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Vehicle braking force generator

A technology for generating device and braking force, which is applied in the direction of braking action starting device, electric device, brake, etc., which can solve the problems of sudden change of braking feeling, discomfort, power reduction, etc., and achieve the effect of improving the stability of behavior

Active Publication Date: 2017-02-15
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, in the braking force control technique disclosed in Patent Document 1, if the diagnostic result of the ABS device is abnormal, the regenerative braking control of the wheel drive motor is immediately prohibited, which may cause regenerative braking to the driver. Uncomfortable braking feeling caused by a sudden change in braking force caused by sudden stop of braking control, and the power obtained by regenerative braking will decrease

Method used

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  • Vehicle braking force generator
  • Vehicle braking force generator
  • Vehicle braking force generator

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Embodiment Construction

[0035] Hereinafter, a vehicle braking force generator according to an embodiment of the present invention will be described in detail with reference to the drawings.

[0036] (An example of application of the vehicle braking force generator 11 according to the embodiment of the present invention to an electric vehicle V)

[0037] First, for an example of application of the vehicle braking force generator 11 according to the embodiment of the present invention to an electric vehicle V, refer tofigure 1 Be explained. figure 1 It is a diagram showing an example in which the vehicle braking force generator 11 according to the embodiment of the present invention is applied to an electric vehicle V. As shown in FIG.

[0038] Prior to the description of the embodiments of the present invention, additional rules for symbols employed for convenience of description will be mentioned. Since the vehicle braking force generator 11 according to the embodiment of the present invention is mo...

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Abstract

The vehicle braking force generating device (11) includes: an electric motor (13), which provides driving force and regenerative braking force to the wheels (17) of the electric vehicle (V); V) The brake hydraulic pressure provided by the calipers (27); the skid information calculation unit (63), which calculates the skid information of the wheels (17); the VSA device (18), which at least performs The friction braking control of the wheel (17) is suppressed; the first diagnosis unit (67) performs the diagnosis of the VSA device (18); and the brake control unit (65) performs at least the electric motor ( 13) Coordinated braking control including at least one of the regenerative braking control and the friction braking control related to the brake fluid pressure generating device (26). During the regenerative braking control process involving the electric motor (13), if the behavior stabilization support device (18) falls into an abnormal state, the brake control unit (65) maintains the state of the regenerative braking control involving the electric motor (13) .

Description

technical field [0001] The present invention relates to a braking force generator for a vehicle that generates braking force for a vehicle. Background technique [0002] For example, in a hybrid vehicle, not only a conventional brake device that generates a braking force through a hydraulic circuit but also a By-Wire type brake device that generates a braking force through an electric circuit is used. In this drive-by-wire brake device, an operation amount of a brake pedal by a driver is converted into an electric signal, and supplied to an electric motor that drives a piston of a slave cylinder (hereinafter referred to as "electric servo brake device"). In this way, the motor compresses and drives the piston to generate brake hydraulic pressure in the electric servo brake device, and the wheel cylinder (wheel cylinder) is operated according to the brake hydraulic pressure thus generated to generate friction-based braking force. [0003] In such a drive-by-wire brake device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T8/17B60T17/18
CPCB60T8/1755B60T2270/604B60T2270/402B60L3/108B60L7/26B60L15/2009B60L7/18B60T7/042Y10S903/947Y02T10/72B60T8/17616
Inventor 赤峰宏平植野真之
Owner HONDA MOTOR CO LTD
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