Title:
CONTROLLER APPARATUS FOR ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2011/118466
Kind Code:
A1
Abstract:
Disclosed is a controller apparatus for electric vehicles, wherein redundancy is given to the controller, enabling motor control to be conducted appropriately even when abnormality such as malfunctioning of the controller occurs, and enabling reliability thereof to be improved. The controller apparatus for electric vehicles is provided with a plurality of controllers (53) each of which comprises a power circuit unit (55) that outputs drive current for a motor (B), and a control circuit unit (54) that is an electronic circuit that controls the power circuit unit (55) in response to motor drive commands (a) given thereto from an upper-level controlling means. An abnormality evaluating means (56) for evaluating abnormality in the controller (53) being used and generating a switching signal (c) is installed in the controller apparatus. A plurality of switching means (57, 58) for switching the controller to a controller (53) that is in a state capable of functioning for the motor (B), in response to the switching signal (c) is also installed in the controller apparatus. The number of controllers (53) can be made to be just one, in which case a plurality of control circuit units (54) or power circuit units (55) are installed, and switching is conducted thereamong.
Inventors:
OZAKI, Takayoshi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
尾崎孝美 (〒37 静岡県磐田市東貝塚１５７８番地 ＮＴＮ株式会社内 Shizuoka, 〒4380037, JP)
OKADA, Koichi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
尾崎孝美 (〒37 静岡県磐田市東貝塚１５７８番地 ＮＴＮ株式会社内 Shizuoka, 〒4380037, JP)
OKADA, Koichi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
Application Number:
JP2011/056183
Publication Date:
September 29, 2011
Filing Date:
March 16, 2011
Export Citation:
Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
ＮＴＮ株式会社 (〒03 大阪府大阪市西区京町堀１丁目３番１７号 Osaka, 〒5500003, JP)
OZAKI, Takayoshi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
尾崎孝美 (〒37 静岡県磐田市東貝塚１５７８番地 ＮＴＮ株式会社内 Shizuoka, 〒4380037, JP)
ＮＴＮ株式会社 (〒03 大阪府大阪市西区京町堀１丁目３番１７号 Osaka, 〒5500003, JP)
OZAKI, Takayoshi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
尾崎孝美 (〒37 静岡県磐田市東貝塚１５７８番地 ＮＴＮ株式会社内 Shizuoka, 〒4380037, JP)
International Classes:
B60L15/20; H02K7/10; H02P29/00; B60T17/18
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (Higobashi Nittai Bldg, 10-2 Edobori 1-chome,Nishi-ku, Osaka-shi, Osaka 02, 〒5500002, JP)
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Claims:
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