| 基于磁敏角度技术的拉线式位移传感器的设计与应用 |
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| 引用本文： | 苏玉,卢印举.基于磁敏角度技术的拉线式位移传感器的设计与应用[J].现代电子技术,2010,33(15):136-138. |
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| 作者姓名： | 苏玉 卢印举 |
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| 作者单位： | 中州大学,信息工程学院,河南,郑州,450044 |
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| 基金项目： | 河南郑州科技局科技攻关项目 |
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| 摘 要： | 介绍MLX90316的结构和特性,设计以LPC2136为CPU,MLX90316为位置反馈的拉线式位移传感器,给出了基于MLX90316的位移检测策略,并详细分析了接口电路原理图和编程原理。该传感器具备一路RS485通信链路和一路基于PWM可调电流输出。试验证明,该传感器克服传统拉线式位移传感器的易磨损、分辨力差、阻值偏低、高频特性差等缺点,提高了测量精度。
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| 关 键 词： | MLX90316 磁敏角度技术 位移传感器 LPC2136 |
Design and Application of Guyed Displacement Sensor Based on Magnetosensitive Angular Technology |
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| SU Yu,LU Yin-ju.Design and Application of Guyed Displacement Sensor Based on Magnetosensitive Angular Technology[J].Modern Electronic Technique,2010,33(15):136-138. |
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| Authors: | SU Yu LU Yin-ju |
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| Institution: | (School of Information Engineering,Zhongzhou University,Zhengzhou 450044,China) |
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| Abstract: | The structure and characteristics of MLX90316are introduced.A guyed displacement sensor which takes LPC2136as CPU and MLX90316as position feedback component is designed.The displacement detection method based on MLX90316is presented.The schematic diagram of interface circuit and programmming principle are analyzed in detail.This sensor has a RS485communication link and adjustable current output based on PWM.The experiment demonstrates that the shortcomings of traditional guyed displacement sensor such as rapidly wearing,weak resolution,lower resistance and bad high-frequency characteristics are overcome,and the measurement accuracy is improved. |
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| Keywords: | MLX90316 LPC2136 |
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