W-VSLAM:用于室内检查机器人的视觉映射算法
Dingji Luo1, Yucan Huang1, Xuchao Huang1
1School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China.
Sensors (Basel, Switzerland)
|September 14, 2024
概括
这项研究引入了一种视觉SLAM方法,将室内机器人的轮距计集成在一起,显著提高了绘图准确度. 增强的视觉同步定位和映射 (SLAM) 系统在机器人姿势估计中实现了卓越的精度,用于自主导航.
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:
- 室内检查机器人需要高精度的环境感知来绘制地图.
- 现有的视觉惯性系统面临着多余的自由度和加速度计漂移的不准确性.
研究的目的:
- 为室内移动机器人开发一个强大的视觉SLAM感知方法,整合轮距离计.
- 解决视觉惯性估计中的不准确性,以改善机器人绘图和定位.
主要方法:
- 在SE(2) 中参数化机器人身体姿势,在SE(3) 中参数化摄像头姿势.
- 使用前集成和边缘化理论推导视觉和姿势约束残余和雅可比矩阵.
- 为最佳的机器人姿势和地标点解决非线性优化.
主要成果:
- 拟议的方法在感知准确性方面明显优于ORBSLAM3.
- 实现了根平均平方误差 (RMSE) 改进,在翻译中达到89.2%,在绝对轨迹误差 (ATE) 中在旋转中达到98.5%.
- 证明了总体轨迹定位精度在5至17厘米之间.
结论:
- 集成的视觉SLAM方法提高了室内移动机器人的感知精度.
- 该方法为自主导航中的初步绘图和路径规划提供了可靠的基础.
- 在复杂的室内环境中精确定位的验证有效性.
相关概念视频
Relative Motion Analysis using Rotating Axes-Problem Solving
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...
Vectors in Space: Problem Solving
A chandelier suspended by multiple cables can be analyzed using principles of three-dimensional static equilibrium. In this setup, a chandelier weighing 1000 N is positioned at the origin of a three-dimensional coordinate system, while three ceiling anchor points are fixed at known locations above it. Each cable connects the chandelier to one anchor point and transmits a tensile force along its length.To find out the forces in the cables, the spatial direction of each cable must first be...


