Discussions on Several Teaching Issues of Impedance Method in Automatic Control Course
Aiming at the content of impedance method to solve the transfer function of circuit system in the course of Automatic Control Principle,the teaching is discussed.Firstly,the main methods of solving transfer function are summarized.Then,the mathematical nature of impedance method is discussed.Through rigorous mathematical analysis,the relationship between the impedance Z(jω)and the transfer function G(s)of the circuit system is obtained:G(jω)=Z(jω).Finally,some passive networks and active networks in the teaching process are given to obtain the transfer function as calculation cases,which shows the simplicity and effectiveness of this method.The content discussed is of positive significance to improve the teaching of transfer function.
transfer functionimpedance methodoperational amplifieractive network
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