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Aiming at the problem of multi-DOF bionic drive, a new type of hybrid driven permanent magnet multi-DOF motor with liquid suspension mode is presented in this paper. The structure and working principle of the motor are introduced in detail. The analytical method and the finite element method are used to analyze the air gap magnetic field, and the results are compared and verified. In addition, the...
This paper compares three high aspect ratio axial field topologies for traction applications employing soft magnetic composite (SMC). The paper examines the following topologies using finite element (FE) method: a torus, a yokeless and segmented armature (YASA), and a single-sided configuration. All the machines are designed to the same specification for a light electric vehicle, and the FE simulations...
This paper proposes a new six degrees-of-freedom (6-DOF) electromagnetic precision positioner, made of a hybrid mechanism utilizing both a magnetic driving force and the uplifting force of the fluid, for which a new structure, the electromagnetic actuator, and an effective controller have been developed. The concept of the mechanism design involves not only the magnetic driving mechanism, but also...
In this paper Birdcage and TEM coils operating at 128 MHz have been studied and compared in terms of their interaction with pacemaker holders. The pacemaker (PM) has been simulated as a copper box with a catheter constituted by an insulated copper wire with an uncapped tip and it has been placed inside a box model of the thorax. Electromagnetic and thermal simulations have been performed by using...
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