KR100401789B1 - Method for controlling generation of diagnosing code in wear of clutch of automatic transmission for vehicle - Google Patents

Method for controlling generation of diagnosing code in wear of clutch of automatic transmission for vehicle Download PDF

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Publication number
KR100401789B1
KR100401789B1 KR1019960081362A KR19960081362A KR100401789B1 KR 100401789 B1 KR100401789 B1 KR 100401789B1 KR 1019960081362 A KR1019960081362 A KR 1019960081362A KR 19960081362 A KR19960081362 A KR 19960081362A KR 100401789 B1 KR100401789 B1 KR 100401789B1
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KR
South Korea
Prior art keywords
clutch
vehicle
code
wear
automatic transmission
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KR1019960081362A
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Korean (ko)
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KR19980061983A (en
Inventor
병 열 류
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현대자동차주식회사
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Priority to KR1019960081362A priority Critical patent/KR100401789B1/en
Publication of KR19980061983A publication Critical patent/KR19980061983A/en
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Publication of KR100401789B1 publication Critical patent/KR100401789B1/en

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Classifications

    • 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
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • 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
    • F16H2061/0087—Adaptive control, e.g. the control parameters adapted by learning
    • 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
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F16H2061/1212—Plausibility checks; Counting means for repeated failures
    • 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
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
    • F16H2061/1276—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes
    • F16H2061/128—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes the main clutch

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

PURPOSE: A method for controlling the generation of a diagnosing code in the wear of a clutch of an automatic transmission for a vehicle is provided to memorize the wear of the clutch to the increase of a traveling distance of the vehicle, to conveniently repair the automatic transmission by deciding the generation and degree of the abnormal clutch with the memorized data, and to prevent the acceleration of durability reduction of the transmission caused by excessive driving by informing a driver of a condition of the vehicle by the generation of a fail code. CONSTITUTION: A method for controlling the generation of a diagnosing code in the wear of a clutch of an automatic transmission for a vehicle selects a comparable clutch by receiving a variable, decides if the number of generations is over predetermined times, when a fill time learning value(SC) is larger than SC+AL, generates and memorizes a fail code when the number of generations is over predetermined times, and then, memorizes an abnormal diagnosing code for the generated clutch.

Description

차량의 자동변속기 클러치 마모시 진단코드 발생 제어방법Control method of diagnosis code generation when the vehicle's automatic transmission clutch is worn

본 발명은 차량에 관한 것으로, 특히 A/T(EF, XG, LZ 계열)의 내구성중 클러치(Clutch)의 디스크(Disk) 마모분에 대한 이상 발생을 차량 운전중에 점검, 기억하고 실패 코드 (faiure CODE)를 발생하여 A/T 정비시 편이성 및 과도운전 방지로 인한 마모심화를 방지할 수 있는 차량의 자동변속기 클러치 마모시 진단코드 발생 제어방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle, and in particular, checks and memorizes the occurrence of abnormalities in the disk wear of the clutch during durability of the A / T (EF, XG, LZ series) during vehicle operation, and the failure code (faiure). It is related to the method of controlling the diagnosis code generation when the automatic transmission clutch of the vehicle can prevent the deepening of the wear due to the ease of maintenance and prevention of over-driving during the A / T maintenance.

일반적으로 차량의 현세대 A/T(Lx, Y, α, β 계열)의 경우 변속시 유압제어를 PCSV(Pressure Control Solenoid Valve) IEA로써 해방측 클러치 및 결합측 클러치를 제어하게 되어 있다.In general, in the current generation A / T (Lx, Y, α, β series) of the vehicle, the hydraulic control during shifting is controlled by the PCSV (Pressure Control Solenoid Valve) IEA to control the release clutch and the engaging clutch.

따라서 변송중 유압제어시 초기 필 타임 콘트롤(FILL TIME CONTROL) 개념이 모호하여 변속에 따라 스위치류 (KICK DOWN SWITCH), 상당 듀티 제어 (1,2단)를 통하여 초기 필 타임의 상당제어를 행하고 있지만 신세대 A/T 의 경우 변속시 유압제어를 각각 독립된 4개의 솔레노이드 밸브를 사용함에 따라 초기 필 타임을 정확히 제어,학습할 수 있다.Therefore, the concept of initial fill time control is ambiguous when controlling hydraulic pressure during transmission, so the initial fill time is controlled by the switch down (KICK DOWN SWITCH) and the equivalent duty control (stage 1 and 2). In the case of new generation A / T, it is possible to accurately control and learn the initial fill time by using four independent solenoid valves for hydraulic control during shifting.

