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Passive Internet of Events Enabled by Broadly Compatible Self-Powered Visualized Platform Toward Real-Time

Chaojie Chen1, Haoran Zhang2, Guoqiang Xu1

  • 1Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong Shatin, N.T. Hong Kong, Hong Kong, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|October 23, 2023
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Summary

A new self-powered visualized platform (SPVP) enables a passive internet of events (IoE) network for enhanced surveillance. This system visualizes sensor data using LEDs, allowing cameras to detect events like intrusions and fires rapidly.

Keywords:
passive IoEself-powered visualized platformsurveillancetriboelectric nanogeneratorswireless sensing

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Area of Science:

  • * Materials Science and Engineering
  • * Internet of Things (IoT)
  • * Surveillance Technology

Background:

  • * Effective surveillance in complex environments is challenging due to limitations in traditional sensor networks.
  • * Incompatibility between energy harvesters, sensors, and wireless modules hinders the deployment of self-powered wireless sensor nodes.
  • * Existing systems struggle with seamless integration and broad compatibility for diverse surveillance applications.

Purpose of the Study:

  • * To develop a broadly compatible self-powered visualized platform (SPVP) for passive internet of events (IoE) networks.
  • * To enable real-time event monitoring and identification using commercial resistive sensors and visible light communication.
  • * To create a universal scheme for enhanced surveillance in smart cities.

Main Methods:

  • * Development of a self-powered visualized platform (SPVP) encoding electrical signals into LED outputs.
  • * Utilization of commercial resistive sensors with a wide working range (<10^7 Ω).
  • * Integration with surveillance cameras for visible light signal capture and cloud-based processing.

Main Results:

  • * SPVP successfully visualizes resistance changes from commercial sensors, enabling passive IoE network construction.
  • * The system achieved a transmission distance of up to 30 meters.
  • * Demonstrated rapid detection (30 ms) of various events including intrusion, theft, fire, and distress signals over 10^6 cycles.

Conclusions:

  • * The developed passive-IoE-based surveillance system offers a robust and compatible solution for event detection.
  • * SPVP facilitates real-time monitoring, identification, and encrypted data access via a phone application.
  • * This universal scheme holds significant potential for advancing safety and security in smart city initiatives.