基于MLS的识别和从3D点云中提取道路屋顶螺栓/电缆的参数
Zhuli Ren1,2,3, Hongyang Zhu1, Lei Zhao1
1School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, 454003, Henan, China.
Scientific reports
|January 28, 2026
概括
这项研究引入了一种移动激光扫描 (MLS) 方法,用于自动评估深煤矿屋顶螺栓的稳定性. 该系统准确地识别螺栓和提取参数,增强安全检查.
科学领域:
- 地质技术工程 地质技术工程
- 采矿工程 采矿工程 采矿工程
- 地理学工程 工程地质学
背景情况:
- 在深层煤矿中手动检查道路屋顶螺栓/电缆是低效和主观的.
- 确保屋顶支的质量和稳定性对于矿山安全至关重要.
- 频繁的检查对于传统的检查方法来说是一个挑战.
研究的目的:
- 开发一种自动化方法,使用移动激光扫描 (MLS) 识别和提取屋顶螺栓/电缆的参数.
- 提高道路支持质量评估在深层煤矿的效率和客观性.
- 为在地下采矿环境中提供智能安全评估的基础.
主要方法:
- 使用基于同时定位和映射 (SLAM) 的MLS系统捕获矿山道路的3D点云数据.
- 应用了一种布模拟过器 (CSF) 来进行屋顶细分和基于密度的聚类,并使用几何约束来识别螺栓/电缆.
- 使用主要组件分析 (PCA) 来提取几何参数,如暴露的长度和倾斜度.
主要成果:
- 基于MLS的方法在识别屋顶螺栓/电缆方面取得了很高的准确性,在现场实验中精度为96.72%,回忆率为92.91%.
- 在127个手动标记螺栓/电缆中,成功提取了118个关键几何参数.
- 创建了一个用于工程评估的支持参数的自动化数据库.
结论:
- 拟议的MLS方法为深层煤矿中道路支质量的智能评估提供了有效的解决方案.
- 性能取决于MLS数据质量和屋顶螺栓/电缆的可见性.
- 建议在不同的采矿条件和额外的采矿地点进行进一步验证.
相关概念视频
Cable: Problem Solving
682
When dealing with a cable that is fixed to two supports and subjected to uniform loading, it is crucial to determine the maximum tension in the cable. This process can be broken down into several key steps, as outlined below:
682
Cable Subjected to Its Own Weight
795
Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
795
Energy Stored In A Coaxial Cable
2.1K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...
2.1K
Cable Subjected to Concentrated Loads
1.4K
Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
1.4K
Cable Subjected to a Distributed Load
1.1K
The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
1.1K
Wave Parameters
9.3K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
9.3K


