硅压阻式传感器智能数字补偿系统  

Smart Digital Compensation System for Piezoresistive Sensors

作　　者：闫超[1,2] 李宗醒[1,2] 毛超民 丁建宁[1,3] 程广贵[1] 袁宁一[3] 

机构地区：[1]江苏大学微纳米科学技术研究中心 [2]昆山双桥传感器测控技术有限公司 [3]常州大学材料工程学院

出　　处：《仪表技术与传感器》2010年第11期10-12,共3页Instrument Technique and Sensor

基　　金：国家自然科学基金项目(50974062);湖北省自然科学基金项目(2008CDA017);湖北省科技攻关项目(2007AA101C02)

摘　　要：为提高硅压阻式传感器在宽温区上的精度,利用传感器高精度智能修补芯片ZMD31050,开发出一套智能化数字补偿系统,将传感器及其外围器件抽象为数学多项式,通过多项式拟合来消除误差,介绍了该系统的硬件组成,通信协议和软件设计。实验结果表明,该系统数据传输稳定,生产效率高,可满足硅压阻式传感器小批量智能修补。A smart digital compensation system based on ZMD31050,which was a chip used to the precise smart compensation for sensors,was developed for enhancing the precision of piezoresistive sensors on condition of wide temperature range.Sensor and its peripheral devices was abstracted as mathematical polynomial by polynomial fitting to eliminate the error.Its principle and features,the hardware,communication protocol and software of the system was introduced.The experiment results show that the system has the features of stable data transmission and production efficiency which can reach the requirement for the small quantities smart compensation of piezoresistive sensors.

关 键 词：ZMD31050 数字补偿系统 LABWINDOWS/CVI 

分 类 号：N212[自然科学总论]