采样数据系统的稳定性分析基于基于牙特征的层次整体不等式
IEEE transactions on cybernetics
|July 17, 2024
概括
本研究引入了一种基于牙特征的新层次积分不等式 (SCBHII),用于分析采样数据系统 (SDS). 新方法确定了稳定的采样数据系统的最大采样期.
科学领域:
- 控制工程 控制工程 控制工程
- 系统理论 系统理论
- 应用数学 应用数学 应用数学
背景情况:
- 采样数据系统 (SDS) 在现代控制应用中至关重要.
- 输入延迟和抽样时间显著影响SDS稳定性.
- 对于SDS的现有稳定性分析方法可能是保守的.
研究的目的:
- 为具有输入延迟的SDS开发一种新的稳定性分析方法.
- 通过使用新型积分不等式来推导SDS的稳定性标准.
- 为了确定稳定的SDS的最大允许的抽样时间.
主要方法:
- 引入基于牙特征的等级积分不等式 (SCBHII).
- 开发一个高阶的双面循环功能,包括采样多整体状态和牙模式.
- 增加系统变量与牙模式相关的术语.
- 使用线性矩阵不等式 (LMIs) 制定稳定性条件.
主要成果:
- 拟议的SCBHII通过增加等级来提高准确性.
- 实现了减少保守主义的SDS的稳定性标准.
- 该方法有效地处理高阶术语,没有二次处理.
- 通过数值示例和电力市场模型来证明有效性.
结论:
- SCBHII和相关的稳定性标准为SDS稳定性分析提供了一种不那么保守的方法.
- 拟议的方法提供了一个可靠的工具来确定最大采样周期.
- 这项研究有助于可靠设计和实施SDSs.
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