A Fixed Switching Frequency Predictive Current Control Method for Switched Reluctance Machines

被引:101
作者
Mikail, Rajib [1 ]
Husain, Iqbal [1 ]
Sozer, Yilmaz [2 ]
Islam, Mohammad S. [3 ]
Sebastian, Tomy [3 ]
机构
[1] N Carolina State Univ, Raleigh, NC 27606 USA
[2] Univ Akron, Akron, OH 44325 USA
[3] Halla Mechatron, Bay City, MI 48706 USA
关键词
Back EMF; deadbeat controller; fixed frequency; hysteresis control; incremental inductance; nonlinear model; predictive control; TORQUE-RIPPLE MINIMIZATION; MOTOR;
D O I
10.1109/TIA.2014.2322144
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The paper presents a novel fixed switching frequency predictive current control method for switched reluctance machines (SRM). The proposed deadbeat predictive current controller accurately predicts the required duty ratio for the PWM pulse for a given reference current in each digital time step over the entire speed range of operation. The pulse width depends on the operating conditions, machine parameters and the rotor position. The controller utilizes the machine inductance profile as a function of current and rotor position to accurately predict the required voltage. The control method is studied through computer simulation and followed by experimental validation. The method is suitable for torque ripple sensitive applications requiring accurate tracking of a given current profile and mitigating the audible noise due to the switching of the inverter.
引用
收藏
页码:3717 / 3726
页数:10
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