模糊适应式ESO控制器用于双活跃桥转换器.
Ju-Hyeong Seo1, Sung-Jin Choi1
1Department of Electrical, Electronic and Computer Engineering, University of Ulsan, Ulsan 44610, Republic of Korea.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
本研究介绍了直流微电网的自适应控制框架. 它通过智能调整观察器带宽,改善短暂响应和减少噪声来提高负载变化期间的电压稳定性.
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:
- 转换器主导的直流微电网面临由于负载变量的电压不稳定.
- 储能系统和双向双活跃桥梁转换器是缓解的关键组成部分.
- 强大的控制器性能对于处理阶段负载条件至关重要.
研究的目的:
- 为DC微电网电压调节提出一个主动干扰排斥控制 (ADRC) 框架.
- 为了提高短暂性能和减轻负载阶段下的电压偏差.
- 为了解决扩展状态观察者 (ESO) 控制中短暂速度和噪声灵敏度之间的权衡.
主要方法:
- 实施使用模糊逻辑进行自适应式扩展状态观察器 (ESO) 带宽调整的ADRC框架.
- 基于估计误差,ESO带宽是动态调整的:在过渡时增加以更快的补偿,在稳定状态下减少以减少噪声.
- 在各种负载阶段条件下通过硬件实验验证.
主要成果:
- 与PI和固定带宽ESO控制器相比,拟议的自适应ESO控制器显著减少了峰值电压下降和负载增加期间的沉降时间.
- 对于负载降低,自适应ESO控制器显示高峰超越和结算时间大幅减少,而不是PI控制器和固定带宽ESO.
- 适应性带宽调整有效地平衡了短暂响应速度和噪声抑制.
结论:
- 与传统方法相比,模糊逻辑调整的自适应ESO框架在DC微电网中提供了优越的短暂性能.
- 这种方法有效地减轻了严重负载瞬时的电压偏差,提高了电网的稳定性.
- 适应性策略克服了固定带宽控制器的局限性,提供了更好的整体监管.
关键词:
一直流微电网 (DCMG) 是指直流微电网.活动干扰排斥控制 (ADRC)适应性带宽的适应性带宽双活跃桥梁 (DAB) 是一个双活跃桥梁.扩大状态观察员 (ESO) 的情况.模糊的逻辑模糊的逻辑更多相关视频
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