Motion-Coupled Sensing: When the State Change Powers Its Own Sensing

Fuente: arXiv
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Autori principali: Tahir, Muhammad, Baig, Muhammad Mubbashar, Irfan, Umer, Ahad, Muhammad, Bhatti, Naveed Anwar
Natura: Preprint
Pubblicazione: 2026
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author Tahir, Muhammad
Baig, Muhammad Mubbashar
Irfan, Umer
Ahad, Muhammad
Bhatti, Naveed Anwar
author_facet Tahir, Muhammad
Baig, Muhammad Mubbashar
Irfan, Umer
Ahad, Muhammad
Bhatti, Naveed Anwar
contents Batteryless IoT systems have largely followed two paths: ambient-energy sensing, where energy arrival is decoupled from the event being monitored, and kinetic event telegrams, where a user actuation powers a short report of the actuation itself. Mechanically gated states expose a third case: the access motion is not only an event to report, but the moment at which a latent physical state may have changed and must be measured. We show that routine hinge motion can supply enough energy for one bounded wake-sense-transmit transaction, including ultrasonic sensing and a long-range LoRa uplink. We call this principle motion-coupled sensing and instantiate it with an open-source compact electromagnetic harvester that retrofits to bins, doors, and cabinets with no structural modification. We size the platform for the most demanding workload, waste-bin monitoring, where each actuation must power both an ultrasonic measurement and a long-range LoRa uplink. Across five campus locations and 5,945 lid actuations, the bin deployment achieves 99.3% per-event transmission reliability. Field deployments on room doors with 1,870 actuations and office cabinets with 1,636 actuations achieve 92% and 94% transmission success respectively, demonstrating that the same energy envelope transfers across hinge geometries without hardware redesign. These results show that mechanical access can be treated as a self-powered sensing transaction, removing periodic polling and scheduled battery maintenance for IoT deployments.
format Preprint
id arxiv_https___arxiv_org_abs_2605_19793
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Motion-Coupled Sensing: When the State Change Powers Its Own Sensing
Tahir, Muhammad
Baig, Muhammad Mubbashar
Irfan, Umer
Ahad, Muhammad
Bhatti, Naveed Anwar
Networking and Internet Architecture
Emerging Technologies
Systems and Control
Batteryless IoT systems have largely followed two paths: ambient-energy sensing, where energy arrival is decoupled from the event being monitored, and kinetic event telegrams, where a user actuation powers a short report of the actuation itself. Mechanically gated states expose a third case: the access motion is not only an event to report, but the moment at which a latent physical state may have changed and must be measured. We show that routine hinge motion can supply enough energy for one bounded wake-sense-transmit transaction, including ultrasonic sensing and a long-range LoRa uplink. We call this principle motion-coupled sensing and instantiate it with an open-source compact electromagnetic harvester that retrofits to bins, doors, and cabinets with no structural modification. We size the platform for the most demanding workload, waste-bin monitoring, where each actuation must power both an ultrasonic measurement and a long-range LoRa uplink. Across five campus locations and 5,945 lid actuations, the bin deployment achieves 99.3% per-event transmission reliability. Field deployments on room doors with 1,870 actuations and office cabinets with 1,636 actuations achieve 92% and 94% transmission success respectively, demonstrating that the same energy envelope transfers across hinge geometries without hardware redesign. These results show that mechanical access can be treated as a self-powered sensing transaction, removing periodic polling and scheduled battery maintenance for IoT deployments.
title Motion-Coupled Sensing: When the State Change Powers Its Own Sensing
topic Networking and Internet Architecture
Emerging Technologies
Systems and Control
url https://arxiv.org/abs/2605.19793