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System for electronically controlling a motor vehicle brakes

A technology of motor vehicles and control devices, which is applied in the direction of brakes, vehicle components, vehicle safety arrangements, etc., can solve a wide variety of problems with little coordination with each other, and achieve the effect of cost reduction

Inactive Publication Date: 2008-03-05
CONTINENTAL TEVES AG & CO OHG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reactions to occurring faults and the underlying theory are therefore too diverse and rarely coordinated in motor vehicles currently equipped with complex safety systems.
Another disadvantage lies in the degree of fail-safeness in known passive safety systems, which is due to the limited presence of safe microprocessor systems in the corresponding control devices

Method used

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  • System for electronically controlling a motor vehicle brakes
  • System for electronically controlling a motor vehicle brakes

Examples

Experimental program
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Embodiment Construction

[0059] On the semiconductor material 2, a redundant microcontroller system 20, logic elements 27, power supply 15 and power driver stages 21, 22, 23 (in particular, a valve driver 21 with a pulse width modulated control activation device in the center) are assembled. , other valve drivers 22 and relay drivers 23) and spatially separated test processors 24, 25 (watch dogs) and power supply ICs (integrated circuits) 15, 15'. This requires the use of modern semiconductor processes which at least in part allow hardware structures with "mixed-signal" capabilities. In addition, a semiconductor main relay is provided on IC15, by means of which the current input to the valve coil can be interrupted. Furthermore, an input / output unit 26 is provided, with which, for example, a warning light WL for activation of the ABS braking system can be controlled.

[0060] The microprocessor system 20 includes two central units 21 and is designed according to the principle of core redundancy. Tha...

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PUM

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Abstract

The invention concerns a system for controlling a motor vehicle brakes, comprising standard functional units provided with a braking electronic regulator and a hydraulic unit in particularly fixed connection with the regulator, said electronic regulator including a redundant or partly redundant system of microprocessors with several central units (UC) and standard functional units having a controlling and regulating philosophy at least for an anti-skidding system. Said control system also comprises non-standard hardware and software functional units of an external safety system for protecting the passengers of a motor vehicle, said system being passive, that is it does not intervene directly in the vehicle dynamics. Said units are integrated in the field of the motor vehicle brake control system, ''field'' meaning that the non-standard hardware and software functional units to be integrated are placed at least in the direct vicinity of the standard braking electronic control regulator.

Description

technical field [0001] The invention relates to an electronic brake control device for a motor vehicle according to the preamble of claim 1 . Background technique [0002] Electronic control devices for braking systems of motor vehicles are widely known and increasingly provide a variety of additional functions in addition to the functions of the anti-lock braking system (ABS), such as acceleration and slip control (ASR) and electronic braking. Vehicle distribution (EVB), but also functions for active driving safety, such as the electronic stability (control) program (ESP). [0003] ABS, ARS and EVB can be regarded as safety devices for longitudinal dynamic adjustment, while ESP is used to improve safety in lateral dynamic control of motor vehicles. In particular, ESP systems, due to their driver-independent braking interventions or even steering interventions (New Generation ESP), are more to be understood as active safety systems than the aforementioned control devices. ...

Claims

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Application Information

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IPC IPC(8): B60T8/36B60T8/88B60R21/01
Inventor W·法伊M·齐德克S·索默尔
Owner CONTINENTAL TEVES AG & CO OHG
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