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Saad Chahba, Guillaume Krebs, Cristina Morel, Rabia Sehab and Ahmad Akrad
The electric urban air mobility sector has gained significant attraction in public debates, particularly with the proliferation of announcements demonstrating new aerial vehicles and the infrastructure that goes with them. In this context, the developmen...
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Vijaya Kumar Jonnalagadda, Narasimhulu Tammminana, Raja Rao Guntu and Surender Reddy Salkuti
This paper proposes a NCPM (Nano-composite coated permanent magnets)-based IPMSM (Interior Permanent Magnet Synchronous Motor) electric drive system, especially applicable for electric vehicles (EV). For an EV, an increase in the ?T/A (torque per ampere)...
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Marian Grigoras, Mihaela Lostun, George Stoian, Gabriel Ababei, Marieta Porcescu and Nicoleta Lupu
a?-Fe16N2 materials are of increasing interest for their applications in products such as rare earth-free permanent magnets. The lack of a method of mass production for powders as raw materials delays the preparation of such magnets. Through employing th...
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Vladimir Dmitrievskii, Vadim Kazakbaev and Vladimir Prakht
Due to the high cost and the predicted shortage of rare earth elements in the near future, the task of developing energy-efficient electric machines without rare earth magnets is of great importance. This article presents a comparative analysis of optimi...
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Craig P O?Connell, Julia Crews, Andre King and Juliet Gressle
Although exceedingly rare, shark attacks have a disproportionately large impact on human behavior, often resulting in shark culls. Due to the invasive nature of shark culls, innovating and testing non-invasive deterrent technologies that may minimize the...
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Ke Li, Xuan Meng and Xiaodong Sun
In recent years, electric vehicles have developed rapidly. However, many electric cars are equipped with permanent magnet synchronous motors. Permanent magnet synchronous motors have several disadvantages: For example, permanent magnets tend to demagneti...
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Stefano Carletta, Augusto Nascetti, Sagar S. Gosikere Matadha, Lorenzo Iannascoli, Thiago Baratto de Albuquerque, Nithin Maipan Davis, Luigi Schirone, Gabriele Impresario, Simone Pirrotta and John R. Brucato
AstroBio CubeSat is a mission funded by the Italian Space Agency aimed at validating novel lab-on-chip technology, that would enable the use of micro- and nanosatellites as autonomous orbiting laboratories for research in astrobiology. This 3U CubeSat is...
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Jinji Sun, Jianyi Ren, Yun Le and Hanmou Wang
Hollow-cup motors are usually used in spacecraft because of their low power consumption and high control accuracy. However, because the air-gap between the permanent magnets (PMs) and the rotor of the hollow-cup motor is uniform, the sinusoidal character...
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Sungwoo Chang, Noboru Niguchi, Je-Hoon Lee and Katsuhiro Hirata
In electric motors, the use of rare-earth magnets has been increasing rapidly. A stronger magnet force of the magnet enables the motor?s higher performance, resulting in the most high-performance motors generally using rare-earth magnets. However, these ...
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Edward Rokicki, Radoslaw Przysowa, Jerzy Kotkowski and Pawel Majewski
Magnetic sensors are widely used in aeroengines and their health management systems, but they are rarely installed in the engine hot section due to the loss of magnetic properties by permanent magnets with increasing temperature. The paper presents and v...
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