Title:
CONTROL DEVICE FOR ELECTRIC BOOSTER
Document Type and Number:
Japanese Patent JP2021091249
Kind Code:
A
Abstract:
To provide a control device for an electric booster which can suppress generation of sound and vibration due to a negative pressure of a piston chamber during pressure holding control.SOLUTION: A control device (100) of an electric booster (10) includes a motor control part (110) for controlling a rotation speed of an electric motor (21), in which the motor control part (110) restricts the rotation speed of the electric motor (21) when it is estimated that a brake pedal (11) is returned and a master cylinder pressure becomes a negative pressure during establishment of an execution condition of pressure holding control of holding a wheel cylinder pressure by closing a liquid passage between a master cylinder (14) and a brake liquid pressure unit (20).SELECTED DRAWING: Figure 7
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Inventors:
SASAKI JUNICHI
YAMAMITSU RYUICHI
YAMAMITSU RYUICHI
Application Number:
JP2019221397A
Publication Date:
June 17, 2021
Filing Date:
December 06, 2019
Export Citation:
Assignee:
BOSCH GMBH ROBERT
International Classes:
B60T13/74; B60T8/44
Attorney, Agent or Firm:
Oba Reiji
Hajime Takahashi
Go Yashima
Hajime Takahashi
Go Yashima