PWM Control Example Using Sliding Mode Variable Structure Control
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This MATLAB-based example illustrates PWM (Pulse Width Modulation) control implementation through sliding mode variable structure control (SMC) algorithm. The system allows users to modify control inputs for adjusting output voltage and frequency characteristics. The controller employs SMC methodology, a widely adopted nonlinear control technique robust against system uncertainties. Key implementation aspects include: - Design of sliding surface function for error dynamics stabilization - Discontinuous control law implementation using signum/saturation functions - PWM signal generation through comparison of control signal with carrier waveform The example provides practical insights into applying sliding mode control to power electronics systems, serving as a foundation for developing customized controllers. Code structure demonstrates real-time parameter tuning capabilities and includes comments explaining critical algorithm steps for educational purposes.
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