Inspection of pipe inner surface using advanced pipe crawler robot with PVDF sensor based rotating probe

Vimal Agarwal, Harutoshi Ogai, Kentarou Nishijima, Bishakh Bhattacharya

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Due to corrosive environment, pipes used for transportation of water and gas at the plants often get damaged. Defects caused by corrosion and cracking may cause serious accidents like leakage, fire and blasts. It also reduces the life of the transportation system substantially. In order to inspect such defects, a Polyvinyledene Fluoride (PVDF) based cantilever smart probe is developed to scan the surface quality of the pipes. The smart probe, during rotation, touches the inner surface of the pipe and experience a broad-band excitation in the absence of surface features. On the other hand, whenever the probe comes across any surface projection, there is a change in vibration pattern of the probe, which causes a high voltage peak/pulse. Such peaks/pulses could give useful information about the location and nature of a defect. Experiments are carried out on different patterns, sizes and shapes of surface projections artificially constructed inside the pipe. The sensor system has reliably predicted the presence and distribution of projections in every case. It is envisaged that the new sensing system could be used effectively for pipe health monitoring.

Original languageEnglish
Pages (from-to)45-55
Number of pages11
JournalSensors and Transducers
Volume127
Issue number4
Publication statusPublished - 2011 Apr
Externally publishedYes

Fingerprint

Inspection
Pipe
Robots
Sensors
Defects
Surface properties
Accidents
Fires
Health
Corrosion
Monitoring
Electric potential
Gases
Water
Experiments

Keywords

  • Pipeline inspection robot
  • PVDF
  • Smart sensors
  • Structural health monitoring
  • Wireless signal transmission

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering

Cite this

Inspection of pipe inner surface using advanced pipe crawler robot with PVDF sensor based rotating probe. / Agarwal, Vimal; Ogai, Harutoshi; Nishijima, Kentarou; Bhattacharya, Bishakh.

In: Sensors and Transducers, Vol. 127, No. 4, 04.2011, p. 45-55.

Research output: Contribution to journalArticle

Agarwal, Vimal ; Ogai, Harutoshi ; Nishijima, Kentarou ; Bhattacharya, Bishakh. / Inspection of pipe inner surface using advanced pipe crawler robot with PVDF sensor based rotating probe. In: Sensors and Transducers. 2011 ; Vol. 127, No. 4. pp. 45-55.
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