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有色金属(矿山部分):2020,72(2):97-101
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基于时差定位线性算法和Geigei迭代算法的某铁矿声发射源定位精度分析
瞿靖1, 陈俊智1, 李云2
(1.昆明理工大学;2.新平鲁电矿业有限公司自走铁矿)
Positioning Accuracy Analysis of an Iron Mine Acoustic Emission Source Based on Time Difference Positioning Linear Algorithm and Geigei Iterative Algorithm
Qu Jing1
(1.kunming university of science and technology;2.Xinping Ludian Mining Co., Ltd. Zi-zou iron ore)
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投稿时间:2019-10-26    修订日期:2019-11-15
中文摘要: 时差线性定位算法主要参考时间差时,波速等参数构建线性方程组进行代数方法的求解,该法原理和计算过程都较为简单,但缺点是方程组可能会出现无解导致定位计算失败。Geiger迭代定位算法在选取了合适迭代初值的基础上进行多次迭代,得到定位结果,其在原理上比时差线性定位算法更精确,本文对时差定位中的线性定位和Geiger迭代定位两种算法结合云南某大型铁矿的声发射监测系统监测到的声发射事件进行了分析,通过两种定位算法得到的定位结果误差对比分析来具体说明两种方法对于工程实际的适用性和精确度。
Abstract:The time difference linear positioning algorithm mainly solves the algebraic method by constructing linear equations with reference to time difference, wave velocity and other parameters. The principle and calculation process are simple, but the disadvantage is that the equations may have no solution and the positioning calculation fails. The Geiger iterative localization algorithm performs multiple iterations on the basis of selecting the appropriate iteration initial value, and obtains the positioning result. It is more accurate than the time difference linear positioning algorithm in principle. In this paper, the linear positioning and Geiger iterative positioning algorithms in time difference positioning are used. The acoustic emission events monitored by the acoustic emission monitoring system of a large iron ore mine in Yunnan were analyzed. The error analysis of the positioning results obtained by the two positioning algorithms was used to specify the applicability and accuracy of the two methods for engineering practice.
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基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目) U1602232
引用文本:
瞿靖,陈俊智,李云.基于时差定位线性算法和Geigei迭代算法的某铁矿声发射源定位精度分析[J].有色金属(矿山部分),2020,72(2):97-101.
Qu Jing.Positioning Accuracy Analysis of an Iron Mine Acoustic Emission Source Based on Time Difference Positioning Linear Algorithm and Geigei Iterative Algorithm[J].NONFERROUS METALS(Mining Section),2020,72(2):97-101.

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