JP7138142B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP7138142B2 JP7138142B2 JP2020139873A JP2020139873A JP7138142B2 JP 7138142 B2 JP7138142 B2 JP 7138142B2 JP 2020139873 A JP2020139873 A JP 2020139873A JP 2020139873 A JP2020139873 A JP 2020139873A JP 7138142 B2 JP7138142 B2 JP 7138142B2
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Description
蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動され、かつ、回生動作によって発生した回生電力を前記蓄電装置に供給可能な電動機と、
を備える車両の制御装置であって、
前記電動機が回生動作可能な回生区間が前記車両の走行予定経路に含まれる場合に、前記回生区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の放電量を増加させる放電制御を実行する放電制御部を備え、
前記放電制御部は、
前記回生区間において発生し得る回生予測電力量に基づいて、前記車両が前記回生区間の開始地点に到達する前に放電すべき目標値となる目標放電電力量を決定し、
前記目標放電電力量を、前記車両から前記開始地点までの距離に応じて変化するパラメータで除した単位量当たりの放電電力量が第1閾値以上となった場合に、前記放電制御を実行する。
蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動される電動機と、
発電し、発電した電力を前記蓄電装置に供給可能な発電機と、
を備える車両の制御装置であって、
前記蓄電装置の電力が前記電動機に供給される放電区間が前記車両の走行予定経路に含まれる場合に、前記放電区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の充電量を増加させる充電制御を実行する充電制御部を備え、
前記充電制御部は、
前記放電区間において放電され得る放電予測電力量に基づいて、前記車両が前記放電区間の開始地点に到達する前に充電すべき目標値となる目標充電電力量を決定し、
前記目標充電電力量を、前記車両から前記開始地点までの距離に応じて変化するパラメータで除した単位量当たりの充電電力量が第1閾値以上となった場合に、前記充電制御を実行する。
また、第3発明は、
蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動され、かつ、回生動作によって発生した回生電力を前記蓄電装置に供給可能な電動機と、
発電した電力を前記電動機に供給可能な発電機を駆動可能な内燃機関と、
を備える車両の制御装置であって、
前記車両は、前記内燃機関による前記発電機の駆動を停止した状態で前記蓄電装置の電力のみを前記電動機に供給することにより走行するEV走行モードをとり得て、
前記制御装置は、前記電動機が回生動作可能な回生区間が前記車両の走行予定経路に含まれる場合に、前記回生区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の放電量を増加させる放電制御を実行する放電制御部を備え、
前記放電制御部は、
前記回生区間において発生し得る回生予測電力量に基づいて、前記車両が前記回生区間の開始地点に到達する前に放電すべき目標値となる目標放電電力量を決定し、
前記目標放電電力量、および前記車両から前記開始地点までの距離に応じて変化するパラメータに基づいて、前記放電制御を実行し、
前記蓄電装置から前記電動機に供給可能な電力の最大値を前記放電制御により増加させ、
前記制御装置は、
前記電動機に前記蓄電装置の電力のみを供給して前記車両の走行に要求される駆動力を得ることができる場合に、前記EV走行モードで前記車両を走行させる。
図1に示すように、本発明における車両の一例である車両10は、ハイブリッド電気自動車であり、エンジンENGと、第1モータジェネレータMG1と、第2モータジェネレータMG2と、バッテリBATと、クラッチCLと、電力変換装置11と、各種センサ12と、ナビゲーション装置13と、制御装置20と、を含んで構成される。なお、図1において、太い実線は機械連結を示し、二重点線は電気配線を示し、細い実線矢印は制御信号または検出信号を示す。
次に、車両10の走行モードについて説明する。車両10は、走行モードとして、EV走行モードと、ハイブリッド走行モードと、エンジン走行モードと、をとり得る。そして、車両10は、これらの走行モードのうちのいずれかの走行モードによって走行する。車両10をいずれの走行モードで走行させるかは、制御装置20によって制御される。
EV走行モードは、バッテリBATの電力のみを第1モータジェネレータMG1に供給し、該電力に応じて第1モータジェネレータMG1が出力する動力によって車両10を走行させる走行モードである。
ハイブリッド走行モードは、少なくとも第2モータジェネレータMG2の電力を第1モータジェネレータMG1に供給し、該電力に応じて第1モータジェネレータMG1が出力する動力を主として車両10を走行させる走行モードである。
