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Development of Low-Cost IoT Units for Thermal Comfort Measurement and AC Energy Consumption Prediction System

2024/11/29 by Yutong Chen, Chen, Yutong, Daisuke Sumiyoshi +8
Engineering · Social Sciences · Computer Science · #Engineering Applied Research #Energy and Environmental Systems #Internet of Things and Social Network Interactions

paper · pdf · doi:10.48550/arxiv.2411.19536

Abstract

In response to the substantial energy consumption in buildings, the Japanese government initiated the BI-Tech (Behavioral Insights X Technology) project in 2019, aimed at promoting voluntary energy-saving behaviors through the utilization of AI and IoT technologies. Our study aimed at small and medium-sized office buildings introduces a cost-effective IoT-based BI-Tech system, utilizing the Raspberry Pi 4B+ platform for real-time monitoring of indoor thermal conditions and air conditioner (AC) set-point temperature. Employing machine learning and image recognition, the system analyzes data to calculate the PMV index and predict energy consumption changes due to temperature adjustments. The integration of mobile and desktop applications conveys this information to users, encouraging energy-efficient behavior modifications. The machine learning model achieved with an R2 value of 97%, demonstrating the system's efficiency in promoting energy-saving habits among users.

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