KR101406419B1 - Doc 재생주기 결정방법 - Google Patents
Doc 재생주기 결정방법 Download PDFInfo
- Publication number
- KR101406419B1 KR101406419B1 KR1020120091596A KR20120091596A KR101406419B1 KR 101406419 B1 KR101406419 B1 KR 101406419B1 KR 1020120091596 A KR1020120091596 A KR 1020120091596A KR 20120091596 A KR20120091596 A KR 20120091596A KR 101406419 B1 KR101406419 B1 KR 101406419B1
- Authority
- KR
- South Korea
- Prior art keywords
- doc
- rich
- determining
- vehicle
- mixer
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/103—Oxidation catalysts for HC and CO only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
-
- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
- F01N2900/102—Travelling distance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1606—Particle filter loading or soot amount
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1631—Heat amount provided to exhaust apparatus
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0625—Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon
-
- 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
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
-
- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
-
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
-
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예 2에 따른 순서도.
도 3은 본 발명의 실시예 2가 실시되는 첫번째 예를 나타내는 순서도.
도 4는 본 발명의 실시예 2가 실시되는 두번째 예를 나타내는 순서도.
도 5는 본 발명의 실시예 2가 실시되는 세번째 예를 나타내는 순서도.
S130 : 농후조건인가단계
S150 : 온도측정단계
S170 : 판단단계
S190 : 농후유지판단단계
Claims (22)
- 엔진에 공급하는 혼합기의 농도를 농후하게 조절함으로써, DOC를 재생하는 농후조건인가단계(S130);
상기 농후조건인가단계(S130)를 완료한 후, 혼합기의 농도가 희박한 상태가 되면, DOC 전단의 온도를 측정하는 온도측정단계(S150);
혼합기의 농도가 희박한 상태가 된 후부터 상기 온도측정단계(S150)에서 측정된 온도를 바탕으로 열부하값을 산출하여, 산출된 열부하값을 일정 시간마다 누적하고, 상기 누적된 열부하값을 소정의 임계값과 비교하여 상기 누적된 열부하값이 상기 임계값을 초과하는지를 판단하는 판단단계(S170);
상기 판단단계(S170)에서 상기 누적된 열부하값이 상기 임계값 이하인 동안 상기 온도측정단계(S150)를 반복적으로 실시하고, 상기 누적된 열부하값이 상기 임계값을 초과하면 상기 단계를 모두 수행되는데 소요된 시간을 바탕으로 반복적으로 상기 농후조건인가단계(S130)를 수행할 주기를 결정함으로써 DOC재생주기를 결정하는 주기결정단계;
를 포함하여 구성된 것을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 1항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 전단의 온도가 250℃에서 750℃ 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제1항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 베드의 온도가 800℃ 미만으로 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 1항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 공기과잉률이 0.8에서 1.0 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 1항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 전단의 온도가 250℃에서 750℃ 사이에서 유지되도록, DOC 베드의 온도가 800℃ 미만으로 유지되도록, 공기과잉률이 0.8에서 1.0 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 1항에 있어서,
상기 판단단계(S170)에서는 열부하값은 t*exp(-R/T)의 식에 의해 산출되며, 상기 식에서 R은 촉매의 특성값이고, T는 상기 온도측정단계(S150)에서 측정된 온도로 절대온도로 변환한 것이며, t는 상기 열부하값을 누적하는 시간 간격을 의미하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 1항에 있어서,
