Adaptive cruise control system and method for vehicle
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United States of America Patent
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Feb 23, 2016
Grant Date -
Jan 9, 2014
app pub date -
Dec 30, 2010
filing date -
Dec 30, 2010
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Abstract
A vehicle adaptive cruise control system and method are provided. The adaptive cruise control system, comprising an adaptive cruise mode selection unit configured to select adaptive cruise modes to control speeds and relative distances for a host vehicle in different modes; a data acquisition unit configured to acquire a vehicle state variable x(t); a control unit configured to generate a vehicle control signal u(t) based on the vehicle state variable x(t); a critic unit configured to evaluate a control performance according to the vehicle state variable x(t) and the vehicle control signal u(t), if a result of evaluation indicates that the control performance does not comply with a requirement, then the control unit and the critic unit perform an online leaning; a gas pedal unit and a brake unit configured to be controlled respectively by using the vehicle control signal u(t) output from the is control unit and data provided from a the vehicle inverse dynamics. According to the system, the safety and personality is improved.
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