磁弹性曲模式压导体类型传感器的驱动信号和几何分析
Šimon Gans1, Ján Molnár1, Dobroslav Kováč1
1Department of Theoretical and Industrial Electrical Engineering, Technical University of Košice, 040 01 Košice, Slovakia.
Sensors (Basel, Switzerland)
|October 28, 2023
概括
这项研究探讨了用于测量曲力的磁弹性传感器. 优化条件涉及更高的频率和振幅,使得小力高达2N的精确测量.
科学领域:
- 材料科学 材料科学 材料科学
- 物理 物理学 物理
- 工程 工程师 工程师 工程师
背景情况:
- 磁弹性传感器,通常由变压器板或无形合金制成,通常用于力传感.
- 虽然经常用于压力力,但本研究调查了它们在测量曲力中的应用,因为实验方便.
- 现有的研究定义了磁弹性传感器技术的最新状态.
研究的目的:
- 调查用于测量曲力的散装磁弹性传感器的性能.
- 使用有限元法 (FEM) 建模传感器,并测量材料特性.
- 通过实验确定最优的操作条件和传感器几何形状,以确定线性和灵敏度.
主要方法:
- 用于FEM模拟的材料特性,假设机械和磁性同otropy和非线性.
- 实验设置使用正弦磁化电流源来测试各种频率,振幅和传感器几何形状.
- 在不同的曲负载下分析二级线圈的RMS电压变化.
主要成果:
- 传感器的最佳操作条件是更高频率的信号和更高的激发电流幅度.
- 通过调整绕角度和间距,可以增强传感器的线性.
- 开发的变压器板曲传感器适用于测量高达2N (较短) 和0.2N (较长) 的小力.
结论:
- 磁弹性传感器对精确的曲力测量非常有希望.
- 优化激发参数和传感器几何学可以显著提高性能.
- 该研究为设计和应用特定力范围的磁弹性传感器提供了有价值的数据.
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