Results 11 to 20 of about 117,697,012 (350)

Optimal control of nonlinear systems with input constraints using linear time varying approximations [PDF]

open access: yesNonlinear Analysis, 2016
We propose a new method to solve input constrained optimal control problems for autonomous nonlinear systems affine in control. We then extend the method to compute the bang-bang control solutions under the symmetric control constraints.
Mehmet Itik
doaj   +2 more sources

Nonlinear analysis and control of chemical reactors [PDF]

open access: yes, 1997
This thesis carries out a detailed study of a nonlinear spectral theory that is useful for modeling and controlling chemical reactors. The motivation for this work originates from a few reports which have demonstrated in the past that the nonlinear ...
Samardzjia, Nikola
core   +7 more sources

Synchronisation of multiple neural networks via event‐triggered time‐varying delay hybrid impulsive control

open access: yesIET Control Theory & Applications, 2021
This article discusses the exponential synchronisation problem for multiple neural networks with time‐varying delay and a more general non‐Laplacian coupling matrix is considered.
Xiaoli Ruan   +4 more
doaj   +1 more source

Experimental study on a robust interaction control with unknown environments

open access: yesElectronics Letters, 2021
The non‐linear bang‐bang impact control (NBBIC) had been proposed two decades ago as a promising robot interaction control to deal with free‐space motion, impact, and the constrained‐space motion without changing controller structure and gains.
Sang Hyun Park   +3 more
doaj   +1 more source

Prediction of limit cycle oscillations in piecewise linear systems with multiple piecewise nonlinearities

open access: yesIET Control Theory & Applications, 2021
Mathematical modelings of many electric and mechanical systems involve piecewise linear system. Piecewise linear system can possess a periodic solution called a limit‐cycle oscillation (LCO), which can seriously undermine the system performance ...
Yongeun Yoon, Eric N Johnson
doaj   +1 more source

Observer-Based Fuzzy Adaptive Inverse Optimal Output Feedback Control for Uncertain Nonlinear Systems

open access: yesIEEE transactions on fuzzy systems, 2021
In this article, an observer-based fuzzy adaptive inverse optimal output feedback control problem is studied for a class of nonlinear systems in strict-feedback form.
Yongming Li, Xiao Min, Shaocheng Tong
semanticscholar   +1 more source

Linear functional state bounding for positive singular systems with unbounded delay and disturbances varying within a bounded set

open access: yesIET Control Theory & Applications, 2021
In this paper, the linear functional state bounding problem, which is considered in [25], is extended to the singular system with unbounded delay.
Nguyen Huu Sau
doaj   +1 more source

Variable gain switching exact differential observer‐based compensation control for servo system with backlash

open access: yesIET Control Theory & Applications, 2021
This paper proposes a novel variable gain switching exact differential observer (SEDO) to deal with the state estimation of mechanical servo system with unknown backlash. In order to compensate unknown non‐linear backlash accurately, a switching backlash
Guofa Sun   +3 more
doaj   +1 more source

Compound matrices in systems and control theory: a tutorial [PDF]

open access: yesMCSS. Mathematics of Control, Signals and Systems, 2022
The multiplicative and additive compounds of a matrix play an important role in several fields of mathematics including geometry, multi-linear algebra, graph theory, combinatorics, and the analysis of nonlinear time-varying dynamical systems.
Eyal Bar-Shalom   +2 more
semanticscholar   +1 more source

Tracking control of a robotic system with deferred constraints and actuator faults

open access: yesIET Control Theory & Applications, 2021
This paper proposes an adaptive sliding mode tracking control for a robotic manipulator to guarantee a deferred performance under input non‐linearities and external perturbations.
Yu Zhang   +4 more
doaj   +1 more source

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