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Redundant hardware architecture for the control signal stage of a braking system for a vehicle all the wheels of which are each connected to at least one rotary electrical machine

A technology of rotating motors and control signals, which is applied in the field of road vehicle systems and can solve problems such as electric brakes that are not mentioned

Inactive Publication Date: 2010-08-11
OCIETE DE TECH MICHELIN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Said patent does not mention the control of electric braking

Method used

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  • Redundant hardware architecture for the control signal stage of a braking system for a vehicle all the wheels of which are each connected to at least one rotary electrical machine
  • Redundant hardware architecture for the control signal stage of a braking system for a vehicle all the wheels of which are each connected to at least one rotary electrical machine
  • Redundant hardware architecture for the control signal stage of a braking system for a vehicle all the wheels of which are each connected to at least one rotary electrical machine

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Embodiment Construction

[0031] figure 1 is schematically shown with four wheels 1 AvG ,1 AvD ,1 ArG and 1 ArD Vehicles. Wheels are labeled 1 AvG Indicates the left front wheel, 1 AvD Indicates the right front wheel, 1 ArG Indicates the left rear wheel, 1 ArD Indicates the right rear wheel. Each wheel is equipped with an electric motor mechanically coupled to it. motor 2 AvG ,2 AvD ,2 ArG and 2 ArD is shown. In the following, subscripts specifically indicating the positions of the wheels 1 or the motor 2 in the vehicle are not repeated when they have no effect on the clarity of the description in this specification. The electric traction machine 2 is a three-phase synchronous motor equipped with resolver-type angular position sensors and driven by wheel drive electronics modules 23 to which they are connected via power supply lines 21 . The wheel drive electronics module 23 is designed to be able to drive the electric motor in terms of torque. Each wheel drive electronics module 23 can...

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Abstract

Electric braking system for a road vehicle of which at least one wheel is connected for the purposes of rotation to at least one rotary electrical machine, at least one wheel control electronic module 23 driving the electrical machine or machines of one same wheel, comprising a central processing unit 3 that manages the movement of the vehicle, said central processing unit controlling the wheel control electronic module or modules 23, comprising a brake command available to a driver, said command being mechanically connected to at least three sensors C1, C2, C3 delivering a vehicle braking command signal of given amplitude representative of the total braking force desired for the vehicle, in which the sensor C1 of the first group delivers or deliver its or their control signal to the said central processing unit 3 and the sensor of the second group C2, C3 delivers or deliver its or their control signal to the or to each of the wheel control electronic module(s) 23. Only the first group of sensors independently plays the role of calculating a brake setting value in a common position.

Description

technical field [0001] The invention relates to road vehicles. It relates in particular to systems for braking electric traction road vehicles. Background technique [0002] Electric vehicles include vehicles in which electric energy necessary for its movement is stored in a battery, and vehicles in which electric energy is generated on-board by an engine-driven generator or by a fuel cell. The traction of the vehicle is ensured by one or more electric motors. The braking of the vehicle is ensured by a conventional mechanical braking system. The prior art already contains a very large number of proposals for electric traction vehicles. One can cite, for example, US Patent 5,418,437, which describes a series of hybrid four-wheeled vehicles, each wheel being driven by its own dedicated electric motor, a controller making it possible to drive the wheel motors and ensuring power from the alternator or battery to the motors supply control. Said patent is silent on the contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L7/00B60L15/36H02P3/06
CPCB60L2200/26B60L3/0092B60L2260/28B60L3/0038B60L7/22B60L7/26B60L3/102B60L2250/10
Inventor G·布尔吉F·丘德-莫鲁J-L·琳达
Owner OCIETE DE TECH MICHELIN
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