# Sensor Placement with Optimal Precision for Temperature Estimation of Battery Systems

**Authors:** Vedang M. Deshpande, Raktim Bhattacharya, Kamesh Subbarao  
**arXiv:** [2105.05976](https://arxiv.org/abs/2105.05976)  
**Date:** 2021-05-12  
**Summary page:** https://www.summarizepaper.com/en/arxiv-id/2105.05976v1/

## Key points

- Temperature distribution crucial for battery system performance
- Importance of accurate temperature field estimation for efficient, safe, and reliable operation of batteries
- Challenge of conservative industry standard sensor to battery cell ratio in large-scale systems
- Proposal of a novel greedy approach for sensor placement tailored for large-scale battery systems
- Methodology involves designing an observer within an $\mathcal{H}_{\infty}$ framework to estimate thermal fields and optimize sensor precisions simultaneously
- Minimizing sensor requirements can reduce economic cost of thermal management systems
- Emphasis on significance of temperature monitoring in battery systems and practical solution through strategic sensor placement strategies

## Summary

In their study "Sensor Placement with Optimal Precision for Temperature Estimation of Battery Systems," authors Vedang M. Deshpande, Raktim Bhattacharya, and Kamesh Subbarao explore the crucial impact of temperature distribution on battery system performance. They stress the importance of accurate temperature field estimation for efficient, safe, and reliable operation of batteries. The authors highlight a key challenge in the conservative industry standard sensor to battery cell ratio which complicates sensor placement for precise temperature estimation in large-scale systems. To tackle this issue, the researchers propose a novel greedy approach for sensor placement specifically tailored for large-scale battery systems. Their methodology involves designing an observer within an $\mathcal{H}_{\infty}$ framework to estimate thermal fields while optimizing sensor precisions simultaneously. By minimizing sensor requirements, the overall economic cost of thermal management systems can be reduced. This innovative study not only emphasizes the significance of temperature monitoring in battery systems but also offers a practical solution to enhance accuracy and efficiency through strategic sensor placement strategies. The findings presented by Deshpande, Bhattacharya, and Subbarao pave the way for advancements in thermal management practices within the realm of battery technology.