相关实验视频
Updated: Jun 27, 2025
08:02
Robotic Sensing and Stimuli Provision for Guided Plant Growth
Published on: July 1, 2019
8.0K
集成GPS和视觉导航用于在棉花田中自主导航阿克曼方向移动机器人的集成
Canicius Mwitta1, Glen C Rains2
1College of Engineering, University of Georgia, Athens, GA, United States.
Frontiers in robotics and AI
|April 29, 2024
概括
结合GPS和视觉导航,提高了棉花田中的自主机器人的准确性. 这种综合方法改善了路径,为农业自动化提供了切实可行的解决方案.
科学领域:
- 农业机器人农业机器人
- 计算机视觉 计算机视觉
- 导航系统 导航系统
背景情况:
- 在农业中,自主导航面临着不可预测环境,GPS限制 (可用性,避开障碍) 和视觉系统敏感性 (照明,作物变化) 的挑战.
- 现有的方法,如GPS指导和仅视觉指导,对于可靠的农业领域导航具有固有的缺点.
研究的目的:
- 开发和评估一个集成的导航系统,将GPS和视觉指导相结合,用于农业领域的自主机器人.
- 通过利用它们的互补优势来提高性能来解决个别导航技术的局限性.
主要方法:
- 为棉花田开发了三种导航解决方案:基于GPS的路径跟踪 (Pure Pursuit),使用深度学习 (语义细分) 的基于视觉的路径检测与动态窗口方法 (DWA) 的路径规划,以及集成的GPS视觉系统.
- 根据从所需路径的平均横向偏差评估每个解决方案.
主要成果:
- 只有GPS的解决方案实现了8.3厘米的平均横向偏差.
- 基于视觉的解决方案 (深度学习+DWA) 实现了较低的平均横向偏差4.8厘米.
- 集成的GPS视觉解决方案,使用GPS作为全球规划器和深度学习/DWA作为本地规划器,导致平均横向距离误差为9.5厘米.
结论:
- 整合GPS和基于深度学习的视觉导航为农业环境中的自主机器人提供了强大的和实用的方法.
- 与单个方法相比,联合系统提供了更好的导航能力,为更高效的农业自动化铺平了道路.
更多相关视频
相关概念视频
01:28Field Application of Global Positioning System
45
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...
45
01:30Introduction to Global Positioning System
57
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,...
57
01:30Types of Global Positioning System Surveys
55
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...
55
01:26Errors in Global Positioning System
44
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
44
01:30Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
28
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...
28