KR19980060023A - Downshift control device from 2 speed to 1 speed before stop and method - Google Patents
Downshift control device from 2 speed to 1 speed before stop and method Download PDFInfo
- Publication number
- KR19980060023A KR19980060023A KR1019960079371A KR19960079371A KR19980060023A KR 19980060023 A KR19980060023 A KR 19980060023A KR 1019960079371 A KR1019960079371 A KR 1019960079371A KR 19960079371 A KR19960079371 A KR 19960079371A KR 19980060023 A KR19980060023 A KR 19980060023A
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- South Korea
- Prior art keywords
- speed
- detecting
- shift
- opening amount
- vehicle
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Classifications
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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
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
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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
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
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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
- F16H59/36—Inputs being a function of speed
- F16H2059/366—Engine or motor speed
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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
- F16H2061/0075—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 characterised by a particular control method
- F16H2061/009—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 characterised by a particular control method using formulas or mathematic relations for calculating parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Abstract
이 발명은 정지전 2속에서 1속으로의 다운 시프트 제어 장치에 관한 것으로, 변속 레버에 의하여 설정된 변속단을 감지하는 변속단 감지 수단과; 스로틀 밸브의 개도량을 감지하는 스로틀 개도량 감지 수단과; 차속을 감지하는 차속 감지 수단과; 엔진 회전수를 감지하는 엔진 회전수 감지 수단과; 현재 변속단이 주행단이고 스로틀 밸브의 개도량이 설정 개도량 이하로 아이들 상태이면서, 다음과 같이 산출된 조건값이 설정값 이하인 경우에 2속에서 1속으로 다운 시프트 동작이 이루어지도록 변속 신호를 출력하는 제어 수단과; 상기 변속 신호에 따라 해당 마찰 요소로 유압을 작용시켜 2속에서 1속으로의 변속을 수행하는 변속 수단을 포함하여 이루어지며, 자동 변속 차량에 있어서, 차량의 주행 상태가 구동 상태에서 비구동 상태로 가변하는 경우에 2속에서 1속으로의 다운 시프트가 이루어지도록 제어함으로써, 변속 쇼크를 방지할 수 있다.The present invention relates to a downshift control device from the second speed to the first speed before stopping, comprising: shift stage detecting means for sensing a shift stage set by a shift lever; Throttle opening amount detecting means for detecting an opening amount of a throttle valve; Vehicle speed detecting means for detecting a vehicle speed; Engine speed detection means for detecting an engine speed; When the current shift stage is the driving stage and the opening degree of the throttle valve is idle below the set opening amount, the shift signal is output so that the downshift operation is performed from 2 speed to 1 speed when the calculated condition value is below the setting value. Control means; And a shifting means for shifting the speed from the 2nd speed to the 1st speed by applying hydraulic pressure to the friction element according to the shifting signal, wherein in the automatic transmission vehicle, the driving state of the vehicle is changed from the driving state to the non-driven state. By controlling the downshift from the 2nd speed to the 1st speed in the case of a change, shift shock can be prevented.
Description
이 발명은 정지전 2속에서 1속으로의 다운 시프트 제어 장치 및 그 방법에 관한 것으로 더욱 상세하게 말하자면, 자동 변속 차량에 있어서, 차량의 주행 상태가 구동 상태에서 비구동 상태로 가변하는 경우에 2속에서 1속으로의 다운 시프트가 이루어지도록 제어하는 정지전 2속에서 1속으로의 다운 시프트 제어 장치 및 그 방법에 관한 것이다.어 가장 적절한 변속이 이루어지도록 시프트 패턴이 설정되어 있으며, 4단 자동 변속 차량은 고출력 엔진의 동력 성능에 대응하여 충분한 신뢰성과 내구성을 확보하기 위하여, 저연비, 저소음 상태의 주행을 하는 이카노미 레인지(economy range)와, 보다 스포티한 주행을 하는 파워 레인지의 2가지 주행모드가 추가되어 있다.The present invention relates to a downshift control device and a method from the second speed to the first speed before stopping. More specifically, in an automatic transmission vehicle, the driving condition of the vehicle varies from a driving state to a non-driving state. The present invention relates to a two-speed downshift control apparatus and a method for controlling the downshift from the first speed to the first speed. The shift pattern is set to achieve the most appropriate shift, and the four-speed automatic In order to secure sufficient reliability and durability in response to the power performance of high-powered engines, the variable speed vehicle has two driving modes: an economy range for low fuel consumption and low noise, and a more sporty power range. Is added.
