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Lisi Tian, Jin Zhao and Jiajiang Sun
This paper presents a novel position and speed estimation method for low-speed sensorless control of interior permanent-magnet synchronous machines (IPMSMs). The parameter design of the position and speed estimator is based on the sampled current rather ...
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Takeo Ishikawa and Naoto Igarashi
The detection of a precursor to the demagnetization of permanent magnets is very important because a high degree of reliability is necessary in permanent magnet synchronous motors (PMSMs). This paper investigated the diagnosis of very slight PM demagneti...
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Lei Yu, Youtong Zhang and Wenqing Huang
Abstract: In this paper, an effective method to achieve accurate and efficient torque control of an interior permanent magnet synchronous motor (IPMSM) in electric vehicles, based on low-resolution Hall-effect sensors, is proposed. The h...
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Keun-Young Yoon and Soo-Whang Baek
We propose a new replaceable rotor shape of an interior permanent magnet (IPM) motor to be used in electric water pump (EWP) systems of electric vehicles. The proposed structure can reduce the torque ripple and improve efficiency characteristics of the b...
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Guanghui Du, Guiyuan Zhang, Hui Li and Chengshuai Hu
At present, the induction motor (IM), synchronous reluctance motor (SynRM), ferrite-assisted synchronous reluctance motor (ferrite-assisted SynRM) and interior permanent magnet motor (IPM) are research hotspots, but comprehensive comparative research on ...
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Claudio Bianchini, Giovanni Franceschini and Ambra Torreggiani
This paper proposes an optimized flux weakening (FW) control strategy for interior permanent-magnet synchronous electric motor to address the critical issues that could occur under torque setpoint transition in flux weakening region, due, for example, to...
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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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