基于协议的动态控制隐藏的随机跳跃多区域电力系统在有限的时间间隔
IEEE transactions on cybernetics
|March 3, 2025
概括
本研究介绍了一种动态事件触发的协议,用于相互连接的电力系统的负载频率控制,通过半马尔科夫过程提高稳定性和通信效率. 新的异步控制策略确保了尽管存在系统不确定性的有限时间性能.
科学领域:
- 控制系统工程 控制系统工程
- 电力系统分析 分析 分析
- 随机过程 随机过程
背景情况:
- 相互连接的多区域电力系统 (IMAPS) 面临着由于随机参数变化而维持稳定的负载频率控制 (LFC) 的挑战.
- 传统的控制协议可能是低效的,导致通信资源的浪费和在动态电网环境下低于最佳性能.
研究的目的:
- 开发一个动态事件触发协议 (DETP),用于具有随机半马尔科夫参数的IMAPS中强大的LFC.
- 使用隐藏的半马尔科夫模型 (HSMM) 来解决系统和控制器模式之间的异步.
- 确保在动态条件下具有有限的时间界限和预定义的系统性能.
主要方法:
- 使用半马尔科夫过程 (SMP) 描述IMAPS的随机行为.
- 开发一个具有可调节值的动态事件触发协议 (DETP),以实现高效的通信.
- 隐藏的半马尔科夫模型 (HSMM) 的应用来管理模式异步.
- 构建一个模块化依赖的随机利亚普诺夫函数用于理论分析.
主要成果:
- 导出足够的条件以保证系统的有限时间局限性,并提供性能保证.
- 拟议的DETP有效调节传输频率,同时优化通信资源的使用.
- 在三区域电力系统模拟中证明了异步控制策略的效率.
结论:
- 新的异步控制策略有效地解决了IMAPS中模式不匹配的问题.
- 通过提高动态性能和减少通信开销,DETP提供了与静态协议相比的显著改进.
- 该研究为复杂的随机动力系统中有限时间的LFC提供了一个强大的框架.
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