最小二乘曲线拟合在DH—6001 ZrO_2分析仪中的应用  

Application of least-squares curve fitting in DH—6001 zirconia analyzer

作　　者：储琴[1] 程明霄[1] 唐咏[1] 康建爽[1] 

机构地区：[1]南京工业大学自动化学院,江苏南京210009

出　　处：《传感器与微系统》2010年第5期132-133,136,共3页Transducer and Microsystem Technologies

摘　　要：DH—6001 ZrO2分析仪为在线实时氧含量监测仪,因仪器控制芯片浮点计算能力不强,直接用能斯特方程计算氧含量造成系统资源消耗过大,仪器不能实现快速响应。在介绍最小二乘曲线拟合原理的基础上,采用最小二乘高次多项式对测量数据进行拟合,实现了实时在线测量。DH-6001 zirconia analyzer can monitor oxygen content online and real-time. Due to the capbility calculation is of the floating-point of analyzer control chip not strong, calculating oxygen content with the Nernst equation directly will consume a large amount of system resource. So analyzer can＇ t realize fast response. Based on the introduction least-squares curve fitting, measured data is fitted using least-square high-order moment. Online and real-time measurement is realized.

关 键 词：ZrO2分析仪 最小二乘曲线拟合 氧含量测量 在线实时 

分 类 号：TH832[机械工程—仪器科学与技术]