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Platooning of autonomous vehicles has the potential to significantly benefit road traffic. This paper presents a new robust acceleration tracking control of vehicle longitudinal dynamics toward platoon-level automation. Based on a multiple-model switching structure, this design divides the large uncertainties of vehicle dynamics into small uncertainties and, accordingly, develops multiple robust controllers for the multiple-model set. The switching control system automatically selects the most appropriate candidate controller into the loop, according to the errors between current vehicle dynamics and multiple models. This technique offers more consistent and approximately linear node dynamics for upper level platoon control, even under relatively large vehicle uncertainties. Simulation comparison with a sliding model controller and a fixed H-infinity controller is conducted for a passenger car to demonstrate the enhanced robustness of the switching control method. The experimental test for the same car is performed for further validation.
Li et al. (Fri,) studied this question.