IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY

Aim. Improving of accuracy parameters and reducing of sensitivity to changes of plant parameters of nonlinear robust electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapons based on multiobjective synthesis. Methodology. The method of multicriterion synthesis...

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Autores principales:	B. I. Kuznetsov, T. B. Nikitina, V. V. Kolomiets, I. V. Bovdyj
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Technical University "Kharkiv Polytechnic Institute" 2018
Materias:	electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapon nonlinear robust system multiobjective synthesis dynamic characteristics Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/cebf9a3cec294e3cb81204340510b290
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spelling	oai:doaj.org-article:cebf9a3cec294e3cb81204340510b2902021-12-02T17:55:57ZIMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY10.20998/2074-272X.2018.6.042074-272X2309-3404https://doaj.org/article/cebf9a3cec294e3cb81204340510b2902018-12-01T00:00:00Zhttp://eie.khpi.edu.ua/article/view/2074-272X.2018.6.04/149828https://doaj.org/toc/2074-272Xhttps://doaj.org/toc/2309-3404Aim. Improving of accuracy parameters and reducing of sensitivity to changes of plant parameters of nonlinear robust electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapons based on multiobjective synthesis. Methodology. The method of multicriterion synthesis of nonlinear robust controllers for controlling by nonlinear multimass electromechanical servo systems with parametric uncertainty based on the choice of the target vector of robust control 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 electromechanical servo system for the guidance and stabilization of lightly armored vehicle weapons are presented. Comparison of the dynamic characteristics of the synthesized servo electromechanical system 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 electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapons. 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 servo electromechanical system, which allows improving the dynamic characteristics and reducing the sensitivity of the system to plant parameters changing in comparison with the existing system.B. I. KuznetsovT. B. NikitinaV. V. KolomietsI. V. BovdyjNational Technical University "Kharkiv Polytechnic Institute"articleelectromechanical servo systems of guidance and stabilization of lightly armored vehicle weaponnonlinear robust systemmultiobjective synthesisdynamic characteristicsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENRUUKElectrical engineering & Electromechanics, Iss 6, Pp 33-37 (2018)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapon nonlinear robust system multiobjective synthesis dynamic characteristics Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapon nonlinear robust system multiobjective synthesis dynamic characteristics Electrical engineering. Electronics. Nuclear engineering TK1-9971 B. I. Kuznetsov T. B. Nikitina V. V. Kolomiets I. V. Bovdyj IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
description	Aim. Improving of accuracy parameters and reducing of sensitivity to changes of plant parameters of nonlinear robust electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapons based on multiobjective synthesis. Methodology. The method of multicriterion synthesis of nonlinear robust controllers for controlling by nonlinear multimass electromechanical servo systems with parametric uncertainty based on the choice of the target vector of robust control 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 electromechanical servo system for the guidance and stabilization of lightly armored vehicle weapons are presented. Comparison of the dynamic characteristics of the synthesized servo electromechanical system 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 electromechanical servo systems of guidance and stabilization of lightly armored vehicle weapons. 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 servo electromechanical system, which allows improving the dynamic characteristics and reducing the sensitivity of the system to plant parameters changing in comparison with the existing system.
format	article
author	B. I. Kuznetsov T. B. Nikitina V. V. Kolomiets I. V. Bovdyj
author_facet	B. I. Kuznetsov T. B. Nikitina V. V. Kolomiets I. V. Bovdyj
author_sort	B. I. Kuznetsov
title	IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
title_short	IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
title_full	IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
title_fullStr	IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
title_full_unstemmed	IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY
title_sort	improving of electromechanical servo systems accuracy
publisher	National Technical University "Kharkiv Polytechnic Institute"
publishDate	2018
url	https://doaj.org/article/cebf9a3cec294e3cb81204340510b290
work_keys_str_mv	AT bikuznetsov improvingofelectromechanicalservosystemsaccuracy AT tbnikitina improvingofelectromechanicalservosystemsaccuracy AT vvkolomiets improvingofelectromechanicalservosystemsaccuracy AT ivbovdyj improvingofelectromechanicalservosystemsaccuracy
_version_	1718379073668907008

IMPROVING OF ELECTROMECHANICAL SERVO SYSTEMS ACCURACY

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