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Title:
BRAKE DEVICE, CONTROL DEVICE FOR VEHICLE, AND ELECTRIC BRAKE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065380
Kind Code:
A1
Abstract:
The present invention provides a brake device capable of braking while stabilizing the behavior of a vehicle even when an abnormality occurs in one control device. This brake device is provided with a hydraulic mechanism, an electric brake mechanism, a first control device, and a second control device. The hydraulic brake mechanism can apply a brake force by using hydraulic pressure to push a brake member against a vehicle wheel belonging to a first group among a plurality of vehicle wheels. The electric brake mechanism can apply a brake force to a motor by pushing a brake member against a vehicle wheel belonging to a second group, different from the first group, among the plurality of vehicle wheels. The first control device can control the hydraulic brake mechanism and the second control device can control the electric brake mechanism. The first control device acquires or receives at least one among vehicle yaw information and vehicle acceleration information without going through the second control device. The second control device acquires or receives vehicle wheel speed information about the plurality of vehicle wheels without going through the first control device.

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Inventors:
GOTO DAISUKE (JP)
NAKAZAWA CHIHARU (JP)
ITO TAKAHIRO (JP)
Application Number:
PCT/JP2018/034545
Publication Date:
April 04, 2019
Filing Date:
September 19, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
B60T8/88; B60T8/171; B60T13/74
Foreign References:
JP2002067909A2002-03-08
JPH03500868A1991-02-28
JP2017061251A2017-03-30
JP2013139208A2013-07-18
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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