[1]邵刚,田泽,刘敏侠,等. 一种传感器信号调理的补偿系统的设计及实现[J].计算机技术与发展,2015,25(06):189-192.
　SHAO Gang,TIAN Ze,LIU Min-xia,et al. Design and Implementation of Sensor Signal Conditioner and Compensation System[J].,2015,25(06):189-192.
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 一种传感器信号调理的补偿系统的设计及实现()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年06期
页码:
189-192
栏目:
应用开发研究
出版日期:
2015-06-10

文章信息/Info

Title:
 Design and Implementation of Sensor Signal Conditioner and Compensation System
文章编号:
1673-629X（2015)06-0189-04
作者:
 邵刚; 田泽; 刘敏侠; 蔡叶芳
 中航工业西安航空计算技术研究所
Author(s):
 SHAO Gang; TIAN Ze; LIU Min-xia; CAI Ye-fang
关键词:
 ; 压阻传感器; 信号调理芯片; 温度补偿; 补偿算法
Keywords:
 ; piezoresistive sensor; signal conditioner chip; temperature compensation; compensation algorithm
分类号:
TP301
文献标志码:
A
摘要:
 压阻型传感器存在温度漂移误差和输出信号非线性等问题，当使用压阻传感器构建精密传感系统时，压阻型传感器的非线性特性影响系统的测量精度。通常情况下，为解决传统传感器的精度，往往采取板级补偿的方法，补偿算法开发复杂，造成传感系统体积大、功耗较大。文中通过研究电阻型传感器的非线性产生原理和补偿方法，设计并实现了一种工作范围达到-65~125℃的高精度传感器信号调理的单芯片，在此基础上实现了信号调理的校准软件的补偿算法及校准使用软件。基于上述研究，构建了以信号调理芯片为核心的单片传感器信号调理补偿系统，并对单芯片补偿后的传感器系统进行了实际测试。测试结果表明在-55~125℃的温度范围内输出的信号与压力呈良好的线性关系，误差小于6‰，满足系统的测量精度需求；高集成度的单芯片设计也满足工程小型化、低功耗、高精度的要求，为信号调理补偿提供了新的技术手段。
Abstract:
 The intrinsic error of non-linearity output and temperature drift for pressure sensor has a strong impact to the entire system ac-curacy when using pressure sensor to build precision sensor system. Under normal circumstances,in order to solve the precision of the tra-ditional sensor,often take the board compensation method,the compensation algorithm is complex for development,causing large volume and big power consumption for sensor system. Through the study of nonlinear principle and compensation method of resistance type sen-sor,design and realize a single chip disposed by high precision sensor with work scope of-65~125 ℃,on this basis,realize the calibra-tion software compensation algorithm of signal disposal and software of calibration. Based on the above research,the single sensor signal conditioning compensation system with signal conditioning chip as the core is constructed,and the sensor system of single chip compensa-tion is tested. The measurement shows that a good linearity performance of output versus the measured pleasure is observed at temperature range from -55~125 ℃,the total error is less than 6‰,meeting the requirements of measurement precision. High integration of the sin-gle chip design also meets the requirements of miniaturization, low power consumption, high precision, and provides a new technical means for signal disposal compensation.

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更新日期/Last Update: 2015-08-05