摘要
为了提高应变式纱线张力传感器的灵敏度和稳定性,对传感器中的敏感元件进行优化,利用ANSYS对其进行了静力结构分析,优化后的敏感元件应变值比优化前提高了11.6%,且形变量更小,既保证了传感器的灵敏度和测量量程又保证了敏感元件在形变时能够处在弹性极限内。同时对优化前后的敏感元件和传感器进行了模态分析,优化后的敏感元件比优化前一阶固有频率提高了313.24 Hz,且传感器比优化后的敏感元件的一阶固有频率提高了7.96%,保证了传感器的稳定性。将优化后的敏感元件制成的传感器与标定传感器进行对比实验,两个传感器的输出误差在2%~5%,验证了优化后的敏感元件具有良好的灵敏度和稳定性。
In order to improve the sensitivity and stability of the strain gauge yarn tension sensor, the sensi-tive element in the sensor was optimized and the static structure analysis was carried out using ANSYS. The strain value of the optimized sensitive element was 11.6% higher than that before the optimization, and the deformation was smaller, which not only ensured the sensitivity and meas-urement range of the sensor but also ensured that the sensitive element was within the elastic limit during deformation. The modal analysis of the sensitive element and sensor before and after the optimization was carried out, and the first-order inherent frequency of the optimized sensitive ele-ment was increased by 313.24 Hz compared with that before the optimization, and the first- order inherent frequency of the sensor was increased by 7.96% compared with that of the optimized sen-sitive element, which ensured the stability of the sensor. The optimized sensitive element is com-pared with the standard sensor, and the output error of the two sensors is 2%~5%, which verifies that the optimized sensitive element has good sensitivity and stability.
出处
《建模与仿真》
2023年第1期252-260,共9页
Modeling and Simulation