상기 판단단계(S170)에서 상기 소정의 임계값은 상기 농후조건인가단계(S130)에서 인가된 농후한 혼합기가 DOC가 열화하지 않는 범위에서 유지될 수 있도록 상기 농후조건인가단계(S130)의 재실시 시점을 결정하는 값으로 설정된 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 차량의 DOC 재생이 필요한지 판단하는 재생판단단계(S110);
상기 재생판단단계(S110)에서 DOC 재생이 필요하다고 판단되면, 엔진에 공급하는 혼합기의 농도를 농후하게 조절함으로써 DOC를 재생하는 농후조건인가단계(S130);
상기 농후조건인가단계(S130)를 수행하여, 혼합기의 농도가 농후한 상태가 되면, 농후한 혼합기가 유지되는 시간인 농후유지시간과 소정의 농후유지값을 비교하여, 상기 농후유지시간이 상기 농후유지값을 초과하는지를 판단하는 농후유지판단단계(S190);
상기 농후유지판단단계(S190)에서 상기 농후유지시간이 상기 농후유지값 이하인 동안 상기 농후조건인가단계(S130)를 반복적으로 실시하고, 상기 농후유지시간이 상기 농후유지값을 초과하면 반복적으로 DOC 재생이 필요한지 판단하는 상기 재생판단단계(S110)를 수행하는 반복수행단계;
를 포함하여 구성된 것을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 재생판단단계(S110)에서는 차량의 DPF의 재생이 완료된 경우 DOC재생이 필요한 것으로 판단하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 9항에 있어서,
상기 재생판단단계(S110)에서는 차량의 DPF의 재생이 소정 횟수 이상 수행된 경우 DOC재생이 필요한 것으로 판단하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 재생판단단계(S110)에서는 소정의 주행거리임계값과 차량이 주행한 주행거리를 비교하여 상기 주행거리가 상기 주행거리임계값을 초과한 경우 DOC재생이 필요한 것으로 판단하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 재생판단단계(S110)에서는 소정의 연료소모량임계값과 차량의 운행하는 동안 소모한 연료소모량을 비교하여 상기 연료소모량이 상기 연료소모량임계값을 초과한 경우 DOC재생이 필요한 것으로 판단하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 전단의 온도가 250℃에서 750℃ 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 베드의 온도가 800℃ 미만으로 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 공기과잉률이 0.8에서 1.0 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 농후조건인가단계(S130)에서는 혼합기의 농도를 농후하게 조절하되 DOC 전단의 온도가 250℃에서 750℃ 사이에서 유지되도록, DOC 베드의 온도가 800℃ 미만으로 유지되도록, 공기과잉률이 0.8에서 1.0 사이에서 유지되도록 혼합기의 농도를 농후하게 조절하는 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 8항에 있어서,
상기 농후유지값은 상기 농후조건인가단계(S130)에서 인가된 농후한 혼합기가 DOC가 열화하지 않는 범위에서 유지될 수 있도록 상기 농후조건인가단계(S130)의 재실시 시점을 결정하는 값으로 설정된 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 11항에 있어서,
상기 주행거리임계값은 상기 재생판단단계(S110)에서 DOC가 열화되지 않는 범위에서 유지될 수 있도록 상기 농후조건인가단계(S130)의 재실시 시점을 결정하는 값으로 설정된 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 11항에 있어서,
상기 소정의 주행거리임계값과 상기 주행거리를 비교할 때에는 차량의 DPF에 SOOT의 포집량이 일정량 이하일 때 실시하는 것
을 특징으로 하는 차량이 DOC재생주기결정방법. - 제 12항에 있어서,
상기 연료소모량임계값은 상기 재생판단단계(S110)에서 DOC가 열화되지 않는 범위에서 유지될 수 있도록 상기 농후조건인가단계(S130)의 재실시 시점을 결정하는 값으로 설정된 것
을 특징으로 하는 차량의 DOC재생주기결정방법. - 제 12항에 있어서,
상기 소정의 연료소모량임계값과 상기 연료소모량을 비교할 때에는 차량의 DPF에 SOOT의 포집량이 일정량 이하일 때 실시하는 것
을 특징으로 하는 차량이 DOC재생주기결정방법. - 삭제
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120091596A KR101406419B1 (ko) | 2012-08-22 | 2012-08-22 | Doc 재생주기 결정방법 |
JP2012227003A JP6129514B2 (ja) | 2012-08-22 | 2012-10-12 | ディーゼル酸化触媒装置再生周期決定方法 |
US13/687,448 US9103257B2 (en) | 2012-08-22 | 2012-11-28 | Method of determining DOC regeneration cycle |
DE102012112148.6A DE102012112148A1 (de) | 2012-08-22 | 2012-12-12 | Verfahren zum Festlegen eines Dieseloxidationskatalysator-Regenerationszyklus |
CN201210548177.6A CN103628956B (zh) | 2012-08-22 | 2012-12-17 | 确定车辆的柴油氧化催化剂再生周期的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120091596A KR101406419B1 (ko) | 2012-08-22 | 2012-08-22 | Doc 재생주기 결정방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140025677A KR20140025677A (ko) | 2014-03-05 |
