Sensorless rotor position estimation of PMSM by full-order and sliding mode EMF observers with speed estimate

被引：0
作者：
Penn State Altoona, 3000 Ivyside Park, Altoona, PA, United States [1 ]
机构：
[1] Penn State Altoona, Altoona, PA
来源：
Int. J. Veh. Auton. Syst. | 2013年 / 2-3卷 / 157-189期
关键词：
Electric vehicles; Full-order observer; Hybrid electric vehicles; Permanent magnet synchronous motor; PMSM; Rotor position estimation; Sensorless control; Sliding mode observer;
D O I：
10.1504/IJVAS.2013.053778
中图分类号：
学科分类号：
摘要：
The paper discusses the problem of rotor position estimation for the nonsalient PMSM and presents a Full-Order (FO) observer and a Sliding Mode (SM) observer; both are constructed using a speed estimate. The observers are developed using the PMSM model in the stationary reference frame and use the motor voltages, currents and speed as inputs. The PMSM is treated as a time-varying plant. Convergence is analysed assuming that the speed signal is inaccurate - this corresponds to the situation when a speed estimate is used to obtain a sensorless observer. Under improper speed, the FO observer gives errors; however, the SM observer can be forced to converge by increasing the gains. The SM structure proposed allows design of a variety of sensorless observers. Copyright © 2013 Inderscience Enterprises Ltd.
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页码：157 / 189
页数：32
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