JP2007002899A - 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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- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Transmission Device (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
【解決手段】 自動変速部20の変速中には、自動変速部20への伝達トルクを所定値以下に制限する為に、入力クラッチ制御手段82により入力クラッチ(第1クラッチC1)のトルク容量が低下させられるので、その入力クラッチが伝えられ得るトルクを超えてエンジントルクTEが変化しても、この超えた分のエンジントルクTEは自動変速部20内へ伝達されず、エンジントルクTEの変動による自動変速部20の変速への影響が低減される。よって、自動変速部20の変速中の変速ショックが抑制される。
【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)
82:入力クラッチ制御手段
M1:第1電動機
M2:第2電動機
C1:第1クラッチ(入力クラッチ)
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 (8)
- エンジンからの出力を駆動輪へ伝達すると共に、有段式変速機として機能する有段変速部を備えた車両用駆動装置の制御装置であって、
前記エンジンから前記有段変速部内への動力の入力を断接可能な入力クラッチと、
前記有段変速部の変速中には、該有段変速部への伝達トルクを所定値以下に制限するために、前記入力クラッチのトルク容量を低下させる入力クラッチ制御手段と
を、含むことを特徴とする車両用駆動装置の制御装置。 - エンジンからの出力を駆動輪へ伝達すると共に、有段式変速機として機能する有段変速部を備えた車両用駆動装置の制御装置であって、
前記エンジンから前記有段変速部内への動力の入力を断接可能な入力クラッチと、
前記有段変速部の変速中には、前記入力クラッチをスリップ制御させる入力クラッチ制御手段と
を、含むことを特徴とする車両用駆動装置の制御装置。 - エンジンからの出力を駆動輪へ伝達すると共に、有段式変速機として機能する有段変速部を備えた車両用駆動装置の制御装置であって、
前記エンジンから前記有段変速部内への動力の入力を断接可能な入力クラッチと、
前記有段変速部の変速中には、前記入力クラッチをトルク制限装置として作動させる入力クラッチ制御手段と
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前記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
を、更に含み、
前記有段変速部は、前記伝達部材から前記駆動輪への動力伝達経路に設けられているものである請求項1乃至3のいずれかのの車両用駆動装置の制御装置。 - 前記入力クラッチ制御手段は、前記差動制限装置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が制限されているか否かに基づいて、前記入力クラッチのトルク容量の低下量を変更するものである請求項4の車両用駆動装置の制御装置。
- 前記入力クラッチ制御手段は、前記無段変速部が電気的な無段変速機として作動可能な無段変速状態とされているときに該無段変速部と前記有段変速部とで形成される総合変速比が該有段変速部の変速前後で連続的に変化させられるか或いは非連続的に変化させられるかに基づいて、前記入力クラッチのトルク容量の低下量を変更するものである請求項4または5の車両用駆動装置の制御装置。
- 前記入力クラッチ制御手段は、前記エンジンのトルク変動に応じて前記入力クラッチのトルク容量の低下量を変更するものである請求項1乃至6のいずれかの車両用駆動装置の制御装置。
- 前記入力クラッチは、前記有段変速部の変速に関与しないものである請求項1乃至7のいずれかの車両用駆動装置の制御装置。
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