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Unscented Kalman Filter for Speed Estimation in Induction Motor Drives
Author(s): 
Pages: 45-50
Year: Issue:  2
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  无轨迹卡尔曼滤波器扩展卡尔曼滤波器感应电机转速估计;
Abstract: 无轨迹卡尔曼滤波器(UKF)作为扩展卡尔曼滤波器(EKF)的进化算法在许多非线性估计问题上取得了成功的应用.探讨了在感应电机转速估计领域引入UKF是否能获得明显优于EKF的估计性能这一问题.通过仿真及实验对比,分析了采样周期以及滤波器参数对UKF及EKF估计性能的影响,从各个方面评估、比较了UKF与EKF的转速估计性能.仿真及实验结果表明UKF并不能以预想的突出优势在感应电机转速估计问题上取代EKF,EKF仍旧是这一特定问题的最有效和最可行的算法.
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