Surface Magnet Gears with a New Magnet Arrangement and Optimal Shape of Stationary Pole Pieces

Fujita, Tomoyuki; Ando, Yoshinori; Nagaya, Kosuke; Oka, M.; Todaka, Takashi; Enokizono, Masato; Sugiura, Kazunobu

doi:10.4236/jemaa.2013.56039

Cited by 24 publications

(5 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Both modulating pole pieces are supported with Aluminum end rings to prevent magnetic flux leakage in the axial direction and short circuit of the pole pieces. This is to reduce loss of transmission torque and improve efficiency which is consistent with the findings reported in a study [15].…”

Section: Mechanical Structuresupporting

confidence: 90%

Power Characteristics Analysis of a Novel Double-Stator Magnetic Geared Permanent Magnet Generator

et al. 2017

View full text Add to dashboard Cite

This paper presents the design, fabrication and experimental power analysis of a novel double-stator magnetic geared permanent magnet (DSMGPM) machine which comprises of a doublestator permanent-magnet (PM) machine integrated a with triple rotor magnetic gear. The proposed machine can upscale the low-speed rotating magnetic field of the prime PMs on the prime rotor by using the modulation effect produced from the pole-pieces to high-speed rotating magnetic field from the field PMs. The low-speed prime rotor can also increase the speed of the field PM rotor and excite the coil windings to induce an electromotive force (EMF) resulting in electrical power. Thus, the machine is proposed for power generation in low-speed renewable energy applications such as wind turbines and tidal power generators. The proposed machine topology is presented and discussed while the performance power characteristics are evaluated experimentally. A prototype is fabricated and the measured results are in good agreement with the calculated results, therefore validating the proposed magnetic geared machine design.

show abstract

Section: Mechanical Structuresupporting

confidence: 90%

Power Characteristics Analysis of a Novel Double-Stator Magnetic Geared Permanent Magnet Generator

et al. 2017

View full text Add to dashboard Cite

show abstract

“…As an alternative, an IPE beam-like shape is also considered (type IV and V), obtained by removing some material at the middle sides of the section without detriment to the MRSP robustness and to the magnetic operating point. The convenience of this shape for the torque transmission capability was already verified for the CMGs [25].…”

Section: Optimization Of the Mrsp Cross-sectionmentioning

confidence: 71%

Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications

2021

View full text Add to dashboard Cite

This paper discusses some design issues of a magnetic rotating to linear motion converter (RLMC), suitable for the propulsion system of a short-distance low-capacity vehicle. It basically operates like a magnetic rack, which executes the contactless conversion of the motor torque into a propulsion thrust, deriving from the interaction of on-board permanent magnet (PM) modules and stationary ferromagnetic steel pieces. A design procedure is set up that deals with both the PM module arrangement and the geometric shape of the steel pieces to optimize different performance aspects. A simplified modeling based on 2D transient finite element analyses is carried out to determine the thrust profile and the RLMC losses, which are essential to assess its practical feasibility. Finally, the characteristics as functions of the load angle and speed are determined to enable the prediction of the dynamic power exchange and then of the net energy demand useful to size the on-board source.

show abstract

“…In the designing, there is still a large difference between the measured and analyzed results [2] [3]. As one of the causes, we can point out that the actual movement of the magnetic gear has not been reproduced.…”

Section: Introductionmentioning

confidence: 93%

Study on Force-Transmissibility of a Magnetic Gear by Using 3-D Boundary Element Analysis

Oka

Todaka

Enokizono

2014

MSF

View full text Add to dashboard Cite

This paper presents three-dimensional boundary element analysis for coupled magnetic field and moving problem. The method is applied to improve transmission characteristics of a magnetic gear and the usefulness is demonstrated. The gear has two movers consisting of permanent magnets and they rotate with different velocity. The double gap moving problem is very time consuming, because the mesh has to be regenerated at each time step or prepared many patterns previously. The use of the boundary element method is suitable for this problem, because meshes are required around only surfaces of considering objects and the objects can be rotated any angle according to the moving simulation. In this paper, the technique to reduce unknown variables in the boundary element equations utilizing symmetrical construction is proposed.

show abstract

Surface Magnet Gears with a New Magnet Arrangement and Optimal Shape of Stationary Pole Pieces

Cited by 24 publications

References 7 publications

Power Characteristics Analysis of a Novel Double-Stator Magnetic Geared Permanent Magnet Generator

Power Characteristics Analysis of a Novel Double-Stator Magnetic Geared Permanent Magnet Generator

Design Issues of a Rotating to Linear Motion Magnetic Converter for Short-Distance Transport Applications

Study on Force-Transmissibility of a Magnetic Gear by Using 3-D Boundary Element Analysis

Contact Info

Product

Resources

About