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Hybrid Permanent Magnet Flux Switching Machine (HPMFSM) is a machine that uses two permanent magnets which are Ferrite Permanent Magnet (FPM) and Rare Earth Permanent Magnet (REPM). The REPM had being implemented widely in HEV nowadays. So, HPMFSM is created in order to reduce the volume of REPM itself. Three designs had created which are PM, PMH and SMH design. PM only consist of REPM, meanwhile...
Flux switching permanent magnet (FSPM) machines are innovative brushless machines that have magnets built into the stator instead of the rotor. Numerous studies were performed comparing the operational characteristics of FSPM machines with that of traditional PM machines as well as comparing the various design configurations of FSPM machines within themselves [1], [2]. The available literature is...
In this paper we propose a multisensor switching strategy for fault tolerant control of rotor wound induction motors operating as stand alone generators. The proposed strategy combines three current sensors and associated observers that estimate the stator flux. The estimates provided by the observers are compared at each sampling time by a switching mechanism, which selects the sensors-observer pair...
This text aims to solve such problems as the large pulsation of battery electric locomotive traction motor torque at low speed, the unpredictable frequency spectrum of the torque, and the large frequency and wastage of high-speed inverter switching. Starting from space voltage vector, this text adopts the method of multiple vector synthesis and mutual switch control of motor air-gap flux according...
This paper presents a hybrid cascaded H-bridge multilevel motor drive DTC control scheme for electric (EV) or hybrid electric vehicles (HEV). The control method is based on direct torque control operating principles. The stator voltage vector reference is computed from the stator flux and torque errors imposed by the flux and torque controllers. This voltage reference is then generated using a hybrid...
For supplying adequate driven force with high operational precision in semiconductor manufacturing industry, construction of a low cost device that can be integrated with the micro-electromechanical system (MEMS) fabrication scheme has been investigated. With both the degraded material property after electroplating process and the geometric constraints of MEMS constructions being considered, magnetic...
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