无人地面车辆的自主探索方法基于增量B-Spline概率路线图
Xingyang Feng1, Hua Cong1, Yu Zhang1
1Army Academy of Armored Forces, Beijing 100072, China.
Sensors (Basel, Switzerland)
|June 27, 2024
概括
本研究介绍了IB-PRM,这是一种无人地面车辆 (UGV) 自主探索的新方法. 它通过将增量B-splines与概率路线图相结合,提高了未知的环境中的勘探效率.
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
- 自主系统 自主系统
背景情况:
- 自主探索对无人地面车辆 (UGV) 至关重要,但面临着有限的传感和非全方位限制等挑战.
- 由于保守的策略和决策的局限性,现有的方法在复杂,未知的地形中难以有效导航.
研究的目的:
- 介绍一下IB-PRM,它是用于在复杂的未知环境中快速UGV勘探的层次规划方法.
- 通过纳入UGV特定约束和改进决策来解决当前勘探技术的局限性.
主要方法:
- 开发了一个新的边界结构,整合了信息获取和B-spline曲线,以适应UGV的非全学约束.
- 使用一种混合方法,将增量B分线与概率路线图 (IB-PRM) 结合起来.
- 为边境管理构建了本地和全球图形,为全球路径规划解决了旅行销售员问题 (TSP),并使用时间弹性带 (TEB) 算法优化了路径.
主要成果:
- 与现有的先进方法相比,IB-PRM在各种模拟场景中证明了探索效率的提高.
- 该方法成功地生成了优化为UGV动态的平滑,连续和可行的本地轨迹.
- 实验结果证实了拟议的边界结构和层次规划方法的有效性.
结论:
- IB-PRM显著提高了UGV在复杂未知的环境中自主探索的效率.
- 增量B线和概率路线图的整合,以及量身定制的边界定义,有效地克服了UGV特定的导航挑战.
- 这种方法为需要快速高效的自主勘探的实际UGV应用提供了强大的解决方案.
相关概念视频
Rolling Resistance: Problem Solving
319
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...
319
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...
Here, in order to determine the magnitude of velocity and acceleration for point...
395
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...
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
Absolute Motion Analysis- General Plane Motion
219
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...
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
Propagation of Uncertainty from Random Error
676
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
676
Relative Motion Analysis using Rotating Axes
456
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...
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...
456


