Constant speed control system

Details Constant speed control system Constant speed control system

2008-01-15

2008-01-15

Keith, Jack (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

C701S048000, C701S054000, C701S070000, C701S075000, C701S076000, C701S079000, C701S084000, C701S096000, C701S097000, C303S191000, C303S192000, C180S170000

Reexamination Certificate

active

07319927

ABSTRACT:
A method is provided for controlling a low speed operation of a vehicle. A speed activation switch is activated. A target vehicle speed is calculated in response to an accelerator pedal demand as determined by an accelerator pedal position where each respective accelerator pedal position is associated with a respective predetermined target vehicle speed. A vehicle turning geometry is determined in response to a steering wheel angle input. A target wheel speed of each of a plurality of vehicle wheels is calculated as a function of the target vehicle speed and turning geometry. An actual wheel speed of each wheel is measured. A net torque is determined in response to the target wheel speeds and actual wheel speeds. An engine output torque and a braking torque are determined in response to the net torque. The engine output torque and the total vehicle braking torque are controlled for cooperatively maintaining the target vehicle speed.

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