New advances in H∞ control and filtering for nonlinear systems

The main objective of this special issue is to summarise recent advances in H∞ control and filtering for nonlinear systems, including time-delay, hybrid and stochastic systems. The published papers provide new ideas and approaches, clearly indicating the advances made in problem statements, methodologies or applications with respect to the existing results. The special issue also includes papers focusing on advanced and non-traditional methods and presenting considerable novelties in theoretical background or experimental setup. Some papers present applications to newly emerging fields, such as network-based control and estimation

Robust tracking design for uncertain MIMO systems using proportional–integral controller of order v

AbstractThis paper provides a systematic method to design robust tracking controllers of reference signals with bounded derivatives of order ν for uncertain multi‐input multi‐output (MIMO) systems with bounded parametric uncertainties, in particular, of rational multi‐affine type, and/or in presence of disturbances with bounded derivatives of order ν. The proposed controllers have state‐feedback structures combined with proportional–integral regulators of order ν (PIν). Theoretical tools and systematic methodologies are provided to effectively design robust controllers for the considered systems, also in case of additional bounded nonlinearities and/or not directly measurable states. Applicability and efficiency of the proposed methods are validated through three examples: the first one is theoretical and useful to validate the proposed methodology, the second case study presents a metal‐cutting problem for an industrial robot, and the third example deals with a composite robot, such as a milling machine

Konflikt oder Review zwei Ansätze für Labors in angewandter Informationssicherheit

Zusammenfassung: Bei der Ausbildung in Informationssicherheit spielen Lehrveranstaltungen zu angewandten Aspekten eine wichige Rolle. Das in Vorlesungen angeeignete Konzeptwissen kann im Rahmen einer praktischen Lehrveranstaltung umgesetzt, vertieft und erweitert werde

A Robust Tracking Method for MIMO Uncertain Discrete-Time Systems: Mechatronic Applications

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Обзор монографии «Компьютеры. Вихри. Резонансы. Волновая теория взаимодействия структур и систем. Часть 2»

The second part of monograph presents main aspects of the creating by the author information-wave theory of structures and systems interaction. If in the first part it is stated the general statement of the interaction problem, in this work the characteristics of separate structures and systems are analyzed, as well as their classification is realized. In monograph it is described a vortex-wave and structure resonance phenomena, discovered by the author and his employees at the investigation of interaction of waves, vortexes and structures of different nature.В монографии излагаются основные аспекты создаваемой автором информационно-волновой теории взаимодействия структур и систем. Если в первой части изложена общая постановка задачи взаимодействия, то в настоящей работе анализируются свойства отдельных структур и систем, а также осуществлена их классификация. Описано явление вихре-волнового и структурного резонанса, открытого автором и его сотрудниками при исследовании взаимодействия волн, вихрей и структур различной природы

Комплексный степенной многочлен как источник катастроф

In work [1, p.9], for approximation of occasions, preceding the catastrophe, is offered following function from a time: I(t)=A+B(tc–t)?[1+Ccos(?log(tc–t)–?)]. Complexification of this formula and change of variable allowed to open degree essence of presented approximation and define a linear differential equation, which decision is it.В работe [1, c.9], для аппроксимации событий, предшествующих катастрофе, предложена следующая функция от времени: I(t)=A+B(tc–t)?[1+Ccos(?log(tc–t)–?)]. Комплексификация этой формулы и замена переменных позволили вскрыть степенную сущность представленной аппроксимации и определить линейное дифференциальное уравнение, решением которого она является