基于电涡流原理的角度测量传感器原理和解码研究  

Research on Principle and Decoding of Novel Angle Measurement Sensor Based on Eddy Current Principle

作　　者：程亚博 王新华[1] Cheng Yabo;Wang Xinhua(College of Automation Engineering,Nanjing University of Aeronautics and Astronauties,Nanjing 211100,China;不详)

机构地区：[1]南京航空航天大学自动化学院,南京市211100 [2]连云港杰瑞电子有限公司

出　　处：《工具技术》2025年第1期146-150,共5页Tool Engineering

基　　金：江苏省战略性新兴产业发展专项。

摘　　要：基于电涡流原理设计了一款新型角度测量传感器,并对该传感器的调制解调原理、角度解算算法进行了分析设计与实验,验证了原理的可行性,实验证明,该传感器最大跟踪速率能达10000 r/min,静态角精度达±20″。该型传感器采用PCB工艺制作,传感部分仅由2块PCB组成,且解算电路不需要专用RDC解码芯片,只需要常规的微处理器即可实现,具有生产简单、尺寸小、重量轻、环境适应性强、核心技术自主可控等优点。This article studies and designs a new type of angle measurement sensor based on the principle of eddy current.The modulation and demodulation principle and angle calculation algorithm of the sensor are analyzed,designed,and experimentally validated,verifying the feasibility of its principle.The experiment proves that the maximum tracking rate of the sensor can reach 10000 r/min,and the static angle accuracy can reach±20″.This type of sensor is made using PCB technology,and the sensing part is only composed of 2 PCBs.The solving circuit does not require a dedicated RDC decoding chip,only a conventional microprocessor can be implemented.It has a series of advantages such as simple production,small size,light weight,strong environmental adaptability,and independent and controllable core technology.

关 键 词：传感器 角度测量 PCB 电涡流 

分 类 号：TG82[金属学及工艺—公差测量技术] TH712[机械工程—测试计量技术及仪器]