JP2006327435A - 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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- JP2006327435A JP2006327435A JP2005154749A JP2005154749A JP2006327435A JP 2006327435 A JP2006327435 A JP 2006327435A JP 2005154749 A JP2005154749 A JP 2005154749A JP 2005154749 A JP2005154749 A JP 2005154749A JP 2006327435 A JP2006327435 A JP 2006327435A
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Structure Of Transmissions (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
【解決手段】 切換クラッチC0或いは切換ブレーキB0を備えることで、変速機構10が無段変速状態と非無段変速状態とに切り換えられて、電気的に変速比が変更させられる変速機の燃費改善効果と機械的に動力を伝達する歯車式伝動装置の高い伝達効率との両長所を兼ね備えた駆動装置が得られる。また、ハイブリッド制御手段52により無段変速状態と非無段変速状態とで自動変速部20のパワーオンダウンシフト中の第2電動機M2による駆動力アシストの方法が変更されるので、無段変速状態に比較してトルク増加の応答性が低下する非無段変速状態のときにも車両の加速性能が向上して加速フィーリングが向上する。
【選択図】 図5
Description
10、70:変速機構(駆動装置)
11:差動部(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(有段変速部)
38:駆動輪
40:電子制御装置(制御装置)
52:ハイブリッド制御手段(電動機制御手段)
M1:第1電動機
M2:第2電動機
C0:切換クラッチ(差動制限装置)
B0:切換ブレーキ(差動制限装置)
Claims (5)
- 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する有段変速部とを備えた車両用駆動装置の制御装置であって、
前記差動機構に備えられて、該差動機構の差動作用を制限することにより前記無段変速部の電気的な無段変速機としての作動を制限する差動制限装置と、
前記有段変速部の変速中において、車両の駆動力を付与する駆動力アシストを実施するとき、前記無段変速部が電気的な無段変速作動可能な無段変速状態とされているときと、該無段変速部が電気的な無段変速作動しない非無段変速状態とされているときとで、該駆動力アシストの方法を変更する電動機制御手段と
を、含むことを特徴とする車両用駆動装置の制御装置。 - 前記電動機制御手段は、前記無段変速部が非無段変速状態とされているときには無段変速状態とされているときに比較して、前記駆動力アシストの量を増加させるものである請求項1の車両用駆動装置の制御装置。
- 前記電動機制御手段は、前記無段変速部が非無段変速状態とされているときには無段変速状態とされているときに比較して、前記駆動力アシストを早期に開始させるものである請求項1または請求項2の車両用駆動装置の制御装置。
- 前記有段変速部の出力軸には電動機が作動的に連結されており、
前記駆動力アシストは、該有段変速部の出力軸に作動敵に連結された電動機によって行われるものである請求項1乃至3のいずれかの車両用駆動装置の制御装置。 - 前記有段変速部の出力軸に作動的に連結された電動機は、前記第2電動機である請求項4の車両用駆動装置の制御装置。
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