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Exploitation of the renewable energy is expected one of the most effective expedient to reduce of green house gas emissions, principally CO2. In this context, small-sized hydraulic power generation is considered one effective method because of its potential energy amount. However, mechanical bearing which support the rotor shaft causes rotational loss and durability limitation. For the purpose of...
In this paper, first we present the structure and fabrication of a new linear actuator made of Soft Magnetic Composite material with mechanical springs. Next we study the simulation model of the linear actuator, and the simulation result is given and compared with the experimental result. The calculated result corresponds with the measured one well.
In the present study, the compressive failure mechanism of quasi-isotropic composite laminates with an open hole was experimentally and numerically studied to explain the mechanical meaning of the open hole compression (OHC) strength. In the experiment, we adopted a fixture for the OHC test method proposed by the National Aerospace Laboratory (NAL III). Two types of composite systems were tested to...
A PWM inverter fed linear permanent magnet motor is analyzed by using MATLAB/Simulink coupled with the finite element method, which is fully integrated into a drive system. An axial symmetric FEM code is developed considering permanent magnet and eddy current in order to couple with MATLAB/Simulink. The stator current, thrust and displacement of the motor drive system are analyzed
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