Construction method of alternating-current magnetic bearing fault-tolerant decoupling controller
A technology of decoupling controller and construction method, applied in the field of magnetic levitation transmission, to achieve the effect of good application value and popularization
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[0021] The concrete implementation of the present invention divides following 10 steps:
[0022] 1. Connect the Clark inverter 11 and the CRPWM inverter 12 in series before the AC radial active magnetic bearing system 13 to form a compound controlled object 1, such as figure 1 shown. The compound plant 1 starts with {i x ,i y}Two control current signals are taken as input, and the radial displacement x and y of the rotor are taken as output.
[0023] 2. Based on the levitation operation principle of the AC radial active magnetic bearing, establish the mathematical model of the non-AC radial active magnetic bearing system 13, and obtain the mathematical model of the composite controlled object 1 through the Clark inverse converter 11 and the CRPWM inverter 12 model, analyze the reversibility of the mathematical model, and prove that the mathematical model is reversible, that is, there is an inverse model.
[0024] 3. Adopt a support vector machine 21 with 6 input nodes, 2 o...
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