JP2018107884A - 充電制御装置 - Google Patents
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Abstract
【解決手段】制御装置19は、車両10の外部の電源から供給される電力による蓄電装置15の充電である外部充電のための処理を実行するように構成されている。制御装置19は、サーバ30に集約されている実績データに従って、外部充電の完了後に車両10が走行を開始した場合に一部の区間でSOCが目標SOC(第1の目標SOC)を所定量以上上回ると予測されるときは、目標値を第1の目標値から第2の目標値に低下させる。
【選択図】図2
Description
図1は、本実施の形態に従う車両10が適用されるシステム1の構成を示す図である。図1を参照して、システム1は、複数の車両10と、サーバ30とを含む。なお、本実施の形態において、複数の車両10の各々は、同一車種の車両である。したがって、複数の車両10の各々の仕様は同等である。
図2は、車両10、サーバ30及び充電スタンド40の構成をより詳細に示す図である。図2を参照して、車両10は、インレット13と、充電器14と、蓄電装置15と、モータ駆動装置16と、通信装置17と、表示装置18と、ナビゲーション装置29と、制御装置19とを含む。サーバ30は、通信装置31と、制御装置32と、HDD(Hard Disk Drive)33とを含む。充電スタンド40は、給電設備41と、コネクタ42とを含む。
モータ駆動装置16に含まれるモータジェネレータは、たとえば、車両10の減速時、及び、車両10の下り坂での加速度低減時等に回生発電を行なうように構成されている。回生発電によって生成された回生電力は、蓄電装置15に蓄えられる。しかしながら、蓄電装置15のSOCが上限値に達している場合に回生電力が生成されたとしても、蓄電装置15は回生電力を蓄えることができない。したがって、たとえば山頂に設置された充電スタンド40において、SOCの上限値付近まで外部充電が行なわれると、下山時に生成される回生電力が蓄電装置15に十分に蓄えられない場合があり、その場合には回生電力の一部が捨てられてしまう。
次に、外部充電の完了後に自車両11が走行を開始した場合の最大SOC増加量の予測方法の一例について説明する。まず、自車両11は、現在地(充電スタンドの位置)を示すデータ(GPSデータ)をサーバ30に送信する。サーバ30の制御装置32は、データベース50(図3)において、受信したGPSデータに対応する充電スタンド40(たとえば、充電スタンドA1(図3))を検索する。たとえば、制御装置32は、受信したGPSデータが示す地点から半径数メートル〜数十メートル以内に存在する充電スタンド40を検索する。
図5は、目標SOCの決定処理手順を示すフローチャートである。左方のフローチャートに示される処理は、自車両11において実行される。右方のフローチャートに示される処理は、サーバ30において実行される。これらのフローチャートに示される処理は、たとえば、外部充電を行なうためにインレット13にコネクタ42が接続された後に実行される。
上記実施の形態においては、外部充電完了後に回生電力が捨てられる事態を回避するために、今後の走行における最大SOC増加量が所定量以上であると予測される場合に、外部充電における目標SOCが第1の目標SOCから第2の目標SOC下げられた。本変形例に従う車両10においては、目標SOCが第2の目標SOCに低下したことによって、回生電力が十分に回収される前に、蓄電装置15のSOCが下限値に達する可能性がある点が着目されている。
図7は、本変形例における、目標SOCの決定処理手順を示すフローチャートである。左方のフローチャートに示される処理は、自車両11において実行される。右方のフローチャートに示される処理は、サーバ30において実行される。これらのフローチャートに示される処理は、たとえば、外部充電を行なうためにインレット13にコネクタ42が接続された後に実行される。ステップS200〜S260、S290に示される処理は、図5のステップS100〜S160、S170に示される処理とそれぞれ同様であるため、説明を繰り返さない。
上記実施の形態においては、外部充電の目標SOCの決定処理が車両10において実行された。しかしながら、目標SOCの決定処理は、必ずしも車両10において実行される必要はない。たとえば、目標SOCの決定処理は、充電スタンド40において実行されてもよい。この場合には、図5及び図7に示されるフローチャートの処理のうち、たとえば、自車両11の制御装置19によって実行された処理を、充電スタンド40の制御装置48が実行することになる。また、必ずしも制御装置19によって実行された処理のすべてが制御装置48によって実行される必要はなく、制御装置48は、少なくとも、外部充電の完了後に自車両11が走行を開始した場合に一部の区間でSOCが目標SOCを所定量以上上回ると予測されるときに、目標SOCを変更する処理を実行すればよい。また、サーバ30の通信装置31との通信は、通信装置44が行なうこととなる。すなわち、上記実施の形態においては、「充電制御装置」が車両10に搭載されたが、「充電制御装置」は充電スタンド40に搭載されてもよい。
Claims (3)
- 電動車両の充電制御装置であって、
前記電動車両は、駆動輪に連結された回転電機と、前記回転電機に電気的に接続された蓄電装置とを備え、
前記充電制御装置は、
複数の車両の各々の走行実績を示す実績データを集約するサーバからデータを受信するように構成された通信装置と、
前記電動車両の外部の電源から供給される電力による前記蓄電装置の充電である外部充電のための処理を実行するように構成された制御装置とを備え、
前記外部充電は、前記蓄電装置のSOC(State Of Charge)の目標値に従って実行され、
前記制御装置は、前記サーバに集約されている前記実績データに従って、前記外部充電の完了後に前記電動車両が走行を開始した場合に一部の区間で前記SOCが前記目標値を所定量以上上回ると予測されるときは、前記目標値を第1の目標値から第2の目標値に低下させる、充電制御装置。 - 前記制御装置は、前記サーバに集約されている前記実績データに従って、前記第2の目標値に従った前記外部充電の完了後に前記電動車両が走行を開始した場合に一部の区間で前記SOCが下限値に達し電力が不足すると予測されるときは、当該不足する電力の大きさに従って前記目標値を前記第2の目標値から増加させる、請求項1に記載の充電制御装置。
- 前記制御装置は、前記サーバに集約されている前記実績データに従って、前記第2の目標値に従った前記外部充電の完了後に前記電動車両が走行を開始した場合に複数の区間で前記SOCが前記下限値に達し電力が不足すると予測されるときは、当該不足する電力が最も大きい区間において不足する電力の大きさに従って前記目標値を前記第2の目標値から増加させる、請求項2に記載の充電制御装置。
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CN201711403849.3A CN108237936B (zh) | 2016-12-26 | 2017-12-22 | 用于车辆的充电控制设备和用于车辆的充电控制方法 |
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