An industrial application of signal processing: ceramic microcrack detection

Author

Miralles, Ramón ; Morales, Juan ; Vergara, Luis

Author_Institution

Dipt. Comunicaciones, Univ. Politecnica de Valencia, Spain

Volume

4

fYear

1999

fDate

15-19 Mar 1999

Firstpage

2271

Abstract

On line quality control in industrial plants is an open field for signal processing applications. In this paper we present a real-time prototype for the detection of microcracks in tiles of wet ceramic by means of ultrasonics. We also describe the signal processing algorithm applied and particularly how the false alarm probability (PFA) may be controlled. Finally an experimental test shows the agreement between the predicted PFA and the measured one, thus giving practical applicability to the proposed method

Keywords

acoustic signal detection; acoustic signal processing; ceramics; crack detection; industrial plants; microcomputer applications; microcracks; quality control; signal processing equipment; ultrasonic materials testing; calibration; ceramic microcrack detection; detector; experimental test; false alarm probability; industrial application; industrial plants; online quality control; real-time prototype; signal processing; signal processing algorithm; tiles; ultrasonic echo data; ultrasonics; wet ceramic; Ceramics industry; Digital signal processing; Hardware; Microcomputers; Prototypes; Signal processing; Signal processing algorithms; Software prototyping; Tiles; Ultrasonic transducers;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on

Conference_Location

Phoenix, AZ

ISSN

1520-6149

Print_ISBN

0-7803-5041-3

Type

conf

DOI

10.1109/ICASSP.1999.758390

Filename

758390