Title:
電動車駆動システム
Document Type and Number:
Japanese Patent JP5830449
Kind Code:
B2
Abstract:
In order to provide an electric vehicle drive system capable of promoting improvement in stability of vehicle traveling when stopping a regeneration operation during operation of a regeneration cooperative brake, the electric vehicle drive system, a battery control unit 310, upon detecting that a battery state is an unchargeable state during control of the regeneration cooperative brake, diagnoses whether a battery 300 is chargeable, and upon deciding to be unchargeable from a result of diagnosis, outputs a Fail signal. Then, a rotating electrical machine control unit 210, upon receiving a Fail prediction signal while the regeneration cooperative brake is being controlled, executes loss increase control for increasing an internal loss of a rotating electrical machine 900 and reducing regenerative electric power by a regenerative brake while maintaining torque of the rotating electrical machine 900 at regenerative torque corresponding to regenerative brake force.
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Inventors:
Kazuto Oyama
Hideki Miyazaki
Katsuhiro Hoshino
Hideki Miyazaki
Katsuhiro Hoshino
Application Number:
JP2012190345A
Publication Date:
December 09, 2015
Filing Date:
August 30, 2012
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
B60L7/14; B60L3/00; B60L7/24; H02P27/06
Domestic Patent References:
| JP2005329740A | ||||
| JP2003134602A | ||||
| JP2000152409A | ||||
| JP2012060871A | ||||
| JP2011097666A | ||||
| JP11215610A |
Attorney, Agent or Firm:
Fuyuki Nagai
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