DITC - Direct instantaneous torque control of switched reluctance drives

被引:237
|
作者
Inderka, RB [1 ]
De Doncker, RWAA [1 ]
机构
[1] Univ Aachen, Inst Power Elect & Elect Dr, D-52066 Stuttgart, Germany
关键词
control; direct torque control; nonlinear estimation; switched reluctance drives; torque ripple;
D O I
10.1109/TIA.2003.814578
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents an online instantaneous torque control technique for switched reluctance machines called direct instantaneous torque control. The method comprises two novel aspects. First, torque is estimated as a function of terminal quantities, i.e., flux linkage and phase current. Hence, torque estimation is independent of the rotor position. Secondly, high-bandwidth drive performance is obtained by implementing a digital torque hysteresis controller., Thus, the method works without torque profile functions and auxiliary phase commutating strategies. Therefore, the control algorithm offers a wide drive operating range without the use of a high-resolution shaft, position sensor or sensitive position estimation techniques. Experimental and simulation results are presented in this paper.
引用
收藏
页码:1046 / 1051
页数:6
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