Simulation Design of Dual-Loop DC Speed Regulation System

This paper aims to provide a detailed explanation of the simulation design process for a dual-loop DC speed regulation system. We will conduct an in-depth study of MATLAB-based simulation methods, including implementation approaches such as using Simulink blocks for system modeling and employing transfer functions to represent controllers. The simulation results will be thoroughly analyzed and discussed. When describing the simulation process, we will examine essential components like DC motors (modeled using electrical equations), current sensors (implemented with measurement blocks), and PI controllers (tuned via Ziegler-Nichols method or optimization algorithms), explaining their roles within the system. Additionally, we will discuss both steady-state and dynamic characteristics of the system, including response time (calculated through step response analysis) and overshoot (measured from transient response curves), while exploring optimization strategies such as controller gain adjustment using MATLAB's Control System Toolbox. Finally, we will interpret the obtained simulation results and investigate their practical applications in real system design. Through this article, readers will gain comprehensive understanding of dual-loop DC speed regulation system simulation design and master MATLAB-based simulation techniques including parameter tuning methods and performance evaluation metrics.