JP4438574B2 - 車両用駆動装置の制御装置 - Google Patents
車両用駆動装置の制御装置 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H—GEARING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
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- General Engineering & Computer Science (AREA)
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Description
10、70:変速機構(駆動装置)
11:無段変速部
16:動力分配機構(差動機構)
18:伝達部材
20、72:自動変速部
38:駆動輪
80:目標出力算出手段
81:目標エンジン出力算出手段
82:車両出力制御手段
M1:第1電動機
M2:第2電動機
Claims (22)
- エンジンの出力を第1電動機および伝達部材へ分配する差動機構と該伝達部材から駆動輪への動力伝達経路に設けられた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、前記動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように車両の目標出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - エンジンの出力を第1電動機および伝達部材へ分配する差動機構と該伝達部材から駆動輪への動力伝達経路に設けられた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、前記動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように該目標エンジン出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - エンジンの出力を第1電動機および伝達部材へ分配する差動機構と該伝達部材から駆動輪への動力伝達経路に設けられた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、前記動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように運転者の出力要求量と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - 予め記憶された関係から運転者の出力要求量に基づいて車両の目標出力を算出する目標出力算出手段と、該目標出力に基づいて前記目標エンジン出力を算出する目標エンジン出力算出手段とを含み、
前記車両出力制御手段は、前記エンジンの運転点が該目標エンジン出力となるように且つ予め記憶された最適燃費率曲線に近づくように該目標エンジン出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とを決定するものである請求項1乃至3のいずれか1の車両用駆動装置の制御装置。 - 前記車両出力制御手段により決定された前記無段変速部の変速比と前記自動変速部の変速比とに基づいて、該無段変速部の変速制御と該自動変速部の変速制御とが略同時に実行されるものである請求項1乃至4のいずれか1の車両用駆動装置の制御装置。
- 前記車両出力制御手段により決定された無段変速部の変速比は、第1電動機および第2電動機のうちの少なくとも一方の電動機を用いて変化させられるものである請求項1乃至5のいずれか1の車両用駆動装置の制御装置。
- 前記無段変速部の差動状態において前記自動変速部の変速比を切り換えるとともに前記第1電動機の反力を制御することにより総合変速比を無段階に制御する無段変速制御手段と、
前記無段変速部のロック状態において前記自動変速部の変速比を切り換えることにより総合変速比を段階的に制御する有段変速制御手段と、
前記第1電動機の反力が所定値よりも大きい状態となると前記有段変速制御手段による有段変速を選択して前記差動機構をロック状態とする切換制御手段と
を、含むことを特徴とする請求項1乃至6のいずれか1の車両用駆動装置の制御装置。 - 前記差動機構は、車速が予め設定された車速判定値を超える高車速領域においてロック状態とされることを特徴とする請求項1乃至6のいずれか1の車両用駆動装置の制御装置。
- 前記差動機構は、エンジン出力が予め設定された出力判定値を超える高エンジン出力領域においてロック状態とされることを特徴とする請求項1乃至6のいずれか1の車両用駆動装置の制御装置。
- 前記差動機構がロック状態とされると、前記無段変速部は変速比固定の定変速状態とされることを特徴とする請求項7乃至9のいずれか1の車両用駆動装置の制御装置。
- 前記自動変速部は、前記差動機構のロック状態および非ロック状態のいずれにおいても、有段変速させられることを特徴とする請求項7乃至10のいずれか1の車両用駆動装置の制御装置。
- エンジンの出力を第1電動機および伝達部材へ分配する差動機構と駆動輪に動力伝達可能とされた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、該伝達部材から駆動輪への動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように車両の目標出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - エンジンの出力を第1電動機および伝達部材へ分配する差動機構と駆動輪に動力伝達可能とされた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、該伝達部材から駆動輪への動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように該目標エンジン出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - エンジンの出力を第1電動機および伝達部材へ分配する差動機構と駆動輪に動力伝達可能とされた第2電動機とを有して電気的な無段変速機として作動可能な無段変速部と、該伝達部材から駆動輪への動力伝達経路の一部を構成し自動変速機として機能する自動変速部とを備えた車両用駆動装置の制御装置であって、
前記エンジンの運転点が目標エンジン出力となるように運転者の出力要求量と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とからなる総合変速比を決定すると共に、該総合変速比が得られるように前記無段変速部の変速比と前記自動変速部の変速比とを決定する車両出力制御手段を含むことを特徴とする車両用駆動装置の制御装置。 - 予め記憶された関係から運転者の出力要求量に基づいて車両の目標出力を算出する目標出力算出手段と、該目標出力に基づいて前記目標エンジン出力を算出する目標エンジン出力算出手段とを含み、
前記車両出力制御手段は、前記エンジンの運転点が該目標エンジン出力となるように且つ予め記憶された最適燃費率曲線に近づくように該目標エンジン出力と車速とに基づいて前記無段変速部の変速比と前記自動変速部の変速比とを決定するものである請求項12乃至14のいずれか1の車両用駆動装置の制御装置。 - 前記車両出力制御手段により決定された前記無段変速部の変速比と前記自動変速部の変速比とに基づいて、該無段変速部の変速制御と該自動変速部の変速制御とが略同時に実行されるものである請求項12乃至15のいずれか1の車両用駆動装置の制御装置。
- 前記車両出力制御手段により決定された無段変速部の変速比は、第1電動機および第2電動機のうちの少なくとも一方の電動機を用いて変化させられるものである請求項12乃至16のいずれか1の車両用駆動装置の制御装置。
- 前記無段変速部の差動状態において前記自動変速部の変速比を切り換えるとともに前記第1電動機の反力を制御することにより総合変速比を無段階に制御する無段変速制御手段と、
前記無段変速部のロック状態において前記自動変速部の変速比を切り換えることにより総合変速比を段階的に制御する有段変速制御手段と、
前記第1電動機の反力が所定値よりも大きい状態となると前記有段変速制御手段による有段変速を選択して前記差動機構をロック状態とする切換制御手段と
を、含むことを特徴とする請求項12乃至17のいずれか1の車両用駆動装置の制御装置。 - 前記差動機構は、車速が予め設定された車速判定値を超える高車速領域においてロック状態とされることを特徴とする請求項12乃至17のいずれか1の車両用駆動装置の制御装置。
- 前記差動機構は、エンジン出力が予め設定された出力判定値を超える高エンジン出力領域においてロック状態とされることを特徴とする請求項12乃至17のいずれか1の車両用駆動装置の制御装置。
- 前記差動機構がロック状態とされると、前記無段変速部は変速比固定の定変速状態とされることを特徴とする請求項18乃至20のいずれか1の車両用駆動装置の制御装置。
- 前記自動変速部は、前記差動機構のロック状態および非ロック状態のいずれにおいても、有段変速させられることを特徴とする請求項18乃至21のいずれか1の車両用駆動装置の制御装置。
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JP4962000B2 (ja) * | 2006-12-25 | 2012-06-27 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP5092540B2 (ja) * | 2007-05-24 | 2012-12-05 | トヨタ自動車株式会社 | 車両用動力伝達装置の制御装置 |
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