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Deep Learning-Based Real-Time Building Occupancy Detection Using AMI Data
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DOI：10.1109/TSG.2020.2982351.png)
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Building occupancy patterns facilitate successful development of the smart grid by enhancing building-to-grid integration efficiencies. Current occupancy detection is limited by the lack of widely deployed non-intrusive sensors and the insufficient learning power of shallow machine learning algorithms. This paper seeks to detect real-time building occupancy from Advanced Metering Infrastructure (AMI) data based on a deep learning architecture. The developed deep learning model consists of a convolutional neural network (CNN) and a long short-term memory (LSTM) network. Specifically, a CNN with convolutional and max-pooling layers extracts spatial features in the AMI data. Then, the forward and backward dependencies within the CNN feature maps are learned by a bidirectional LSTM (BiLSTM) structure with three hidden layers. Case studies based on a publicly available dataset show that the developed CNN-BiLSTM model consistently and robustly outperforms the state-of-the-art machine learning classifiers and other advanced deep learning architectures with around 90% occupancy detection accuracy and high detection confidence.
Keyword:
Hidden Markov models
Feature extraction
Load management
Buildings
Deep learning
Real-time systems
Sensors
Deep learning
convolutional neural network
long short-term memory
smart meter
building occupancy detection
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