基于RPE算法的二阶测试系统特性参数估计  

Estimation of Natural Parameters of Second Order Measurement System Based on RPE Algorithm

作　　者：田社平[1] 蔡萍[1] 

机构地区：[1]上海交通大学电子信息学院,上海200240

出　　处：《电气电子教学学报》2008年第4期1-3,共3页Journal of Electrical and Electronic Education

基　　金：上海交通大学"检测技术"国家级精品课程建设项目

摘　　要：在检测技术专业课程"检测技术"的教学中,二阶测试系统特性参数的测定是重要的教学内容。针对传统方法要求测试系统阶跃响应的过冲要明显,而且响应中要出现多个过冲的缺点,本文讨论了一种基于递推预报误差(RPE)算法的测定二阶测试系统特性参数的方法,并给出了数值计算结果,表明该方法具有较高的估计准确度。本文的讨论可供从事检测技术专业课教学的教师参考。Estimation of natural parameters of second order measurement system is important contents in the teaching of technical course of Test ＆ Measurement Technology . The natural parameters can be obtained from step test. Overshoots of the step response must be obvious and as much as possible by classical method. A new method based on RPE（recursive predictive error） algorithm is discussed to calibrate the natural parameters of second order measurement system. Numerical calculation results are given to show the effectiveness of the method. It is helpful for the teaching of Test ＆ Measurement Technology.

关 键 词：检测技术 二阶系统 特性参数 RPE算法 

分 类 号：TH701[机械工程—仪器科学与技术]