Daewoo Musso Automatic Brake Differential Lock Wiring System. The Daewoo Musso Automatic Brake Differential Lock (ABD) is a traction system by means of brake intervention only, available in a low speed range (< 60kph). ABD is available in the speed range < 60 kph. Above 60 kph vehicle speed, ABD is passive.

It works on m-split roads with sidewise different friction coefficients. The spinning driven wheel is braked and the drive torque can be transferred to the wheel on the high- m side. During ABD active, the ABD information lamp is blinking. The temperature of the brakes is calculated by a mathematical model and ABD is switched passive if the calculated temperature is greater than a threshold value(500°C). ABD is permitted again, when the calculated temperature is less than 350°C. The following schematic illustrates the Daewoo Musso Automatic Brake Differential Lock Wiring Diagram. (Click image to enlarge)

Daewoo Musso Automatic Brake Differential Lock Wiring Diagram

The input signals for the control algorithm are the filtered wheel speed signals from the ABS speed processing. With the speed difference of the driven wheels, the control
deviation is calculated. If the control deviation exceeds a certain threshold value, the wheel with the greater slip is braked actively. The threshold value depends on the vehicle speed: It is reduced with increasing vehicle speed down to a constant value.



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