또한, 초기 필 타임은 유압공급후 실제 클러치에 T/Q 전달되기 전까지의 시간으로 설명할 수 있으며, 이 시간동안의 유압공급은 클러치 클리어런스(CLEARANCE)만큼의 위치이동으로 판단할 수 있다.In addition, the initial fill time can be described as the time before the T / Q is transmitted to the actual clutch after the hydraulic supply, the hydraulic supply during this time can be determined by the position shift as much as the clutch clearance (CLEARANCE).

따라서 초기 필 타임을 통하여 클러치 클리어런스의 크기를 알 수 있으며, 이것은 현세대의 경우 불가능한 실정인데, 그 이유는 제어 듀티에 Tf 타임분이 구분되어 있지 않기 때문이다.Therefore, the magnitude of the clutch clearance can be known through the initial fill time, which is impossible in the current generation because the Tf time is not divided in the control duty.

본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로서, 그 목적은 TCU에서 연산하는 필 타임을 점검하여 초기 셋팅치와 비교하여 한계치 이상 증가할 경우, 그 클러치에 대한 이상진단 코드를 기억하고 발생횟수를 기억함으로써 이상발생 클러치 및 그 정도를 판단할 수 있는 차량의 자동변속기 클러치 마모시 진단코드 발생 제어방법을 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, the object of which is to check the fill time calculated in the TCU, when the threshold value increases compared to the initial setting value, the error diagnosis code for the clutch generated and stored It is an object of the present invention to provide a control method for generating a diagnostic code when a clutch is worn and an automatic transmission clutch of a vehicle capable of determining the degree of abnormal clutch and its degree.

도 1은 본 발명의 동작흐름도1 is a flow chart of the present invention

도 2는 본 발명의 동작을 설명하기 위한 도면2 is a view for explaining the operation of the present invention

이와같은 목적의 본 발명은 변수를 입력받아 비교대상 클러치를 선정하고 LF〉SC+AL인가를 판단하여 LF〉SC+AL일 때 발생횟수가 5회이상인가를 판단하여 5회이상일 때 페일 코드 발생및 기억하고 발생 클러치, 발생 횟수를 기억하도록 함으로써 달성된다.The present invention for this purpose is to select a comparison target clutch by inputting a variable and determine whether LF> SC + AL or not. By storing and generating the clutch, the number of occurrences.

이하 본 발명의 실시예를 첨부된 도면을 참고로 하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 동작 흐름도로, TCU에서 연산하는 필 타임을 점검하여 초기 셋팅치(SETTING)와 비교하여 한계치 이상 증가할 경우, 그 클러치에 대한 이상진단 코드를 기억하고 발생횟수를 기억함으로써 이상발생 클러치 및 그 정도를 판단한다.1 is an operation flowchart of the present invention, when checking the fill time calculated in the TCU and when the threshold value increases more than the initial setting (SETTING), the abnormality by storing the error diagnosis code for the clutch and the number of occurrences Determine the generated clutch and its degree.

여기서, 초기 필 타임 ㅅ팅치는 기종, 클러치, 변속별로 별도 ㅅ팅되어 있으며, 이상판단 한계치는 클러치의 디스크 매수에 좌우되고 이상판단 한계치(AL)는Here, the initial fill time setting value is set separately for each model, clutch, and shift, and the abnormal judgment limit value depends on the number of discs of the clutch, and the abnormal judgment limit value (AL) is

AL = {(클러치 디스크 매수)×(0.16mm)} × K +αAL = {(number of clutch discs) × (0.16mm)} × K + α

0.16mm : 디스크 1 매당 이상판단 마모량0.16mm: Abnormal judgment wear amount per disc

α : 제어 안정 마진(초기 필 타임 ㅅ팅치의 20∼30%)α: Control stable margin (20-30% of initial fill time setting)

K : 클러치 클리어런스 1mm당 필 타임분(SC msec /클러치 클리어런스 mm)K: Peel time per 1 mm of clutch clearance (SC msec / clutch clearance mm)

즉, 본 발명은 변수를 입력받아 비교대상 클러치를 선정하고 LF〉SC+AL인가를 판단하여 LF〉SC+AL일 때 발생횟수가 5회 이상인가를 판단하여 5회 이상일 때 페일 코드 발생및 기억하고 발생 클러치, 발생 횟수를 기억하도록 한다.That is, the present invention selects a clutch to be compared by inputting a variable and determines whether it is LF> SC + AL, and determines whether the occurrence frequency is 5 or more times when LF> SC + AL. To remember the occurrence clutch and the number of occurrences.

