Patent ID: 9428159
Filing Date: 2016-08-30
CPC Classification: B60T

Claim Text:
1. A brake system for a motor vehicle, comprising: a service brake on all wheels of the motor vehicle and electric parking brake actuators on at least two wheels; an electronic controller configured to control the service brakes and the electric parking brake actuators, a parking brake control switch, first and second drive circuits for first and second electric parking brake actuators, at least a first and a second independent arithmetic unit, which are directly connected to each other by means of a data bus, and the first and the second arithmetic units connected with and controlling the first and second drive circuits, the first and the second independent arithmetic units are implemented at least partly in redundant form, and the first and the second arithmetic units are in the form of a redundant core microcontroller with two processor cores working in lockstep mode, wherein the first and the second arithmetic units are entirely comprised within the electronic controller.