MATLAB Simulation of ZVS Circuits: Open-Loop and Closed-Loop Analysis

The MATLAB simulation platform for Zero Voltage Switching (ZVS) circuits demonstrates exceptional accuracy in modeling both open-loop and closed-loop control strategies. This simulation environment employs state-space modeling techniques combined with switching device libraries (like Simscape Electrical) to capture transient behaviors during zero-voltage transitions. The implementation typically involves defining circuit parameters through structure arrays, configuring PWM generation blocks for gate driving signals, and implementing feedback controllers (PI/PID) for closed-loop stability analysis. Key algorithmic components include: - Dead-time compensation algorithms to prevent shoot-through currents - Frequency domain analysis tools for resonant tank optimization - Loss calculation modules incorporating semiconductor switching characteristics - Real-time waveform monitoring through Scope blocks with triggered capture Engineers can leverage MATLAB's Control System Toolbox to design compensation networks, while Simulink's solver configurations (ode23tb for stiff systems) ensure numerical stability during switching events. The simulation framework enables parametric sweeps for component tolerance analysis and automated report generation through MATLAB's publishing features. By integrating these technical capabilities, researchers can perform sensitivity analyses, optimize thermal management strategies, and validate design margins under varying load conditions - significantly reducing prototyping iterations for power electronics systems.