エンジン走行モードは、エンジンENGが出力する動力を主として車両10を走行させる走行モードである。
次に、制御装置20について説明する。図1に示すように、制御装置20は、制御装置20の記憶装置に記憶されたプログラムをプロセッサが実行することによって実現される機能部として、放電制御部21を備える。
次に、制御装置20が行う放電制御処理の一例について説明する。制御装置20は、例えば、車両10が走行可能な状態であるときに(例えば車両10のイグニッション電源がオンであるときに)、以下に説明する放電制御処理を実行する。
次に、制御装置20によって放電制御が行われる場合の具体的な一例について説明する。図5において、車両10は、一定の車速v1(例えば10[km/h])で経路R1を走行している(図5中の(A)および(B)を参照)。ここで、経路R1は、車両10の走行予定経路として予測された経路であり、回生区間Rs1を含んでいる。また、回生区間Rs1では、回生予測電力量Pgが発生し得ると予測されている。
次に、制御装置20によって充電制御が行われる場合の具体的な一例について説明する。図6に示す例において、車両10は、ハイブリッド走行モードにより、一定の車速v2(例えば100[km/h])で経路R2を走行している(図6中の(A)および(B)を参照)。経路R2は、車両10の走行予定経路として予測された経路であり、放電区間Rs2を含んでいる。
駆動輪(駆動輪DW)と連結され、前記蓄電装置の電力が供給されることによって駆動され、かつ、回生動作によって発生した回生電力を前記蓄電装置に供給可能な電動機(第1モータジェネレータMG1)と、
を備える車両(車両10)の制御装置(制御装置20)であって、
前記電動機が回生動作可能な回生区間(回生区間Rs1)が前記車両の走行予定経路(経路R1)に含まれる場合に、前記回生区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の放電量を増加させる放電制御を実行する放電制御部(放電制御部21)を備え、
前記放電制御部は、
前記回生区間において発生し得る回生予測電力量(回生予測電力量Pg)に基づいて、前記車両が前記回生区間の開始地点に到達する前に放電すべき目標値となる目標放電電力量を決定し、
前記目標放電電力量、および前記車両から前記開始地点までの距離に応じて変化するパラメータに基づいて、前記放電制御を実行する、車両の制御装置。
前記放電制御部は、前記目標放電電力量を前記パラメータで除した単位量当たりの放電電力量が第1閾値以上となった場合に、前記放電制御を実行する、車両の制御装置。
前記放電制御部は、前記放電制御において、前記単位量当たりの放電電力量に基づいて、前記蓄電装置から前記電動機に供給する電力を制御する、車両の制御装置。
前記車両は、内燃機関(エンジンENG)をさらに備え、前記内燃機関および前記電動機の少なくとも一方からの動力によって前記駆動輪を駆動して走行可能に構成され、
前記放電制御部は、前記単位量当たりの放電電力量が前記第1閾値と同等、または前記第1閾値よりも大きい第2閾値以上となった場合に、前記放電制御において、前記電動機のみの動力によって前記駆動輪を駆動して前記車両を走行させる頻度を増加させる、車両の制御装置。
前記車両は、前記回生電力を前記蓄電装置に供給しないで消費する廃電を実行可能に構成され、
前記放電制御部は、現在の前記蓄電装置の残容量および前記回生予測電力量の合計値と、前記廃電が実行される条件となる前記蓄電装置の残容量との差分を、前記目標放電電力量として決定する、車両の制御装置。
前記パラメータは、前記車両が前記開始地点に到達するまでの所要時間である、車両の制御装置。
駆動輪(駆動輪DW)と連結され、前記蓄電装置の電力が供給されることによって駆動される電動機(第1モータジェネレータMG1)と、
発電し、発電した電力を前記蓄電装置に供給可能な発電機(第2モータジェネレータMG2)と、
を備える車両(車両10)の制御装置(制御装置20)であって、
前記蓄電装置の電力が前記電動機に供給される放電区間(放電区間Rs2)が前記車両の走行予定経路(経路R2)に含まれる場合に、前記放電区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の充電量を増加させる充電制御を実行する充電制御部(充電制御部22)を備え、
前記充電制御部は、
前記放電区間において放電され得る放電予測電力量(放電予測電力量Pd)に基づいて、前記車両が前記放電区間の開始地点に到達する前に充電すべき目標値となる目標充電電力量を決定し、
前記目標充電電力量、および前記車両から前記開始地点までの距離に応じて変化するパラメータに基づいて、前記充電制御を実行する、車両の制御装置。
20 制御装置
21 放電制御部
22 充電制御部
BAT バッテリ(蓄電装置)
ENG エンジン(内燃機関)
MG1 第1モータジェネレータ(電動機)
MG2 第2モータジェネレータ(発電機)
R1、R2 経路(走行予定経路)
Rs1 回生区間
Rs2 放電区間
Claims (7)
- 蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動され、かつ、回生動作によって発生した回生電力を前記蓄電装置に供給可能な電動機と、
を備える車両の制御装置であって、
