在电动汽车充电中,金优化了PFC SEPIC转换器的分数顺序PI控制器设计
1School of Electrical Engineering, Vellore Institute of Technology, Vellore, 632014, India.
Scientific reports
|September 9, 2024
概括
本研究介绍了金优化,用于调整单端初级感应器转换器在电动汽车充电器中的功率因子校正,提高性能.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 电力电子 电力电子 电力电子
背景情况:
- 功率因子校正 (PFC) 对电动汽车 (EV) 充电器至关重要.
- 传统的PI控制器可能无法为PFC转换器提供最佳性能.
- 分数顺序PI (FOPI) 控制器提供了增强的控制能力.
研究的目的:
- 为了优化PFC应用中使用的单端初级电感转换器 (SEPIC) 的分数顺序PI (FOPI) 控制器的参数.
- 为了提高电动汽车充电器功率转换器的性能,使用先进的优化算法.
- 为了比较优化的FOPI控制器与传统PI控制器的性能.
主要方法:
- 该研究建议使用金优化 (GEO) 算法调整 FOPI 控制器参数.
- 该SEPIC转换器模型是使用状态空间平均化推导的,并通过时刻匹配方法减小.
- 积分绝对错误 (IAE) 和积分方位错误 (ISE) 被用作优化目标函数.
主要成果:
- 与传统的PI控制器相比,GEO调整的FOPI控制器表现出更高的性能.
- 在 MATLAB/SIMULINK 中的模拟结果显示了更好的沉降时间和更快的动态响应.
- 拟议的方法有效地减少了冲动电流和波扭曲,确保了系统的稳定性.
结论:
- 黄金优化有效调整FOPI控制器用于SEPIC PFC转换器.
- 优化的FOPI控制器显著提高了电动汽车充电器电源的性能和稳定性.
- 这种方法为提高电动汽车充电系统的效率和可靠性提供了一个有希望的解决方案.
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