KR20180128352A - 차량 및 차량의 제어 방법 - Google Patents
차량 및 차량의 제어 방법 Download PDFInfo
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- 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
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
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- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0864—Oxygen
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- 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
- F01N3/101—Three-way catalysts
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- F02D41/0002—Controlling intake air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F02D41/0295—Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
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- F02D41/04—Introducing corrections for particular operating conditions
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- 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
- F02D41/1445—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 related to the exhaust flow
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
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- 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
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- 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
- F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
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- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
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- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
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- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/11—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hybrid vehicles
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Abstract
Description
도 1은, 본 발명의 실시 형태에 따른 제어 장치(이하, 「실시 장치」라 호칭함)가 적용되는 차량 구동 장치가 탑재된 하이브리드 차량을 도시한 도면이다.
도 2는, 도 1에 도시한 내연 기관을 도시한 도면이다.
도 3은, 실시 장치의 전자 제어 유닛을 도시한 도면이다.
도 4는, 내연 기관의 운전 정지가 요구되었을 때에 실시 장치가 행하는 제어를 설명하기 위한 타임 차트이다.
도 5는, 실시 장치의 하이브리드 ECU의 CPU(이하, 간단히 「CPU」라 호칭함)가 실행하는 루틴을 나타낸 흐름도이다.
Claims (9)
- 차량(100)에 있어서,
배기 통로를 포함하는 내연 기관(10)과,
상기 배기 통로에 설치되고, 미연소 연료를 산화하도록 구성되며, 또한 산소를 흡장하도록 구성되는 촉매(53)와,
전자 제어 유닛(90)을 포함하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 기관 정지 조건이 성립하였다고 판단되는 경우, 연료 분사를 정지함과 함께 상기 촉매(53)에 유입되는 산소의 양인 촉매 유입 산소량을 소정 산소 증대량으로 증대시키도록 구성되고, 상기 기관 정지 조건은 상기 내연 기관(10)의 운전을 정지시키는 조건이며, 상기 소정 산소 증대량은, 연료 분사의 정지에 의해 증대되는 상기 촉매 유입 산소량의 증대분보다도 큰 양인 것을 특징으로 하는, 차량(100). - 제1항에 있어서,
상기 내연 기관(10)은 스로틀 밸브(43)를 포함하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 상기 스로틀 밸브(43)의 개방도를 연료 분사의 정지 시점에 있어서의 상기 스로틀 밸브(43)의 개방도보다도 크게 함으로써, 상기 촉매 유입 산소량을 상기 소정 산소 증대량으로 증대시키도록 구성되는 것을 특징으로 하는, 차량(100). - 제1항 또는 제2항에 있어서,
상기 내연 기관(10)을 회전시키는 전동기(110)를 더 구비하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 제1 시간이 경과할 때까지 상기 전동기(110)에 의해 상기 내연 기관(10)을 회전시킴으로써, 상기 촉매 유입 산소량을 상기 소정 산소 증대량으로 증대시키도록 구성되고, 상기 제1 시간은, 연료 분사가 정지된 후, 상기 촉매(53)에 유입되는 미연소 연료의 양이 제로가 되었다고 추정되는 시간보다도 긴 시간인 것을 특징으로 하는, 차량(100). - 제1항에 있어서, 상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 상기 내연 기관(10)의 온도가 낮을수록, 상기 소정 산소 증대량을 크게 하도록 구성되는 것을 특징으로 하는, 차량(100).
