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Brake control apparatus

一种制动控制、制动器的技术，应用在制动控制系统、制动作用启动装置、制动器等方向，能够解决电制动器消耗能量等问题

Active Publication Date: 2008-02-13
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, electric brakes also have the problem of unnecessarily consuming a certain amount of energy

Method used

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  • Brake control apparatus
  • Brake control apparatus
  • Brake control apparatus

Examples

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Embodiment Construction

[0046] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0047] FIG. 1 shows a hydraulic brake system including a brake control device, to which the present invention can be applied. This hydraulic braking system includes: a brake pedal 2, as a brake operating part; a master cylinder 4, which generates hydraulic pressure according to the operation or depression of the brake pedal 2; four hydraulic brakes 14, 16, 18, 20, which Set respectively for four wheels 6, 8, 10, 12 of the motor vehicle (ie, left front wheel 6, right front wheel 8, left rear wheel 10 and right rear wheel 12), and include corresponding wheel cylinders 22, 24, 26 , 28 ; brake actuator 30 , controlling the respective wheel cylinder pressures as respective hydraulic pressures in the respective wheel cylinders 22 , 24 , 26 , 28 . The hydraulic brake system selectively performs braking operations in (A) manual mode and (B) electronic control m...

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PUM

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Abstract

A brake control apparatus for controlling brakes of a vehicle having wheels, the apparatus including a stopped-state detecting portion which detects, based on a speed of at least one of the wheels detected by at least one wheel-speed sensor, a stopped state of the vehicle; an operation-force limiting portion which limits, based on a detection of the stopped state of the vehicle by the stopped-state detecting portion, an operation force of at least one of the brakes, such that an upper limit of the operation force is an intermediate level of an operation-force range used when the stopped state is not detected; a sensor ignoring portion which ignores, when an electric voltage supplied from a power source to the at least one wheel-speed sensor is not higher than a reference value, the at least one wheel-speed sensor; a limitation canceling portion which cancels, when the sensor ignoring portion ignores the at least one wheel-speed sensor, a limitation of the operation force by the operation-force limiting portion; and a rapid-change restraining portion which restrains a rapid change of the operation force caused by a cancellation of the limitation of the operation force by the limitation canceling portion.

Description

[0001] Cross References to Related Applications [0002] This application is based on Japanese Patent Application No. 2006-218521 filed on August 10, 2006. The entire content of this application is hereby incorporated by reference in its entirety. technical field [0003] The invention relates to a brake control device, in particular to the field of controlling the brake operating force of a vehicle in a stopped state. Background technique [0004] For example, Japanese Patent Application Laid-Open No. 2002-154415 or Japanese Patent No. 2,749,383 discloses a brake control device in which when the vehicle is in its stopped state, the upper limit of the brake operating force is made lower than when the vehicle is running (i.e. in its driving state) the upper limit of the operating force. In this disclosed actuation control device, the hydraulic brakes are operated while hydraulic pressure is supplied to their wheel cylinders, and the hydraulic brakes are controlled so that i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/173
CPCB60T2270/402B60T13/686B60T8/885B60T2270/413B60T2270/416B60T7/042B60T8/4081B60T13/745
Inventor 山本贵之驹泽雅明花木康
Owner TOYOTA JIDOSHA KK
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