Title:
BRAKE DEVICE FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/029316
Kind Code:
A1
Abstract:
A torque command calculation unit (40) has a position controller (46) that calculates a torque command value such that an actual position (θ, X) detected by position sensors (72, 73) approaches a position command value (θ*, X*). The torque command calculation unit (40) changes the torque command value in first to fourth steps in sequence when actual braking force is increased and maintained at a required braking force. In the first step, an increasing operation is performed. In the second step, an excess operation is performed in which the torque of a motor (60) is increased until the actual braking force reaches a target excess braking force. In the third step, a maintaining operation is performed in which the torque of the motor (60) is reduced while the braking force at the end of the excess operation is maintained. In the fourth step, a return operation is performed in which the torque of the motor (60) is reduced along a reverse efficiency line until the actual braking force reaches the required braking force. The torque command calculation unit (40) executes position control via the position controller (46) in at least the second step.
Inventors:
SHIBATA YUSUKE (JP)
Application Number:
PCT/JP2023/026039
Publication Date:
February 08, 2024
Filing Date:
July 14, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
B60T13/74; B60T8/00; H02P29/20
Foreign References:
| JP6080682B2 | 2017-02-15 | |||
| JP2000213575A | 2000-08-02 | |||
| JP2008057643A | 2008-03-13 | |||
| JP2014177205A | 2014-09-25 | |||
| CN115431938A | 2022-12-06 |
Attorney, Agent or Firm:
HATTORI & PARTNERS (JP)
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