JP5029784B2 - 電動車両および電動車両の制御方法 - Google Patents
電動車両および電動車両の制御方法 Download PDFInfo
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- JP5029784B2 JP5029784B2 JP2011518175A JP2011518175A JP5029784B2 JP 5029784 B2 JP5029784 B2 JP 5029784B2 JP 2011518175 A JP2011518175 A JP 2011518175A JP 2011518175 A JP2011518175 A JP 2011518175A JP 5029784 B2 JP5029784 B2 JP 5029784B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
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- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/246—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/44—Methods for charging or discharging
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Description
of Charge)が低下すると、新たな副蓄電装置とコンバータとを接続するようにして、複数個の副蓄電装置を順次使用することによって、蓄電エネルギによる走行距離(EV(Electric Vehicle)走行距離)を延ばしている。
好ましくは、一方の処理は、切離処理である。他方の処理は、制動処理である。
好ましくは、一方の処理は、切離処理である。他方の処理は、制動処理である。
図1は、本発明の実施の形態1に係る電動車両の主たる構成を示す図である。
図2を参照して、インバータ14は、U相アーム15と、V相アーム16と、W相アーム17とを含む。U相アーム15、V相アーム16、およびW相アーム17は、給電ラインPL2と接地ラインSL2との間に並列に接続される。
図3を参照して、コンバータ12Aは、一方端が電源ラインPL1Aに接続されるリアクトルL1と、給電ラインPL2と接地ラインSL2との間に直列に接続されるIGBT素子Q1,Q2と、それぞれの逆並列ダイオードD1,D2とを含む。
図1を参照して、本発明の実施の形態2に係る電動車両1Aは、制御装置30に代えて制御装置30Aを備える点において電動車両1と異なる。なお電動車両1Aの他の部分の構成は電動車両1の対応する部分の構成と同様である。したがって、以下では制御装置30Aについて詳細に説明する。
図20は、図18に示した選択制御部53Aの処理を説明するフローチャートである。選択制御部53Aは、予め記憶した所定プログラムを所定周期で実行することによって、図20に示されるフローチャートに従う制御処理手順を所定周期で繰り返し実行することができる。
フラグ、IA 入出力電流、IB 電流、ID 変数、IGON 起動信号、L1 リアクトル、MCRT1,MCRT2 モータ電流値、MG1,MG2 モータジェネレータ、N2 ノード、PL1A,PL1B 電源ライン、PL2 給電ライン、Pttl トータル要求パワー、PWMI1,PWMI2,PWMC,PWMC1,PWMC2 制御信号(インバータ)、PWU,PWUA,PWDA,PWD,PWDA,PWDB 制御信号(コンバータ)、Q1〜Q8 IGBT素子、R 制限抵抗、RQ 回生ブレーキ要求量、SL1,SL2 接地ライン、SMR1〜SMR3 システムメインリレー、SR1,SR1G,SR2,SR2G リレー、TA,TBB,TBB1,TBB2 温度(バッテリ)、Tqcom1,Tqcom2 トルク指令値、UL,VL,WL ライン(三相)、VBA,VBB1,VBB2,VLA,VLB,VH 電圧、VHref 電圧指令値、Win,Win(M),Win(S) 入力上限電力、Wout,Wout(M),Wout(S) 出力上限電力。
Claims (12)
- 車両駆動パワーを発生可能であるととともに、回生制動を行なうことが可能なモータ(MG2)と、
前記モータ(MG2)を制御するためのインバータ(22)と、
主蓄電装置(BA)と、
