We develop the intelligent multimode transit system (IMTS), as a new transit system, which uses platooning of automated driving buses. This paper describes the steering control of an automated bus for IMTS. It is confirmed in the experiments that the feedforward controller and the linear quadratic integral feedback controller designed have good performance of lane following both on a curve and a straight course. The feedforward steering angle and the desired states of the feedback controller are calculated by using road geometry, vehicle characteristics and velocity, assuming steady state turning of the vehicle. The road geometry map used by the vehicle is constructed according to the design of the road. The state variables for feedback are estimated by means of a hybrid Kalman filter. The hybrid Kalman filter provides accurate estimation at low speed even when using discrete reference markers for the measurement of vehicle's lateral deviation.
Automated steering control for the intelligent multimode transit system
2000-01-01
394980 byte
Conference paper
Electronic Resource
English
Automated steering control for the intelligent multimode transit system
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