PROBLEM TO BE SOLVED: To provide a power transmission control unit applied to a hybrid electric vehicle with an AMT, capable of ensuring sooth shift operation in a case of performing shift operation while executing motor torque assist and executing synchronization of the revolving speed of a transmission input shaft using an internal combustion engine torque.SOLUTION: At a time of a shift request to a non-synchronized gear position, an idling gear and a sleeve engaged before shift is disengaged to realize a neutral gear position and torque assist by a MG torque Tm is executed by OUT-connection (t1 to t3). In a clutch engaged state, an EG torque Te is feedback-controlled so that a revolving speed Ni of a transmission input shaft matches "synchronized revolving speed" (t3 to t4). After completion of Ni synchronization (after t4), the sleeve engaged with the idling gear after shift is driven to be engaged with the idling gear. At this time, the EG torque Te and a drive current of the sleeve are forcibly changed over a predetermined period.

    【課題】AMT付ハイブリッド車両に適用される動力達制御装置であって、電動機トルクのアシストが実行され、且つ、内燃機関トルクを利用して変速機入力軸の回転速度の同期が実行されながら変速作動がなされる場合において、変速作動をスムーズに行うこと。【解決手段】ノンシンクロ段への変速要求時、変速前に噛み合っていた遊転ギヤとスリーブとの係合を解除してニュートラル段が実現されるとともに、OUT接続にてMGトルクTmによるトルクアシストが実行される(t1〜t3)。クラッチの接合状態で、変速機入力軸の回転速度Niが「同期回転速度」に一致するようにEGトルクTeがフィードバック制御される(t3〜t4)。Niの同期完了後(t4以降)、変速後の遊転ギヤと噛合うスリーブが同遊転ギヤと噛合う方向に駆動される。その際、EGトルクTe、及び、そのスリーブの駆動電流iが、所定期間に亘って強制的に変動させられる。【選択図】図7


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    Title :

    VEHICLE POWER TRANSMISSION CONTROL UNIT


    Additional title:

    車両の動力伝達制御装置


    Contributors:

    Publication date :

    2015-12-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F16H Getriebe , GEARING



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