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The capsule microrobot will play an important role in the medical application such as the minimally invasive surgery in the future. In this paper, we proposed the spherical capsule robot system driven by the external magnetic field. And then we did the finite element analysis of the electromagnetic device involved in the system using ANSYS software. In the end, to verify our analysis results and establish...
The impact force during ship-bridge collision based on quasi-static mechanics and impact dynamic are analyzed and compared. How the wave propagation and the dynamic behavior of materials influence the impact force are studied from the view-point of stress wave propagation.
Vibration is a major problem of switched reluctance motor drive system, which can cause undesirable acoustic noise. Acoustic noise is severe when the periodic excitation of the machine normal force excites a natural vibration mode of the stack. So, it is very important for making the periodic excitation frequency to avoid the natural vibration frequency of the stator. In this paper, the electromagnetic...
The stator radial vibration caused by the radial force is the main origin of vibration and acoustic noise in switched reluctance motors. Obtaining non-linear relations of the radial force with the phase current and the rotor position and the radial force waveforms are very important for the nonlinear vibration study. In this paper, non-linear static radial forces at different rotor positions and different...
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