WOA–PSO of fractional-order PID control for arc plasma power supply inverter modules

IF 1.3 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Yue Li, Hailong Yu, Chuan Jiang, Yong Jin
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Abstract

The inverter module, as a critical device in arc plasma power supplies for converting DC to AC, often encounters issues such as stability errors and system disturbances due to the impact of shock loads when tracking rated voltage and frequency signals. This paper proposes an improved Particle Swarm Optimization (PSO) strategy for Fractional-Order PID (FOPID) control with limited parameter selection, aiming to address the poor performance of inverter modules in arc plasma power supply systems. The proposed strategy incorporates the spiral position updating mode from the Whale Optimization Algorithm into the position updating process of PSO, which improves particle diversity, global search capability and optimization stability. The effectiveness of the proposed method is verified by comparing it with the Ziegler–Nichols tuning method and the standard PSO algorithm in the MATLAB/Simulink simulation environment. A model of an inverter system is established for validation purposes. The results indicate that applying the improved PSO-based FOPID control strategy to the inverter process of the arc plasma power supply system significantly enhances the output waveform quality, reduces harmonic distortion, and achieves excellent control performance.

Abstract Image

弧等离子电源逆变器模块的分数阶 PID 控制 WOA-PSO
逆变器模块作为弧等离子电源中将直流电转换为交流电的关键设备,在跟踪额定电压和频率信号时经常会遇到稳定性误差和冲击负载影响导致的系统干扰等问题。本文提出了一种改进的粒子群优化(PSO)策略,用于有限参数选择的分阶 PID(FOPID)控制,旨在解决弧等离子电源系统中逆变器模块性能不佳的问题。所提出的策略将鲸鱼优化算法中的螺旋位置更新模式融入 PSO 的位置更新过程,从而提高了粒子多样性、全局搜索能力和优化稳定性。在 MATLAB/Simulink 仿真环境中,通过与 Ziegler-Nichols 调整方法和标准 PSO 算法进行比较,验证了所提方法的有效性。为了验证,建立了一个逆变器系统模型。结果表明,将改进的基于 PSO 的 FOPID 控制策略应用于电弧等离子体供电系统的逆变器过程,可显著提高输出波形质量,降低谐波失真,并实现出色的控制性能。
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来源期刊
Journal of Power Electronics
Journal of Power Electronics 工程技术-工程:电子与电气
CiteScore
2.30
自引率
21.40%
发文量
195
审稿时长
3.6 months
期刊介绍: The scope of Journal of Power Electronics includes all issues in the field of Power Electronics. Included are techniques for power converters, adjustable speed drives, renewable energy, power quality and utility applications, analysis, modeling and control, power devices and components, power electronics education, and other application.
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