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Author:

潘存海 (潘存海.) | 杜素梅 (杜素梅.) | 宋永伦 (宋永伦.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用分布式多传感器同步采集系统实现了铝合金点焊质量实时监测.通过位移信号时频域分析发现,喷溅焊点位移信号在40~80 Hz 范围内,Butterworth带通滤波极差达 0.5 mm 左右;未熔合或未完全熔合焊点的位移信号极差比另外两类焊点低 1.0 mm 左右.利用上述明显特征信息可以实现点焊质量人工判定.由于位移信号信噪比高,特征提取算法简洁,进一步可实现机器在线判读.同时,利用统计分析,样本197个,在合格区内焊点正确判断率达97.6%.

Keyword:

电阻点焊 铝合金 时频域分析 位移信号 质量判定

Author Community:

  • [ 1 ] [潘存海]天津科技大学
  • [ 2 ] [杜素梅]天津科技大学
  • [ 3 ] [宋永伦]北京工业大学

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Source :

焊接学报

ISSN: 0253-360X

Year: 2007

Issue: 7

Volume: 28

Page: 33-36

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 4

Chinese Cited Count:

30 Days PV: 3

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