一个创新的有限实数定理对于单数分数顺序系统
1College of Sciences, Northeastern University, Shenyang, 110819, China.
ISA transactions
|October 29, 2025
概括
这项研究通过将复杂变量转换为实数,简化了对奇数分数顺序系统 (SFOS) 的有限实数定理. 这种修改减少了对SFOS的H∞反控制器设计的保守主义.
科学领域:
- 控制系统工程 控制系统工程
- 数学分析的数学分析
背景情况:
- 单一分数顺序系统 (SFOS) 在控制设计中提出了独特的挑战.
- 有界实数定理对于 H∞ 控制至关重要,但对于 SFOS 标准形式而言是复杂的.
研究的目的:
- 修改SFOS的局限实数定理,使实数变量而不是复杂变量的使用成为可能.
- 为了减少SFOS的H∞反控制器设计中的保守主义.
主要方法:
- 使用单个实变量构建一个允许的集合.
- 开发一个通用的S程序.
- 将H∞规范不等式转换为频域不等式 (FDI).
- 描述矩阵的全等级分解的应用.
主要成果:
- 为SFOS衍生出一个单个实变量的局限实数定理.
- 对SFOS的有限实数定理中的复杂变量成功地被实数变量取代.
- 在H∞反控制器设计中减少了保守主义.
结论:
- 拟议的方法有效地修改了SFOS的边界实数定理.
- 从复杂变量转换为真实变量,保持了该定理的有效性.
- 模拟示例验证了该方法的有效性和减少了保守主义.
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