全角度无接触式智能角度传感器设计与验证  

Design and validation of 360 degree contactless smart angular position sensor

作　　者：杨星[1,2] 张家祺[3] 王晶[1,4] 汪洋[1] 

机构地区：[1]首都师范大学信息工程学院,北京100048 [2]首都师范大学北京市高可靠嵌入式系统技术工程研究中心,北京100048 [3]北京交通大学电子信息工程学院,北京100044 [4]首都师范大学北京市电子系统可靠性技术重点实验室,北京100048

出　　处：《计算机工程与设计》2016年第1期71-75,194,共6页Computer Engineering and Design

基　　金：国家自然科学基金项目(61170009);北京市自然科学基金项目(4132016)

摘　　要：针对角度传感器小型化、智能化以及非接触测量的需求,设计一款基于霍尔元件的全角度无接触式智能角度传感器。对传感器工作原理进行分析,为降低芯片面积与功耗,提升工作效率,采用自主研发微处理器C16进行智能化管理,提出角度变换方法。采用FPGA原型验证方法,对设计方案进行验证,验证结果表明,该智能角度传感器能对0度到360度范围内的角度进行非接触测量,结构简单,面积小,精确度高,绝度误差小于0.3°,角度转换速度快,高达5714次/秒。Focusing on the angle sensor trends to miniaturization,intelligence and non-contact,a contactless rotary position smart sensor based Hall elements was presented.The measurement principle of the sensor was analyzed.To reduce the chip area and power consumption,and improve work efficiency,a microprocessor C16 was designed for intelligent management,and an angle transform method was put forward.The FPGA prototype was used to verify the smart sensor.Experimental results show that the angle sensor is capable of contactless measurement of angles within the range of 0°to 360°,and it is characterized by simple structure,small size and high accuracy.Its absolute error is less than 0.3°,and angle conversion speed is up to 5714 times per second.

关 键 词：角度传感器 霍尔元件 无接触式 FPGA原型验证 磁场 

分 类 号：TP302.7[自动化与计算机技术—计算机系统结构]