Feedback Linearizing Field-Oriented Control of Induction Generator: Theory and Experiments

Peresada, S.; Kovbasa, S.; Korol, Sergey; Zhelinskyi, N.

doi:10.15407/techned2017.02.048

Cited by 16 publications

(10 citation statements)

References 8 publications

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“…The regulation system uses gauges of thickness, tension and speed of movement of the rolled strip at the inlet and outlet of the rolling mill, as well as in the interclearances [15][16][17][18].…”

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

“…Fluctuations of the rolling mill rolls due to the presence of elastic elements (natural vibrations) have a decisive influence on the quality of the rolled products and are referred to as «vibrations». At the same time, in rolling mills, the frequencies of natural vibrations are in the range of 10-70 Hz [16][17][18].…”

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

“…In the vector control by synchronous drives in most control systems, an algorithm for direct control of the motor torque is implemented [16]. Moreover, according to the majority of manufacturers of frequency converters, the rise time of the moment does not exceed 2 ms.…”

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

“…Let us consider the mathematical models of individual main drives in the form of two-mass and threemass electromechanical systems [16]. The mathematical model of the main electric drive, the motor is located closer to the rolling stand, takes into account two concentrated moments of inertia of the motor rotor and the rolling roll connected by an elastic shaft.…”

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

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Structural-Parametric Synthesis of Rolling Mills Multi-Motor Electric Drives

Kuznetsov

Nikitina

Bovdui

2020

Electrical Engineering &Amp; Electromechanics

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Aim. Improving of control accuracy by rolling strip thickness and tension and reducing of sensitivity to changes of plant parameters based on structural-parametric synthesis of robust control by rolling mills multi-motor electric drives with parametric uncertainty. Methodology. The method of structural-parametric synthesis of robust control by rolling mills multi-motor electric drives with parametric uncertainty which improves control accuracy by rolling strip thickness and tension and reducing of sensitivity to changes of plant parameters is developed. The method based on the multi-criteria game decision in which payoff vectors are dispersions of longitudinal thickness and tension of the rolled. The calculation of the payoff vector associated with modeling of the synthesized system with different input signals and for various values of the plant parameters for various modes of operation of the system. The multi criterion game solution is calculated based on particles multiswarm optimization algorithms. Results. The results of the structural-parametric synthesis of robust control by 740 three-stand cold rolling mills multi-motor electric drives are presented. Comparisons of the strip thickness and tension accuracy of the synthesized robust system with the existing system are completed. It is showed that the use of synthesized robust controllers allowed to improve strip thickness and tension accuracy and reduce the sensitivity of the system to changes of plant parameters in comparison with the existing system. Originality. For the first time the method of structural-parametric synthesis of robust control by rolling mills multi-motor electric drives with parametric uncertainty based on multi-criteria game decision and particles multiswarm optimization algorithms to improve the control accuracy by rolling strip thickness and tension and to reduce of sensitivity to changes of plant parameters is developed. Practical value. Practical recommendations on reasonable choice of the structure and parameters of robust control by 740 three-stand cold rolling mills multi-motor electric drives to improving of control accuracy by rolling strip thickness and tension and reducing of sensitivity to changes of plant parameters are given. References 20, figures 2.

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Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

Section: цель повышение точности регулирования толщины и натяжения пmentioning

confidence: 99%

See 2 more Smart Citations

Structural-Parametric Synthesis of Rolling Mills Multi-Motor Electric Drives

Kuznetsov

Nikitina

Bovdui

2020

Electrical Engineering &Amp; Electromechanics

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“…With direct torque control (DTC) by a synchronous motors with permanent magnets (PMSM) [13] actuator torques T AG (t), T AT (t) motion equations can be written as follows [14,15]      ;…”

Section: цель повышение параметров точности и уменьшение чувствительmentioning

confidence: 99%

Improving of Electromechanical Stabilization Systems Accuracy

Kuznetsov

Nikitina

Bovdui

et al. 2019

Elektroteh. elektromeh.

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Aim. Improving of accuracy parameters and reducing of sensitivity to changes of plant parameters for nonlinear robust tank main armament guidance and stabilization electromechanical systems based on synchronous motor with permanent magnets and vector control. Methodology. The method of multiobjective synthesis of nonlinear robust control by nonlinear tank main armament stabilization electromechanical system taking into account the elastic oscillations of the tank gun barrel as a discretecontinuous plant and with parametric uncertainty based on the multiobjective optimization. The target vector of robust control choice by solving the corresponding multicriterion nonlinear programming problem in which the calculation of the vectors of the objective function and constraints is algorithmic and associated with synthesis of nonlinear robust controllers and modeling of the synthesized system for various modes of operation of the system, with different input signals and for various values of the plant parameters. Synthesis of nonlinear robust controllers and non-linear robust observers reduces to solving the system of Hamilton-Jacobi-Isaacs equations. Results. The results of the synthesis of a nonlinear robust tank main armament guidance and stabilization electromechanical systems are presented. Comparison of the dynamic characteristics of the synthesized tank main armament stabilization electromechanical systems showed that the use of synthesized nonlinear robust controllers allowed to improve the accuracy parameters and reduce the sensitivity of the system to changes of plant parameters in comparison with the existing system. Originality. For the first time carried out the multiobjective synthesis of nonlinear robust tank main armament stabilization electromechanical systems. Practical value. Practical recommendations are given on reasonable choice of the gain matrix for the nonlinear feedbacks of the regulator and the nonlinear observer of the tank main armament stabilization electromechanical systems, which allows improving the dynamic characteristics and reducing the sensitivity of the system to plant parameters changing in comparison with the existing system. References 24, figures 1.

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