KR950017371A

KR950017371A - Gear shift control device and method for driving in bad roads of automatic shift vehicle

Info

Publication number: KR950017371A
Application number: KR1019930026043A
Authority: KR
Inventors: 임창현
Original assignee: 전성원; 현대자동차 주식회사
Priority date: 1993-12-01
Filing date: 1993-12-01
Publication date: 1995-07-20

Abstract

자동 변속장치가 장착되어 있는 자동차로 주행도로의 노면상태가 좋지않은 도로를 고속 주행할 경우에 출력 토오크를 크게 하고 킥다운 현상을 없앨 수 있도록 하는 자동 변속차량의 험로 주행시 변속동작 제어장치 및 그 방법을 제공하기 위하여, 자동차의 주행속도를 감지하여 해당하는 신호를 측정하는 차속 감지수단과; 변속레버의 고정위치를 감지하여 해당하는 신호를 출력하는 변속레버 고정위치 감지수단과; 상기 차속 감지수단 변속레버 고정위치 감지수단에 연결되어, 차속 감지수단에서 인간되는 신호를 이용하여 자동차의 주행속도를 판단하여, 설정된 속도이하일 경우에, 변속레버 고정위치 감지수단에서 인가되는 신호를 이용하여 현재 고정되어 잇는 변속레버의 위치를 판단하여 주행단(D)에 고정되어 있는지를 판단하고, 변속레버의 고정위치 주행단(D)에 고정되어 있을 경우에 주행속도에 따른 가속도 신호의 크기를 산출하여 주기와 진폭이 설정영역에 존재하는지를 판단하고, 설정영역에 존재할 경우에 변속동작이 설정된 상태를 유지할 수 있도록 하는 제어신호를 출력하는 변속 제어수단과; 상기 변속 제어수단과 연결되어, 인가되는 제어신호에 따라 설정된 변속동작이 이루어질 수 있도록 유압을 제어하는 변속장치로 이루어져 있다.Gear shifting operation control device and method for driving the hum road of the automatic transmission vehicle to increase the output torque and eliminate the kickdown phenomenon when driving at high speed on roads with poor speed In order to provide a vehicle speed detection means for detecting a corresponding signal by detecting the traveling speed of the vehicle; A shift lever fixed position detecting unit for detecting a fixed position of the shift lever and outputting a corresponding signal; It is connected to the vehicle speed detecting means shift lever fixed position detecting means, and determines the traveling speed of the vehicle by using a signal human being in the vehicle speed detecting means, and when the speed is less than the set speed, the signal applied from the shift lever fixing position detecting means The position of the shift lever that is currently fixed to determine whether it is fixed to the driving stage (D), and when the fixed position of the shift lever is fixed to the driving stage (D), A shift control means for calculating and determining whether the period and amplitude exist in the setting region, and outputting a control signal for maintaining the set state when the shift operation is present in the setting region; It is connected to the shift control means, it consists of a transmission device for controlling the hydraulic pressure so that the set shift operation is made in accordance with the applied control signal.

Description

Gear shift control device and method for driving in bad roads of automatic shift vehicle

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 별명의 실시예에 따른 자동 변속차량의 험로주행시 변속동작 제어장치의 블럭도,1 is a block diagram of a shift control apparatus when driving in a rough road of an automatic shift vehicle according to an embodiment of the present invention;

제2도는 이 발명의 실시예에 따른 자동 변속차량의 험로주행시 변속동작 제어방법의 동작 순서도,2 is a flowchart illustrating a method of controlling a shift operation when driving on a bad road of an automatic shift vehicle according to an exemplary embodiment of the present invention;

제3도는 이 발명의 실시예에 따른 가속도신호의 파형도이다.3 is a waveform diagram of an acceleration signal according to an embodiment of the present invention.

Claims

Vehicle speed detecting means for detecting a driving speed of a vehicle and measuring a corresponding signal; A shift lever fixed position detecting unit for detecting a fixed position of the shift lever and outputting a corresponding signal; It is connected to the vehicle speed detecting means and the shift lever fixed position detecting means, and determines the driving speed of the vehicle by using the signal obtained from the vehicle speed detecting means, and when the speed is lower than the set speed, the signal applied from the shift lever fixing position detecting means It judges whether it is fixed to the driving stage D by judging the position of the shifting lever that is currently fixed, and when the fixed position of the shifting lever is fixed to the driving stage D, Shift control means for calculating the magnitude to determine whether the period and the amplitude exist in the setting area, and outputting a control signal for maintaining the set state when the shift operation is present in the setting area; And a shift control device connected to the shift control means, the shift control device configured to control hydraulic pressure so that the shift operation is set according to an applied control signal.

Determining a driving speed of the vehicle by using a signal applied from the vehicle speed detecting means, and comparing the driving speed with a set speed; Determining a fixed position of the shift lever by using a signal applied from the shift lever fixed position detecting means when the driving speed of the vehicle is less than or equal to the set speed, and determining whether the shift speed is present in the set shift stage; Calculating an acceleration according to the traveling speed when the fixed position of the shift lever is located at the set shift stage; And outputting a corresponding control signal to continue the shifting operation as long as the shifting operation of the vehicle is set when the calculated acceleration signal is present in the setting region. Control method.

※ Note: The disclosure is based on the initial application.