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Patent Searching and Data


Title:
DRIVE CONTROL DEVICE FOR INDEPENDENT WHEEL DRIVE-TYPE VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/159595
Kind Code:
A1
Abstract:
Provided is a drive control device for an independent wheel drive-type vehicle with which it is possible to inspect all phases prior to vehicle travel for an abnormality in an electric current sensor without addition of a circuit for inspection to the electric current sensor or addition of an electric current source, etc., exclusively for inspection. This drive control device is provided with: a plurality of power circuit units (28) for allowing an electric current to flow to each of a plurality of motors (6); motor drive controllers (30); an inspection reverse torque command unit (36) for causing, when the vehicle is stationary, the motor drive controllers (30) to output a command causing left and right or front and rear motors (6) to generate torques between which the direction of wheel rotation is the opposite; and an abnormality detector (34) for detecting an abnormality in electric current sensors (38) when the electric currents for generating torques in opposite directions are flowing to the motors (6).

Inventors:
KANDA, Takeshi (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
Application Number:
JP2017/009923
Publication Date:
September 21, 2017
Filing Date:
March 13, 2017
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
B60L3/00; B60L9/18; H02P5/46
Foreign References:
JP2006094574A2006-04-06
JPH07177602A1995-07-14
JPH10248105A1998-09-14
JP2013510555A2013-03-21
JPH09172791A1997-06-30
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (Higobashi Nittai Bldg, 10-2 Edobori 1-chome, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
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