在UWB中基于权重融合反向传播的自动跟踪,用于物联网设备的物联网设备
Boliang Zhang1, Lu Shen1, Jiahua Yao1
1Faculty of Applied Sciences, Macao Polytechnic University, Macao SAR, China.
Sensors (Basel, Switzerland)
|February 24, 2024
概括
一个新的移动物联网 (IoT) 设备使用超宽带 (UWB) 技术精确追踪和跟踪用户,帮助弱势群体. 这一创新系统增强了老年人和残疾人的流动性援助.
科学领域:
- 机器人和自动化 机器人和自动化
- 物联网 (IoT) 的物联网 (IoT) 的物联网.
- 传感器融合和定位
背景情况:
- 全球人口老龄化在帮助老年人和残疾人等弱势群体进行物体运输方面面临重大挑战.
- 现有的移动辅助解决方案往往缺乏在复杂环境中的精度和适应性.
研究的目的:
- 开发一种使用超宽带 (UWB) 技术的移动物联网设备,以实现精确的定位和自主跟踪.
- 创建一个全面的实验平台,整合自主跟踪,机器人手臂,避障和平面控制.
- 加强对弱势群体的流动性援助,包括老年人,残疾人,孕妇和儿童.
主要方法:
- 实施超宽带 (UWB) 技术,用于精确的设备定位和跟踪.
- 集成了一个自主跟踪系统,机器人手臂,超声波避难障碍和自动平衡控制.
- 开发和应用混合过权重融合反传播 (HFWF-BP) 神经网络本地化算法.
主要成果:
- 拟议的HFWF-BP算法有效预处理数据,消除多因素干扰引起的错误.
- 显著提高了UWB定位和跟踪系统的精度和防干扰能力.
- 成功部署和实验验证全面实验平台的功能.
结论:
- 使用UWB技术开发的移动物联网设备为移动辅助提供了精确可靠的解决方案.
- HFWF-BP算法在具有挑战性的环境中表现出卓越的性能,提高了定位准确性.
- 这项研究为开发弱势群体的辅助技术和推进物联网应用提供了有价值的参考资料.
相关概念视频
Field Application of Global Positioning System
45
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
45
Linear Approximation in Frequency Domain
91
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
91
State Space to Transfer Function
205
The conversion of state-space representation to a transfer function is a fundamental process in system analysis. It provides a method for transitioning from a time-domain description to a frequency-domain representation, which is crucial for simplifying the analysis and design of control systems.
The transformation process begins with the state-space representation, characterized by the state equation and the output equation. These equations are typically represented as:
The transformation process begins with the state-space representation, characterized by the state equation and the output equation. These equations are typically represented as:
205
Propagation Speed of Electromagnetic Waves
3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K
IR Frequency Region: Fingerprint Region
893
IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...
893


