In this paper the control of an electro-mechanical brake-by- wire actuator has been presented. The identification of the system have exploited a model-based approach, in order to achieve a better understanding of the brake behavior: the third-order model developed in this paper turns out to be a suitable model for the pressure control, since it is capable of taking into account the most relevant dynamics of the braking system. The friction compensation has been obtained via dithering technique: the effectiveness of such a method for this specific problem has been proven by the experimental results. The pressure control loop, based upon a PID controller plus the dither signal, guarantees the 10 Hz bandwidth and the bounded overshoots. The capabilities of such an actuator represent the basis from which more sophisticated high-level braking control strategies can be further implemented.
Modeling and control of an electro-mechanical brake-by-wire actuator for a sport motorbike
IFAC Symposium on Mechatronic Systems, 5 ; 524-531
2010
8 Seiten, 7 Bilder, 4 Tabellen, 20 Quellen
Conference paper
English
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