- 제4항에 있어서,
상기 내연 기관(10)은 스로틀 밸브(43)를 포함하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 상기 스로틀 밸브(43)의 개방도를 연료 분사의 정지 시점에 있어서의 상기 스로틀 밸브(43)의 개방도보다도 소정 개방도로 크게 함으로써, 상기 촉매 유입 산소량을 상기 소정 산소 증대량으로 증대시키도록 구성되며, 또한 상기 내연 기관(10)의 온도가 낮을수록, 상기 소정 개방도를 큰 값으로 설정함으로써, 상기 소정 산소 증대량을 크게 하도록 구성되는 것을 특징으로 하는, 차량(100). - 제4항 또는 제5항에 있어서,
상기 내연 기관(10)을 회전시키는 전동기(110)를 더 구비하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 제1 시간이 경과할 때까지 상기 전동기(110)에 의해 상기 내연 기관(10)을 소정 회전 속도로 회전시킴으로써, 상기 촉매 유입 산소량을 상기 소정 산소 증대량으로 증대시키도록 구성되며, 또한 상기 내연 기관(10)의 온도가 낮을수록, 상기 소정 회전 속도를 크게 함으로써, 상기 소정 산소 증대량을 크게 하도록 구성되고, 상기 제1 시간은, 연료 분사가 정지된 후, 상기 촉매(53)에 유입되는 미연소 연료의 양이 제로가 되었다고 추정되는 시간보다도 긴 시간인 것을 특징으로 하는, 차량(100). - 제4항 또는 제5항에 있어서,
상기 내연 기관(10)을 회전시키는 전동기(110)를 더 구비하고,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단되는 경우, 제1 시간이 경과할 때까지 상기 전동기(110)에 의해 상기 내연 기관(10)을 소정 회전 속도로 회전시킴으로써, 상기 촉매 유입 산소량을 상기 소정 산소 증대량으로 증대시키도록 구성되며, 또한 상기 내연 기관(10)의 온도가 낮을수록, 상기 제1 시간을 길게 함으로써, 상기 소정 산소 증대량을 크게 하도록 구성되고, 상기 제1 시간은, 연료 분사가 정지된 후, 상기 촉매(53)에 유입되는 미연소 연료의 양이 제로가 되었다고 추정되는 시간보다도 긴 시간인 것을 특징으로 하는, 차량(100). - 제1항 내지 제7항 중 어느 한 항에 있어서,
상기 전자 제어 유닛(90)은, 상기 전자 제어 유닛(90)에 의해 상기 기관 정지 조건이 성립하였다고 판단된 후, 미리 정해지는 시간인 제2 시간이 경과한 시점에서 연료 분사를 정지하도록 구성되며, 또한 상기 내연 기관(10)의 온도가 낮을수록, 상기 제2 시간을 짧은 시간으로 설정하도록 구성되는 것을 특징으로 하는, 차량(100). - 차량(100)의 제어 방법이며,
상기 차량은, 배기 통로를 포함하는 내연 기관(10)과, 상기 배기 통로에 설치되고, 미연소 연료를 산화하도록 구성되며, 또한 산소를 흡장하도록 구성되는 촉매(53)와, 전자 제어 유닛(90)을 포함하고,
상기 제어 방법은,
상기 전자 제어 유닛(90)에 의해 기관 정지 조건이 성립하였다고 판단되는 경우, 연료 분사를 정지함과 함께 상기 촉매에 유입되는 산소의 양인 촉매 유입 산소량을 상기 전자 제어 유닛(90)에 의해 소정 산소 증대량으로 증대시키는 것과,
상기 기관 정지 조건은 상기 내연 기관(10)의 운전을 정지시키는 조건이며, 상기 소정 산소 증대량은, 연료 분사의 정지에 의해 증대되는 상기 촉매 유입 산소량의 증대분보다도 큰 양인 것을 포함하는 것을 특징으로 하는, 차량(100)의 제어 방법.
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| JP7298565B2 (ja) * | 2020-08-07 | 2023-06-27 | トヨタ自動車株式会社 | 電気自動車 |
| JP2022175545A (ja) * | 2021-05-14 | 2022-11-25 | トヨタ自動車株式会社 | 車両の制御装置 |
| JP7652054B2 (ja) | 2021-11-24 | 2025-03-27 | 株式会社豊田自動織機 | 内燃機関システムの制御装置 |
| JP7652089B2 (ja) * | 2022-01-14 | 2025-03-27 | トヨタ自動車株式会社 | 車両の制御装置 |
| JP7771890B2 (ja) * | 2022-08-09 | 2025-11-18 | トヨタ自動車株式会社 | 車両用制御システム |
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| US10724456B2 (en) | 2020-07-28 |
| DE102018111879A1 (de) | 2018-11-29 |
| DE102018111879B4 (de) | 2022-09-15 |
| JP6617750B2 (ja) | 2019-12-11 |
| JP2018197499A (ja) | 2018-12-13 |
| US20180340481A1 (en) | 2018-11-29 |
| RU2690296C1 (ru) | 2019-05-31 |
| CN108930599A (zh) | 2018-12-04 |
| KR102038906B1 (ko) | 2019-10-31 |
| BR102018010167A2 (pt) | 2018-12-18 |
| CN108930599B (zh) | 2021-07-27 |
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