Anomaly Detection in Smart Buildings using Federated Learning

Originally aired:

About the Session

A modern smart building has a number of internet-enabled devices. IoT sensors to measure temperature, internet-enabled lighting, IP camera, IP Phone, etc. Data is generated at scale across all the devices. There are two critical aspects of the network of devices to function well:

  • Data Quality - The data that is generated has to be correct (typically within an accepted error range).
  • Security - with a number of internet-connected devices, securing the network from cyber threats is very important.

But there are two broad challenges to achieve the above:

  • The data collected are very sensitive to the business operations and hence the solution has to be privacy-preserving.
  • The amount of data generated is huge and is not feasible to upload all of them to the cloud.

In this short talk, Tuhin will explain how he used Federated learning to build anomaly detection models that monitor data quality and cyber security - while preserving data privacy.

Federated learning enables Edge devices to collaboratively learn a machine learning model but keeping all of the data on the device itself. Instead of moving data to the cloud, the models are trained on the device and only the updates of the model are shared across the network. Using federated learning gave us the following advantages:

  • More accurate and Low latency models: The data are not moved. Only the model updates are shared. This results in models having low latency (since the models are on the device) and are also more accurate.
  • Privacy Preserving: The data remains on the device.
  • Energy Efficient: The workload on the device is drastically reduced - leading to lesser power consumption and longer device life.

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