分散传感器故障耐受控制DC微电网使用吸引圆形方法
Hisham M Soliman1, Ehab H E Bayoumi2, Farag A El-Sheikhi3
1Department of Electrical Power Engineering, Faculty of Engineering, Cairo University, Cairo 11562, Egypt.
Sensors (Basel, Switzerland)
|August 26, 2023
概括
一个新的被动故障耐受性控制策略提高了DC微电网的稳定性,尽管有传感器故障. 这种方法可以确保系统可靠性,即使在未知的或不确定的故障条件下,提高整体性能.
科学领域:
- 电气工程 电气工程
- 控制系统工程 控制系统工程
- 电力系统 电力系统
背景情况:
- 微电网系统的稳定性经常受到不可预测的故障和设备故障的影响.
- 强大的控制技术越来越多地用于减轻微电网中的这些稳定性问题.
- 传感器故障对DC岛屿微电网的可靠运行构成重大挑战.
研究的目的:
- 开发一种新的被动故障耐受性控制 (PFTC) 策略,用于经历传感器故障的直流岛屿微电网.
- 确保系统稳定性和运行可靠性在存在各种故障时,包括传感器和执行器故障.
- 提供有效的控制方法,即使故障未被识别或其确切性质不确定.
主要方法:
- 这项研究采用了使用线性矩阵不等式 (LMIs) 设计的被动容错控制策略.
- 吸引力圆形技术用于圆形稳定,将状态轨迹限制在定义区域内.
- 在LMI框架内,获得了足够的稳定条件.
主要成果:
- 拟议的PFTC战略有效地在传感器故障条件下保持系统稳定性.
- 控制方法证明了对故障动态不确定性的稳定性.
- 在DC微电网系统上进行的计算研究验证了拟议方法的有效性.
结论:
- 开发的被动故障耐受性控制策略显著提高了DC岛屿微电网的可靠性和效率.
- LMI和有吸引力的圆形技术为解决传感器故障提供了一个强大的框架.
- 拟议的方法为提高微电网系统的弹性提供了一个有希望的解决方案.
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