It only needs routine closed-loop operating data and knowledge of the process time delay using minimum variance as a benchmark in controller performance assessment.
用最小方差准则来评价控制器的性能，仅需过程变量的常规闭环操作数据和过程的时间延迟特性。
After all, using them take up time; if not handled properly, it would delay the routine work and study.
毕竟，使用它们占用很多时间，如果不能适当使用，可能影响日常的工作和生活。
Through analysis, we can find the controller has routine PID merit and works well in time delay or non - linear system, so it can be popularized and applied to the general industrial process.
分析发现，该控制器具有常规pid的优点，对于大纯滞后或非线性系统能够很好地工作，可以推广应用于一般工业过程。
Open-loop unstable system with time delay is difficult to control using routine control methods.
开环不稳定时滞系统是工业现场中常见的一类被控过程，这类系统控制难度高，控制精度难以保证。
Open-loop unstable system with time delay is difficult to control using routine control methods.
开环不稳定时滞系统是工业现场中常见的一类被控过程，这类系统控制难度高，控制精度难以保证。
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