分数级滑动模式协调控制器使用超扭转干扰观察器对NSSS具有预定义时间稳定性的NSSS进行协调控制
1Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong Special Administrative Region.
ISA transactions
|July 6, 2025
概括
本研究引入了一种新的分数顺序滑动模式协调控制 (FOSMCC) 策略,采用双超扭转干扰观察器 (STDO) 来提高核蒸汽供应系统 (NSSS) 在干扰下的稳定性和性能.
科学领域:
- 核工程 核工程是指核工程.
- 控制系统理论 控制系统理论
- 应用数学 应用数学 应用数学
背景情况:
- 核蒸汽供应系统 (NSSS) 需要强大的控制来确保安全高效的运行.
- 复杂的操作条件和干扰挑战了现有的控制策略.
- 在不确定性下提高稳定性,可靠性和性能至关重要.
研究的目的:
- 开发一个先进的分数顺序滑动模式协调控制 (FOSMCC) 战略.
- 整合双重超扭转干扰观察器 (STDO) 进行优异的干扰排斥.
- 在复合干扰下保证NSSS的预定义时间稳定性.
主要方法:
- 分数顺序控制,预定义时间理论和滑动模式控制的综合.
- 实施由双个STDO驱动的干扰前补偿循环.
- 使用利亚普诺夫直接方法进行理论稳定性分析.
主要成果:
- FOSMCC战略确保了快速的过渡反应,高稳定状态精度和强大的干扰排斥.
- 理论证明了NSSS的卓越的预定义时间稳定性.
- 与FOFTSMC相比,核电 (89.37%) 和水位 (87.67%) 的完整绝对控制误差显著降低,与PACC相比 (99.97%和99.99%) 的降低甚至更大.
结论:
- 拟议的FOSMCC战略与STDO显著超过现有控制器 (FOFTSMC,PACC).
- 该战略为NSSS提供了增强的控制性能,稳定性和可靠性.
- 在缓解复杂,时间变化的操作条件和复合干扰方面经过验证的有效性.
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