Abstract

This work deals with the determination of static characteristics of electromagnetic actuator. Electromagnetic actuator is designed as drive for rectilinear locomotion structure parts of snake-like robot. Static characteristics are determined by the solving of a non-linear problem of the actuator's magnetic circuit in a ferromagnetic core's particular positions and at the different fluxional rates of the coil. Static characteristics are represented by a L induction, magnetic force affecting ferromagnetic core Fm. For the calculation of the coil induction L is used the power of magnetic field. Magnetic field power is calculated by using Maxwell stress tensor and differential formula by a numeric derivation way.

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