JPS611166U - equipment sound sensor - Google Patents
equipment sound sensorInfo
- Publication number
- JPS611166U JPS611166U JP8539784U JP8539784U JPS611166U JP S611166 U JPS611166 U JP S611166U JP 8539784 U JP8539784 U JP 8539784U JP 8539784 U JP8539784 U JP 8539784U JP S611166 U JPS611166 U JP S611166U
- Authority
- JP
- Japan
- Prior art keywords
- buffer
- feature vectors
- output
- time series
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による機器音センサの一実施例を示すブ
ロック図である。
１・・・・・・音声入力部、２・・・・・・分析部、３
・・・・・・バッファ、４・・・・・・パターンマッチ
ング部、５・・・・・・記憶部、６・・・・・・出力部
。FIG. 1 is a block diagram showing an embodiment of the device sound sensor according to the present invention. 1...Audio input section, 2...Analysis section, 3
... Buffer, 4 ... Pattern matching section, 5 ... Storage section, 6 ... Output section.
Claims (1)
前記音声入力部の出力を一定時間間隔毎周波数領域また
は時間領域で分析を行ない特徴ベクトルの時系列に変換
する分析部と、前記分析部の出力を一時保持するバツフ
ァと、前記機器が異常なときに発生する機器音を予じめ
前記音声入力部、分析部およびバツファを介して特徴ベ
クトルの時系列Ｂとして得、これを標準パターンとして
記憶する記憶する記憶部と、前記バツファに一時保持さ
れる被検査対象の機器音の特徴ベクトルの時系列Ａと前
記記憶部の特徴ベクトルの時系列Ｂとの類似度を演算す
るパターンマッチング部と、前記パターンマッチング部
で演算された類似度が所定値より小のときは被検査対象
の機器が異常、大のときは正常と判定し、その判定結果
を外部に出力する出力部とから構成した機器音センサ。an audio input section that inputs the sound of the device and converts it into an electrical signal;
an analysis unit that analyzes the output of the audio input unit in the frequency domain or time domain at regular time intervals and converts it into a time series of feature vectors; a buffer that temporarily holds the output of the analysis unit; and a buffer that temporarily holds the output of the analysis unit when the device is abnormal. A storage section that stores equipment sounds generated in advance as a time series B of feature vectors through the audio input section, analysis section, and buffer, and stores this as a standard pattern, and temporarily stores it in the buffer. a pattern matching unit that calculates the degree of similarity between a time series A of feature vectors of the equipment sound to be inspected and a time series B of feature vectors in the storage unit; An equipment sound sensor that is configured with an output section that determines that the equipment to be tested is abnormal when it is small, and that it is normal when it is large, and outputs the judgment result to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8539784U JPS611166U (en) | 1984-06-08 | 1984-06-08 | equipment sound sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8539784U JPS611166U (en) | 1984-06-08 | 1984-06-08 | equipment sound sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611166U true JPS611166U (en) | 1986-01-07 |
Family
ID=30635756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8539784U Pending JPS611166U (en) | 1984-06-08 | 1984-06-08 | equipment sound sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611166U (en) |
-
1984
- 1984-06-08 JP JP8539784U patent/JPS611166U/en active Pending
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