이 발명의 목적은 상기한 종래의 단점을 해결하기 위한 것으로, 자동 변속 차량에 있어서, 차량의 주행 상태가 구동 상태에서 비구동 상태로 가변하는 경우에 2속에서 1속으로의 다운 시프트가 이루어지도록 제어함으로써, 변속 쇼크를 방지하기 위한 정지전 2속에서 1속으로의 다운 시프트 제어 장치 및 그 방법을 제공하고자 하는데 있다.SUMMARY OF THE INVENTION An object of the present invention is to solve the above disadvantages, and in the automatic transmission vehicle, when the driving state of the vehicle varies from a driving state to a non-driven state, a downshift from 2 speeds to 1 speed is made. It is an object of the present invention to provide a downshift control apparatus and a method of shifting from 2 speed to 1 speed before stopping to prevent shift shock.
조건값 = (No21 + K × (dNo/dt) × T) × 기어비 - Ne시프트를 수행하는 단계를 포함하여 이루어진다.Condition value = (No21 + K x (dNo / dt) x T) x gear ratio-Ne.
조건값 = (No21 + K × (dNo/dt) × T) × 기어비 - NeCondition = = (No21 + K × (dNo / dt) × T) × Gear Ratio-Ne
도1은 이 발명의 실시예에 따른 정지전 2속에서 1속으로의 다운 시프트 제어 장치의 구성 블록도이고,1 is a block diagram showing the configuration of the downshift control apparatus from the second to the first speed before stop according to the embodiment of the present invention,
상기한 구성에 의하여, 이 발명이 속하는 기술분야에서 통상의 지식을 가진자가 이 발명을 용이하게 실시할 수 있는 가장 바람직한 실시예를 첨부된 도면을 참조로 하여 상세히 설명한다.부(40)와, 상기 감지부(10∼40)의 출력단에 연결되어 인가되는 신호에 따라 정지전 2속에서 1속으로의 다운 시프트 동작을 제어하기 위한 변속 신호를 출력하는 변속 제어부(50)와, 상기 변속 제어부(50)의 출력단에 연결되어 인가되는 변속 신호에 따라 해당 마찰 요소로 유압을 작용시키는 변속부(60)로 이루어진다.도량과 비교한다(S130∼S140).By the above configuration, the most preferred embodiment which can be easily carried out by those skilled in the art to which the present invention pertains will be described in detail with reference to the accompanying drawings. A shift controller 50 for outputting a shift signal for controlling a downshift operation from 2 speed to 1 speed before stopping according to a signal applied to an output terminal of the sensing units 10 to 40 and the shift control unit ( It is composed of a transmission portion 60 for applying hydraulic pressure to the friction element in accordance with the transmission signal is connected to the output terminal of the 50. (S130 to S140).
(No21 + K × (dNo/dt) × T) × 기어비 - Ne태에 비구동 상태로 가변되는 상태로 판단하여 2속에서 1속으로의 다운 시프트가 이루어지도록 해당 변속 신호를 변속부(60)로 출력한다(S170).(No21 + K × (dNo / dt) × T) × Gear ratio-Ne to determine the state that is variable to the non-driven state, the shift signal is transmitted to the transmission so that the downshift from 2 speed to 1 speed is made. Output to (S170).
이상에서와 같이 이 발명의 실시예에 따라, 자동 변속 차량에 있어서, 차량의 주행 상태가 구동 상태에서 비구동 상태로 가변하는 경우에 2속에서 1속으로의 다운 시프트가 이루어지도록 제어함으로써, 변속 쇼크를 방지할 수 있는 효과를 가지는 정지전 2속에서 1속으로의 다운 시프트 제어 장치 및 그 방법을 제공할 수 있다.As described above, according to the embodiment of the present invention, in the automatic transmission vehicle, the shift is controlled so as to perform a downshift from the second speed to the first speed when the driving state of the vehicle varies from the driving state to the non-drive state. It is possible to provide a downshift control apparatus from the second to the first speed before stopping having the effect of preventing shock and a method thereof.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960079371A KR100285454B1 (en) | 1996-12-31 | 1996-12-31 | Device and method for controlling downshifting from 2-range to 1-range before stopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960079371A KR100285454B1 (en) | 1996-12-31 | 1996-12-31 | Device and method for controlling downshifting from 2-range to 1-range before stopping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980060023A true KR19980060023A (en) | 1998-10-07 |
| KR100285454B1 KR100285454B1 (en) | 2001-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960079371A KR100285454B1 (en) | 1996-12-31 | 1996-12-31 | Device and method for controlling downshifting from 2-range to 1-range before stopping |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100285454B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000053503A (en) * | 1999-01-15 | 2000-08-25 | 존 씨. 메티유 | Automated transmission downshift control |
| KR100325140B1 (en) * | 1999-07-08 | 2002-02-21 | 이계안 | Control method torque for 2-1 down shift of automatic transmission |
-
1996
- 1996-12-31 KR KR1019960079371A patent/KR100285454B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000053503A (en) * | 1999-01-15 | 2000-08-25 | 존 씨. 메티유 | Automated transmission downshift control |
| KR100325140B1 (en) * | 1999-07-08 | 2002-02-21 | 이계안 | Control method torque for 2-1 down shift of automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100285454B1 (en) | 2001-06-01 |
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