概括
对具有时间延迟的网络采样数据系统进行了可控性分析. 控制信号的延迟不会影响可控性,特定的系统类型不受任何信号延迟的影响.
科学领域:
- 控制系统工程 控制系统工程
- 网络系统分析 网络系统分析
- 时间延迟系统 时间延迟系统
背景情况:
- 网络采样数据系统在现代控制应用中非常普遍.
- 控制和传输道的时间延迟对系统可控性构成重大挑战.
- 了解延误的影响对于设计强有力的控制策略至关重要.
研究的目的:
- 调查各种时间延迟的网络采样数据系统的可控性.
- 在单次和多次延迟的情况下,得出必要和足够的可控性条件.
- 分析控制和传输延迟对系统可控性的具体影响.
主要方法:
- 对单个和多个时间延迟系统的可控性条件的推导.
- 分析具有特定拓性质的系统 (拓矩阵中的零固有值).
- 网络采样数据系统的建模,以第一阶段的时间延迟系统作为时间延迟系统.
- 对代数可控性条件的矩阵等级检查的应用.
主要成果:
- 控制信号的延迟不会影响系统的整体可控性.
- 对于只有零固有值的拓矩阵系统,控制和传输都不会延迟冲击可控性.
- 在某些网络采样数据系统中,不受控制的模式不变于任意延迟.
- 对于具有一级持有系统,建立了易于验证的可控性代数条件.
结论:
- 该研究提供了对网络采样数据系统与时间延迟的可控性进行全面分析.
- 在一般情况下,控制信号的延迟被发现不会损害可控性.
- 特定的系统结构表现出对时间延迟的固有稳定性,简化了控制设计.
- 矩阵等级条件为评估相关系统配置中的可控性提供了实用工具.
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