Performance-based design of pseudo-sliding mode speed control for electrical motor drives

This research framework deals with designing and testing pseudo‑sliding mode control (PSMC) for electric motor drives. Traditional sliding mode control often creates high‑frequency chattering, which harms the motor’s mechanical parts and reduces efficiency. To reduce these problems, we develop a performance‑based design method that balances tracking accuracy, robustness to parameter changes, and smoothness of the control signal. The approach gives a step‑by‑step procedure for setting the pseudo‑sliding surface and the boundary‑layer parameters using defined dynamic performance indices. Using a detailed mathematical model of the motor drive, we prove closed‑loop stability with Lyapunov criteria. Simulation models are built to check both transient and steady‑state behavior when load torque varies or parameters

are uncertain. The method offers clear guidance for creating robust speed controllers in industrial drives, achieving a good compromise between chattering reduction and disturbance rejection. This framework can be used as a complete reference for designing, simulating, and evaluating advanced robust control algorithms in modern electric propulsion systems.

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