MIMO cascaded system stability analysis method based on impedance return-ratio matrix
A technology of back-ratio matrix and cascade system, which is applied in the general control system, control/regulation system, test/monitoring control system, etc., and can solve the problems of large conservatism of the criterion
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[0044] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0045] This embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation process is given, but the protection scope of the present invention is not limited to the following embodiments.
[0046] This embodiment takes a train-network cascading system connected to a CRH5 type EMU in a high-speed railway as an example.
[0047] Including the calculation of the equivalent source impedance of the front traction network side system, the calculation of the equivalent load admittance of the rear EMU side system, the calculation of the transfer function of the vehicle-network cascade system and the return ratio matrix, and the estimated return ratio matrix eigenvalues And limit its distribution area, set up restricted areas and obtain low conservative system stability analysis results. ...
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