Patent ID: 7437231
Filing Date: 2008-10-14
Classification: B60T

Abstract:
1. A braking system comprising: a brake control system (BCS) having a first output and a second output; a first controller having a brake command input connected to said BCS first output, a direct enable input, an indirect enable input, a driver output and an indirect enable output; a second controller having a brake command input connected to said BCS second output, a direct enable input, an indirect enable input connected to said first controller indirect enable output, a driver output and an indirect enable output; said first controller producing an indirect enable signal on said first controller indirect enable output when a direct enable signal is received at said first controller direct enable input and a brake command signal is received at said brake command input and producing a driver actuation signal on said first controller driver output when a direct enable signal is present on said first controller direct enable input and an indirect enable signal is present on said first controller indirect enable input and a brake command is received on said first controller brake command input, wherein said BCS includes a third output and including a third controller having a brake command input connected to the BCS third output, a direct enable input, an indirect enable input, a driver output and an indirect enable output connected to said first controller indirect enable input.