Design of self-adapting intelligent integrator

doi:10.3778/j.issn.1002-8331.2009.09.024

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (9): 85-87.DOI: 10.3778/j.issn.1002-8331.2009.09.024

• 研发、设计、测试 • Previous Articles Next Articles

Design of self-adapting intelligent integrator

DU Xiao-ying,JI Zhen-shan,WANG Yong,LI Shi

Institute of Plasma Physics，Chinese Academy of Sciences，Hefei 230031，China

Received:2008-02-01 Revised:2008-04-29 Online:2009-03-21 Published:2009-03-21
Contact: DU Xiao-ying

自适应智能型积分器设计

杜晓英,季振山,王勇,李实

中国科学院等离子体物理研究所，合肥 230031

通讯作者: 杜晓英

Abstract

Abstract: Because the operation amplifier and capacitor is not ideal，analog integrator has many problems such as drift，nonlinear error and capacity leakage.Along with the growth of the integrator time，the integrator’s drift is linearly increasing，so it becomes one of the most important factors affecting integrator’s output precision.Design the self-adapting intelligent integrator.The main idea is using the former drift’s slope to deduct this integral value in order to decrease the drift.

Key words: integrator, drift, slope

摘要： 传统模拟积分器由于运放和积分电容的不理想，存在着零点漂移、非线性误差以及泄漏等问题。而当积分时间不断增加时，积分漂移随之线性增加，并成为影响积分输出精度的重要因素之一。对此设计了自适应智能型积分器。主要思想：利用积分器前一次的漂移斜率来扣除本次的积分值，以达到减小漂移的目的。

关键词: 积分器, 漂移, 斜率

DU Xiao-ying,JI Zhen-shan,WANG Yong,LI Shi. Design of self-adapting intelligent integrator[J]. Computer Engineering and Applications, 2009, 45(9): 85-87.

杜晓英,季振山,王勇,李实. 自适应智能型积分器设计[J]. 计算机工程与应用, 2009, 45(9): 85-87.

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Design of self-adapting intelligent integrator

自适应智能型积分器设计

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