在蒙特卡洛定位的运动模型中的动态噪声适应,以获得一致的定位
1Department of Electronics Engineering, Chosun University, Gwangju 61452, Republic of Korea.
Sensors (Basel, Switzerland)
|March 14, 2026
概括
本研究介绍了一种动态噪声适应技术,以改善移动机器人的蒙特卡罗本地化 (MCL). 该方法在工业环境中提高了实时准确性和一致性,在模拟和现实测试中实现了较低的定位误差.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 计算机视觉 计算机视觉
- 人工智能的人工智能
背景情况:
- 精确的移动机器人本地化对于工厂和仓库等工业环境中的自主操作至关重要.
- 现有的基于注册的本地化方法在大型环境中面临初始估计,计算负载和实时性能方面的挑战.
- 精确任务通常需要厘米到毫米的精度.
研究的目的:
- 为了提高移动机器人的蒙特卡洛本地化 (MCL) 的准确性和一致性.
- 克服传统本地化算法的局限性,包括依赖初始估计和计算需求.
- 引入一种新的动态噪声适应 (DNA) 技术,以优化MCL中的运动噪声.
主要方法:
- 在蒙特卡洛本地化 (MCL) 算法中实施了动态噪声适应 (DNA) 技术.
- 利用来自光检测和测距 (LiDAR) 数据的非透率作为可靠性指标来优化运动噪声.
- 在模拟和现实世界的实验中对扩展蒙特卡洛本地化2 (EMCL2) 和自适应的蒙特卡洛本地化 (AMCL) 进行了评估.
主要成果:
- 拟议的DNA-MCL算法在模拟环境中与EMCL2和AMCL相比显示出较低的局部化误差.
- 现实世界的实验证实了与参考轨迹相比,局部化误差的持续减少.
- 该方法有效地提高了实时定位准确性和估计一致性.
结论:
- 动态噪声适应技术显著提高了移动机器人的蒙特卡洛本地化性能.
- 这种方法为要求高的工业环境中高精度定位提供了可靠的解决方案.
- 非透率是基于LiDAR定位的自适应运动噪声优化的有效指标.
相关概念视频
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
383
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
383
Relative Motion Analysis - Acceleration
1000
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
1000
Relative Motion Analysis using Rotating Axes - Acceleration
955
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. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
Time differentiation is...
955
Relative Motion Analysis - Velocity
890
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
890
Relative Motion Analysis using Rotating Axes
1.0K
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...
1.0K
Absolute Motion Analysis- General Plane Motion
663
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...
663


