感应式位置测量系统误差分析与补偿

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257475

Du Chunyang, Yang Gui-jie

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引用次数: 12

摘要

分析了感应同步器和数字转数转换器(RDC)的非理想信号引起的测量误差，确定了相应的测量误差表达式。针对正交误差、幅值不平衡和信号偏置的影响，提出了一种软件补偿方法。实验结果表明，在55 ~ 10机械角秒范围内，测量精度得到了显著提高。验证了分析的正确性和补偿的有效性。

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Error analysis and compensation for inductosyn-based position measuring system

The measurement errors are incurred by the nonideal signal of an inductosyn and a digital resolver-to-digital conversion (RDC) are analyzed, and the corresponding expressions of measurement errors are determined. A compensation method by software is presented to reduce the influences of quadrature error, amplitude imbalance and signal offsets. Experimental results show that the measurement accuracy is improved significantly from 55 to 10 mechanical angle second. The correctness of the analysis and the effectiveness of the compensation are also verified.

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来源期刊

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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