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This paper investigates the maximum torque per Ampere (MTPA) control of switched reluctance motor (SRM) via optimization of the current waveform. The MTPA problem is redefined using the SRM model and a generic current profile. Theoretical derivation of the optimal current excitation is presented. Finite element simulations are conducted to validate the optimal current waveforms which are obtained...
Computational modeling of cardiac electrophysiology is a powerful tool for studying arrhythmia mechanisms. In particular, cardiac models are useful for gaining insights into experimental studies, and in the foreseeable future they will be used by clinicians to improve therapy for the patients suffering from complex arrhythmias. Such models are highly intricate, both in their geometric structure and...
This paper presents a dual-mode power control strategy for a dual power flow (DPF) wind power generation system (WPGS). When the wind power is below the rated value, two maximum power point tracking (MPPT) methods, namely speed feedback control and torque feedback control, are adopted and compared. On the other hand, when the wind power is above the rated value, the power control would be taken and...
In this paper, according to the characteristic of AC-excited variable speed constant frequency wind turbine generation, stator voltage orientation vector control strategy is adopted in double-fed induction generator (DFIG). Firstly, the paper studies the running characters of DFIG, and the principle of DFIG under no-load cutting-in condition. Then according to the mathematical model of DFIG under...
Motor and its control technology is one of main components of Hybrid Electric Vehicles (HEV). To meet the fast torque response demands of HEV, rotor flux-oriented based vector control algorithm with simulation model is concerned and modular design for hardware and software of controller is present in the paper. Series of anti-jamming and vibration isolation measurements are taken especially to ensure...
The more redundant motor is a class of special motors, which is developed to enhance reliability of motors in some safety critical applications. This paper introduces a novel tri-redundant brushless DC motor (BLDCM), which is equipped with double stators and a cup-rotor. In this paper, key points of design are analyzed. A procedure evolved from direct approach is described in detail to explain how...
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