前記モータ(MG2)による前記車両駆動パワーの発生のために前記インバータ(22)に給電するとともに、前記モータ(MG2)の前記回生制動によって前記インバータ(22)から出力された電力を伝送するための給電ライン(PL2)と、
前記給電ライン(PL2)と前記主蓄電装置(BA)との間に設けられ、双方向の電圧変換を行なうように構成された第1の電圧変換器(12A)と、
互いに並列に設けられた複数の副蓄電装置(BB1,BB2)と、
前記複数の副蓄電装置(BB1,BB2)と前記給電ライン(PL2)との間に設けられ、前記複数の副蓄電装置(BB1,BB2)のうちの選択された副蓄電装置と前記給電ライン(PL2)の間で双方向の電圧変換を行なうように構成された第2の電圧変換器(12B)と、
前記複数の副蓄電装置(BB1,BB2)と前記第2の電圧変換器(12B)との間に設けられ、前記第2の電圧変換器(12B)に対する前記選択された副蓄電装置の接続および切離しを行なうように構成された接続部(39B)と、
前記選択された副蓄電装置と交換可能な新たな副蓄電装置が存在しないときに、前記選択された副蓄電装置の充電状態に基づいて、前記選択された副蓄電装置を前記第2の電圧変換器(12B)から切り離すための切離処理を実行するように構成された接続制御部(51,51A)と、
前記モータ(MG2)による前記回生制動のために前記インバータ(22)を制御する制動処理を実行するように構成された走行制御部(250)と、
前記接続制御部による前記切離処理および前記走行制御部(250)による前記制動処理のいずれか一方の処理の実行中に、他方の処理の実行を禁止するように構成された選択制御部(53,53A)とを備える、電動車両。 - 前記切離処理は、
前記選択された副蓄電装置の前記充電状態に基づいて、前記選択された副蓄電装置を前記第2の電圧変換器(12B)から切り離すことの要否を判定する第1の処理と、
前記選択された副蓄電装置の切離が必要と判断されたときに、前記給電ライン(PL2)の電圧(VH)が、前記主蓄電装置(BA)の出力電圧および前記選択された副蓄電装置の出力電圧よりも高い所定の電圧となるように前記第1の電圧変換器(12A)を制御する第2の処理と、
前記給電ラインの電圧が前記所定の電圧に達した後に、前記選択副蓄電装置による入出力電力上限値(Win(S),Wout(S))を零に設定する第3の処理と、
前記入出力電力上限値(Win(S),Wout(S))が零に設定されたことに応じて、前記選択された副蓄電装置が前記第2の電圧変換器(12B)から切り離されるように前記接続部(39B)を制御する第4の処理とを含み、
前記接続制御部(51,51A)は、
前記第1の処理を実行するように構成された切離判定部(100)と、
前記第2の処理を実行するように構成された昇圧指示部(110)と、
前記第3の処理を実行するように構成された電力制限部(120)と、
前記第4の処理を実行するように構成された切離制御部(140)とを含む、請求の範囲第1項に記載の電動車両。 - 前記電力制限部(120)は、前記第3の処理の実行時に前記入出力電力上限値を零まで漸減するように構成される、請求の範囲第2項に記載の電動車両。
- 前記一方の処理は、前記制動処理であり、
前記他方の処理は、前記切離処理である、請求の範囲第1項に記載の電動車両。 - 前記一方の処理は、前記切離処理であり、
前記他方の処理は、前記制動処理である、請求の範囲第1項に記載の電動車両。 - 前記電動車両は、
前記モータ(MG2)による前記回生制動とは独立に前記電動車両の制動力を発生可能な油圧ブレーキ(42)と、
前記切離処理の実行中に前記電動車両の制動要求が生じた場合に、前記油圧ブレーキ(42)のみによる制動を実行するように構成されたブレーキ制御部(32A)とをさらに備える、請求の範囲第5項に記載の電動車両。 - 電動車両の制御方法であって、前記電動車両は、
車両駆動パワーを発生可能であるととともに、回生制動を行なうことが可能なモータ(MG2)と、
前記モータ(MG2)を制御するためのインバータ(22)と、
主蓄電装置(BA)と、
前記モータ(MG2)による前記車両駆動パワーの発生のために前記インバータ(22)に給電するとともに、前記モータ(MG2)の前記回生制動によって前記インバータ(22)から出力された電力を伝送するための給電ライン(PL2)と、
前記給電ライン(PL2)と前記主蓄電装置(BA)との間に設けられ、双方向の電圧変換を行なうように構成された第1の電圧変換器(12A)と、
