The singular value bode diagram is introduced to analyzes the characteristic of dynamics . those are the good foundations of the design of the control system
2.
Dynamic characteristic of the fan system was tested in this paper . the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented . the results show that the frequency response of the system is satisfying in the range up to 0 . 2 hz
3.
At first , the dynamic mathematic model is created in the light of the known dimensions and structure . then base on the mathematic model , dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab . the influence factor on frequency character steady and performance of the system is also analyzed
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