Results 21 to 30 of about 48,578 (287)

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

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

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

Virtual tracking control of underwater vehicles based on error injection and adaptive gain

open access: yesIET Control Theory & Applications, 2021
An improved virtual tracking control scheme is proposed based on error injection and adaptive gain for underwater vehicles in the presence of a large initial tracking error and external disturbances.
Xing Liu   +3 more
doaj   +1 more source

PQ Theory of SAP Filter in Photovoltaic System Connected to Three-Phase Grid and Controlled Nonlinear

open access: yesE3S Web of Conferences, 2022
Currently, we are trying to improve electrical energy in the world. In practice, the use of switching devices is increased in the various applications. Non-linearity of loads has adverse effects on energy efficiency, power factor, etc. This increases the reactive power and oversizes the devices of the electrical installation.
A. Kabba   +3 more
openaire   +2 more sources

Saturated adaptive barrier sliding mode control with state‐dependent uncertainty limit

open access: yesIET Control Theory & Applications, 2021
This paper proposed a saturated adaptive barrier sliding mode control (SABSMC) for disturbed systems with parameter uncertainty, external disturbance, and input saturation.
Haifeng Ma   +4 more
doaj   +1 more source

A Covariance Feedback Approach to Covariance Control of Nonlinear Stochastic Systems

open access: yesComplexity, 2020
In this paper, the covariance control algorithm for nonlinear stochastic systems using covariance feedback is studied. Covariance control of nonlinear systems scenario involves the theory of covariance control based on the idea of the covariance feedback.
Salman Baroumand   +2 more
doaj   +1 more source

Preview repetitive control with equivalent input disturbance for continuous‐time linear systems

open access: yesIET Control Theory & Applications, 2022
This paper investigates the problem of preview repetitive control with equivalent‐input‐disturbance for a class of continuous‐time linear systems in the presence of unknown external disturbances.
Yong‐Hong Lan   +2 more
doaj   +1 more source

A new fault tolerant control scheme for non‐linear systems by T‐S fuzzy model approach

open access: yesIET Control Theory & Applications, 2021
This paper is concerned with the problem of fault tolerant control for non‐linear systems with sensor faults based on the T‐S fuzzy model approach. First, a fault estimation (FE) observer with L∞ technique is designed to estimate the fault.
Yue Wu   +3 more
doaj   +1 more source

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