评论"在自动电压调节器系统中使用非线性正弦共弦算法对西格形PID控制器进行最佳调节"
Debdoot Sain1, Manoranjan Praharaj2, Jung-Min Yang1
1School of Electronic and Electrical Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea.
ISA transactions
|October 16, 2023
概括
对于自动电压调节系统的相对稳定性分析,使用循环传输函数 (LTF) 比使用闭环传输函数 (CLTF) 更准确. 本研究强调了用于控制系统可靠稳定性评估的LTF.
科学领域:
- 控制系统工程 控制系统工程
- 电气工程 电气工程
- 系统分析 系统分析
背景情况:
- 准确的相对稳定性分析对于设计可靠的自动电压调节器 (AVR) 系统至关重要.
- 之前的研究,如Suid和Ahmad (2022),已经使用了各种方法来调整PID控制器在AVR系统.
- 转移函数表示的选择可以影响控制系统的感知稳定性.
研究的目的:
- 在AVR系统中使用闭环传输函数 (CLTF) 获得的相对稳定性结果进行批判性分析.
- 为了比较使用CLTFs与循环传输函数 (LTFs) 的稳定性分析的可靠性和准确性.
- 为控制工程中的稳定性评估提供关于适当使用转移函数的指导.
主要方法:
- 重新评估以前使用根部和博德图进行的相对稳定性分析.
- 来自CLTF和LTF的稳定性结果的比较分析.
- 在稳定性分析中使用CLTF与LTF的数学含义的理论检查.
主要成果:
- 在相对稳定性分析中使用闭环传递函数 (CLTF) 可以产生不太准确和潜在的误导性结果.
- 基于循环传递函数 (LTF) 的稳定性分析显示出卓越的可靠性和准确性.
- 当应用到AVR系统的LTF时,根部位和Bode分析的解释更可靠.
结论:
- 建议使用循环传递函数 (LTF) 而不是闭环传递函数 (CLTF),以便在控制系统中进行准确的相对稳定性分析.
- 这些发现强调了为有效的稳定性评估选择正确的转移函数表示的重要性.
- 这项工作为分析自动电压调节器系统稳定性的既定方法提供了批判性的视角.
相关概念视频
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