JP2012157189A - 車両および車両の制御方法 - Google Patents
車両および車両の制御方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 35
- 230000007812 deficiency Effects 0.000 claims abstract description 5
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- 101001099569 Aspergillus oryzae (strain ATCC 42149 / RIB 40) Pectin lyase 1 Proteins 0.000 description 1
- 101000606895 Aspergillus oryzae (strain ATCC 42149 / RIB 40) Pectin lyase 2 Proteins 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 229910001416 lithium ion Inorganic materials 0.000 description 1
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- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
【解決手段】車両100は、充電が可能な蓄電装置110と、外部電源500からの電力を用いて蓄電装置110を充電するための充電装置200と、ECU300とを備える。ECU300は、蓄電装置110に供給することができる最大供給電力および蓄電装置110に実際に供給された充電電力に基づいて、最大供給電力で充電を行なった場合の充電電力に対する不足量によって生じる充電時間の遅延量を演算するとともに、遅延が生じた遅延要因に関する情報を記憶する。
【選択図】図1
Description
図1は、本実施の形態に従う車両100を含む充電システム10の全体ブロック図である。
実施の形態1においては、蓄電装置110において許容される充電電力が通常の場合よりもさらに制限されることに起因して、充電時間に遅延が生じる場合について説明する。
そして、ECU300は、この遅延時間ΔTを積算し、積算値が所定のしきい値α(たとえば、1時間)に到達したことに応答して、充電電力上限値Winの低下に起因して遅延時間が発生したことをログとして記憶する。
図1に示した充電装置においては、外部電源からの電力(たとえば交流電力)を蓄電装置が充電可能な直流電力に変換する電力変換動作によって発熱が生じ得る。この発熱が過度になると、充電装置内の制御部の故障の原因となったり、電力経路(たとえば、スイッチング素子、端子部、電力線など)の劣化や絶縁が悪くなったりする可能性がある。そのため、一般的に、充電装置には、充電装置各部の過熱保護のために、出力電力を低減する機能が備えられている場合がある。
外部充電が行なわれる際に、たとえば、ユーザが車両に搭載されたオーディオやエアコンなどの補機装置を使用する場合がある。外部充電中においては、補機装置は、一般的に、外部電源から充電装置を介して供給された電力の一部を用いて動作する。
そして、算出された遅延時間ΔTの積算値ΣΔTが所定のしきい値を上回ったことに応答して、充電遅延情報が記憶される。
実施の形態1〜3においては、それぞれ蓄電装置の充電電力上限値の低下に起因する充電遅延、充電装置の出力電力制限に起因する充電遅延、および、補機による電力消費に起因する充電遅延が個別に生じる場合についての充電遅延情報の記憶について説明した。
ECU300は、S250にて、S240で積算された積算値ΣΔTが、予め定められたしきい値αより大きいか否かを判定する。
Claims (10)
- 外部電源からの電力を用いて充電が可能な車両であって、
充電が可能な蓄電装置と、
前記外部電源からの電力を用いて前記蓄電装置を充電するための充電装置と、
前記蓄電装置に供給することができる最大供給電力および前記蓄電装置に実際に供給された充電電力に基づいて、前記最大供給電力で充電を行なった場合の充電電力に対する不足量を演算するとともに、前記不足量が生じた要因に関連する情報を記憶するための制御装置とを備える、車両。 - 前記制御装置は、所定のサンプリング期間ごとに演算された前記不足量に基づいた値を時間軸方向に積算した積算値が、予め定められたしきい値を上回る場合に前記情報を記憶する、請求項1に記載の車両。
- 前記不足量が生じた要因は、前記蓄電装置の充電電力上限値の低下に起因して前記充電電力が不足したことを含む、請求項2に記載の車両。
- 前記不足量が生じた要因は、前記充電装置の出力電力が制限されたことに起因して前記充電電力が不足したことを含む、請求項2に記載の車両。
- 前記不足量が生じた要因は、前記充電装置の過熱保護のために前記充電装置の出力電力が制限されたことに起因して前記充電電力が不足したことを含む、請求項4に記載の車両。
- 前記車両は、
充電動作中に、前記充電装置からの出力電力を用いて駆動することができる補機装置をさらに備え、
前記不足量が生じた要因は、前記充電動作中に前記補機装置が使用された場合の、前記補機装置による電力消費に起因して前記充電電力が不足したことを含む、請求項2に記載の車両。 - 前記車両は、
充電動作中に、前記充電装置からの出力電力を用いて駆動することができる補機装置をさらに備え、
前記不足量が生じた要因は、前記蓄電装置の充電電力制限値の低下に起因して前記充電電力が不足した第1の要因と、前記充電装置の保護のために前記充電装置の出力電力が制限されたことに起因して前記充電電力が不足した第2の要因と、前記充電動作中に前記補機装置が使用された場合の、前記補機装置による電力消費に起因して前記充電電力が不足した第3の要因の少なくとも1つを含み、
前記制御装置は、所定のサンプリング期間ごとに演算された前記第1〜第3の要因の各々による不足量に基づいた値の合計値を時間軸方向に積算した積算値が、予め定められたしきい値を上回る場合に、各前記要因についての前記情報を記憶する、請求項1に記載の車両。 - 前記制御装置は、前記不足量に基づいた値として、前記最大供給電力で充電を行なった場合に生じる充電時間からの充電時間の遅延量を演算し、前記遅延量が前記しきい値を上回る場合に、前記情報を遅延要因についての情報として記憶する、請求項2〜7のいずれか1項に記載の車両。
- 前記遅延要因についての情報は、前記不足量が生じた要因および前記不足量によって生じる遅延量の情報を含む、請求項8に記載の車両。
- 外部電源からの電力を用いて、搭載された蓄電装置の充電が可能な車両の制御方法であって、
前記蓄電装置に供給することができる最大供給電力および前記蓄電装置に実際に供給された充電電力に基づいて、前記最大供給電力で充電を行なった場合の充電電力に対する不足量を演算するステップと、
前記不足量が生じた要因に関連する情報を記憶するステップとを備える、車両の制御方法。
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