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On Fractional Model Reference Adaptive Control [PDF]

open access: yesThe Scientific World Journal, 2014
This paper extends the conventional Model Reference Adaptive Control systems to fractional ones based on the theory of fractional calculus. A control law and an incommensurate fractional adaptation law are designed for the fractional plant and the ...
Bao Shi, Jian Yuan, Chao Dong
doaj   +5 more sources

Robust Adaptive HCS MPPT Algorithm-Based Wind Generation System Using Model Reference Adaptive Control [PDF]

open access: yesSensors, 2021
To treat the stochastic wind nature, it is required to attain all available power from the wind energy conversion system (WECS). Therefore, several maximum power point tracking (MPPT) techniques are utilized.
Ziyad A. Alrowaili   +7 more
doaj   +2 more sources

Predictor-Based Model Reference Adaptive Control [PDF]

open access: yesAIAA Guidance, Navigation, and Control Conference, 2009
This paper is devoted to robust, Predictor-based Model Reference Adaptive Control (PMRAC) design. The proposed adaptive system is compared with the now-classical Model Reference Adaptive Control (MRAC) architecture. Simulation examples are presented.
Eugene Lavretsky   +2 more
openaire   +4 more sources

DC motor control using model reference adaptive control

open access: yesYanbu Journal of Engineering and Science, 2023
Despite having higher maintenance costs than AC motors, DC motors had been widely employed in the industry due to their outstanding speed control capabilities. This employment increased due to the DC output of some renewable sources recently.
Mohamed I. Mosaad
doaj   +2 more sources

Adaptive control of ROVs with actuator dynamics and saturation [PDF]

open access: yesModeling, Identification and Control, 1992
A direct model reference adaptive controller (MRAC) is derived for an underwater vehicle with significant thruster dynamics and limited thruster power. The reference model decomposition (RMD) technique is used to compensate for the thruster dynamics.
Ola-Erik Fjellstad   +2 more
doaj   +1 more source

Adaptive Control of M3C-Based Variable Speed Drive for Multiple Permanent-Magnet-Synchronous-Motor-Driven Centrifugal Pumps

open access: yesMachines, 2023
There has been growing interest in using permanent magnet synchronous motors (PMSMs) for pumping applications to improve energy efficiency. One promising approach for powering these motors in variable speed applications is using an M3C due to its ...
Rodrigo Mendoza-Becker   +2 more
doaj   +1 more source

High-Tracking-Precision Sensorless Control of PMSM System Based on Fractional Order Model Reference Adaptation

open access: yesFractal and Fractional, 2022
In order to solve parameter fluctuations and disturbances, a novel fractional order model reference adaptive speed observer that estimates the rotor position and the angular velocity from the stator currents is proposed for sensorless control of ...
Hongjie Niu   +3 more
doaj   +1 more source

Model Reference Adaptive Control in Fuzzy-Based Context-Aware Middleware [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2013
Owing to the dynamic characteristics of mobile environments, a mobile application needs to adapt to changing contexts to improve performance and resource utilization.
Ronnie Cheung   +2 more
doaj   +1 more source

A model reference adaptive variable impedance control method for robot [PDF]

open access: yesMATEC Web of Conferences, 2021
As a simple and effective force tracking control method, impedance control is widely used in robot contact operations. The internal control parameters of traditional impedance control are constant and cannot be corrected in real time, which will lead to ...
Sun Xinchao, Zhao Lianyu, Liu Zhenzhong
doaj   +1 more source

Robust Model Reference Adaptive Control for Tail-Sitter VTOL Aircraft

open access: yesActuators, 2021
This study presents a control design of roll motion for a vertical take-off and landing unmanned air vehicle (VTOL-UAV) design based on the Model Reference Adaptive Control (MRAC) scheme in the hovering flight phase.
Ahmed R. Ajel   +3 more
doaj   +1 more source

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