相关实验视频
Updated: Jan 18, 2026

10:09
Operation of the Collaborative Composite Manufacturing CCM System
Published on: October 1, 2019
7.1K
基于梯度的时间延长潜在场方法,用于基于基础设施的合作驱动系统的实时路径规划.
1Department of Civil and Environmental Engineering, University of Science and Technology, Daejeon 34113, Republic of Korea.
Sensors (Basel, Switzerland)
|September 13, 2025
概括
本研究介绍了基于梯度的时间延长潜在场 (GT-PF) 以实现更安全的自动驾驶. 这种方法通过分析道路状况和障碍物来生成高效的实时路径,优于传统的规划技术.
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
- 计算机科学 计算机科学
背景情况:
- 自动驾驶系统需要高效和安全的实时路径生成.
- 现有的方法,如基于采样或基于优化的计划器,面临着计算方面的挑战.
研究的目的:
- 提出一种新的实时路径生成方法,即基于梯度的时间延长潜在场 (GT-PF),用于合作自动驾驶.
- 在动态环境中提高路径安全性,可行性和计算效率.
主要方法:
- 建模道路环境和动态障碍物作为一个时间变量的潜在场.
- 通过追踪潜在场的负梯度 (最的下降) 来生成路径.
- 整合以速度为导向的偏差来满足动力学约束和所需的巡航行为.
主要成果:
- 与基于采样的快速探索随机树 (RRT) 计划器相比,GT-PF方法显示出更高的运行时间效率和安全性.
- 通过轻量级计算,在时空领域实现了连续的轨迹生成.
- 该方法确保生成的路径符合车辆动力学约束和所需的速度.
结论:
- GT-PF方法提供了一个计算效率高和安全的解决方案,用于在合作自动驾驶中实时生成路径.
- 这种方法非常适合在动态交通场景中基于路边单位 (RSU) 的基础设施控制.
- 未来的研究将集中在复杂的城市环境和多代理集成上.
相关概念视频
Design Example: Alignment of a Road Line Using GIS
335
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
335
Indirect Motor Pathways
3.0K
The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
3.0K
Relative Motion Analysis using Rotating Axes-Problem Solving
704
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...
704
Field Application of Global Positioning System
323
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...
323
Direct Motor Pathways
4.2K
The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and...
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and...
4.2K
PD Controller: Design
624
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
624

