传感技术学报2016，Vol.29Issue(4)：622-626,5.DOI:10.3969/j.issn.1004-1699.2016.04.025
核电厂反应堆冷却剂系统旁路温度高精度测量方法研究
Method Research to Measure Bypass Temperature More Accurately of Reactor Coolant System in Nuclear Power Plants
摘要
Abstract
In order to improve the temperature measurement accuracy of bypass of the reactor coolant system in nu⁃clear power plants,the models of temperature-resistance characteristic curve and resistance-temperature character⁃istic curve were established for a platinum resistance thermometer,and the parameters of the characteristic curve model were determined by using the recursive least square(RLS)algorithm for fitting sample data. The method can calculate the corresponding temperature more accurately according to the measured the resistance of platinum resis⁃tance thermometer. The simulation results showed that the temperature measurement precision was improved obvi⁃ously compared with existing methods. Hence the method has important theoretical and application value in the field of temperature detection.关键词
电阻-温度特性曲线/曲线拟合/递推最小二乘法/铂电阻温度计Key words
resistance-temperature characteristic curve/curve fitting/recursive least squares(RLS)/platinum re-sistance thermometer分类
信息技术与安全科学引用本文复制引用
刘理云,曾喆昭..核电厂反应堆冷却剂系统旁路温度高精度测量方法研究[J].传感技术学报,2016,29(4):622-626,5.基金项目
湖南省科技计划项目 （）
