic transmission, the speed change lever is driven at a high speed while the shift lever is in the 'D' range. In order to switch to the 'N' range, to provide an automatic transmission control device and a method for protecting the automatic transmission and preventing safety accidents by preventing the shift lever switching does not occur without pressing the lever switch switch. have.

상기의 목적을 달성하기 위한 이 발명의 구성은,The configuration of the present invention for achieving the above object,

자동차의 차속을 감지하여, 그에 따른 전기적인 신호로 출력하는 차속 감지수단과;Vehicle speed detecting means for detecting a vehicle speed of the vehicle and outputting the electric signal accordingly;

레버전환 스위치의 온/오프(on/off)에 따라 해당하는 전기적인 신호를 출력하는 레버전환 스위치 감지수단과;Lever switch switch sensing means for outputting an electric signal corresponding to the on / off of the lever switch;

상기 차속 감지수단으로부터 출력되는 신호를 입력받아, 그 값이 기준차속 이상인 경우, 상기 레버전환 스위치 감지수단으로부터 출력되는 신호를 입력받아, 레버전환 스위치가 온되지 않은 경우, 그에 해당하는 신호를 출력하는 제어수단과;Receiving a signal output from the vehicle speed detection means, if the value is equal to or more than the reference vehicle speed, receives a signal output from the lever switch switch detection means, and outputs the corresponding signal when the lever change switch is not on Control means;

상기 제어수단으로부터 출력되는 신호에 따라 동작하여, 변속레버의 상향 전환을 방지하는 변속레버 잠금수단과;A shift lever locking means for operating in accordance with a signal output from the control means to prevent an upward shift of the shift lever;

상기 제어수단으로부터 출력되는 신호에 따라 동작하여, 운전자에게 경고의 표시를 하는 경고수단으로 이루어져 있다.It consists of warning means which operates according to the signal output from the said control means and displays a warning to a driver.

상기의 목적을 달성하기 위한 이 발명의 또 다른 구성은,Another configuration of the present invention for achieving the above object,

차속을 판독하여 기준차속과 그 값을 비교하는 단계와;Reading the vehicle speed and comparing the reference vehicle speed with its value;

상기 단계에서 판독된 차속이 기준차속보다 큰 경우, 레버전환 스위치가 온상태인지를 판단하는 단계와;Determining whether the lever changeover switch is on when the vehicle speed read in the step is larger than the reference vehicle speed;

상기 단계에서 레버전환 스위치가 오프인 경우, 변속레버가 ‘N’레인지 방향으로 전환되지 않도록 잠그는 단계로 이루어져 있다.In the above step, when the lever change switch is turned off, the shift lever is locked so as not to be switched in the 'N' range direction.

이하, 첨부된 도면을 참고로 하여 이 발명을 용이하게 실시할 수 있는 가장 바람직한 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described the most preferred embodiment that can be easily carried out this invention.

제3도에 도시되어 있듯이, 이 발명의 실시예에 따른 자동변속기 제어장치의 구성은,As shown in Figure 3, the configuration of the automatic transmission control apparatus according to an embodiment of the present invention,

자동차의 차속을 감지하여, 그에 따른 전기적인 신호로 출력하는 차속 감지부(10)와;A vehicle speed detector 10 which detects a vehicle speed of the vehicle and outputs the electrical signal accordingly;

레버전환 스위치의 온/오프(on/off)에 따라 해당하는 전기적인 신호를 출력하는 레버전환 스위치 감지부(20)와;A lever switch switch detecting unit 20 outputting an electric signal corresponding to on / off of the lever switch;

상기 차속 감지부(10)로부터 출력되는 신호를 입력받아, 그 값이 기준차속(Vref) 이상인 경우, 상기 레버전환 스위치 감지부(20)로부터 출력되는 신호를 입력받아, 레버전환 스위치가 온되지 않은 경우, 그에 해당하는 신호를 출력하는 제어부(30)와;When the signal output from the vehicle speed detection unit 10 is input and the value is equal to or greater than the reference vehicle speed Vref, the signal output from the lever changeover switch detection unit 20 is input and the lever changeover switch is not turned on. In this case, the controller 30 for outputting a signal corresponding thereto;

상기 제어부(30)로부터 출력되는 신호에 따라 동작하여, 변속레버의 상향 전환을 방지하는 변속레버 잠금장치(40)와;A shift lever locking device 40 operating according to a signal output from the controller 30 to prevent an upward shift of the shift lever;

상기 제어부(30)로부터 출력되는 신호에 따라 동작하여, 운전자에게 경고의 표시를 하는 경고장치(50)로 이루어져 있다.It consists of a warning device 50 that operates in accordance with the signal output from the control unit 30 to display a warning to the driver.

