A Study of the Iron-Core Solenoid Analysis for 3 D.O.F. Motor Control with Experimental Method

- Journal title : Transactions of the Korean Society of Mechanical Engineers A
- Volume 25, Issue 9, 2001, pp.1334-1340
- Publisher : The Korean Society of Mechanical Engineers
- DOI : 10.22634/KSME-A.2001.25.9.1334

Title & Authors

A Study of the Iron-Core Solenoid Analysis for 3 D.O.F. Motor Control with Experimental Method

Baek, Yoon-Su; Park, Joon-Hyuk;

Baek, Yoon-Su; Park, Joon-Hyuk;

Abstract

In this paper, the experimental modeling of the force between permanent magnet and iron-core solenoid is suggested for more accurate control of 3 D.O.F. motor using the electromagnetic force. In the case of iron-core solenoid, the general equation of solenoid cant be used simply because of its nonlinearity. Therefore, the magnetic flux density is estimated through the concept of equivalent permanent magnet. The force distribution between permanent magnet and iron-core solenoid is more dependent on the magnetization of iron core caused by the permanent magnet than any other parameters. Therefore, the equation of the force estimation between these magnetic systems can be modeled by the experimental function of the magnetization of iron core. Especially, if the distance between iron-core solenoid and permanent magnet is far enough, the force equation through experiment can be expressed from only the current of coil and the distance between iron-core solenoid and permanent magnet. It means that Coulombs law can be used for magnetic systems and it is validated through the experiment. Therefore, force calibration is performed by the concept of Coulombs law.

Keywords

3 D.O.F. Motor;Permanent Magnet;Iron-Core Solenoid;Equivalent Magnet;Coulombs Law;Force Distribution;

Language

Korean

Cited by

1.

광디스크 드라이브의 고속 액세스를 위한 광픽업 액추에이터 메커니즘 설계,박준혁;이상헌;백윤수;

한국정밀공학회지, 2002. vol.19. 12, pp.109-119

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