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Journal Articles IEEE Internet of Things Journal Year : 2023

Codesigned Communication and Data Analytics for Condition-Based Maintenance in Smart Buildings

Abstract

With the proliferation of cheap sensors and the ubiquity of cloud and edge computing, predictive/condition-based maintenance is expected to play an important role in smart homes and buildings. Nevertheless, a key difficulty is ensuring that sensors provide data of sufficient quality in order to reliably detect building (e.g., heating system) degradation in systems or comfort. At the same time, sensor utilization should be limited as much as possible in order to minimize power consumption and increase the lifetimes of batteries. A solution to this problem requires careful codesign of sensor communication and data analytics. In this paper, we introduce a formulation of this codesign problem, which is based on an optimization problem to jointly design how often data is collected and compression levels in order to balance the quality of fault detection with the quantity of transmitted data. To solve the optimization problem, we apply a differentiable search algorithm based on a variant of stochastic gradient descent for discrete optimization problems. We apply our codesign framework and solve the resulting optimization problem using data obtained from a building comfort experiment known as the Twin House Experiment. We also provide an extension of our algorithm to a dynamic variant of the codesign framework, where comfort levels and power consumption penalties are time varying. Numerical results show that our algorithm rapidly finds an efficient tradeoff between classifier accuracy and sensor power consumption.
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Dates and versions

hal-04361059 , version 1 (22-12-2023)

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Naveed Ahmad, Malcolm Egan, Jean-Marie Gorce, Jilles Dibangoye, Frédéric Le Mouël. Codesigned Communication and Data Analytics for Condition-Based Maintenance in Smart Buildings. IEEE Internet of Things Journal, 2023, 10 (18), pp.15847-15856. ⟨10.1109/JIOT.2023.3266029⟩. ⟨hal-04361059⟩
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