상기 경고장치(50)의 구성은,The configuration of the warning device 50,

상기 제어수단으로부터 출력되는 신호에 따라 동작하여 점등되는 경고등(51)과;A warning lamp 51 which is turned on by operating in accordance with a signal output from the control means;

상기 제어부(30)로부터 출력되는 신호에 따라 동작하여, 경고음을 내는 버저(buzzer, 52)로 이루어져 있다.It is composed of a buzzer 52 which operates according to a signal output from the controller 30 and emits a warning sound.

상기와 같이 이루어져 있는 이 발명의 동작은 다음과 같다.The operation of the present invention made as described above is as follows.

차속 감지부(10)는 자동차의 차속을 감지하여, 그에 따른 전기적인 신호로 출력하고, 레버전환 스위치 감지부(20)는 레버전환 스위치의 온/오프에 따라 해당하는 전기적인 신호를 출력한다.The vehicle speed detecting unit 10 detects a vehicle speed of the vehicle and outputs the electric signal accordingly, and the lever change switch detecting unit 20 outputs a corresponding electric signal according to the on / off of the lever change switch.

제어부(30)는 상기 차속 감지부(10)로부터 출력되는 신호를 입력받아, 그 값이 기준차속(Vref) 이상인 경우, 상기 레버전환 스위치 감지부(20)로부터 출력되는 신호를 입력받아, 레버전환 스위치가 온되지 않은 경우, 그에 해당하는 신호를 출력한다.The control unit 30 receives a signal output from the vehicle speed detecting unit 10, and receives a signal output from the lever change switch detecting unit 20 when the value is equal to or greater than the reference vehicle speed Vref and switches the lever. If the switch is not on, the corresponding signal is output.

그리고, 변속레버 잠금장치(40)는 상기 제어부(30)로부터 출력되는 신호에 따라 동작하여, 변속레버의 상향 전환을 방지하고, 경고장치(50)는 상기 제어부(30)로부터 출력되는 신호에 따라 동작하여, 운전자에게 경고의 표시를 한다.In addition, the shift lever locking device 40 operates according to the signal output from the control unit 30, thereby preventing the upward switching of the shift lever, and the warning device 50 according to the signal output from the control unit 30. To alert the driver.

상기 제어부(30)의 동작을 구체적으로 살펴보면 다음과 같다.Looking at the operation of the control unit 30 in detail as follows.

제어부(30)는 상기 차속 감지부(10)로부터 출력되는 차속(V)을 판독하여(S10) 기준차속(Vref)과 그 값을 비교한다(S20).The controller 30 reads the vehicle speed V output from the vehicle speed detection unit 10 (S10) and compares the value with the reference vehicle speed Vref (S20).

상기 단계(S20)에서, 판독된 차속(V)이 기준차속(Vref)보다 큰 경우, 제어부(30)는 상기 레버전환 스위치 감지부(20)로부터 출력되는 레버전환 스위치 신호가 온상태인지의 여부를 판단한다(S30).In step S20, when the read vehicle speed V is greater than the reference vehicle speed Vref, the controller 30 determines whether the lever change switch signal output from the lever change switch detection unit 20 is on. Determine (S30).

상기 단계(S30)에서 레버전환 스위치가 오프인 경우, 변속레버가 ‘N’레인지 방향으로 전환되지 않도록 잠금신호를 출력하고(S40), 운전자에게 변속레버 전환을 제고할 수 있도록 경고신호를 출력한다(S50).When the lever change switch is turned off in step S30, the lock lever outputs a lock signal so that the shift lever does not switch in the 'N' range direction (S40), and outputs a warning signal to enhance the shift lever switch to the driver. (S50).

경고장치(50)는 상기 제어부로부터 출력되는 경고신호에 따라 운전자에게 그 사실을 알리는데, 경고등(51)을 점등하거나, 또는 버저(52)를 이용하여 경고음을 발생시킨다.The warning device 50 notifies the driver of the fact according to the warning signal output from the controller, and turns on the warning light 51 or generates a warning sound using the buzzer 52.

상기와 같이 함으로써, 운전자가 고속 주행중에 변속레버를 ‘N’레인지로 전환함에 따라 일어날 수 있는 안전사고를 방지할 수 있으며, 자동변속기가 손상되는 것을 막을 수 있다.By doing the above, it is possible to prevent a safety accident that can occur when the driver switches the shift lever to the 'N' range while driving at high speed, and can prevent the automatic transmission from being damaged.

