Title:
VEHICLE
Document Type and Number:
Japanese Patent JP2010057243
Kind Code:
A
Abstract:
To provide a vehicle which attains reductions in noise and cost, and improvement in fuel consumption, with good balance.
The vehicle includes a motor M1 for driving of wheels WH, an inverter 14 for driving the motor M1, and a controller 20 for PWM-controlling the inverter 14. The controller 20 performs synchronous PWM control, when a current supplied to the motor M1 by the inverter 14 or torque generated with a motor is larger than a threshold and performs synchronous PWM control or asynchronous PWM control and sets the carrier frequency or the number of pulses in PWM control, to be higher than when the current or torque is larger than the threshold, in the case where the current or the torque is smaller than the threshold.
Inventors:
TAKAMATSU NAOYOSHI
OKAMURA SAKAKI
OKAMURA SAKAKI
Application Number:
JP2008218166A
Publication Date:
March 11, 2010
Filing Date:
August 27, 2008
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02P27/08; B60L9/18; H02M7/48; H02P21/05; H02P21/22; H02P23/04
Domestic Patent References:
| JP2002153096A | 2002-05-24 | |||
| JP2007282298A | 2007-10-25 | |||
| JPS63257497A | 1988-10-25 | |||
| JP2006000731A | 2006-01-05 | |||
| JP2002010668A | 2002-01-11 |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yutaka Horii
Nobuo Arakawa
Toshio Morita
Yutaka Horii
Nobuo Arakawa
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