An adaptive sliding-mode observer with a tangent function-based PLL structure for position sensorless PMSM drives

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• 作者：Shuyi Lin ; Weidong Zhang ; ^{wdzhang@sjtu.edu.cn}
• 关键词：Position estimation ; Sliding-mode observer (SMO) ; Sensorless control ; Permanent-magnet synchronous motor (PMSM) ; Phase-locked loop (PLL)
• 刊名：International Journal of Electrical Power & Energy Systems
• 出版年：2017
• 出版时间：June 2017
• 年：2017
• 卷：88
• 期：Complete
• 页码：63-74
• 全文大小：2408 K
• 卷排序：88

文摘

An adaptive sigmoid function-based sliding-mode observer (SMO) is proposed. Limitations of a generally used phase-locked loop (PLL) are elaborated. A tangent function-based PLL structure is proposed to extract rotor position.