Method for controlling fuzzy neural network of active power filter based on terminal sliding mode
A technology of fuzzy neural network and power filter, applied in adaptive control, general control system, control/regulation system, etc., to overcome the precise information of the system and improve the robustness of the system
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[0067] The present invention will be further described below in conjunction with the accompanying drawings.
[0068] A fuzzy neural network control method for an active power filter based on a terminal sliding mode includes the following steps.
[0069] (1) Establishing an active power filter model
[0070] The active power filter (APF) main circuit structure of this embodiment is as follows figure 1 shown.
[0071] The basic working principle of the active power filter is to detect the harmonic current from the power system, and generate a compensation current that is equal in size to the harmonic current but opposite in polarity according to the detected harmonic current, thereby eliminating the harmonic current in the power grid. wave current.
[0072] According to circuit theory and Kirchhoff's theorem, the following three different formulas can be obtained:
[0073] v 1 ...
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