Magnetic Levitation of Iron Sphere Using Analog Pd Controller

Ali, Khalid Abdelhafiz; Abdelati, Mohammed

doi:10.1063/1.3106495

Cited by 4 publications

(4 citation statements)

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“…The critical challenge for magnetic levitation systems is their dependence on the ferromagnetic properties of the materials used. Conventional magnetic levitation techniques are heavily reliant on the use of ferromagnetic materials, such as iron, to facilitate stable suspension for extended periods of time [6][7][8]. While there has been some research associated with the stable levitation of non-ferromagnetic materials such as aluminum [9,10], there is significant scope for growth for the stable levitation of non-magnetic materials.…”

Section: Introductionmentioning

confidence: 99%

Experimental Implementation of a Magnetic Levitation System for Laser-Directed Energy Deposition via Powder Feeding Additive Manufacturing Applications

et al. 2023

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Magnetic levitation and additive manufacturing (AM) are two fields of significant interest in academic research. The use of non-contact forces for magnetic levitation techniques provides opportunities for adoption within the AM environment. The key goal of this article is to experimentally validate the implementation of a magnetic levitation system for Laser-Directed Energy Deposition via Powder Feeding (LDED-PF) Additive Manufacturing applications. Through simulations (conducted in ANSYS Maxwell) and experimental implementation, the levitation system’s stability is tested under a variety of different conditions. The experimental implementation highlights the feasibility of a magnetic levitation system for LDED-PF applications. The levitation system developed is capable of the suspension of non-magnetic materials. The system is also able to maintain stable levitation for extended periods of time. The incorporation of the levitation system into the AM environment may result in an increased maneuverability of non-clamped structures for AM deposition operations.

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Section: Introductionmentioning

confidence: 99%

Experimental Implementation of a Magnetic Levitation System for Laser-Directed Energy Deposition via Powder Feeding Additive Manufacturing Applications

et al. 2023

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“…Eng. Khalid Abdelhafiz Ali studied a magnetic levitation system [10] of iron sphere using analog PD controller. Apart from PID controller, several researchers have been used Fuzzy logic control with PID control or other controller alone.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Control of a Magnetic Levitation System Using an Analog Controller

Rasid¹,

Hossain²,

Hoque³

et al. 2019

Acta electron. Malays.

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This paper presents the modeling and control the position of the ferromagnetic ball in a controlled environment using analog controller where the current is varied in the electromagnet to keep the stable position of the ball. Generally, open loop magnetic levitation system is unstable non-linear system. Also, external disturbances are acting on the system making the control is very complex. First, analog controller based magnetic suspension system model is built to represent the dynamic behavior between the current of the electromagnetic coil and position of the ferromagnetic ball suspended. The model is developed using PID controller because it is the most popular industrial controller today. The PID controller is designed using pole assigned method so that pole of the designed system lies on the left half plane. The developed model is simulated using the proposed analog PID controller where step response and frequency response of the system is measured and made the system stable by tuning the proportional, integral and derivative parameter of the PID control. Then, experimental setup of the magnetic levitation system is developed and same control methodology is used to stable the position of the ferromagnetic ball as with simulation. Finally, the position of the levitated ball is suspended using the same control parameter of simulation.

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“…El estudio del sistema de levitación magnética conformado por una esfera entre dos bobinas fue mostrado por primera vez en el trabajo de Okress et al [8], en el que se expone un método no convencional para calentar y fundir metales sin un crisol, mediante la suspensión de un elemento esférico en el espacio en presencia de un campo magnético. Tras el paso de los años este sistema ha sido objeto de estudio en diversos trabajos, los cuales se han enfocado en obtener modelos que describan su dinámica de forma precisa [9], empleados de manera conjunta en aplicaciones de control lineal [10,11] y no lineal [1214]. En los trabajos presentados porSuster et al [15] y Hernández et al [16], estudian este sistema teniendo en cuenta características constructivas particulares, como es el considerar una esfera levitando en un campo magnético producido por una sola bobina en posición superior, típico sistema magnético de repulsión con comportamiento inestable [12,17,18].…”

Section: Mcie Vrjgunclassified

“…10) donde L 1 es la inductancia en la bobina. Esta expresión se puede denir como la energía cinética asociada al movimiento de cargas en la bobina (Consultar la sección 2.3); a partir de aquí, se dene T 1 = E 1 , en relación a la notación empleada en el trabajo.…”

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Formalismo variacional en el modelado y control de sistemas de levitación magnética

Jara¹,

Rolando²

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In this thesis he addressed the controlled Lagrangian control technique in two magnetic levitation systems, these being the fundamental object of study. An analysis of the natural dynamics of three mechanical systems was made; a simple pendulum, two pendulums attached to a xed beam and an inverted pendulum on a cart, which served to understand from a physical-mathematical point of view the presentation of the Lagrangian formalism. This analysis in mechanical systems was the basis in the study of the natural dynamics of the magnetic levitation systems treated. A geometrical stability analysis was also carried out, both for the mechanical systems and for the magnetic levitation systems; this constitutes the rst novelty as a result of the work. The presentation of the controlled Lagrangian control technique was explained in detail, taking as an example the inverted pendulum system on the cart, to later be implemented in magnetic levitation systems. The results obtained were satisfactory, demonstrating with them that this control technique makes sense in magnetic levitation systems, until now simple. From the mathematical point of view, the establishment of a control law in these magnetic levitation systems guarantees their stability in the understanding that the controlled dynamics will be equal to the desired one.

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Magnetic Levitation of Iron Sphere Using Analog Pd Controller

Cited by 4 publications

References 1 publication

Experimental Implementation of a Magnetic Levitation System for Laser-Directed Energy Deposition via Powder Feeding Additive Manufacturing Applications

Experimental Implementation of a Magnetic Levitation System for Laser-Directed Energy Deposition via Powder Feeding Additive Manufacturing Applications

Modeling and Control of a Magnetic Levitation System Using an Analog Controller

Formalismo variacional en el modelado y control de sistemas de levitación magnética

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