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For deadzone, parameters variations and disturbances in missile servo control system, a robust adaptive fuzzy fast terminal sliding mode controller was proposed to compensate deadzone, uncertainties and other disturbances. An adaptive fuzzy logic controller for the deadzone dynamic compensation was adopted in feedforward loop. The variations of hinge moment were identified online requiring no prior...
The speed and accuracy of harmonic current detection are the important index of active power filter. Due to the low pass filter, the traditional ip-iq algorithm has the disadvantage of slow detection speed. The paper proposes a variable step size LMS/LMF adaptive filter algorithm. The adaptive filter can not only change the step size according to the change of original signal, but also change the...
For friction, moment disturbances and parameters variations in missile servo control system, an adaptive controller with dynamic parameters estimated, nonlinear factors and disturbances compensated online was proposed. Used a dual-observers structure to estimate the immeasurable internal friction state and designed real-time update laws for dynamic parameters based on Lyapunov stability theory. The...
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