Power output apparatus and method of controlling the same

Details Power output apparatus and method of controlling the same Power output apparatus and method of controlling the same

1997-06-18

1999-05-25

Enad, Elvin G.

Prime-mover dynamo plants

Electric control

Traction

290 17, 290 18, 290 19, 290 51, 290 16, 290 40R, 290 40A, 290 40B, B60L 1112, B61C 938

Patent

active

059071915

ABSTRACT:
A power output apparatus 110 includes a planetary gear 120 having a planetary carrier, a sun gear, and a ring gear, an engine 150 having a crankshaft 156 linked with the planetary carrier, a first motor MG1 attached to the sun gear, and a second motor MG2 attached to the ring gear. When the driver steps on an accelerator pedal 164 to change the driving point of the engine 150, the power output apparatus 110 calculates an angular acceleration of the sun gear, calculates a torque used for changing the driving point of the engine 150 by multiplying the angular acceleration by a moment of inertia seen from the first motor MG1 of an inertial system consisting of the first motor MG1 and the engine 150, and drives the second motor MG2 by taking into account the torque. This structure enables a desired torque to be output even in a transient time.

REFERENCES:
patent: 4951769 (1990-08-01), Kawamura
patent: 5142903 (1992-09-01), Mizushima et al.
patent: 5258651 (1993-11-01), Sherman
patent: 5558588 (1996-09-01), Schmidt
patent: 5558589 (1996-09-01), Schmidt
patent: 5558595 (1996-09-01), Schmidt et al.
patent: 5562566 (1996-10-01), Yang
patent: 5643119 (1997-07-01), Yamaguchi et al.
patent: 5735770 (1998-04-01), Omote et al.

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