JP2011047282A - 水素エンジンの制御装置 - Google Patents
水素エンジンの制御装置 Download PDFInfo
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- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B60L50/00—Electric propulsion with power supplied within the vehicle
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- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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- B60L2210/40—DC to AC converters
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/441—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/443—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/445—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/12—Emission reduction of exhaust
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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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
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- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
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- Hybrid Electric Vehicles (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
【解決手段】排気通路39の三元触媒51上流側にヒータ53bを有するリニア空燃比センサ53を備えた、水素を燃料とする水素エンジン5の制御装置である。PCM3は、水温センサ59により検出されたエンジン水温Twが第1基準温度Tw1未満のときは、目標空燃比をリーン空燃比に設定する一方、第1基準温度Tw1以上且つ第2基準温度Tw2未満のときは、目標空燃比を理論空燃比又はリッチ空燃比に設定する。
【選択図】図9
Description
図5(a)に示すように、水温センサ59により検出されたエンジン水温Twが、第1基準温度Tw1未満の極冷間時には、水温センサ59からの信号を受けたPCM3が、水素の燃焼により多量の水分が発生するのを抑えるために、図5(b)に示すように、目標空燃比をリーン空燃比に設定する。
図7(a)に示すように、水温センサ59により検出されたエンジン水温Twが、第1基準温度Tw1以上且つ第2基準温度Tw2未満の冷間時には、水温センサ59からの信号を受けたPCM3が、エンジン5の暖機を促進するために、図7(b)に示すように、目標空燃比をリッチ空燃比(理論空燃比でもよい)に設定する。
図8(a)に示すように、水温センサ59により検出されたエンジン水温Twが、第2基準温度Tw2以上の温間時には、水温センサ59からの信号を受けたPCM3が、エミッション性能及び燃費を向上させるために、図8(b)に示すように、目標空燃比をリーン空燃比に設定する。
ここで、制御装置の処理動作について、図9に示すフローチャートに基づいて説明する。
本実施形態によれば、水素を燃料とすることから、排気通路39の三元触媒51が活性化されていない場合でも、ガソリン等に比べてエミッション性能の低下が抑えられる。
本発明は、実施形態に限定されず、その精神又は主要な特徴から逸脱することなく他の色々な形で実施することができる。
3 PCM(目標空燃比設定手段)(発電機制御手段)(SOC検出手段)
5 エンジン(水素エンジン)
7 第1モータ(発電機)
11 バッテリ
39 排気通路(排気系)
51 三元触媒(触媒)
53 リニア空燃比センサ(空燃比センサ)
53b ヒータ(素子加熱用ヒータ)
59 水温センサ(温度検出手段)
61a 電流センサ(SOC検出手段)
61b 電圧センサ(SOC検出手段)
Claims (5)
- 排気系の触媒上流側に素子加熱用ヒータを有する空燃比センサを備え、水素を燃料とする水素エンジンの制御装置であって、
上記エンジンに関連する温度を検出する温度検出手段と、
上記温度検出手段により検出された温度に応じて、目標空燃比を設定する目標空燃比設定手段と、をさらに備え、
上記目標空燃比設定手段は、上記温度検出手段により検出された温度が、第1基準温度未満の極冷間時には、目標空燃比を理論空燃比よりも大きいリーン空燃比に設定する一方、第1基準温度以上且つ当該第1基準温度よりも高い第2基準温度未満の冷間時には、目標空燃比を理論空燃比又は理論空燃比よりも小さいリッチ空燃比に設定することを特徴とする水素エンジンの制御装置。 - 請求項1記載の水素エンジンの制御装置において、
上記エンジンは、当該エンジンにより回転駆動されて発電する発電機を有しており、
リーン空燃比によるリーン運転時に、エンジンに負荷をかけるように上記発電機を制御する発電機制御手段をさらに備えていることを特徴とする水素エンジンの制御装置。 - 請求項2記載の水素エンジンの制御装置において、
上記発電機による発電電力を充放電可能なバッテリのSOCを検出するSOC検出手段をさらに備え、
上記発電機制御手段は、上記SOC検出手段により検出された上記バッテリのSOCが第1基準値以下のときは、上記発電機による発電電力を当該バッテリに充電させることを特徴とする水素エンジンの制御装置。 - 請求項3記載の水素エンジンの制御装置において、
