PCA-Driven Adaptive Sensor Triage for Edge AI Inference

Fuente: arXiv
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Autori principali: Lade, Ankit Hemant, Jasti, Sai Krishna, Sinha, Nikhil, Kumar, Indar, Tiwari, Akanksha
Natura: Preprint
Pubblicazione: 2026
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author Lade, Ankit Hemant
Jasti, Sai Krishna
Sinha, Nikhil
Kumar, Indar
Tiwari, Akanksha
author_facet Lade, Ankit Hemant
Jasti, Sai Krishna
Sinha, Nikhil
Kumar, Indar
Tiwari, Akanksha
contents Multi-channel sensor networks in industrial IoT often exceed available bandwidth. We propose PCA-Triage, a streaming algorithm that converts incremental PCA loadings into proportional per-channel sampling rates under a bandwidth budget. PCA-Triage runs in O(wdk) time with zero trainable parameters (0.67 ms per decision). We evaluate on 7 benchmarks (8--82 channels) against 9 baselines. PCA-Triage is the best unsupervised method on 3 of 6 datasets at 50% bandwidth, winning 5 of 6 against every baseline with large effect sizes (r = 0.71--0.91). On TEP, it achieves F1 = 0.961 +/- 0.001 -- within 0.1% of full-data performance -- while maintaining F1 > 0.90 at 30% budget. Targeted extensions push F1 to 0.970. The algorithm is robust to packet loss and sensor noise (3.7--4.8% degradation under combined worst-case).
format Preprint
id arxiv_https___arxiv_org_abs_2604_05045
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle PCA-Driven Adaptive Sensor Triage for Edge AI Inference
Lade, Ankit Hemant
Jasti, Sai Krishna
Sinha, Nikhil
Kumar, Indar
Tiwari, Akanksha
Machine Learning
Artificial Intelligence
Systems and Control
I.2.6; C.3
Multi-channel sensor networks in industrial IoT often exceed available bandwidth. We propose PCA-Triage, a streaming algorithm that converts incremental PCA loadings into proportional per-channel sampling rates under a bandwidth budget. PCA-Triage runs in O(wdk) time with zero trainable parameters (0.67 ms per decision). We evaluate on 7 benchmarks (8--82 channels) against 9 baselines. PCA-Triage is the best unsupervised method on 3 of 6 datasets at 50% bandwidth, winning 5 of 6 against every baseline with large effect sizes (r = 0.71--0.91). On TEP, it achieves F1 = 0.961 +/- 0.001 -- within 0.1% of full-data performance -- while maintaining F1 > 0.90 at 30% budget. Targeted extensions push F1 to 0.970. The algorithm is robust to packet loss and sensor noise (3.7--4.8% degradation under combined worst-case).
title PCA-Driven Adaptive Sensor Triage for Edge AI Inference
topic Machine Learning
Artificial Intelligence
Systems and Control
I.2.6; C.3
url https://arxiv.org/abs/2604.05045