based on h ∞ Mixed Sensitivity Robust Control Method for Micro Gas Turbines
A micro gas turbine, mixed sensitivity technology, applied in the direction of electrical components, reducing/preventing power oscillation, single AC network with different frequencies, etc., can solve the problems of micro-grid power fluctuations, frequency fluctuations, etc., to achieve high stability and improve robustness Stickiness, the effect of overcoming the difficulty of design
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[0047] Below in conjunction with accompanying drawing, the present invention is based on H ∞ A mixed-sensitivity robust control method for a micro gas turbine is described in detail.
[0048] In this example based on H ∞ Mixed Sensitivity Robust Control Method for Micro Gas Turbines. Including the following steps:
[0049] (1) The parameter data of a certain microgrid are shown in Table 1, it can be seen that the controlled object
[0050] Table 1 parameter values
[0051]
[0052] (2) Let ω d =0.5, u max = 1000, then the parameters selected to meet the constraints are: K 1 =20,K 2 =0.001, K 3 = 0.1, A = 5, ω c=20, so the weighting functions are
[0053] (3) Solve the closed-loop system transfer function T of the generalized controlled object zw (s) are as follows:
[0054]
[0055] By boundary conditions:
[0056]
[0057] Based on the "2-Riccati" equation method to solve the micro gas turbine H ∞ Controller C hinf The transfer function K(s) of i...
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