METHOD FOR ELIMINATION OF INFLUENCE OF HARMONIC PERTURBATIONS OF LOAD MOMENT IN ELECTROMECHANICAL SYSTEM Russian patent published in 2018 - IPC G05B11/01 H02P7/00 

FIELD: electronics.

SUBSTANCE: invention relates to the controls and can be used in controlling parameters of complex electromechanical systems, for example, DC and AC electric drives. In the method for eliminating the influence of harmonic perturbations of the load moment in an electromechanical system, the mathematical model of a harmonic perturbation is divided into the integral and the vibrational components. Oscillations of the load moment are additionally compensated for by an internal circuit, which is a polynomial regulator, the distortion of the transfer function of the internal circuit of the control system is eliminated by the action of the second out-of-circuit driver. When forming the transfer functions of the polynomial regulator of the internal circuit and the second out-of-circuit driver, the oscillatory component of the mathematical model of the harmonic perturbation is used, and the integral part of the mathematical model of the harmonic perturbation is taken into account in the formation of the transfer functions of the polynomial regulator of the outer circuit and the first out-of-circuit driver. Transfer functions of the system elements are configured in two stages, at the first of which, on the desired polynomial of the inner circuit, basing on the speed of 5-7 times higher than that the one set for the system as a whole, determined are the parameters of the elements of the inner circuit and the second out-of-circuit driver, and at the second stage by the given speed and the desired characteristic polynom of the system being synthesized, the transfer functions of the regulator of the external circuit and the out-of-circuit driver are formed.

EFFECT: as the result, dynamic accuracy improves, hardware and software costs are reduced along with the technical implementation of the system.

1 cl, 4 dwg