VEHICLE DRIVE DEVICE
A control device (10) that controls an internal combustion engine (EG), a first rotary electric machine (MG1), a first engagement device (CL1), and a second engagement device (CL2) can perform first transition control when transition is performed from a first mode to a second mode. The first transit...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A control device (10) that controls an internal combustion engine (EG), a first rotary electric machine (MG1), a first engagement device (CL1), and a second engagement device (CL2) can perform first transition control when transition is performed from a first mode to a second mode. The first transition control includes first control, second control, and third control. The first control is control in which the second engagement device (CL2) that connects and disconnects power transmission between two rotary elements selected from among three rotary elements (E1 to E3) of a distribution differential gear mechanism (SP) is changed from an engaged state to a disengaged state while a third engagement device (CL3) of a transmission mechanism (T) is maintained in an engaged state. The second control is control in which, after the first control, a rotational speed of a rotor (RT1) is controlled to cause a rotational speed (N1) of the first rotary element (E1) to approach a target rotational speed (Nt). The third control is control in which, after the second control, the first engagement device (CL1) that connects and disconnects power transmission between an input member (I) and the first rotary element (E1) is changed from a disengaged state to an engaged state and the internal combustion engine (EG) is started by using drive power transmitted from the first rotary electric machine (MG1) to the internal combustion engine (EG) via the first engagement device (CL1). |
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