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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...
539
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

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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...
704
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

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Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
881
Orthogonal Trajectories01:26

Orthogonal Trajectories

22
Orthogonal trajectories describe the geometric relationship between two families of curves that intersect each other at right angles. One illustrative case involves a family of parabolas that open sideways along the x-axis. These curves share a common shape but differ by a scaling parameter, resulting in a set of curves that all pass through the origin and widen at different rates.Determining Orthogonal TrajectoriesTo identify the orthogonal trajectories for these parabolas, the first step...
22
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

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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...
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相关实验视频

Updated: Jan 18, 2026

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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用无人机安装PTZ摄像头进行缩放辅助覆盖路径规划的模拟框架.

Natalia Chacon Rios1, Sabyasachi Mondal1, Antonios Tsourdos1

  • 1Faculty of Engineering and Applied Science, Cranfield University, College Rd., Wharley End, Bedford MK43 0AL, UK.

Sensors (Basel, Switzerland)
|September 13, 2025
PubMed
概括

本研究引入了一种使用实时摄像头变焦的空中覆盖路径规划方法. 这种方法大大减少了无人驾驶飞行器在不同地形上的飞行时间和路径长度.

科学领域:

  • 机器人和自动化 机器人和自动化
  • 地理空间分析的研究.
  • 空中测量 - 空中测量

背景情况:

  • 节能空中覆盖对于无人机任务至关重要,特别是在具有挑战性的丘陵地形上,需要一致的地面分辨率.
  • 传统的方法依赖于高度调整,导致高能耗.
  • 保持恒定的地面采样距离 (GSD) 对于准确的数据采集至关重要.

研究的目的:

  • 为在可变地形上运行的无人机开发一个节能覆盖路径规划 (CPP) 算法.
  • 通过使用实时摄像头变焦控制,在没有持续的高度变化的情况下保持恒定的GSD.
  • 与传统的基于高度的策略相比,减少飞行时间和路径长度.

主要方法:

  • 开发了一种新的CPP算法,集成了一台Pan-Tilt-Zoom (PTZ) 摄像机的实时变焦控制.
  • 该算法根据地形高度动态调整相机的焦距,以保持恒定的GSD.
  • 无人机高度仅在达到摄像头变焦极限时才能调整.

主要成果:

  • 跨不同地形形状的模拟表明,使用基于变焦的CPP,飞行时间和路径长度大幅减少.
  • 拟议的方法在能源效率方面明显优于传统的基于高度的覆盖策略.
  • 该框架可适应具有有限变焦能力的低成本摄像头系统.
关键词:
覆盖路径规划 覆盖路径规划能源效率是指能效的能源效率.地面采样距离地面采样距离泛至t 变焦摄像头基于传感器的适应.具有地形意识的成像技术.无人驾驶飞行器 无人驾驶飞行器 无人驾驶飞行器变焦补偿 变焦补偿

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结论:

  • 基于变焦的CPP算法为无人机在丘陵地形上的空中覆盖提供了更节能的解决方案.
  • 这种方法通过减少能源需求和飞行时间来提高无人机任务的运营可行性.
  • 建议进行进一步的研究和现场验证,以探索这项技术的全部潜力.