KR101406419B1 true KR101406419B1 (ko) | 2014-06-13 |
Family
ID=50069529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020120091596A Expired - Fee Related KR101406419B1 (ko) | 2012-08-22 | 2012-08-22 | Doc 재생주기 결정방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9103257B2 (ko) |
JP (1) | JP6129514B2 (ko) |
KR (1) | KR101406419B1 (ko) |
CN (1) | CN103628956B (ko) |
DE (1) | DE102012112148A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012018629A1 (de) * | 2012-09-21 | 2014-03-27 | Clariant International Ltd. | Verfahren zur Reinigung von Abgas und zur Regenerierung eines Oxidationskatalysators |
AT515899A1 (de) * | 2014-06-12 | 2015-12-15 | Ge Jenbacher Gmbh & Co Og | Verfahren zum Betreiben einer Verbrennungskraftmaschine |
DE102016216892A1 (de) * | 2016-09-06 | 2018-03-08 | Robert Bosch Gmbh | Verfahren und Steuereinrichtung zur Steuerung und/oder Regelung einer Abgasnachbehandlungsanlage in einem Fahrzeug |
CN108930578B (zh) * | 2018-06-27 | 2020-09-29 | 潍柴动力股份有限公司 | Doc中毒的检测和保护方法 |
CN112096498B (zh) * | 2020-09-22 | 2021-07-02 | 上海星融汽车科技有限公司 | Dpf灰载量状态检测方法、系统及车辆 |
CN113177314B (zh) * | 2021-04-28 | 2024-06-04 | 一汽解放汽车有限公司 | 一种dpf主动再生方法、装置、计算机设备和存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0996215A (ja) * | 1995-10-02 | 1997-04-08 | Komatsu Ltd | ディーゼルエンジンのNOx 触媒の劣化検出装置およびその劣化検出方法 |
JPH11280456A (ja) * | 1998-01-24 | 1999-10-12 | Daimler Benz Ag | 内燃機関の排気ガスの浄化方法及び装置 |
KR100795033B1 (ko) * | 2006-07-25 | 2008-01-16 | 쌍용자동차 주식회사 | 디젤차량의 디오씨 재생방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9921376D0 (en) | 1999-09-10 | 1999-11-10 | Johnson Matthey Plc | Improving catalyst performance |
DE10017203A1 (de) * | 2000-04-06 | 2001-10-11 | Audi Ag | Verfahren zur Entschwefelung eines im Abgasstrang einer Diesel-Brennkraftmaschine angeordneten Oxidationskatalysators |
KR20080054819A (ko) * | 2006-12-13 | 2008-06-19 | 기아자동차주식회사 | 디젤 차량에서 매연 여과장치의 재생장치 및 그 방법 |
JP2009209766A (ja) * | 2008-03-04 | 2009-09-17 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2010101200A (ja) * | 2008-10-21 | 2010-05-06 | Mitsubishi Heavy Ind Ltd | 排ガス後処理装置及び排ガス後処理方法 |
KR20100064918A (ko) | 2008-12-05 | 2010-06-15 | 현대자동차주식회사 | 디젤차량의 촉매 재생장치 및 방법 |
KR100999638B1 (ko) * | 2008-12-05 | 2010-12-08 | 기아자동차주식회사 | 차량의 엔진 제어장치 및 방법 |
JP2010159727A (ja) * | 2009-01-09 | 2010-07-22 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
EP2216522A1 (en) * | 2009-02-05 | 2010-08-11 | Delphi Technologies Holding S.à.r.l. | On-board vehicle diagnostic of an oxidation catalyst |
KR101114385B1 (ko) | 2009-09-01 | 2012-02-14 | 현대자동차주식회사 | 디젤차량의 후처리계 보호장치 및 방법 |
JP5370134B2 (ja) * | 2009-12-24 | 2013-12-18 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
KR101268106B1 (ko) | 2011-02-09 | 2013-05-29 | 주식회사 코렌텍 | 인공고관절용 비구컵 및 베어링 및 비구컵 어셈블리 |
