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Abstract
Using the very old idea, the wedge, there is a good opportunity to realize the self-amplified system. The basic idea is that the rotation energy of the brake disc can be used as an actuation source for the brake system. In this way, the additional actuation force comes with the intervention of friction. The value of the friction coefficient varies in a very wide range, and its effect is very important from the viewpoint of the control algorithm. The system can come to the instable state easier if the coefficient of friction–wedge angle pairs produce self-locking state. In order to analyse the behaviour of this self-energizing brake system, a mechanical model has been created including the accurate description of friction characteristics. This paper focuses on the modelling steps of the self-energizing wedge brake. A complete parameter analysis will be demonstrated in order to understand the model. The stability conditions of the model will be analysed.