Multifunctional Self-Powered Switch toward Delay-Characteristic Sensors
Source abstract
Abstract
With the development of the internet of things (IoT) and 5th generation communication technology, construction of smart cities is making a great progress. However, the IoT system needs millions of sensing nodes; therefore, it is rather challenging to power various sensors. Here, we design an electrostatic force-based switch (EFS) that can work as either an optical or an electrical switch. The EFS provides a method to directly detect or control high-voltage electrical systems with delay characteristics. Advantages of the EFS include self-contained delay characteristics, ease of fabrication, low cost, and high stability, especially when used in combination with the triboelectric nanogenerator (TENG) to realize self-powered sensors. Based on the self-powered sensor, a mechanical motion-sensing system is built with high sensitivity and active response to the mechanical trigger. This study proposes a multifunctional self-powered switch, which realizes a high-voltage delay control system and can also combine with the TENG to expand the application of self-powered smart sensing systems.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Tactile and Sensory Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
Funding
Research Grants Council, University Grants Committee · Shun Hing Institute of Advanced Engineering · Innovation and Technology Commission · Chinese University of Hong Kong
References (36)
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