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The global supply of heavy rare earth magnets can become risky with the rocketing demand of rare earth permanent magnet (PM) machines. This paper focuses on the PM Alternating Current (AC) machines with magnet direct-reuse concept, dedicated to mild hybrid vehicle applications. The designs shall both fulfill all the requirements of the applications and the principle of simple magnet disassembly. Several...
The paper proposes an intelligent robotic system which is able to be (re)configured, at demand, for two deployment scenarios. a) The first task is to move the platform after a trajectory determined by the direction to a fixed point and avoid any obstacles occurring in the route. a) The second task is to identify and track a spherical object. The robot is equipped with a navigation system designed...
The paper presents a mobile platform that, using a single wireless camera, tracks in real-time a predefined object. For simplicity, object recognition is based on shape and color analysis in the HSV spectrum. Platform positioning towards the object is done on two planes: centering the image on the center of the object and approaching the object within a set distance interval. Platform movement is...
Permanent magnets are commonly used in electromechanical energy conversion devices, especially in permanent magnet synchronous machines (PMSM). When designing such devices, it is necessary to take account for the operating conditions of the permanent magnets. Ideally, the operating point of the magnet lies on a linear reversible demagnetization characteristic. Nevertheless, the operating conditions...
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