Based on the estimation of a controlled plant's transfer function model, a method for the self-tuning of PID controllers in closed-loop system is proposed.
基于对被控对象传递函数的估计，提出一种闭环pid参数整定方法。
Using reducing-order closed-loop transfer function, small signal stability of each machine even the whole multi-machine system is analyzed efficiently.
基于降阶闭环传递函数可对各机组从而对整个多机系统的小扰动稳定性进行有效的分析。
An approximate non-minimum phase transfer function of magnetic suspension bearing is established, on the basis of that, a closed-loop controller is designed and makes the whole system stable.
建立了磁浮轴承的近似非最小相位传递函数模型，并基于此模型设计了保证系统稳定的闭环控制器。
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