Vehicle anti-lock brake control method based on least squares support vector machine
2008
The invention discloses a method for controlling an anti-lock braking system of automobiles, which bases on least squares support vector machines (LS-SVM) and relates to the technical filed of the electronic control of the automobiles. The controlling method estimates automobile body deceleration according to the wheel velocity peak values of four wheels; the automobile body reference speed is calculated according to the automobile body deceleration and then the reference slip rate of the wheels is obtained by calculation; the angular deceleration of the wheels is calculated according to the angular speed of the wheels; the angular speed and reference slip rate of every wheel are respectively taken as input to construct a controller of the least squares support vector machines; the expected brake pressure of every wheel is calculated; according to the expected brake pressure, a pulse width modulation method is adopted to control the on/off time of an electromagnetic valve, thus controlling the brake pressure and realizing safety braking. The method is applicable to controlling the anti-lock braking system (ABS) of automobiles.
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