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Technical Paper

Simulation in the Development of the Electronic Wedge Brake

2006-04-03
2006-01-0298
The Electronic Wedge Brake (EWB) is a new electromechanical braking system with a high self-reinforcement factor. This results in low power consumption, providing the perfect platform for X-by-Wire technologies. However, the unusual energetic relationships in the mechanics require a different approach to brake design, since the actuator itself can be unstable without proper control software. This fact and several other engineering challenges make simulation indispensable in the design process, from individual components, through larger subsystems, and up to the whole brake system including the vehicle and human driver. The simulation results are not only an important part of the development process, but are also useful tools for explaining the brake to third parties. An earlier SAE Paper [1] discussed modeling of the brake itself for the purposes of brake control law design.
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