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相关概念视频

Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

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Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
219
Planar Rigid-Body Motion01:22

Planar Rigid-Body Motion

430
Understanding the movement of a rigid body in planar motion involves recognizing that every particle within this body is traversing a path that maintains a consistent distance from a specific plane. This concept is fundamental in the study of physics and mechanical engineering, and it allows us to comprehend better how objects move in space.
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...
430
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

395
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...
395
One-Degree-of-Freedom System01:24

One-Degree-of-Freedom System

481
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
481
Equation of Motion: General Plane motion - Problem Solving01:16

Equation of Motion: General Plane motion - Problem Solving

178
Consider a lawn roller with a mass of 100 kg, a radius of 0.2 meters, and a radius of gyration of 0.15 meters. A force of 200 N is applied to this roller, angled at 60 degrees from the horizontal plane. What will be the angular acceleration of the lawn roller?
The friction between the roller and the ground is characterized by two coefficients. The static friction coefficient is 0.15, while the kinetic friction coefficient is 0.1. These values are crucial in understanding the interaction between...
178
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

42
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...
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相关实验视频

Updated: Jun 22, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
07:49

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全球导向的基于深度V网络的动作计划算法,用于固定翼无人机.

Hang Du1, Ming You2, Xinyi Zhao1

  • 1Sino-European Institute of Aviation Engineering, Civil Aviation University of China, Tianjin 300300, China.

Sensors (Basel, Switzerland)
|June 27, 2024
PubMed
概括

这项研究引入了一种新的等级运动计划算法,用于固定翼无人机 (UAV). 该算法确保在复杂的环境中安全,无碰撞飞行,具有静态和动态障碍.

科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人工智能的人工智能
  • 航空航天工程 航空航天工程

背景情况:

  • 固定翼无人机为各种应用提供了巨大的潜力.
  • 在具有静态和动态障碍的复杂环境中安全导航仍然是一个挑战.

研究的目的:

  • 为固定翼无人机开发一个分层的双层运动规划算法.
  • 为了实现安全,无碰撞和动力学上可行的飞行路径.

主要方法:

  • 全球规划器生成参考指南,考虑动力学约束和静态障碍.
  • 一个局部强化学习 (RL) 计划器处理传感范围内的动态障碍物.
  • 为了模拟,采用了多阶段,多场景的培训策略.

主要成果:

  • 拟议的算法在模拟中显示出与基线方法相比的优异性能.
  • 实现了与静态和动态障碍物有效避免碰撞.
  • 在整个规划过程中保持了动力学可行性.

结论:

  • 层次的双层算法为固定翼无人机运动规划提供了有效的解决方案.
  • 基于RL的地方规划提高了动态环境中的安全性和适应性.
关键词:
在深度V-网络.固定翼无人机的固定翼无人机.在全球的路径指导.运动规划 运动规划

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  • 拟议的方法显著提高了无人机的飞行安全和效率.