따라서, 상기와 같이 동작하는 이 발명의 효과는, 자동변속기가 장착된 자동차를 주행하는 데에 있어서, 변속레버가 ‘D’레인지에 있는 상태에서, 고속으로 주행하다가, 변속레버를 ‘N’레인지로 전환하려는 경우, 레버전환 스위치를 누르지 않은 상태에서는 변속레버 전환이 일어나지 않도록 함으로써, 자동변속기를 보호하고, 안전사고를 예방하도록 한 것이다.Therefore, the effect of the present invention operating as described above is that when driving a vehicle equipped with an automatic transmission, the vehicle is driven at a high speed while the shift lever is in the 'D' range, and the shift lever is 'N' range. If the switch is to be switched to, the shift lever does not occur when the lever switch is not pressed, thereby protecting the automatic transmission and preventing safety accidents.

Claims (5)

자동차의 차속을 감지하여, 그에 따른 전기적인 신호로 출력하는 차속 감지수단과;Vehicle speed detecting means for detecting a vehicle speed of the vehicle and outputting the electric signal accordingly; 레버전환 스위치의 온/오프에 따라 해당하는 전기적인 신호를 출력하는 레버전환 스위치 감지수단과;Lever switch switch detecting means for outputting a corresponding electric signal according to the on / off of the lever switch; 상기 차속 감지수단으로부터 출력되는 신호를 입력받아, 그 값이 기준차속 이상인 경우, 상기 레버전환 스위치 감지수단으로부터 출력되는 신호를 입력받아, 레버전환 스위치가 온되지 않은 경우, 그에 해당하는 신호를 출력하는 제어수단과;Receiving a signal output from the vehicle speed detection means, if the value is equal to or more than the reference vehicle speed, receives a signal output from the lever switch switch detection means, and outputs the corresponding signal when the lever change switch is not on Control means; 상기 제어수단으로부터 출력되는 신호에 따라 동작하며, 변속레버의 상향 전환을 방지하는 변속레버 잠금수단과;A shift lever locking means operating according to a signal output from the control means and preventing an upward shift of the shift lever; 상기 제어수단으로부터 출력되는 신호에 따라 동작하며, 운전자에게 경고의 표시를 하는 경고수단으로 이루어져 있는 것을 특징으로 하는 자동변속기 제어장치.And a warning means for operating in accordance with a signal output from the control means and displaying a warning to the driver. 제1항에 있어서,The method of claim 1, 상기 경고수단의 구성은,The configuration of the warning means, 상기 제어수단으로부터 출력되는 신호에 따라 동작하여 점등되는 경고등으로 이루어져 있는 것을 특징으로 하는 자동변속기 제어장치.An automatic transmission control device, characterized in that consisting of a warning light that operates in accordance with the signal output from the control means. 제1항에 있어서,The method of claim 1, 상기 경고수단의 구성은,The configuration of the warning means, 상기 제어수단으로부터 출력되는 신호에 따라 동작하여, 경고음을 내는 버저로 이루어져 있는 것을 특징으로 하는 자동변속기 제어장치.And a buzzer which emits a warning sound by operating according to a signal output from the control means. 차속을 판독하여 기준차속과 그 값을 비교하는 단계와;Reading the vehicle speed and comparing the reference vehicle speed with its value; 상기 단계에서 판독된 차속이 기준차속보다 큰 경우, 레버전환 스위치가 온상태인지를 판단하는 단계와;Determining whether the lever changeover switch is on when the vehicle speed read in the step is larger than the reference vehicle speed; 상기 단계에서 레버전환 스위치가 오프인 경우, 변속레버가 ‘N’레인지 방향으로 전환되지 않도록 잠그는 단계로 이루어져 있는 것을 특징으로 하는 자동변속기 제어 방법.And if the lever changeover switch is off in the step, locking the shift lever so as not to be switched in the 'N' range direction. 제4항에 있어서,The method of claim 4, wherein 판독된 차속이 기준차속보다 크고, 레버전환 스위치가 오프인 경우, 운전자에게 경고하는 단계를 더 포함하는 것을 특징으로 하는 자동변속기 제어 방법.If the read vehicle speed is greater than the reference vehicle speed and the lever changeover switch is off, further comprising a step of alerting the driver.
KR1019950066796A 1995-12-29 1995-12-29 Automatic transmission control system and control method thereof KR100308943B1 (en)

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