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In this paper, a robust field-weakening control strategy for IPMSM drives is proposed to achieve fast response and minimum copper loss. First, the classification of three operation regions for positive speed operation is adopted. It is seen that current limit and voltage limit will affect the maximum torque capability and minimum copper loss operation. Second, in order to achieve minimum copper loss...
Multiphase machines have higher reliability than 3-phase machines. In order to produce smooth torque after one or more phases are open circuit, the stator magnetic motive force (MMF) is kept unchanged. This paper presents fault-tolerant current control strategies of a concentrated winding multiphase machine under open-circuited fault conditions. In a concentrated winding multiphase machine, other...
This paper presents the methodology to design an optimal speed controller (total losses minimization) of an IPMSM for traction applications. IPMSMs have high efficiency, however to exploit that efficiency it is required to design an optimal control, with the capability to accurately calculate and command the current components for the whole range. The speed controller is optimized by calculating the...
This paper describes a way to find optimum currents to control a permanent magnet synchronous machine (PMSM) using neural methods. Here the aim is to minimize torque and speed undulations but the proposed method enter in the global problematic of current compensation. Many excellent authors have already written articles on this matter, this one adds a new contribution with the advantage of being flexible...
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