Surface roughness detection based on spindle motor current signal

Workpiece waste is usually caused by delayed detection of surface roughness. A rapid surface roughness detection classification based on the current signal of the spindle motor is proposed for the first time. The current signals of the spindle motor under different surface roughness processing condi...

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Main Authors: Liu Xuejie, Li Guofu, Ren Lu
Format: Article
Language:Chinese
Published: National Computer System Engineering Research Institute of China 2024-02-01
Series:Dianzi Jishu Yingyong
Subjects:
Online Access:http://www.chinaaet.com/article/3000163479
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author Liu Xuejie
Li Guofu
Ren Lu
author_facet Liu Xuejie
Li Guofu
Ren Lu
author_sort Liu Xuejie
collection DOAJ
description Workpiece waste is usually caused by delayed detection of surface roughness. A rapid surface roughness detection classification based on the current signal of the spindle motor is proposed for the first time. The current signals of the spindle motor under different surface roughness processing conditions are collected through experiments, and the current signals are decomposed into different frequency bands through wavelet packet decomposition. The current signals of different frequency bands are evaluated by the energy characteristics and the margin factors, and the low correlation frequency bands are filtered. Then the features are screened through random forest to reduce the redundancy of features. The total harmonic distortion feature achieves built-up edge detection during the machining process. The workpiece surface roughness detection accuracy is as high as 95%. And the detection time is within 2 seconds. Spindle current signal analysis basically achieves fast and accurate detection of workpiece surface roughness.
format Article
id doaj-art-a2bf2df11c2044cba70d6005979aec1d
institution Matheson Library
issn 0258-7998
language zho
publishDate 2024-02-01
publisher National Computer System Engineering Research Institute of China
record_format Article
series Dianzi Jishu Yingyong
spelling doaj-art-a2bf2df11c2044cba70d6005979aec1d2025-06-26T02:12:08ZzhoNational Computer System Engineering Research Institute of ChinaDianzi Jishu Yingyong0258-79982024-02-01502545910.16157/j.issn.0258-7998.2342083000163479Surface roughness detection based on spindle motor current signalLiu Xuejie0Li Guofu1Ren Lu2College of Mechanical Engineering and Mechanics,Ningbo University,Ningbo 315211, ChinaCollege of Mechanical Engineering and Mechanics,Ningbo University,Ningbo 315211, ChinaCollege of Mechanical Engineering and Mechanics,Ningbo University,Ningbo 315211, ChinaWorkpiece waste is usually caused by delayed detection of surface roughness. A rapid surface roughness detection classification based on the current signal of the spindle motor is proposed for the first time. The current signals of the spindle motor under different surface roughness processing conditions are collected through experiments, and the current signals are decomposed into different frequency bands through wavelet packet decomposition. The current signals of different frequency bands are evaluated by the energy characteristics and the margin factors, and the low correlation frequency bands are filtered. Then the features are screened through random forest to reduce the redundancy of features. The total harmonic distortion feature achieves built-up edge detection during the machining process. The workpiece surface roughness detection accuracy is as high as 95%. And the detection time is within 2 seconds. Spindle current signal analysis basically achieves fast and accurate detection of workpiece surface roughness.http://www.chinaaet.com/article/3000163479spindle motor current signalwavelet packet decompositionrandom forestthe total harmonic distortionsurface roughness
spellingShingle Liu Xuejie
Li Guofu
Ren Lu
Surface roughness detection based on spindle motor current signal
Dianzi Jishu Yingyong
spindle motor current signal
wavelet packet decomposition
random forest
the total harmonic distortion
surface roughness
title Surface roughness detection based on spindle motor current signal
title_full Surface roughness detection based on spindle motor current signal
title_fullStr Surface roughness detection based on spindle motor current signal
title_full_unstemmed Surface roughness detection based on spindle motor current signal
title_short Surface roughness detection based on spindle motor current signal
title_sort surface roughness detection based on spindle motor current signal
topic spindle motor current signal
wavelet packet decomposition
random forest
the total harmonic distortion
surface roughness
url http://www.chinaaet.com/article/3000163479
work_keys_str_mv AT liuxuejie surfaceroughnessdetectionbasedonspindlemotorcurrentsignal
AT liguofu surfaceroughnessdetectionbasedonspindlemotorcurrentsignal
AT renlu surfaceroughnessdetectionbasedonspindlemotorcurrentsignal