-
2012
- 2012-08-22 KR KR1020120091596A patent/KR101406419B1/ko not_active Expired - Fee Related
- 2012-10-12 JP JP2012227003A patent/JP6129514B2/ja active Active
- 2012-11-28 US US13/687,448 patent/US9103257B2/en not_active Expired - Fee Related
- 2012-12-12 DE DE102012112148.6A patent/DE102012112148A1/de not_active Withdrawn
- 2012-12-17 CN CN201210548177.6A patent/CN103628956B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0996215A (ja) * | 1995-10-02 | 1997-04-08 | Komatsu Ltd | ディーゼルエンジンのNOx 触媒の劣化検出装置およびその劣化検出方法 |
JPH11280456A (ja) * | 1998-01-24 | 1999-10-12 | Daimler Benz Ag | 内燃機関の排気ガスの浄化方法及び装置 |
KR100795033B1 (ko) * | 2006-07-25 | 2008-01-16 | 쌍용자동차 주식회사 | 디젤차량의 디오씨 재생방법 |
Also Published As
Publication number | Publication date |
---|---|
CN103628956B (zh) | 2017-06-13 |
JP6129514B2 (ja) | 2017-05-17 |
US9103257B2 (en) | 2015-08-11 |
US20140053534A1 (en) | 2014-02-27 |
CN103628956A (zh) | 2014-03-12 |
JP2014040826A (ja) | 2014-03-06 |
DE102012112148A1 (de) | 2014-02-27 |
KR20140025677A (ko) | 2014-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5415481B2 (ja) | 内燃機関の希薄排ガスから窒素酸化物およびカーボンブラック粒子を除去するための方法 | |
KR101406419B1 (ko) | Doc 재생주기 결정방법 | |
JP5035263B2 (ja) | 内燃機関の排気浄化装置 | |
JP4415989B2 (ja) | 内燃機関の排ガス浄化装置、排ガス浄化方法、及び内燃機関用s分捕捉材 | |
KR101724453B1 (ko) | 배기 가스 정화 장치 및 이를 제어하는 방법 | |
WO2003083273A1 (fr) | Systeme d'epuration de nox et procede de reactivation de catalyseur deteriore | |
JP2008240640A (ja) | 排ガス浄化装置 | |
JP3613083B2 (ja) | 排気浄化制御装置 | |
JP6707289B2 (ja) | 選択還元型触媒の再生方法 | |
JP3746179B2 (ja) | 内燃機関の排ガス浄化装置 | |
RU2412361C2 (ru) | Способ эксплуатации каталитического нейтрализатора-накопителя оксидов азота в системе выпуска отработавших газов, образующихся при работе дизельного двигателя | |
KR20070049859A (ko) | 디젤 자동차의 배기가스 정화장치 및 그 재생방법 | |
JP3876903B2 (ja) | 排気ガス浄化システムの脱硫制御方法及び排気ガス浄化システム | |
JP4406412B2 (ja) | 窒素酸化物吸着触媒の再生を開始するための方法と装置 | |
JP4147702B2 (ja) | 内燃機関の排ガス浄化用NOx吸着触媒 | |
JPH11190210A (ja) | 排ガス浄化制御装置 | |
JP4496453B2 (ja) | 排ガス浄化用触媒の再生方法及び排ガス制御方法 | |
JP3896223B2 (ja) | 内燃機関の排ガス浄化装置 | |
JP3896224B2 (ja) | 内燃機関の制御装置 | |
JP2003293746A (ja) | 内燃機関の排気浄化装置 | |
JP2005083354A (ja) | 排気浄化器の浄化能力回復方法 | |
KR20130049302A (ko) | Doc활성 향상시스템 및 향상방법 | |
JP2006037790A (ja) | ガスヒートポンプの排ガス浄化装置及び排ガス浄化方法 | |
KR20070093130A (ko) | 질소 산화물 저장 촉매의 재생방법 | |
JP2009114908A (ja) | 内燃機関の排気浄化装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20120822 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20131023 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20140414 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20140603 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20140603 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20180530 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20180530 Start annual number: 5 End annual number: 5 |
|
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20200314 |