Title:
ELECTRIC BRAKE DEVICE AND ELECTRIC BRAKE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/200459
Kind Code:
A1
Abstract:
Provided is a parking brake control device that, when releasing a held braking force, passes a current through an electric motor and changes the driving time of the electric motor in accordance with: the amount of change in current in a predetermined interval after the elapse of a predetermined time since a current value of the electric motor has begun to decrease after increasing and; the current value at the time when the amount of change in current of the electric motor has become less than or equal to a predetermined value.
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Inventors:
KOJIMA DAISUKE (JP)
MATSUZAKI NORIKAZU (JP)
KIKAWA MASAYUKI (JP)
MATSUZAKI NORIKAZU (JP)
KIKAWA MASAYUKI (JP)
Application Number:
PCT/JP2021/012206
Publication Date:
October 07, 2021
Filing Date:
March 24, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02K7/06; B60T8/00; B60T13/74; H02P29/40
Foreign References:
| JP6205821B2 | 2017-10-04 | |||
| JP6017162B2 | 2016-10-26 | |||
| JP5333114B2 | 2013-11-06 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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