JP2011153586A - 内燃機関の制御装置 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0223—Variable control of the intake valves only
- F02D13/0234—Variable control of the intake valves only changing the valve timing only
- F02D13/0238—Variable control of the intake valves only changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
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- 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
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
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- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
- F02N11/0825—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode related to prevention of engine restart failure, e.g. disabling automatic stop at low battery state
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/03—Stopping; Stalling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/04—Sensors
- F01L2820/041—Camshafts position or phase sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/04—Sensors
- F01L2820/042—Crankshafts position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/16—Indirect injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D2013/0292—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation in the start-up phase, e.g. for warming-up cold engine or catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- 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
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1035—Details of the valve housing
- F02D9/105—Details of the valve housing having a throttle position sensor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/021—Engine crank angle
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
【解決手段】クランク角センサがクランクシャフトの単位角度毎に出力する回転信号POSのパルス幅WIPOSが、クランクシャフトの正転・逆転で異なるようにし、パルス幅WIPOSを計測することで、クランクシャフトの正転・逆転を判別する。そして、正転・逆転の判別に基づいて、回転信号POSを計数値であるカウンタCNTPOSを更新させ、再始動時には、停止時のカウンタCNTPOSzの値を初期値としてカウンタCNTPOSを更新させる。ここで、始動開始後に確定したクランク角位置でのカウンタCNTPOSの値が、所期値と異なる場合には、正転・逆転の判別機能に異常が生じていると診断する。
【選択図】図8
Description
(イ)請求項3記載の内燃機関の制御装置において、
前記診断手段が、前記クランク角の推定値と前記基準クランク角との差が許容値よりも大きい場合に、前記正転・逆転判別手段が異常であると判定する内燃機関の制御装置。
(ロ)請求項2記載の内燃機関の制御装置において、
前記回転信号が、前記クランクシャフトの単位角度毎のパルス列からなるパルス信号であり、かつ、前記パルス信号のパルス幅が前記クランクシャフトの正転・逆転で異なり、
前記正転・逆転判別手段が、前記回転信号のパルス幅の計測値と閾値とを比較して、前記クランクシャフトの正転・逆転を判別する内燃機関の制御装置。
(ハ)請求項1〜4のいずれか1つに記載の内燃機関の制御装置において、
前記診断手段が前記正転・逆転判別手段の異常を判定した場合に、異常発生を警告する警告手段を更に備えた内燃機関の制御装置。
(ニ)請求項3記載の内燃機関の制御装置において、
前記回転信号が、所定のクランク角で部分的に欠落するように予め設定され、
前記診断手段が、前記回転信号の欠落部分を前記回転信号の発生周期に基づいて検出し、欠落部分を基準にして基準クランク角を検出する内燃機関の制御装置。
Claims (4)
- 内燃機関のクランクシャフトの正転・逆転を判別する正転・逆転判別手段と、
前記正転・逆転判別手段による正転・逆転の判別に基づき、前記内燃機関の停止時のクランク角を検出する停止位置検出手段と、
前記停止位置検出手段が検出した停止時のクランク角を基準として推定したクランク角と、前記内燃機関の始動開始後に検出したクランク角とを比較して、前記正転・逆転判別手段の異常の有無を判定する診断手段と、
を備えた内燃機関の制御装置。 - 前記正転・逆転判別手段が、前記クランクシャフトの単位角度毎に出力される回転信号であって、前記クランクシャフトの正転・逆転で異なる回転信号に基づいて、前記クランクシャフトの正転・逆転を判別し、
前記停止位置検出手段が、正転・逆転の判別に応じて前記回転信号を計数することで、停止時のクランク角を検出する請求項1記載の内燃機関の制御装置。 - 前記診断手段が、前記内燃機関の始動時に、前記停止位置検出手段が検出した停止時のクランク角を基準に前記回転信号を計数してクランク角を推定し、前記内燃機関の始動開始後に基準クランク角を検出したときの前記クランク角の推定値に基づいて、前記正転・逆転判別手段の異常の有無を判定する請求項2記載の内燃機関の制御装置。
- 予め設定された停止条件の成立時に前記内燃機関を自動的に停止し、予め設定された再始動条件の成立時に、前記内燃機関を自動的に再始動するアイドルストップ制御手段と、
前記アイドルストップ制御手段が前記内燃機関を再始動する場合に、前記停止位置検出手段が検出した停止時のクランク角を基準として推定したクランク角に基づいて前記内燃機関を制御する始動制御手段と、
前記診断手段が正転・逆転判別手段の異常を判定した場合に、前記アイドルストップ制御手段が前記内燃機関を自動的に停止させる制御又は前記始動制御手段が停止時のクランク角の推定値に基づき前記内燃機関を制御する動作を禁止する制御禁止手段と、
を更に備えた請求項1〜3のいずれか1つに記載の内燃機関の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2010016295A JP5165705B2 (ja) | 2010-01-28 | 2010-01-28 | 内燃機関の制御装置 |
CN201180007268.2A CN102725502B (zh) | 2010-01-28 | 2011-01-28 | 内燃机的控制装置和控制方法 |
PCT/JP2011/051787 WO2011093462A1 (ja) | 2010-01-28 | 2011-01-28 | 内燃機関の制御装置及び制御方法 |
US13/575,652 US9133776B2 (en) | 2010-01-28 | 2011-01-28 | Control apparatus and control method for internal-combustion engine |
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JP2010016295A JP5165705B2 (ja) | 2010-01-28 | 2010-01-28 | 内燃機関の制御装置 |
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JP2011153586A true JP2011153586A (ja) | 2011-08-11 |
JP5165705B2 JP5165705B2 (ja) | 2013-03-21 |
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US (1) | US9133776B2 (ja) |
JP (1) | JP5165705B2 (ja) |
CN (1) | CN102725502B (ja) |
WO (1) | WO2011093462A1 (ja) |
Cited By (3)
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JP2015001167A (ja) * | 2013-06-13 | 2015-01-05 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2015059446A (ja) * | 2013-09-17 | 2015-03-30 | 株式会社デンソー | 回転角検出システム |
JP2015059763A (ja) * | 2013-09-17 | 2015-03-30 | 株式会社デンソー | 回転角センサ、および、それを含む回転角検出システム |
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US20120303251A1 (en) | 2012-11-29 |
WO2011093462A1 (ja) | 2011-08-04 |
US9133776B2 (en) | 2015-09-15 |
CN102725502A (zh) | 2012-10-10 |
CN102725502B (zh) | 2016-05-25 |
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