arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1910.00529cs.ROeess.SP
收藏

基于数据驱动的足载惯性导航零速检测

Robust Data-Driven Zero-Velocity Detection for Foot-Mounted Inertial Navigation

University of Toronto Institute for Aerospace Studies(多伦多大学航空航天研究所)

Brandon Wagstaff, Valentin Peretroukhin, Jonathan Kelly

摘要:

我们提出了两种新的技术,用于检测零速度事件,以提高脚装式惯性导航。我们的第一种技术增强了一个经典的零速度检测器,结合运动分类器,自适应更新检测器的阈值参数。我们的第二种技术使用长短期记忆(LSTM)递归神经网络从原始惯性数据中分类零速度事件,与大多数依赖于基本统计假设检验的零速度检测方法相反。我们证明,我们提出的检测器实现更高的精度比现有的检测器的轨迹,包括步行,跑步,爬楼梯运动。此外,我们提出了一个简单的数据增强方法,该方法能够扩展基于LSTM的模型到不同的惯性传感器,而不需要收集新的训练数据。

英文摘要:

We present two novel techniques for detecting zero-velocity events to improve foot-mounted inertial navigation. Our first technique augments a classical zero-velocity detector by incorporating a motion classifier that adaptively updates the detector's threshold parameter. Our second technique uses a long short-term memory (LSTM) recurrent neural network to classify zero-velocity events from raw inertial data, in contrast to the majority of zero-velocity detection methods that rely on basic statistical hypothesis testing. We demonstrate that both of our proposed detectors achieve higher accuracies than existing detectors for trajectories including walking, running, and stair-climbing motions. Additionally, we present a straightforward data augmentation method that is able to extend the LSTM-based model to different inertial sensors without the need to collect new training data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