Methods of analyzing the dynamic performance of automaticcontrol system can include time domain analysis, frequency domain analysis and stability.
自动控制系统的动态性能的分析方法包括时域分析法，频域分析法，及稳定性判据。
2
For welding thicker pieces, automaticfrequencycontrol should be adopted.
对于较厚的焊件，应进行频率自动控制。
3
Frequencycontrol Technology, which can be used as automatic air exchanging and conditioning system in flower cultivation greenhouse, has high reliability and excellent control performance.