期刊
IEEE INTERNET OF THINGS JOURNAL
卷 9, 期 10, 页码 7533-7544出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2021.3110886
关键词
Meters; Internet of Things; Power demand; Low-power electronics; Servers; Reliability; Costs; Cooperative sensor; gas manage system; gas meter; low-power consumption; Narrow-Band Internet of Things (NB-IoT); smart meter
资金
- National Key Research and Development Program of China [2021YFF0307001]
- National Natural Science Foundation of China [61827901, 61873021, 62088101]
- Special Fund for Basic Scientific Research in Central Colleges
- Universities-Youth Talent Support Program of Beihang University
- Key Laboratory of Precision OptoMechatronics Technology (Beihang University), Ministry of Education, China
This paper presents an ultralow-power sensing framework for smart gas meter, aiming to reduce the power consumption. The proposed gas meter features ultralow power consumption, high precision, and high reliability, as verified by experimental results.
Gas serves as one of the most indispensable energy sources for industrial production and household life. In order to improve the gas utilization efficiency, smart gas meters for the Internet of Things (IoT) has been designed to achieve two-way communication and remote control functions. However, the existing smart gas meter does not consider further reduction of power consumption. Thus, we designed an ultralow-power sensing framework for IoT and applied it to the smart gas meter. Based on a thorough analysis of the metering system, we propose an ultralow power system framework and a low-power peripheral management solution to reach ultralow power consumption. Also, we propose a cooperative sensing scheme to achieve stability and accuracy of gas volume detection. Finally, we implement a real smart gas manage system to evaluate our low-power smart gas meter solution. Verified by a comparative test, the proposed gas meter successfully reduces the power consumption by at least 37% compared to the baseline. The experimental results verify the innovative design and confirm that the proposed gas meter features ultralow power consumption, high precision, and high reliability.
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