The preliminary results of the experimental veritication of the mathematical model of the pneumatic brake (treadie) valve are presented.The model was presented in the two previous articles. In this article the specialized test stand is described. It is equipped with a special mechanism allowing us to determine the static and dynamic characteristic of the valve for the different velocitics of the treadle movement. Various ways of the brake system operation can be simulated and tested this way. The mechanism is controlled by the designed PWM amplifier.The results are promising and they prove the correctness of the model.
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