互いに並列に設けられた複数の副蓄電装置(BB1,BB2)と、
前記複数の副蓄電装置(BB1,BB2)と前記給電ライン(PL2)との間に設けられ、前記複数の副蓄電装置(BB1,BB2)のうちの選択された副蓄電装置と前記給電ライン(PL2)の間で双方向の電圧変換を行なうように構成された第2の電圧変換器(12B)と、
前記複数の副蓄電装置(BB1,BB2)と前記第2の電圧変換器(12B)との間に設けられ、前記第2の電圧変換器(12B)に対する前記選択された副蓄電装置の接続および切離しを行なうように構成された接続部(39B)と、
前記インバータ(22)および前記接続部(39B)を制御するように構成された制御装置(30,30A)とを備え、
前記制御方法は、
前記選択された副蓄電装置と交換可能な新たな副蓄電装置が存在しないときに、前記選択された副蓄電装置の充電状態に基づいて、前記選択された副蓄電装置を前記第2の電圧変換器(12B)から切り離すための切離処理を実行するステップ(S100−S500)と、
前記モータ(MG2)による前記回生制動のために前記インバータ(22)を制御する制動処理を実行するステップ(S10,S22)と、
前記切離処理および前記制動処理のいずれか一方の処理の実行中に、他方の処理の実行を禁止するステップ(S10−S12,S20−S22)とを備える、電動車両の制御方法。 - 前記切離処理は、
前記選択された副蓄電装置の前記充電状態に基づいて、前記選択された副蓄電装置を前記第2の電圧変換器(12B)から切り離すことの要否を判定する第1の処理と、
前記選択された副蓄電装置の切離が必要と判断されたときに、前記給電ライン(PL2)の電圧(VH)が、前記主蓄電装置(BA)の出力電圧および前記選択された副蓄電装置の出力電圧よりも高い所定の電圧となるように前記第1の電圧変換器(12A)を制御する第2の処理と、
前記給電ラインの電圧が前記所定の電圧に達した後に、前記選択副蓄電装置による入出力電力上限値(Win(S),Wout(S))を零に設定する第3の処理と、
前記入出力電力上限値が零に設定されたときに、前記選択された副蓄電装置が前記第2の電圧変換器から切り離されるように前記接続部を制御する第4の処理とを含み、
前記切離処理を実行するステップ(S100−S500)は、
前記第1の処理を実行するステップ(S100)と、
前記第2の処理を実行するステップ(S200)と、
前記第3の処理を実行するステップ(S300)と、
前記第4の処理を実行するステップ(S400)とを含む、請求の範囲第7項に記載の電動車両の制御方法。 - 前記第3の処理を実行するステップは、
前記入出力電力上限値を零まで漸減するステップ(S320,S330)を含む、請求の範囲第8項に記載の電動車両の制御方法。 - 前記一方の処理は、前記制動処理であり、
前記他方の処理は、前記切離処理である、請求の範囲第7項に記載の電動車両の制御方法。 - 前記一方の処理は、前記切離処理であり、
前記他方の処理は、前記制動処理である、請求の範囲第7項に記載の電動車両の制御方法。 - 前記電動車両は、
前記モータ(MG2)による前記回生制動とは独立に前記電動車両の制動力を発生可能な油圧ブレーキ(42)をさらに備え、
前記制御装置(30)は、前記油圧ブレーキ(42)による制動を制御するように構成され、
前記制御方法は、
前記切離処理の実行中に前記電動車両の制動要求が生じた場合に、前記油圧ブレーキ(42)のみによる制動を実行するステップ(S30,S31,S33)をさらに備える、請求の範囲第11項に記載の電動車両の制御方法。
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US20120022738A1 (en) | 2012-01-26 |
WO2010143280A1 (ja) | 2010-12-16 |
US8509978B2 (en) | 2013-08-13 |
JPWO2010143280A1 (ja) | 2012-11-22 |
EP2444269A4 (en) | 2013-04-10 |
CN102802999B (zh) | 2014-02-26 |
EP2444269B1 (en) | 2016-11-30 |
EP2444269A1 (en) | 2012-04-25 |
CN102802999A (zh) | 2012-11-28 |
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