NDT.net - September 2002, Vol. 7 No.09

Hydrogen Cylinder Acoustic Emission Testing and Data Evaluation with Supervised Pattern Recognition

A. N. Tsimogiannis, V. N. Nikolaidis, A. A. Anastassopoulos
Envirocoustics S.A., Athens, Greece,
P. F. Filho
Physical Acoustics South America, Sao Paulo, Brazil, www.pasa.com.br
Corresponding Author Contact:
Email: ant@envirocoustics.gr, Web: www.envirocoustics.gr

SUMMARY

INTRODUCTION

PRESSURE TESTS

DATA

CLASSIFIER TRAINING

AUTOMATED DATA DISCRIMINATION

DISCUSSION

REFERENCES

  1. S. J. Vahaviolos, "Acoustic Emission: A new but sound NDE technique and not a panacea" in NDT, eds. D. Van Hemelrijck & A. Anastassopoulos, 1996, Balkema, pp. 101-115.
  2. T. J. Fowler, J. A. Blessing, P. J. Conlisk and T. L. Swanson, "The MONPAC System", Journal of Acoustic Emission, Volume 8, Number 3, 1989.
  3. ASME, Section V, Article 12, "Acoustic Emission Examination of Metallic Vessels During Pressure Testing", 1988.
  4. A. A. Anastassopoulos, T. P. Philippidis, " Clustering Methodologies for the evaluation of AE from Composites ", J. of Acoustic Emission, Vol. 13, Noa 1/2, 1995, pp 11-21.
  5. T. Philippidis, V. Nikolaidis, A. Anastassopoulos, "Damage Characterisation of C/C laminates using Neural Network Techniques on AE signals", NDT&E International, Vol. 31, No 5, Elsevier 1998, pp. 329-340.
  6. Envirocoustics ABEE, "Noesis v3.3 Professional, Reference Manual", Rev.4, February 2001.
  7. A. A. Anastassopoulos, V. N. Nikolaidis and T. P. Philippidis, "A Comparative study of Pattern Recognition Algorithms for Classification of Ultrasonic Signals", Neural Computing & Applications, 1999, Vol. 8, pp 53-61. (Initially Accepted April 1996 in J. of Systems Engineering).

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