Results 31 to 40 of about 160,046 (357)

A New Point of View in Multivariable Controller Tuning Under Multiobjective Optimization by Considering Nearly Optimal Solutions

open access: yesIEEE Access, 2019
In this paper, we present the adjustment of controller parameters using multiobjective optimization techniques. Unlike other works, where only the Pareto optimal solutions are considered, we also consider the set of nearly optimal solutions nondominated ...
Alberto Pajares   +3 more
doaj   +1 more source

A Modified LQG Algorithm (MLQG) for Robust Control of Nonlinear Multivariable Systems [PDF]

open access: yesModeling, Identification and Control, 1993
The original LQG algorithm is often characterized for its lack of robustness. This is because in the design of the estimator (Kalman filter) the process disturbance is assumed to be white noise. If the estimator is to give good estimates, the Kalman gain
Jens G. Balchen
doaj   +1 more source

Consensus‐based distributed control scheme for PCC voltage harmonic mitigation and enhanced power sharing in islanded microgrids

open access: yesIET Generation, Transmission & Distribution, 2021
In the islanded microgrid, it is necessary to distribute the harmonic powers correctly among generators and mitigate the voltage harmonics at the point of common coupling (PCC) for effective microgrid operation.
Minh‐Duc Pham, Hong‐Hee Lee
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

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

Coordination of multi‐agent systems with arbitrary convergence time

open access: yesIET Control Theory & Applications, 2021
This paper proposes fixed‐time solutions to several problems in multi‐agent systems. First, a fixed‐time consensus protocol is investigated and under the assumption that the lower bound of smallest positive eigenvalue of the Laplacian matrix is known in ...
Thanh Truong Nguyen   +4 more
doaj   +1 more source

Robust control of a bimorph mirror for adaptive optics system [PDF]

open access: yes, 2008
We apply robust control technics to an adaptive optics system including a dynamic model of the deformable mirror. The dynamic model of the mirror is a modification of the usual plate equation. We propose also a state-space approach to model the turbulent
Arzelier, Denis   +3 more
core   +2 more sources

Cooperative control of large flexible space structure by two planar robots

open access: yesIET Control Theory & Applications, 2021
This study discusses a cooperative control problem of a flexible beam by two planar space robots. The goal is to control the position and orientation of the flexible structure and robots, and to suppress the vibration of the flexible structure.
Yuta Kawai   +2 more
doaj   +1 more source

Second‐order adaptive integral terminal sliding mode approach to tracking control of robotic manipulators

open access: yesIET Control Theory & Applications, 2021
A second‐order adaptive integral terminal sliding mode controller is proposed for the trajectory tracking control of robotic manipulators with uncertainties.
Shuang Hao   +2 more
doaj   +1 more source

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