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Research on the temperature influence and compensation technique in a magneto-elastic cable tension sensor

机译：磁弹电缆张力传感器的温度影响及补偿技术研究

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摘要

The magneto-elastic cable tension sensor has numerous advantages. For example, it is the ideal method for measuring the cable tension in a large span cable-bridge; however, the sensor is also temperature-sensitive, and as such, the temperature influence on the sensor is a significant factor. In this paper, the principle of cable tension sensor based on magnetic-elastic effect is introduced. And, the theory of temperature influence in magneto-elastic material is thoroughly analysed. On the basis of Jiles-Atherton (JA) model, which introduced the Curie temperature as an additional parameter, a magnetic-thermo coupling model for the magnet elastic cable tension sensor is constructed. By analysing the temperature and the physical parameters of the model, a novel method of compensating for the temperature by adjusting the bias magnetic field is proposed. Theoretical analysis and experimental work indicate that the model is a practical means of compensating for temperature influence.
机译：磁弹性电缆张力传感器具有许多优点。例如，它是测量大跨度电缆桥架中电缆张力的理想方法。但是，传感器也是温度敏感的，因此，温度对传感器的影响是一个重要因素。介绍了基于磁弹性效应的电缆张力传感器的原理。并且，对磁弹性材料中温度影响的理论进行了详尽的分析。在引入居里温度作为附加参数的Jiles-Atherton（JA）模型的基础上，构建了磁弹性电缆张力传感器的磁热耦合模型。通过分析模型的温度和物理参数，提出了一种通过调整偏置磁场补偿温度的新方法。理论分析和实验工作表明，该模型是补偿温度影响的一种实用手段。

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