A virtual lead vehicle scheme is introduced to make the switching between the speed control algorithm and the distance control algorithm unnecessary. This method is shown to provide a good reaction for when a lead vehicle cuts in or out. A linear quadratic controller with variable weights is suggested to control the virtual lead vehicle. This scheme shows improved performance in terms of passenger comfort and fuel efficiency of the host vehicle.

Volume Subject Area:
Vehicle Dynamics and Control
Topics:
Control algorithms, Control equipment, Control systems, Fuel efficiency, Motion control, Vehicles
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 by ASME
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