Adaptive fuzzy tracking control for the chaotic permanent magnet synchronous motor drive system via backstep**

J Yu, B Chen, H Yu, J Gao - Nonlinear Analysis: Real World Applications, 2011‏ - Elsevier
An adaptive fuzzy control method is developed to suppress chaos in the permanent magnet
synchronous motor drive system via backstep** technology. Fuzzy logic systems are used …

Nonlinear chaos control in a permanent magnet reluctance machine

AM Harb - Chaos, Solitons & Fractals, 2004‏ - Elsevier
The dynamics of a permanent magnet synchronous machine (PMSM) is analyzed. The study
shows that under certain conditions the PMSM is experiencing chaotic behavior. To control …

Nonlinear control of permanent magnet stepper motors

AM Harb, AA Zaher - Communications in nonlinear science and numerical …, 2004‏ - Elsevier
The nonlinear dynamics of a permanent magnet stepper motor is studied by means of
modern nonlinear theories such as bifurcation and chaos. A three-phase stepper motor is …

Chaos control of third-order phase-locked loops using backstep** nonlinear controller

AM Harb, BA Harb - Chaos, Solitons & Fractals, 2004‏ - Elsevier
Previous study showed that a third-order phase-locked loop (PLL) with sinusoidal phase
detector characteristics experienced a Hopf bifurcation point as well as chaotic behavior. As …

Recursive backstep** control of chaotic Duffing oscillators

AM Harb, AA Zaher, AA Al-Qaisia, MA Zohdy - Chaos, Solitons & Fractals, 2007‏ - Elsevier
In this paper, the dynamics of a forced Duffing oscillator is studied by means of modern
nonlinear, bifurcation and chaos theories and shows that the system is ultimately …

A nonlinear controller design for permanent magnet motors using a synchronization-based technique inspired from the Lorenz system

AA Zaher - Chaos: An Interdisciplinary Journal of Nonlinear …, 2008‏ - pubs.aip.org
The dynamic behavior of a permanent magnet synchronous machine (PMSM) is analyzed.
Nominal and special operating conditions are explored to show that the PMSM can …

Robust adaptive fuzzy control of chaos in the permanent magnet synchronous motor

J Yu, J Gao, Y Ma, H Yu, S Pan - Discrete Dynamics in Nature …, 2010‏ - Wiley Online Library
An adaptive fuzzy control method is developed to control chaos in the permanent magnet
synchronous motor drive system via backstep**. Fuzzy logic systems are used to …

Nonlinear control of chaotic forced Duffing and van der pol oscillators

M Alghassab, A Mahmoud, MA Zohdy - International Journal of Modern …, 2017‏ - scirp.org
This paper discusses a novel technique and implementation to perform nonlinear control for
two different forced model state oscillators and actuators. The paper starts by discussing the …

Nonlinear control of systems with multiple equilibria and unknown sinusoidal disturbance

AA Zaher - Communications in Nonlinear Science and Numerical …, 2007‏ - Elsevier
In this paper, nonlinear systems having multiple equilibrium points and low order dynamics
are investigated. Roll motions of ships are studied by means of modern nonlinear …

Chaos control using fuzzy controllers (Mamdani model)

AM Harb, I Al-Smadi - Integration of Fuzzy Logic and Chaos Theory, 2006‏ - Springer
Controlling a strange attractor, or say, a chaotic attractor, is introduced in this chapter.
Because of the importance to control the undesirable behavior in systems, researchers are …