Title:
モータ制御装置
Document Type and Number:
Japanese Patent JP6428457
Kind Code:
B2
Abstract:
A motor control apparatus controlling current feeding and a rotational direction of a motor includes: four bridge-circuit switches between a high and low potential lines; two current feeding line switches connected through the motor between a first and second nodes in series to arrange two parasitic diodes facing each other; a pull-up resistor between the high potential line and a third node; a pull-down resistor between the low potential line and a fourth node to interpose the motor between the third and fourth nodes; a protective diode blocking current; and a fault diagnostic device having: a driver turning on or off the switches; and a voltage determinator determining suitability of a first and second voltages and performing initial fault diagnosis for at least one of the switches.
Inventors:
Muramatsu
Application Number:
JP2015080265A
Publication Date:
November 28, 2018
Filing Date:
April 09, 2015
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H02P29/024
Domestic Patent References:
| JP2008049780A | ||||
| JP7264888A |
Attorney, Agent or Firm:
Masaki Hattori