工艺与制造英文2023被引 7
智能压辊：自动铺纤机用软传感器阵列
Smart Roller: Soft Sensor Array for Automated Fiber Placement
Xiulun Yin, Ziqiang Chen, Nima Bakhshi, O.-Y. Tong, Xiaoxiao Xiong, Yizhong Chen, Ying Li, Jian Gao, Mirza Saquib Sarwar, Anoush Poursartip, John D. W. Madden · University of British Columbia
摘要整理
压辊和轮子广泛应用于工业和运输领域，但直接获取接触力信息的方法较少。本文介绍了一种智能压辊，可从软性弹性体涂层圆筒提供实时压力测量。该压辊专为自动铺纤（AFP）机设计，广泛应用于航空航天工业中复杂复合材料零件的制造。为实现最优工艺性能，实时反馈对于制造过程中的缺陷检测至关重要。传感器采用4×13阵列软电容式触觉像素（taxels）替代标准压辊的弹性体外层，在1 MPa压力范围内，每个像素的电容变化量超过1 pF。传感器由硅橡胶制成，安装在柔性印制电路板上，板上的微控制器配备低功耗蓝牙（BLE）功能，用于采集和传输电容数据。传感器介电层由柱状结构组成，可增加层间柔性和灵敏度，同时保持典型工业压辊的刚度。该压辊能在典型制造速度下测量实时局部压实压力，可监测空间分辨的压力-时间曲线，用于预测和控制粘合性能。
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