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。
2
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。
3
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.