An MPC Control System for Onboard Ultracapacitors with Maximum Current Constraint
Rong Zhou, Zhiwu Huang, Heng Li, Jun Peng, and Yu Song
School of Information Science and Engineering, Central South University
Changsha 410075, China
This study proposes model predictive control (MPC) for onboard ultracapacitors for light rail vehicles using a maximum current constraint. In this study, a Kalman filter is used to estimate the system states. Compared to the PID controller, the MPC-based charging control strategy can solve the maximum current limit problem because it converts the charging problem to an optimization one. Simulation and experiments are carried out to demonstrate the effectiveness of the method.
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