Denoising and Adaptive Online Vertical Federated Learning for Sequential Multi-Sensor Data in Industrial Internet of Things

TL;DR

This paper introduces DAO-VFL, a novel federated learning algorithm designed for real-time, multi-sensor industrial data, effectively reducing noise and adapting to data shifts while preserving privacy and reducing communication costs.

Contribution

The paper proposes DAO-VFL, a new adaptive, denoising federated learning method tailored for sequential multi-sensor data in industrial IoT environments, with theoretical analysis and real-world validation.

Findings

DAO-VFL outperforms benchmark algorithms in experiments.

Effective noise reduction improves learning accuracy.

Adaptive local updates enhance model convergence.

Abstract

With the continuous improvement in the computational capabilities of edge devices such as intelligent sensors in the Industrial Internet of Things, these sensors are no longer limited to mere data collection but are increasingly capable of performing complex computational tasks. This advancement provides both the motivation and the foundation for adopting distributed learning approaches. This study focuses on an industrial assembly line scenario where multiple sensors, distributed across various locations, sequentially collect real-time data characterized by distinct feature spaces. To leverage the computational potential of these sensors while addressing the challenges of communication overhead and privacy concerns inherent in centralized learning, we propose the Denoising and Adaptive Online Vertical Federated Learning (DAO-VFL) algorithm. Tailored to the industrial assembly line scenario, DAO-VFL effectively manages continuous data streams and adapts to shifting learning objectives. Furthermore, it can address critical challenges prevalent in industrial environment, such as communication noise and heterogeneity of sensor capabilities. To support the proposed algorithm, we provide a comprehensive theoretical analysis, highlighting the effects of noise reduction and adaptive local iteration decisions on the regret bound. Experimental results on two real-world datasets further demonstrate the superior performance of DAO-VFL compared to benchmarks algorithms.