Title:
MOTOR DRIVE DEVICE FOR ELECTRIC AUTOMOBILE
Document Type and Number:
WIPO Patent Application WO/2016/084771
Kind Code:
A1
Abstract:
A motor drive device (3) for driving a motor (2) as a travel driving source for an electric automobile (1), wherein matching of the motor and a motor drive program during replacement of the motor drive device or replacement of the motor is made unnecessary, and it is thereby possible to avoid unexpected changes in constants, to ensure safety, and to facilitate, or eliminate the need for, changing of program content in accordance with differences between individual motors, which is a hindrance in electric automobile manufacturing. This motor drive device (3) has a storage unit (14) for storing constants used to control the motor (2), an external communication interface (18) connectable to and removable from an external connection device (17), and a constant setting processing unit (19) for setting a prescribed constant as a value specific to the individual motor (2) from the external connection device (17) from among the constants stored in the storage unit (14). The abovementioned constant is an offset amount θo between a sensor reference point P1 and an electrical angle reference point P0 of a rotation angle sensor (4), for example.
Inventors:
NISHIKAWA AKIYOSHI (JP)
Application Number:
PCT/JP2015/082855
Publication Date:
June 02, 2016
Filing Date:
November 24, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60L3/00
Foreign References:
| JP2005198409A | 2005-07-21 | |||
| JPH11178303A | 1999-07-02 | |||
| JP2014230341A | 2014-12-08 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
Download PDF: