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Driving with ESP

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Uploaded on Nov 3, 2010

Bendix ESP Technology continues to advance the safety of commercial trucking.
ESP stands for Electronic Stability Program
During operation, the electronic control unit (ECU) of the Bendix® ABS-6 Advanced with ESP® system constantly
compares performance models to the vehicle's actual movement, using the wheel speed sensors of the ABS system,
as well as lateral, yaw, and steering angle sensors. If the vehicle shows a tendency to leave an appropriate travel
path, or if critical threshold values are approached, the system will intervene to assist the driver.
In the case of a potential roll event, the system will override the throttle and quickly apply brake pressure at
selected wheel ends to slow the vehicle below a critical threshold. In the case of vehicle slide ("over-steer" or
"under-steer" situations), the system will reduce the throttle and then brake one or more of the "four corners" of the
vehicle (in addition to potentially applying trailer brakes), thus applying a counter-force to better align the vehicle
with an appropriate path of travel. For example, in an "over-steer" situation, the system applies the "outside" front
brake; while in an under-steer condition, the inside rear brake is applied.

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