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In this paper, we study the detailed modeling of the magnetic needle in a nonuniform external magnetic field. Center of the magnetic needle is pivoted so that it is allowed to rotate about one axis. A magnetic needle placed in an external magnetic field has two equilibrium points, one is stable and the other is unstable. A passivity based non-linear controller is designed for nonuniform external magnetic...
In this paper, we study the design of energy based controller to control the magnetic needle at desired location. The magnetic needle is allowed rotate about one axis, in the external magnetic field by pivoting its center. Due to attraction and repulsive forces between the magnetic needle and external magnetic field, the magnetic needle will have two equilibrium points, one is stable and the other...
In this paper we consider the control of inverted magnetic needle with one degree of freedom in an uniform external magnetic field. A magnetic needle placed in an external magnetic field will have two equilibrium points, one of which is stable and, the other unstable. The tracking control performance of the magnetic needle in the unstable equilibrium point is studied in this paper. Design and tracking...
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