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基于Laguerre函数的高压力非线性传感器补偿研究
引用本文:孙冬梅,李永新.基于Laguerre函数的高压力非线性传感器补偿研究[J].航空计测技术,2008,28(4).
作者姓名:孙冬梅  李永新
作者单位:南京工业大学自动化学院,江苏南京210009
摘    要:针对高压力传感器线性化输出的结果不准确的现象,研究了具有针对性的Duffing非线性系统。用传感器的输出数据作为补偿器的输入,传感器的输入数据作为补偿器的输出,进行基于Laguerre函数的非线性动态补偿器的设计研究。该方法无需知道传感器的非线性阶数,对于外界干扰有较强的抑制作用,对于时延对象也具有一定的优势。利用该补偿器对传感器进行动态补偿,将补偿结果与阶跃响应输出进行对比,结果表明该非线性模型补偿的有效性。

关 键 词:非线性传感器  Laguerre函数  补偿方法

Nonlinearity Compensation Research of High Pressure Sensor Based on Laguerre Function
SUN Dong-mei,LI Yong-xin.Nonlinearity Compensation Research of High Pressure Sensor Based on Laguerre Function[J].Aviation Metrology & Measurement Technology,2008,28(4).
Authors:SUN Dong-mei  LI Yong-xin
Abstract:Pointing to the high-pressure sensor linearization output result inaccurate phenomenon,the Dufllng nonlinear system is studied. Using sensor output data as the compensator input,and the sensor input data as the compensator output,the compensator is designed based on the nonlinear dynamic Laguerre function.This method by which the nonlinear order of sensor does not need to be known has the strong inhibitory action for the external interference and a definite advantage to time delay.After the sensor dynamic c...
Keywords:nonlinear sensor  Laguerre function  compensation method  
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