Integrated Torsional Oscillations Controller Design for Electrified Powertrain System over CAN

This paper proposed an integrated torsional oscillations controller design for the electrified powertrain system under the influence of network-induced time-varying delays. An integrated model is established, where permanent magnet synchronous motor (PMSM) and drivetrain are all included. Considering the coupling effects of network-induced delays and event-driven manner of the controller nodes, a delay-free discrete model is developed via polytopic inclusion approach and system augmentation technique. Energy-to-peak strategy is adopted to ensure the robust performance of torsional oscillation controller design. The stability of electrified powertrain system is proved via Lyapunov theory, and the controller gain is obtained by using the LMI tool box in Matlab. A simulation model is built in Simulink with a delicate controller area network (CAN) model that developed via SimEvent, by which the effectiveness and performance of the proposed integrated torsional oscillations controller against CAN-induced delays are well verified.

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