一种深度学习方法用于使用环境约束和火星车内部资源状态进行月球漫游器全球路径规划
Toshiki Tanaka1, Heidar Malki2
1Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77004, USA.
Sensors (Basel, Switzerland)
|February 10, 2024
概括
这项研究引入了一种新的月球探测器路径规划方法,将环境和资源限制整合起来. 强化学习方法优化了路线,确保了安全性,并超越了传统方法.
科学领域:
- 行星科学 行星科学
- 机器人技术 机器人技术 机器人技术
- 人工智能的人工智能
背景情况:
- 月球探测器任务需要复杂的路径和资源规划.
- 现有的方法往往难以整合各种限制,如环境和资源限制.
- 在多种动态条件下优化探测器轨迹是一个重大挑战.
研究的目的:
- 为月球探测器制定全球路径和资源规划的新方法.
- 将静态,时间变量和路径依赖的约束整合到统一的规划框架中.
- 通过考虑更广泛的因素来提高路径搜索的最佳性.
主要方法:
- 使用强化学习 (RL) 框架来解决资源受限最短路径问题 (RCSP).
- 约束被纳入网格地图,使用惩罚函数.
- 该RL架构应用于使用真实的月球数字海拔数据的路径搜索问题.
主要成果:
- 提出的方法成功地确定了最佳的月球探测器路径,同时遵守安全标准.
- 它同时考虑了更广泛的环境和漫游器资源限制.
- 与仅依赖环境约束的传统方法相比,模拟结果显示出更高的性能.
结论:
- 这种基于RL的新方法为月球探测器提供了更好的路径搜索最佳性.
- 这种方法有效地管理了外星探索中的复杂,多方面的限制.
- 这些发现为更强大,更有效的月球探测器运营铺平了道路.
相关概念视频
Rolling Resistance: Problem Solving
326
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
326
Relative Motion Analysis using Rotating Axes-Problem Solving
404
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
Here, in order to determine the magnitude of velocity and acceleration for point...
404
Field 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
Errors in Global Positioning System
45
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,...
45
Introduction to Global Positioning System
60
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,...
60
Three-Dimensional Force System:Problem Solving
667
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
667


