KR950013795A - Transmission device and control method in downhill mode of automatic transmission vehicle - Google Patents

Transmission device and control method in downhill mode of automatic transmission vehicle Download PDF

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Publication number
KR950013795A
KR950013795A KR1019930023503A KR930023503A KR950013795A KR 950013795 A KR950013795 A KR 950013795A KR 1019930023503 A KR1019930023503 A KR 1019930023503A KR 930023503 A KR930023503 A KR 930023503A KR 950013795 A KR950013795 A KR 950013795A
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KR
South Korea
Prior art keywords
vehicle
speed
throttle valve
control unit
comparing
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KR1019930023503A
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Korean (ko)
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KR0152674B1 (en
Inventor
최현영
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한승준
기아자동차 주식회사
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Priority to KR1019930023503A priority Critical patent/KR0152674B1/en
Publication of KR950013795A publication Critical patent/KR950013795A/en
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Publication of KR0152674B1 publication Critical patent/KR0152674B1/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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery

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

Abstract

본 발명은 자동변속차량이 긴 하강로를 주행시 풋브레이크의 사용을 억제하며 자동적으로 차량의 상태에 따라 안전한 변속상태를 유지시켜 주기 위한 것으로, 가속페달(11)에 의해 작동하는 스로틀 밸브의 위치를 검출하며 TPS변동율(△T)을 산출하는 스로틀 밸브 포지션 센서(10)와; 레인지를 변화시켜 차량속도를 변속시켜주는 변속레버(21)의 레인지 조정에 따라 신호를 발생시키는 인히비터 스위치(20)와; 차량 바퀴의 회전수를 측정하여 차량의 속도를 검지하는 스피드 센서(30)와; 상기 스피드 센서(30)와 스로틀 밸브 포지션 센서(10) 및 인히비터 스위치(20)로부터 인가되는 신호를 종합 비교/판단하는 변속기 제어부(40)와; 상기 변속기 제어부(40)에 의해 비교/판단된 신호에 의해 솔레노이드에 변속신호를 인가하는 유압 제어부(50)로 구성되며, 정상적으로 차량을 운행중(S1), 스로틀 밸브 포지션 센서(10)에서 차량의 속도와 관계있는 스로틀 밸브의 위치를 검출한 TPS값이 기준값인 20% 이하인지 비교/판단하는 단계(S2)와, 상기 TPS값에 의한 TPS변동율(△T)이 기준값인 0 이하인지 비교/판단하는 단계(S3)와, 스피드 센서(30)에서 차량의 속도를 감지하여 차량의 속도가 기준값인 60Km/h 이상인지 비교/판단하는 단계(S4)와, 차량의 변속레버(21)의 위치가 D 레인지인지 판단하는 단계(S5)와, 변속기 제어부(40)에서 현재의 기어비가 3속이상인지 판단하는 단계(S6)와, 이러한 모든 조건을 만족시 변속시 제어부(40)에서 차량이 다운힐 모드의 상태인 것으로 판단하며 차량의 변속과 관련된 솔레노이드에 신호를 발생시켜 유압제어를 통하여 차량의 기어비가 3속이면 2속으로, 4속이면 3속으로 변속시키는 변속단계(S7)로 이루어짐을 특징으로 하는 자동변속 차량의 다운힐 모드시 변속 장치 및 그 제어방법이다.The present invention is to restrain the use of the foot brake when driving down the long down the automatic transmission vehicle and to automatically maintain a safe shift state according to the state of the vehicle, the position of the throttle valve operated by the accelerator pedal (11) A throttle valve position sensor 10 for detecting and calculating a TPS variation ratio? T; An inhibitor switch 20 for generating a signal according to a range adjustment of a shift lever 21 for changing a range and shifting a vehicle speed; A speed sensor 30 which measures the rotational speed of the vehicle wheel and detects the speed of the vehicle; A transmission controller 40 for comprehensively comparing / determining signals applied from the speed sensor 30, the throttle valve position sensor 10, and the inhibitor switch 20; Comprising a hydraulic control unit 50 for applying a shift signal to the solenoid by the signal compared / judged by the transmission control unit 40, the vehicle is operating normally (S1), the speed of the vehicle in the throttle valve position sensor 10 Comparing / determining whether the position of the throttle valve related to the TPS value is 20% or less as a reference value (S2), and comparing / determining whether or not the TPS variation rate (ΔT) In step S3, the speed sensor 30 detects the speed of the vehicle and compares / determines whether the speed of the vehicle is greater than or equal to 60 km / h (S4), and the position of the shift lever 21 of the vehicle is D. Determining whether it is a range (S5), the step of determining whether the current gear ratio is three speeds or more in the transmission control unit 40 (S6), and when the vehicle satisfies all these conditions when the shifting control unit 40 in the downhill mode The soles associated with the shifting of the vehicle Gear shifting in downhill mode of an automatic transmission vehicle, characterized in that it comprises a shifting step (S7) for generating a signal to the nose and the gear ratio of the vehicle is shifted to 2 speed when the speed is 3, and to 3 speed when the speed is 4 through the hydraulic control. Control method.

