PROBLEM TO BE SOLVED: To provide a gear change control device which can suppress a gear change shock even if a vehicle is switched to a drive state during a down-gear change of a stepped gear change part in a driven state of the vehicle.SOLUTION: By switching gear change control within a prescribed time tα from a start of a down-gear change and after the prescribed time tα, both the responsiveness of a gear change and a gear change shock can be made compatible. For example, when a vehicle is switched to a drive state from a driven state after the prescribed time tα from a start of the down-gear change, gear change control by a second gear change control part is performed, a driven hydraulic control form is maintained, and input shaft torque Ti is limited to a prescribed value Tα or smaller. As above, by progressing the down-gear change while maintaining the driven hydraulic control form, the deterioration of the responsiveness can be suppressed.SELECTED DRAWING: Figure 7

    【課題】車両の被駆動状態での有段変速部のダウン変速中に、駆動状態に切り替わった場合であっても変速ショックを抑制できる変速制御装置を提供する。【解決手段】ダウン変速の開始から所定時間tα内と所定時間tα後とで変速制御を切り替えることで、変速の応答性と変速ショックとを両立させることができる。例えば、ダウン変速の開始から所定時間tα後に被駆動状態から駆動状態に切り替えられた場合、第2変速制御部による変速制御が実施され、被駆動用の油圧制御態様が維持されるとともに入力軸トルクTiが所定値Tα以下に制限される。このように、被駆動用の油圧制御態様を維持してダウン変速を進行させることで、応答性の悪化を抑制することができる。【選択図】図7


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    Title :

    GEAR CHANGE CONTROL DEVICE OF VEHICLE


    Additional title:

    車両の変速制御装置


    Contributors:

    Publication date :

    2018-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / 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



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