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abstract indexed · arXiv 2610.13040 · updated 2026-10-18

Lightweight Time-Frequency Vibration Sensing for Consumer Device Condition Monitoring

First page of Lightweight Time-Frequency Vibration Sensing for Consumer Device Condition Monitoring
From the original paper · arXiv 2610.13040Page 1. Select the image to read the PDF.

This replaces heavier end-to-end 1-D deep models (or manual feature engineering) for vibration fault diagnosis with a two-stage pipeline: CWT or Hilbert-Huang conversion of raw vibration signals into 2-D time-frequency images, followed by lightweight image classifiers (MobileNetV3-Small, ConvNeXt-Tiny, YOLOv11-cls) sized for embedded CPUs. The cost is the added CWT/HHT preprocessing step on the edge device, image-based inference that is heavier than 1-D alternatives, and a documented accuracy drop when moving from random splits to structured isolation, i.e., leakage-free evaluation. It can fail through data leakage inflating benchmark results, poor generalization across machines, loads, or sensor placements not represented in the bearing datasets, and preprocessing latency exceeding the budget of low-end consumer microcontrollers.

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recommendation
test
research area
efficient architectures
technical change
CWT/HHT time-frequency vibration classification with lightweight CNNs
published
2026-10-09

The method runs on constrained hardware and addresses a real edge-inference problem, but the abstract gives no factor-level gains and the structured-isolation results indicate generalization risk, so the reader should validate it on their own machinery data before adoption.

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  1. claim 01Paperraft inference
    Read the brief interpretation

    This replaces heavier end-to-end 1-D deep models (or manual feature engineering) for vibration fault diagnosis with a two-stage pipeline: CWT or Hilbert-Huang conversion of raw vibration signals into 2-D time-frequency images, followed by lightweight image classifiers (MobileNetV3-Small, ConvNeXt-Tiny, YOLOv11-cls) sized for embedded CPUs. The cost is the added CWT/HHT preprocessing step on the edge device, image-based inference that is heavier than 1-D alternatives, and a documented accuracy drop when moving from random splits to structured isolation, i.e., leakage-free evaluation. It can fail through data leakage inflating benchmark results, poor generalization across machines, loads, or sensor placements not represented in the bearing datasets, and preprocessing latency exceeding the budget of low-end consumer microcontrollers.

    This is a Paperraft inference. It is not pinned to a verified PDF passage.

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  2. claim 02Paperraft inference

    CWT with YOLOv11-cls achieves high diagnostic accuracy on CWRU, PU, and IMS bearing benchmarks, while MobileNetV3-Small offers lower-latency CPU inference; no multiplicative factor is reported in the abstract.

    This is a Paperraft inference. It is not pinned to a verified PDF passage.

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quality

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Provisional research brief updated 2026-10-18. Paperraft has not reproduced this experiment.

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