ORCID Profile
0000-0001-7924-1488
Current Organisation
University of Wollongong
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Publisher: Institute of Physics, Polish Academy of Sciences
Date: 2018
Publisher: SAGE Publications
Date: 10-01-2020
Abstract: Controlling of a rotational inverted pendulum is considered as a challenging problem, mainly due to the system’s inherent nonlinear and unstable dynamics. In fact, the goal of this control is to maintain the pendulum vertically upward regardless of external disturbances. This paper aims to optimally design a model reference adaptive proportional integral derivative (PID) control for rotary inverted pendulum system based on a novel hybrid particle swarm optimization algorithm, combining sine cosine algorithm and levy flight distribution. Evaluation of the performance quality of the proposed adaptive controller is accomplished based on the stabilization and tracking control of rotary inverted pendulum system. In addition, two other PID controllers are designed to get a better understanding of the performance and robustness of the proposed controller. To make a complete comparison, the performance of the hybrid particle swarm optimization algorithm is examined against two other optimization techniques known as simple particle swarm optimization and whale optimization algorithm. Finally, the obtained simulation results demonstrate that the proposed optimal adaptive controller is superior to the other controllers, especially in terms of the transient response characteristics and the magnitude of control output signal.
Publisher: Elsevier BV
Date: 08-2020
Publisher: Springer Science and Business Media LLC
Date: 08-06-2017
Publisher: Elsevier BV
Date: 03-2018
Publisher: Allerton Press
Date: 07-2018
Publisher: IOP Publishing
Date: 12-2017
DOI: 10.1088/0253-6102/68/6/761
Abstract: The present paper studies the unstable nonlinear Schrödinger equations, describing the time evolution of disturbances in marginally stable or unstable media. More precisely, the unstable nonlinear Schrödinger equation and its modified form are analytically solved using two efficient distinct techniques, known as the modified Kudraysov method and the sine-Gordon expansion approach. As a result, a wide range of new exact traveling wave solutions for the unstable nonlinear Schrödinger equation and its modified form are formally obtained.
Publisher: Springer Science and Business Media LLC
Date: 29-11-2016
Publisher: Elsevier BV
Date: 12-2019
No related grants have been discovered for Elham Yazdani Bejarbaneh.