Abstract
Valve-regulated lead-acid (VRLA) battery, owning the huge market, plays an important role in all aspects of industries. A VRLA battery sometimes called sealed lead-acid (SLA) or maintenance-free battery, however, the safety of VRLA has been a wide concern since it is prone to self-heating problems which generate extra cost or even cause accidents when the internal temperature (IT) of VRLA is out of range. To prevent potential hazards, effective internal VRLA temperature monitoring methods are in need of further management. In this paper, a narrowband (NB) Internet of thing (IoT) connected VRLA battery internal temperature prediction (VBITP) algorithm is developed to provide early warning of battery temperature. In VBITP, the internal temperature is estimated by ambient temperature (AT) and input current (IC) through a pre-trained prediction model. The measured temperature data will be sent to the backend server using NB-IoT. A kind of recurrent neural network, nonlinear autoregressive exogenous (NARX) is applied to find the potential relationship between the input AT, IC and the output IT and train this model. The experimental results show that VBITP could estimate the IT of VRLA battery with an error rate of 0.04. © 2019 ICAE.
| Original language | English |
|---|---|
| Title of host publication | Innovative Solutions for Energy Transitions: Part V |
| Place of Publication | Stockholm, Sweden |
| Publisher | Scanditale AB |
| DOIs | |
| Publication status | Published - Aug 2019 |
| Event | 11th International Conference on Applied Energy (ICAE 2019): Innovative Solutions for Energy Transitions - Västerås, Sweden Duration: 12 Aug 2019 → 15 Aug 2019 https://www.energy-proceedings.org/volumes/ https://applied-energy.org/icae2019/wp-content/uploads/2019/08/18.pdf |
Publication series
| Name | Energy Proceedings |
|---|---|
| Volume | 6 |
| ISSN (Print) | 2004-2965 |
Conference
| Conference | 11th International Conference on Applied Energy (ICAE 2019) |
|---|---|
| Abbreviated title | ICAE2019 |
| Place | Sweden |
| City | Västerås |
| Period | 12/08/19 → 15/08/19 |
| Internet address |
Funding
The project is sponsored by the project titled “The design of self-sustainable wireless sensor network mod-ule for telemedicine”, the City University of Hong Kong with project number 9678057.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Research Keywords
- internal temperature prediction
- narrowband internet of thing
- NARX neural network
- VRLA battery
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