Analysis and Compensation of Current Measurement Errors in Machine Drive Systems—A Review

Pingyue Song, Tao Wang (), Lijian Wu (), Hao Li, Xiang Meng and Cheng Li
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Pingyue Song: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China
Tao Wang: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China
Lijian Wu: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China
Hao Li: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China
Xiang Meng: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China
Cheng Li: College of Electrical Engineering, Zhejiang University, Hangzhou 310012, China

Energies, 2025, vol. 18, issue 6, 1-25

Abstract: The rapid development of machine drive systems is closely tied to advancements in signal sampling technology. Accurate measurement results, especially current measurement results, are crucial for high-performance machine drive systems. However, current measurement errors (CME) caused by circuit parameter inconsistencies, aging, and temperature variations can significantly affect the control performance of drive systems, thus necessitating compensation. To better understand the mechanisms of CME in drive systems, this paper reviews existing research on CME analysis and compensation techniques. Based on the source of CME, this paper classifies CME into high-frequency and low-frequency components and discusses their causes and compensation methods, respectively. Additionally, the influence of different types of CME on other control strategies, such as sensorless and model predictive control, is discussed. The characteristics of CME compensation strategies for special current sensor installation positions are also explored. Finally, the paper summarizes the state of the art in CME analysis and compensation and discusses future trends in this field.

Keywords: current measurement error; machine drive system; current sensor; error compensation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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