KR20200069733A - 연료 증발가스의 퍼지 제어방법 - Google Patents
연료 증발가스의 퍼지 제어방법 Download PDFInfo
- Publication number
- KR20200069733A KR20200069733A KR1020180157126A KR20180157126A KR20200069733A KR 20200069733 A KR20200069733 A KR 20200069733A KR 1020180157126 A KR1020180157126 A KR 1020180157126A KR 20180157126 A KR20180157126 A KR 20180157126A KR 20200069733 A KR20200069733 A KR 20200069733A
- Authority
- KR
- South Korea
- Prior art keywords
- purge
- evaporation gas
- fuel evaporation
- delay
- duty
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000010926 purge Methods 0.000 title claims abstract description 101
- 239000000446 fuel Substances 0.000 title claims abstract description 47
- 230000008020 evaporation Effects 0.000 title claims abstract description 36
- 238000001704 evaporation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 description 11
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 241000744791 Pepper chlorotic spot virus Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
- F02D41/004—Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0042—Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0045—Estimating, calculating or determining the purging rate, amount, flow or concentration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/045—Detection of accelerating or decelerating state
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1431—Controller structures or design the system including an input-output delay
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0809—Judging failure of purge control system
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
도 2는 본 발명에 따른 퍼지 제어과정의 흐름을 나타낸 플로우차트.
3 : 캐니스터
5 : 퍼지밸브
7 : 서지탱크
CLR : 컨트롤러
Claims (5)
- 컨트롤러가 다량의 연료 증발가스가 배출되는 주행상황에서, 차량의 급감속 여부를 판단하는 단계;
컨트롤러가 차량의 급감속 상황으로 판단시, 퍼지밸브의 작동을 위한 퍼지듀티를 감소시키는 단계; 및
컨트롤러가 상기 퍼지듀티에 의해 퍼지밸브의 작동을 제어하여 증발가스의 퍼지유량을 감소시키는 단계;를 포함하는 연료 증발가스의 퍼지 제어방법. - 청구항 1에 있어서,
퍼지농도가 일정값 초과이고, 가속페달 답입량이 제1기준값 초과이며, 흡입공기량이 일정량 초과인 경우, 다량의 연료 증발가스가 배출되는 주행상황인 것을 특징으로 하는 연료 증발가스의 퍼지 제어방법. - 청구항 1에 있어서,
상기 가속페달 답입량이 제2기준값 미만이고, 가속페달 답입량기울기가 기준값 미만시, 차량의 급감속 상황으로 판단하는 것을 특징으로 하는 연료 증발가스의 퍼지 제어방법. - 청구항 1에 있어서,
상기 퍼지듀티 감소단계는,
다량의 연료 증발가스가 배출되는 주행상황에서 차량의 급감속조건 만족시, 실린더 연소횟수를 카운트하여 실린더카운터를 누적하는 단계;
엔진회전수와 흡입공기량의 함수로 상기 연료 증발가스가 상기 퍼지밸브에서 연소실까지 이송되는데 소요되는 이송딜레이를 계산하는 단계;
엔진회전수와 상기 실린더카운터의 함수로 딜레이보정필터를 결정하는 단계;
상기 이송딜레이에 딜레이보정필터를 곱하여 상기 이송딜레이를 보정하는 단계;
퍼지목표유량과 상기 보정된 보정이송딜레이와 엔진흡기압력의 함수로 결정된 값에 대기압과 흡기온에 의해 결정되는 보정팩터를 곱하여 퍼지듀티를 연산하는 단계;를 포함하는 것을 특징으로 하는 연료 증발가스의 퍼지 제어방법.
여기서, 0 < 딜레이보정필터 ≤ 1 임. - 청구항 4에 있어서,
상기 누적된 실린더카운터가 일정값 초과시, 실린더카운터를 0으로 리셋하는 단계;
상기 실린더카운터를 0으로 리셋한 후에, 딜레이보정필터를 1로 설정하는 단계;를 더 포함하는 것을 특징으로 하는 연료 증발가스의 퍼지 제어방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180157126A KR20200069733A (ko) | 2018-12-07 | 2018-12-07 | 연료 증발가스의 퍼지 제어방법 |
| US16/684,002 US10914250B2 (en) | 2018-12-07 | 2019-11-14 | Method of controlling purge of fuel evaporation gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180157126A KR20200069733A (ko) | 2018-12-07 | 2018-12-07 | 연료 증발가스의 퍼지 제어방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20200069733A true KR20200069733A (ko) | 2020-06-17 |
Family
ID=70970379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180157126A Ceased KR20200069733A (ko) | 2018-12-07 | 2018-12-07 | 연료 증발가스의 퍼지 제어방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US10914250B2 (ko) |
| KR (1) | KR20200069733A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102692479B1 (ko) * | 2018-12-17 | 2024-08-07 | 현대자동차주식회사 | 가변 밸브 듀레이션 기구 및 액티브 퍼지 시스템을 구비한 차량의 공연비 제어 방법 |
| KR20250129875A (ko) * | 2024-02-23 | 2025-09-01 | 현대자동차주식회사 | 차량의 연료시스템 제어장치 및 제어방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020074724A (ko) | 2001-03-21 | 2002-10-04 | 기아자동차주식회사 | 차량의 캐니스터 퍼지 농도 보정방법 |
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-
2018
- 2018-12-07 KR KR1020180157126A patent/KR20200069733A/ko not_active Ceased
-
2019
- 2019-11-14 US US16/684,002 patent/US10914250B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020074724A (ko) | 2001-03-21 | 2002-10-04 | 기아자동차주식회사 | 차량의 캐니스터 퍼지 농도 보정방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US10914250B2 (en) | 2021-02-09 |
| US20200182169A1 (en) | 2020-06-11 |
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