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This paper addresses the positioning control problem for a direct-drive linear switched reluctance machine (LSRM) system based on the vectorization technique. The stability conditions for LSRM motion control system are obtained based on Lyapunov stability theory. The positioning controller design method for the closed-loop system is given according to the matrix eigenvalue numerical analysis method...
A new type of planar switched reluctance motor (PSRM) is proposed based on the switched reluctance principle. The configuration, principle, and mathematical model of the PSRM are clarified. According to the special structure form the complex magnetic circuit characteristic of the PSRM, 3D transient electromagnetic model of the PSRM is built based on ANSOFT Maxwell/3D. Based on the built model, the...
The process of voltage drop and recovery will cause violent electromagnetic transient response of DFIG, which may lead to problems such as generator over-current or over-voltage. This paper gives a deep analysis to the electromagnetic transient response characteristics of DFIG under different grid voltage drop failures. On the basis of establishing mathematical model of DFIG under space vector coordinates,...
In the high-technology mass manufacturing industry, high-speed and high-precision motion is an indispensable element in the automated production machines. In recent years, there has been a growing tendency to employ direct drive permanent magnet linear synchronous motors in demanding motion applications. Although the overall performance is good, its implementation cost remains high. This is mostly...
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