论文标题
MORPI：移动机器人纯惯性导航
MoRPI: Mobile Robot Pure Inertial Navigation
论文作者
论文摘要
移动机器人用于工业，休闲和军事应用。在某些情况下，机器人导航解决方案仅依赖于惯性传感器，因此，导航解决方案会及时漂移。在本文中，我们提出了MORPI框架，这是一种移动机器人纯惯性方法。机器人没有以直线轨迹行进，而是以周期性运动轨迹移动，以实现峰值估计。以这种方式，使用经验公式来估计行进距离，而不是进行经典惯性解决方案中的机器人位置来计算机器人位置。提出了两种类型的MORPI方法，其中一种方法基于加速度计和陀螺仪读数，而另一种仅基于陀螺仪。封闭形式的分析解决方案被得出表明，与经典的纯惯性溶液相比，MORPI产生较低的位置误差。此外，为了评估所提出的方法，使用配备两种类型的惯性传感器的移动机器人进行现场实验。总共收集并评估了143个轨迹，持续时间为75分钟。结果表明使用我们的方法的好处。为了促进提出的方法的进一步开发，数据集和代码均可在https://github.com/ansfl/morpi上公开获取。
Mobile robots are used in industrial, leisure, and military applications. In some situations, a robot navigation solution relies only on inertial sensors and as a consequence, the navigation solution drifts in time. In this paper, we propose the MoRPI framework, a mobile robot pure inertial approach. Instead of travelling in a straight line trajectory, the robot moves in a periodic motion trajectory to enable peak-to-peak estimation. In this manner, instead of performing three integrations to calculate the robot position in a classical inertial solution, an empirical formula is used to estimate the travelled distance. Two types of MoRPI approaches are suggested, where one is based on both accelerometer and gyroscope readings while the other is only on gyroscopes. Closed form analytical solutions are derived to show that MoRPI produces lower position error compared to the classical pure inertial solution. In addition, to evaluate the proposed approach, field experiments were made with a mobile robot equipped with two types of inertial sensors. In total, 143 trajectories with a time duration of 75 minutes were collected and evaluated. The results show the benefits of using our approach. To facilitate further development of the proposed approach, both dataset and code are publicly available at https://github.com/ansfl/MoRPI.
