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相关概念视频

Field Application of Global Positioning System01:28

Field Application of Global Positioning System

88
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
88
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

120
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
120
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

168
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
168
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

139
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
139

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Operation of the Collaborative Composite Manufacturing CCM System
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基于ICP的地图和定位系统,用于使用2D LiDAR的AGV.

Felype de L Silva1, Eisenhawer de M Fernandes1, Péricles R Barros1

  • 1Laboratory of Electronic Instrumentation and Control (LIEC), Department of Electrical Engineering (DEE), Federal University of Campina Grande (UFCG), Campina Grande 58429-900, PB, Brazil.

Sensors (Basel, Switzerland)
|August 14, 2025
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概括
此摘要是机器生成的。

这项研究开发了一种实时同步定位和绘图 (SLAM) 系统,用于仅使用2D LiDAR传感器的自动引导车辆 (AGV). 该系统实现了高姿势估计精度,为机器人应用程序提供了强大的导航和绘图.

关键词:
自动驾驶汽车 (AGV) 是一种自动驾驶汽车.代式的最近点 (ICP)光探测和距离测定 (LiDAR) 系统定位和绘制地图.点云点云是指点云.

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 计算机视觉 计算机视觉
  • 传感器融合式传感器

背景情况:

  • 现有的SLAM系统通常需要多个传感器或大量的计算资源.
  • 自动驾驶汽车 (AGV) 需要可靠的感知来实现自动驾驶.
  • 对于嵌入式机器人平台来说,低复杂度,独立于传感器的解决方案至关重要.

研究的目的:

  • 开发一个功能性,实时的SLAM系统用于AGV,仅使用2D LiDAR传感器.
  • 创建一个低复杂度的系统,适应嵌入式平台,具有有限的计算能力.
  • 解决当前文献中关于传感器独立性和资源效率的局限性.

主要方法:

  • 使用代最接近点 (ICP) 算法集成扫描对齐.
  • 使用高斯-牛顿优化和点对平面度量来估计姿势.
  • 开发了一种轻量级的图形界面,用于实时可视化传感器数据,姿势和地图.

主要成果:

  • 实现了高姿势估计准确度:99.42% (x),99.6% (y) 和99.99% (θ).
  • 在受控环境中证明有效的本地化和渐进式环境映射.
  • 系统的功能证明了机器人应用程序,尽管中等的更新率.

结论:

  • 开发的SLAM系统为移动平台提供了强大而适应性的基础.
  • 模块化架构支持未来的扩展,如轨迹规划和控制.
  • 潜在的应用包括工业自动化,学术研究和机器人教育.