相关实验视频

Updated: Jun 10, 2025

Blast Quantification Using Hopkinson Pressure Bars

Blast Quantification Using Hopkinson Pressure Bars

Published on: July 5, 2016

基于KPCA-BAS-BP的开采煤矿爆炸碎片化的预测研究

Shuang Liu¹, Enxiang Qu², Chun Lv²

¹School of Architecture and Civil Engineering, Qiqihar University, Qiqihar, 161006, Heilongjiang, People's Republic of China. 03508@qqhru.edu.cn.

Scientific reports

|October 14, 2024

概括

准确预测露天地雷爆炸块大小对于安全至关重要. 一个新的KPCA-BAS-BP模型,使用内核主要组件分析和虫天线搜索优化反向传播,显著提高了比传统方法的预测准确度.

科学领域:

采矿工程采矿工程采矿工程
计算科学计算科学
地质力学地质力学

背景情况:

在露天采矿中,爆破块的大小是复杂的,受非线性因素的影响.
现有的经验公式和单个神经网络对于现代安全需求缺乏准确性.

研究的目的:

开发一个非常准确的预测模型,用于在露天矿山的爆炸块大小.
解决传统方法在处理复杂的非线性关系方面的局限性.

主要方法:

利用贝斯库杜克露天煤矿的数据进行培训和测试.
使用内核主要组件分析 (KPCA) 来减少输入变量的维度.
使用甲虫天线搜索 (BAS) 算法优化回向传播 (BP) 神经网络参数.

主要成果:

建立的KPCA-BAS-BP模型实现了1.77%的平均相对误差和1.52%的根平均平方误差.
与未优化的BP和人工蜂群 (ABC) 算法优化的BP模型相比,证明了更高的预测准确性.

结论:

KPCA-BAS-BP模型提供了一种新且有效的方法,用于在多种影响因素下预测爆炸碎片化.
为提高开放式采矿操作的安全性和效率提供了有价值的工具.

关键词:

在BP神经网络中,神经网络甲虫天线搜索算法 (BAS) 的使用爆破碎片化的爆破碎片化核心主要组件分析 (KPCA)开采式煤矿是一个开采式的煤矿.

更多相关视频

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System

Published on: June 12, 2019

Author Spotlight: Development of an Automated Camera-Based System for Real-Time Blast Overpressure Monitoring and TBI Risk Assessment in Military Training

Author Spotlight: Development of an Automated Camera-Based System for Real-Time Blast Overpressure Monitoring and TBI Risk Assessment in Military Training

Published on: December 6, 2024

相关概念视频

Compacting Factor test

Compacting Factor test

The compacting factor test is a method used to assess the workability of concrete. It is especially suitable for concrete mixes containing aggregates up to one and a half inches in size. This test involves specialized equipment consisting of two truncated cone-shaped hoppers and a cylinder, all with polished interior surfaces to minimize friction.
The procedure begins by placing concrete into the upper hopper without any compaction. Once filled, the bottom door of this hopper is opened,...

Quarrying of Stone

Quarrying of Stone

Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the...