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相关概念视频

Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

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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...
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Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

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Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
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Adjusting a Traverse01:12

Adjusting a Traverse

58
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
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Collisions in Multiple Dimensions: Problem Solving01:06

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In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
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In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
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相关实验视频

Updated: Jul 2, 2025

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
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基于六向搜索方案的三维路径规划.

Kene Li1,2, Liuying Li1, Chunyi Tang1

  • 1School of Automation, Guangxi University of Science and Technology, Liuzhou 545006, China.

Sensors (Basel, Switzerland)
|February 24, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种基于神经网络的六方向搜索,用于在3D环境中进行自动水下车辆 (AUV) 路径规划. 优化的方法提高了复杂的水下导航的效率.

关键词:
3D路径规划 3D路径规划自主水下车辆自主水下车辆碰撞能量 碰撞能量神经网络的神经网络的神经网络

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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
  • 海洋工程 海洋工程

背景情况:

  • 在具有多个障碍的3D环境中,自动水下车辆 (AUV) 的路径规划存在重大挑战.
  • 现有的方法可能会在复杂的水下环境中努力提高效率,避免采用低于最佳的路径.

研究的目的:

  • 开发一个高效和有效的路径规划方案,用于在3D水下环境中运行的AUV与静止障碍.
  • 解决现有算法在处理多个障碍物和生成合理短路径方面的局限性.

主要方法:

  • 提出了一个六方向搜索方案,利用神经网络来构建障碍能量.
  • 引入路径能量是为了惩罚过长的路线.
  • 采用两种优化技术:动态调整搜索步骤长度和减少路径节点.

主要成果:

  • 拟议的方案有效地规划了AUV在3D环境中的多个障碍物中的路径.
  • 优化方法显著减少代数和总路径搜索时间.
  • 该算法避免了过早的融合,并提高了整体规划性能.

结论:

  • 基于神经网络的六方向搜索方案为AUV在复杂的水下环境中的路径规划提供了有效的解决方案.
  • 实施的优化策略提高了路径规划算法的效率和可靠性.
  • 模拟结果证实了拟议方法的实际适用性和性能增长.