JP2017036782A - 動力伝達装置の制御装置 - Google Patents
動力伝達装置の制御装置 Download PDFInfo
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- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
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- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H37/022—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing the toothed gearing having orbital motion
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- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
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- F16H61/66259—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or control means
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Abstract
【解決手段】車両振動が発生する所定の車両状態であるときに、自動変速機24において第1動力伝達経路PT1を形成したまま、第2動力伝達経路PT2を形成する為の第2クラッチC2を半係合することで、弱い循環トルクを発生させて自動変速機24内部や動力伝達経路のガタを詰めることにより、車両振動又は車両振動に伴う異音を低減することができる。この際、第1動力伝達経路PT1に対して低車速側となる第2動力伝達経路PT2の変速比とするか又は高車速側となる第2動力伝達経路PT2の変速比とするかが、走行状態に応じて択一的に設定されるので、走行状態に合わせて、入力軸回転速度Ninを増速する方向又は減速する方向に弱い循環トルクを発生させることができる。よって、車両振動又は異音を低減する際に、ドライバビリティの悪化を抑制することができる。
【選択図】図6
Description
14:駆動輪
16:動力伝達装置
22:入力軸(入力回転部材)
24:自動変速機
B1:第1ブレーキ(第1係合装置)
C1:第1クラッチ(第1係合装置)
C2:第2クラッチ(係合装置、第2係合装置)
26:出力軸(出力回転部材)
50:無段変速機(無段変速機構)
54:ギヤ伝動機構(伝動機構)
76:オルタネータ(補機)
78:エアコン用コンプレッサ(補機)
80:電子制御装置(制御装置)
85:走行状態判定部
86:振動発生判定部
87:他経路状態設定部
88:半係合制御部
102:動力伝達装置
108:自動変速機(有段変速機)
B1,B2,B3:ブレーキ(係合装置)
C1,C2:クラッチ(係合装置)
PT:動力伝達経路
PT1:第1動力伝達経路
PT2:第2動力伝達経路
Claims (5)
- 駆動力源の動力を駆動輪へ伝達する、第1動力伝達経路と第2動力伝達経路とが選択的に形成される自動変速機を備えた動力伝達装置において、車両状態が車両振動が発生する所定の車両状態であるか否かを判定する振動発生判定部と、前記第1動力伝達経路が形成された走行中に前記所定の車両状態であるときには、前記第1動力伝達経路を形成したまま、前記第2動力伝達経路を形成する為の係合装置を半係合する半係合制御部とを含む、動力伝達装置の制御装置であって、
前記第1動力伝達経路が形成された走行中に前記所定の車両状態であるときには、前記第2動力伝達経路の変速比を、前記第1動力伝達経路に対して低車速側となる変速比とするか、又は前記第1動力伝達経路に対して高車速側となる変速比とするかを、走行状態に応じて択一的に設定する他経路状態設定部を更に含むことを特徴とする動力伝達装置の制御装置。 - 駆動状態となる走行状態であるか、又は被駆動状態となる走行状態であるかを判定する走行状態判定部を更に含み、
前記他経路状態設定部は、前記駆動状態となる走行状態である場合には、前記第2動力伝達経路の変速比を前記第1動力伝達経路に対して低車速側となる変速比とする一方で、前記被駆動状態となる走行状態である場合には、前記第2動力伝達経路の変速比を前記第1動力伝達経路に対して高車速側となる変速比とすることを特徴とする請求項1に記載の動力伝達装置の制御装置。 - 前記自動変速機は、前記駆動力源の動力が伝達される入力回転部材と前記駆動輪へ前記動力を出力する出力回転部材との間の動力伝達経路に並列に設けられた、ギヤ段が形成される伝動機構及び無段変速機構と、前記伝動機構を介した前記第1動力伝達経路を形成する為の第1係合装置と、前記無段変速機構を介した前記第2動力伝達経路を形成する為の第2係合装置とを備え、
前記他経路状態設定部は、前記第1動力伝達経路にて形成されている変速比に対して前記無段変速機構の変速比を低車速側又は高車速側とすることで、前記第2動力伝達経路の変速比を前記第1動力伝達経路に対して低車速側又は高車速側となる変速比とすることを特徴とする請求項1又は2に記載の動力伝達装置の制御装置。 - 前記自動変速機は、所定の係合装置が係合されることで複数の変速段が選択的に形成される有段変速機であり、
前記他経路状態設定部は、前記第2動力伝達経路を形成する変速段を現在形成されている変速段に対して低車速側の変速段又は高車速側の変速段とすることで、前記第2動力伝達経路の変速比を前記第1動力伝達経路に対して低車速側又は高車速側となる変速比とすることを特徴とする請求項1又は2に記載の動力伝達装置の制御装置。 - 前記振動発生判定部は、補機負荷に基づいて前記車両状態を変更することを特徴とする請求項1から4の何れか1項に記載の動力伝達装置の制御装置。
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