前記電動機が回生動作可能な回生区間が前記車両の走行予定経路に含まれる場合に、前記回生区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の放電量を増加させる放電制御を実行する放電制御部を備え、
前記放電制御部は、
前記回生区間において発生し得る回生予測電力量に基づいて、前記車両が前記回生区間の開始地点に到達する前に放電すべき目標値となる目標放電電力量を決定し、
前記目標放電電力量を、前記車両から前記開始地点までの距離に応じて変化するパラメータで除した単位量当たりの放電電力量が第1閾値以上となった場合に、前記放電制御を実行する、車両の制御装置。 - 請求項1に記載の車両の制御装置であって、
前記放電制御部は、前記放電制御において、前記単位量当たりの放電電力量に基づいて、前記蓄電装置から前記電動機に供給する電力を制御する、車両の制御装置。 - 請求項1または2に記載の車両の制御装置であって、
前記車両は、内燃機関をさらに備え、前記内燃機関および前記電動機の少なくとも一方からの動力によって前記駆動輪を駆動して走行可能に構成され、
前記放電制御部は、前記単位量当たりの放電電力量が前記第1閾値と同等、または前記第1閾値よりも大きい第2閾値以上となった場合に、前記放電制御において、前記電動機のみの動力によって前記駆動輪を駆動して前記車両を走行させる頻度を増加させる、車両の制御装置。 - 請求項1~3のいずれか一項に記載の車両の制御装置であって、
前記車両は、前記回生電力を前記蓄電装置に供給しないで消費する廃電を実行可能に構成され、
前記放電制御部は、現在の前記蓄電装置の残容量および前記回生予測電力量の合計値と、前記廃電が実行される条件となる前記蓄電装置の残容量との差分を、前記目標放電電力量として決定する、車両の制御装置。 - 請求項1~4のいずれか一項に記載の車両の制御装置であって、
前記パラメータは、前記車両が前記開始地点に到達するまでの所要時間である、車両の制御装置。 - 蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動される電動機と、
発電し、発電した電力を前記蓄電装置に供給可能な発電機と、
を備える車両の制御装置であって、
前記蓄電装置の電力が前記電動機に供給される放電区間が前記車両の走行予定経路に含まれる場合に、前記放電区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の充電量を増加させる充電制御を実行する充電制御部を備え、
前記充電制御部は、
前記放電区間において放電され得る放電予測電力量に基づいて、前記車両が前記放電区間の開始地点に到達する前に充電すべき目標値となる目標充電電力量を決定し、
前記目標充電電力量を、前記車両から前記開始地点までの距離に応じて変化するパラメータで除した単位量当たりの充電電力量が第1閾値以上となった場合に、前記充電制御を実行する、車両の制御装置。 - 蓄電装置と、
駆動輪と連結され、前記蓄電装置の電力が供給されることによって駆動され、かつ、回生動作によって発生した回生電力を前記蓄電装置に供給可能な電動機と、
発電した電力を前記電動機に供給可能な発電機を駆動可能な内燃機関と、
を備える車両の制御装置であって、
前記車両は、前記内燃機関による前記発電機の駆動を停止した状態で前記蓄電装置の電力のみを前記電動機に供給することにより走行するEV走行モードをとり得て、
前記制御装置は、前記電動機が回生動作可能な回生区間が前記車両の走行予定経路に含まれる場合に、前記回生区間が前記走行予定経路に含まれない場合と比して、前記蓄電装置の放電量を増加させる放電制御を実行する放電制御部を備え、
前記放電制御部は、
前記回生区間において発生し得る回生予測電力量に基づいて、前記車両が前記回生区間の開始地点に到達する前に放電すべき目標値となる目標放電電力量を決定し、
前記目標放電電力量、および前記車両から前記開始地点までの距離に応じて変化するパラメータに基づいて、前記放電制御を実行し、
前記蓄電装置から前記電動機に供給可能な電力の最大値を前記放電制御により増加させ、
前記制御装置は、
前記電動機に前記蓄電装置の電力のみを供給して前記車両の走行に要求される駆動力を得ることができる場合に、前記EV走行モードで前記車両を走行させる、車両の制御装置。
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KR102444661B1 (ko) * | 2017-11-01 | 2022-09-19 | 현대자동차주식회사 | 하이브리드 자동차 및 그를 위한 주행 모드 제어 방법 |
JP7138143B2 (ja) * | 2020-08-21 | 2022-09-15 | 本田技研工業株式会社 | 車両の制御装置 |
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Patent Citations (2)
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JP2003009310A (ja) | 2001-06-25 | 2003-01-10 | Nissan Motor Co Ltd | ハイブリッド車両の制御装置 |
JP2018079728A (ja) | 2016-11-14 | 2018-05-24 | トヨタ自動車株式会社 | ハイブリッド車両 |
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