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Automatic Tracking Based on Weighted Fusion Back Propagation in UWB for IoT Devices
Boliang Zhang1, Lu Shen1, Jiahua Yao1
1Faculty of Applied Sciences, Macao Polytechnic University, Macao SAR, China.
Sensors (Basel, Switzerland)
|February 24, 2024
Summary
A new mobile Internet of Things (IoT) device uses Ultra-Wideband (UWB) technology to precisely track and follow users, aiding vulnerable populations. This innovative system enhances mobility assistance for the elderly and disabled.
Area of Science:
- Robotics and Automation
- Internet of Things (IoT)
- Sensor Fusion and Localization
Background:
- Global population aging presents significant challenges in assisting vulnerable groups like the elderly and disabled with object transport.
- Existing mobility assistance solutions often lack precision and adaptability in complex environments.
Purpose of the Study:
- To develop a mobile IoT device utilizing Ultra-Wideband (UWB) technology for precise localization and autonomous following.
- To create a comprehensive experimental platform integrating autonomous following, robotic arm, obstacle avoidance, and leveling control.
- To enhance mobility assistance for vulnerable populations including the elderly, disabled, pregnant women, and children.
Main Methods:
- Implementation of Ultra-Wideband (UWB) technology for precise device localization and tracking.
- Integration of an autonomous following system, robotic arm, ultrasonic obstacle avoidance, and automatic leveling control.
- Development and application of a hybrid filtering-weighted fusion back propagation (HFWF-BP) neural network localization algorithm.
Main Results:
- The proposed HFWF-BP algorithm effectively preprocesses data, eliminating errors caused by multi-factor interference.
- Significant enhancement in the precision and anti-interference capabilities of the UWB localization and following system.
- Successful deployment and experimentation validating the comprehensive experimental platform's functionality.
Conclusions:
- The developed mobile IoT device with UWB technology offers a precise and reliable solution for mobility assistance.
- The HFWF-BP algorithm demonstrates superior performance in challenging environments, improving localization accuracy.
- This research provides valuable references for developing assistive technologies for vulnerable populations and advancing IoT applications.
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