TY - JOUR AU1 - Wang, Jun-Cheng AU2 - He, Ren AU3 - Kim, Young-Bae AB - A double-loop optimal control strategy combined with a voltage variable charging control scheme is developed to enhance the efficiency of energy recovery and improve control precision for a regenerative hydraulic composite braking system. The proposed voltage variable charging control scheme structure aims to regulate a regenerative braking torque using a charging voltage variation based on an existing battery management system. In addition, an experimental test was conducted to verify the effectiveness of the charging voltage control, and a first loop optimal control was developed to evaluate the ideal ground braking force accurately by transforming several state variables into differential equations. A second optimal control loop was subsequently developed to track an ideal slip ratio using a full-information optimal sliding mode control method under the all-braking conditions. Simulation results corroborate that a composite braking system controlled by the proposed control strategy can implement the regenerative braking behavior precisely with a considerable high-energy recovery efficiency. TI - Optimal control of regenerative hydraulic composite braking system based on a voltage variable charging control scheme JF - "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering" DO - 10.1177/0954407019859082 DA - 2020-02-01 UR - https://www.deepdyve.com/lp/sage/optimal-control-of-regenerative-hydraulic-composite-braking-system-1fZhbTM2U0 SP - 536 EP - 551 VL - 234 IS - 2-3 DP - DeepDyve ER -