上記発電機制御手段は、上記バッテリのSOCが、第1基準値よりも低い第2基準値に達するまで、当該バッテリの電力を用いて車両に搭載された電気部品を作動させる制御と、当該バッテリのSOCが第1基準値に達するまで、上記発電機による発電電力を当該バッテリに充電させる制御を交互に実行することを特徴とする水素エンジンの制御装置。 - 請求項1〜4のいずれか1つに記載の水素エンジンの制御装置において、
上記目標空燃比設定手段は、上記温度検出手段により検出された温度が、エンジンの暖機完了温度として設定された第2基準温度以上の温間時には、目標空燃比を理論空燃比よりも大きいリーン空燃比に設定することを特徴とする水素エンジンの制御装置。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012197775A (ja) * | 2011-03-23 | 2012-10-18 | Mazda Motor Corp | 火花点火式気体燃料エンジンの制御装置 |
JP2012219685A (ja) * | 2011-04-07 | 2012-11-12 | Mazda Motor Corp | ハイブリッド車のエンジン制御装置 |
US12000350B1 (en) | 2022-12-20 | 2024-06-04 | Toyota Jidosha Kabushiki Kaisha | Controller for hydrogen engine |
Citations (9)
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JPH06178405A (ja) * | 1992-12-11 | 1994-06-24 | Toyota Motor Corp | 電気自動車用エンジン駆動発電機の制御装置 |
JPH06200806A (ja) * | 1992-12-28 | 1994-07-19 | Mazda Motor Corp | 水素エンジンの空燃比制御装置 |
JPH09151759A (ja) * | 1995-12-01 | 1997-06-10 | Nissan Motor Co Ltd | 内燃機関の制御装置 |
JP2003083152A (ja) * | 2001-09-05 | 2003-03-19 | Toyota Motor Corp | 空燃比センサ |
JP2006118372A (ja) * | 2004-10-19 | 2006-05-11 | Mazda Motor Corp | パワートレインの制御装置 |
JP2007056700A (ja) * | 2005-08-22 | 2007-03-08 | Mazda Motor Corp | 水素エンジンの制御装置 |
JP2007198158A (ja) * | 2006-01-24 | 2007-08-09 | Mazda Motor Corp | 水素エンジンの空燃比制御装置 |
JP2008279855A (ja) * | 2007-05-09 | 2008-11-20 | Toyota Motor Corp | 動力出力装置およびこれを搭載する車両並びに動力出力装置の制御方法 |
JP2010071110A (ja) * | 2008-09-16 | 2010-04-02 | Toyota Motor Corp | 内燃機関の制御装置 |
-
2009
- 2009-08-25 JP JP2009193990A patent/JP5347832B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06178405A (ja) * | 1992-12-11 | 1994-06-24 | Toyota Motor Corp | 電気自動車用エンジン駆動発電機の制御装置 |
JPH06200806A (ja) * | 1992-12-28 | 1994-07-19 | Mazda Motor Corp | 水素エンジンの空燃比制御装置 |
JPH09151759A (ja) * | 1995-12-01 | 1997-06-10 | Nissan Motor Co Ltd | 内燃機関の制御装置 |
JP2003083152A (ja) * | 2001-09-05 | 2003-03-19 | Toyota Motor Corp | 空燃比センサ |
JP2006118372A (ja) * | 2004-10-19 | 2006-05-11 | Mazda Motor Corp | パワートレインの制御装置 |
JP2007056700A (ja) * | 2005-08-22 | 2007-03-08 | Mazda Motor Corp | 水素エンジンの制御装置 |
JP2007198158A (ja) * | 2006-01-24 | 2007-08-09 | Mazda Motor Corp | 水素エンジンの空燃比制御装置 |
JP2008279855A (ja) * | 2007-05-09 | 2008-11-20 | Toyota Motor Corp | 動力出力装置およびこれを搭載する車両並びに動力出力装置の制御方法 |
JP2010071110A (ja) * | 2008-09-16 | 2010-04-02 | Toyota Motor Corp | 内燃機関の制御装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012197775A (ja) * | 2011-03-23 | 2012-10-18 | Mazda Motor Corp | 火花点火式気体燃料エンジンの制御装置 |
JP2012219685A (ja) * | 2011-04-07 | 2012-11-12 | Mazda Motor Corp | ハイブリッド車のエンジン制御装置 |
US12000350B1 (en) | 2022-12-20 | 2024-06-04 | Toyota Jidosha Kabushiki Kaisha | Controller for hydrogen engine |
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