여기서, SC,AL,LF는 필 타임 학습치(변속중 TCU게산치)이다.Here, SC, AL, LF are fill time learning values (TCU estimated value during shifting).

따라서, 신세대 A/T 의 경우는 도 2와 같이 초기 필 타임분(Tf)이 명확하게 구분되며, 또한 Tf는 변속마다 학습을 통하여 그 정량치(수치)를 학습하고 있으며, 이로 인해 클러치의 클리어런스의 변화를 판단할 수 있다.Therefore, in the case of the new generation A / T, the initial fill time Tf is clearly distinguished as shown in FIG. 2, and the Tf is learning the quantitative value (numerical value) through the learning for each shift. You can judge the change.

이상 설명에서와 같이 본 발명은 A/T 장착 차량의 주행거리 증가에 따른 클러치 마모량을 기억할 수 있으며, 이 자료로 인하여 A/T 정비시 이상 발생 클러치 발생여부 및 정도를 판단할 수 있으므로, 정비의 편이성을 기대할 수 있고, 페일 코드의 발생으로 인해 차량의 상태를 운전자에게 주지하여 과도운전으로 인한 A/T 내구성 진행의 가속화를 방지할 수 있는 효과가 있다.As described above, the present invention can store the amount of clutch wear according to the increase in the mileage of the A / T-equipped vehicle. Convenience can be expected, and due to the generation of the fail code, the state of the vehicle can be known to the driver, thereby preventing the acceleration of the A / T durability progress due to overdriving.

Claims (1)

변수를 입력받아 비교대상 클러치를 선정하고 필타임 학습치(SC)〉SC+AL인가를 판단하여 필타임 학습치(SC)〉SC+AL일 때 발생횟수가 소정회 이상인가를 판단하여 이상이면 페일 코드 발생및 기억하고 발생 클러치에 대한 이상진단 코드를 기억하도록 함을 특징으로 하는 차량의 자동변속기 클러치 마모시 진단코드 발생 제어방법.Select the clutch to be compared by inputting the variable, and determine whether it is fill time learning value (SC)> SC + AL. A method of controlling the generation of a diagnostic code when the automatic transmission clutch of a vehicle is characterized in that the failure code is generated and stored and the abnormal diagnosis code for the generated clutch is stored.
KR1019960081362A 1996-12-31 1996-12-31 Method for controlling generation of diagnosing code in wear of clutch of automatic transmission for vehicle KR100401789B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960081362A KR100401789B1 (en) 1996-12-31 1996-12-31 Method for controlling generation of diagnosing code in wear of clutch of automatic transmission for vehicle

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Application Number Priority Date Filing Date Title
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KR100401789B1 true KR100401789B1 (en) 2003-12-18

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551930A (en) * 1995-04-13 1996-09-03 Caterpillar Inc. Adaptive control method for an automatic transmission
KR970045952A (en) * 1995-12-30 1997-07-26 랄프 홀거 베렌스 : 게오르그 뮐러 Clutch monitor
JPH09280348A (en) * 1996-04-10 1997-10-28 Komatsu Ltd Method and device for detecting wear of clutch of transmission
KR19980043903A (en) * 1996-12-05 1998-09-05 박병재 Automotive Clutch Disc Wear Alarm

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551930A (en) * 1995-04-13 1996-09-03 Caterpillar Inc. Adaptive control method for an automatic transmission
JPH08285068A (en) * 1995-04-13 1996-11-01 Caterpillar Inc Adaptive control method of transmission
KR970045952A (en) * 1995-12-30 1997-07-26 랄프 홀거 베렌스 : 게오르그 뮐러 Clutch monitor
JPH09280348A (en) * 1996-04-10 1997-10-28 Komatsu Ltd Method and device for detecting wear of clutch of transmission
KR19980043903A (en) * 1996-12-05 1998-09-05 박병재 Automotive Clutch Disc Wear Alarm

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