A Matlab-Based Simulation of System Stability In Frequency-Field Analysis

The frequency-field analysis to a control system says the system's steady-state response when it has a sine signal input. Use this analytic method, control system's specification can be found directly and the method is very simple. Under this we can solve many questions such as avoiding resonance, restraining molest, improving system stability and so on. Matlab (Matrix Laboratory) is software designed for researching of matrix theory, linear algebra and numerical value accounting by Ph.D Clever Moler, the doyen scientist of MathWorks. Now Matlab software has developed into an edition of 7.1 and has been adopted widely by more and more researchers and engineers for its wide account ability and OOP GUI. The application of system stability simulation in frequency-field analysis to a linear system is described. We share our experiences and intuitions gained and encourage other control process to develop simulation-based system analysis