Description

자동변속 차량의 다운힐 모드시 변속 장치 및 그 제어방법Transmission device and control method in downhill mode of automatic transmission vehicle

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

제1도는 본 발명 자동변속 차량의 다운힐 모드시 변속 장치의 구성도.1 is a block diagram of a transmission apparatus in the downhill mode of the present invention.

제2도는 변속기 제어부의 원리도.2 is a principle diagram of a transmission control unit.

제3도는 다운힐 모드 해제시의 변속기 제어부의 원리도.3 is a principle diagram of a transmission control unit when releasing a downhill mode.

제4도는 자동변속기 차량의 운행 상태를 도식적으로 비교한 개략도.4 is a schematic diagram comparing the driving state of the automatic transmission vehicle.

Claims (2)

가속페달에 의해 작동하는 스로틀 밸브의 위치를 검출하며 TPS변동율을 산출하는 스로틀 밸브 포지션 센서와; 레인지를 변화시켜 차량속도를 변속시켜주는 변속레버의 레인지 조정에 따라 신호를 발생시키는 인히비터 스위치와; 차량 바퀴의 회전수를 측정하여 차량의 속도를 검지하는 스피드 센서와; 상기 스피드 센서와 스로틀 밸브 포지션 센서 및 인히비터 스위치로부터 인가되는 신호를 종합 비교/판단하는 변속기 제어부와; 상기 변속기 제어부에 의해 비교/판단된 신호에 의해 솔레노이드에 변속신호를 인가하는 유압제어부로 구성함을 특징으로 하는 자동변속 차량의 다운힐 모드시 변속 장치.A throttle valve position sensor detecting a position of a throttle valve operated by an accelerator pedal and calculating a TPS variation rate; An inhibitor switch for generating a signal in accordance with a range adjustment of a shift lever for changing a range to change a vehicle speed; A speed sensor which measures the rotation speed of the vehicle wheel and detects the speed of the vehicle; A transmission control unit for comprehensively comparing / determining signals applied from the speed sensor, the throttle valve position sensor, and the inhibitor switch; And a hydraulic control unit configured to apply a shift signal to the solenoid by a signal compared / determined by the transmission control unit. 스로틀 밸브 포지션 센서에서 스로틀 밸브의 위치를 검출하여 기준값과 비교하는 단계와, 상기 스로틀 밸브 위치값에 의한 스로틀 밸브 위치 변동율을 기준값과 비교하는 단계와, 차량의 속도를 기준값과 비교하는 단계와, 변속레버의 위치가 D 레인지인지 판단하는 단계와, 변속기 제어부에서 현재의 기어비가 3속이상인지 판단하는 단계와, 상기 조건에 의해 변속기 제어부에서 차량이 다운힐 모드의 상태인 것으로 판단하여 차량을 변속시키는 변속단계로 이루어짐을 특징으로 하는 자동변속 차량의 다운힐 모드시 변속 제어방법.Detecting the position of the throttle valve in the throttle valve position sensor and comparing it with a reference value, comparing the throttle valve position variation rate by the throttle valve position value with a reference value, comparing the speed of the vehicle with the reference value, and shifting Determining whether the lever is in the D range; determining whether the current gear ratio is three speeds or more in the transmission control unit; and determining that the vehicle is in the downhill mode by the transmission control unit to shift the vehicle. Shift control method in the downhill mode of the automatic transmission vehicle, characterized in that the shift step. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930023503A 1993-11-06 1993-11-06 Down hill mode device and its method of automatic transmission KR0152674B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930023503A KR0152674B1 (en) 1993-11-06 1993-11-06 Down hill mode device and its method of automatic transmission

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Application Number Priority Date Filing Date Title
KR1019930023503A KR0152674B1 (en) 1993-11-06 1993-11-06 Down hill mode device and its method of automatic transmission

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KR950013795A true KR950013795A (en) 1995-06-15
KR0152674B1 KR0152674B1 (en) 1998-10-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010082831A (en) * 2000-02-21 2001-08-31 구본준, 론 위라하디락사 Method of Fabricating Liquid Crystal Display Device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9982772B2 (en) * 2016-05-20 2018-05-29 Hyundai Motor Company Shifting apparatus for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010082831A (en) * 2000-02-21 2001-08-31 구본준, 론 위라하디락사 Method of Fabricating Liquid Crystal Display Device

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KR0152674B1 (en) 1998-10-01

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