PMSM chaotic system neural network dynamic surface control method considering output constraints
A technology of dynamic surface control and neural network, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as not comprehensive consideration
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[0107] Embodiment 1: as Figure 1-Figure 5 As shown, a PMSM chaotic system neural network dynamic surface control method considering output constraints, the method includes the following steps:
[0108] (1) Establish the nominal dynamic model of the permanent magnet synchronous motor system:
[0109] The dynamic equation of the surface permanent magnet synchronous motor is expressed in the d-q coordinate system as
[0110]
[0111] In the formula: with Indicates d-axis and q-axis current, with Denotes d-axis and q-axis voltage as system input, L, R, ψ r , B, J and n p Represent inductance, rotor angular velocity, stator resistance, load torque, flux linkage, viscous friction coefficient, rotor moment of inertia and magnetic pole pair, simplify formula (1), and select n p = 1,x 1 =ω,x 2 = i q , x 3 = i d , then (1) can be simplified as:
[0112]
[0113] In the formula: σ 1 =BL / (JR),σ 2 =-n p ψ r2 / (BR) where x 1 = ω,x 2 = i q ,x 3 = i d ...
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