PROBLEM TO BE SOLVED: To cause an up-shift to proceed quickly while suppressing variation in drive torque in up-shifting a mechanical transmission mechanism, in a power transmission device including an electric transmission mechanism and the mechanical transmission in series.SOLUTION: Generation power of a first motor MG1 is lowered by given power from a start point of an inertia phase during an up-shift of an automatic transmission, causing an absolute value of MG1 torque to be smaller and facilitating an AT input rotation speed to be decreased. Further, power consumption of a second motor MG2 is controlled on the basis of the generation power so that a balance between charge and discharge power of a battery is not changed, causing MG2 torque to be decreased and facilitating the AT input rotation speed to be lowered toward a post-up-shift synchronous rotation speed. This facilitates an up-shift of the automatic transmission to proceed, eliminating a necessity of further increasing engagement clutch torque T for an up-shift in order to shorten gear change time, thus suppressing variation in drive torque.SELECTED DRAWING: Figure 5

    【課題】電気式変速機構と機械式変速機構とを直列に備えた動力伝達装置において、機械式変速機構のアップシフトに際して、駆動トルクの変動を抑制しつつ速やかにアップシフトを進行させる。【解決手段】自動変速機のアップシフト中にイナーシャ相開始時点から第1電動機MG1の発電電力が所定電力低下させられるので、MG1トルクの絶対値が小さくされてAT入力回転速度が低下し易くされる。又、バッテリの充放電電力収支が変化しないように、発電電力に基づいて第2電動機MG2の消費電力が制御されるので、MG2トルクが小さくされてAT入力回転速度がアップシフト後の同期回転速度に向けて低下し易くされる。これにより、自動変速機のアップシフトが進行し易くなるので、変速時間を短くする為にアップシフトの際に係合クラッチトルクTをより早く上昇させる必要がなく、駆動トルクの変動が抑制される。【選択図】図5


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    Title :

    CONTROL APPARATUS FOR POWER TRANSMISSION DEVICE


    Additional title:

    動力伝達装置の制御装置


    Contributors:

    Publication date :

    2017-06-15


    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 / F16H Getriebe , GEARING / 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



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