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    Two-Stage Corrosion Under Insulation Detection Methodology and Modular Vehicle with Dual Locomotion Sensory Systems

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    Name:
    US20180335404A1.pdf
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    2.403Mb
    Format:
    PDF
    Description:
    Patent
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    Type
    Patent
    Patent Status
    Granted Patent
    Authors
    Amer, Ayman Mohamed Mahmoud
    Shehri, Ali
    Parrott, Brian Jonathan
    Assignee
    Saudi Arabian Oil Company
    King Abdullah University Of Science And Technology
    KAUST Department
    Chemical and Biological Engineering Program
    Electrical Engineering Program
    Date
    2018-11-22
    Submitted Date
    2017-05-19
    Permanent link to this record
    http://hdl.handle.net/10754/630733
    
    Metadata
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    Abstract
    Methods and systems for inspecting insulated equipment for corrosion under insulation are provided. The system includes an autonomous unmanned vehicle having aerial and ground locomotive capabilities. The vehicle includes an infrared detector and a pulsed eddy current sensor. In the method, infrared waves emitted from the equipment are detected along the equipment with the infrared detector. Using the infrared detector, at least one image of an inner surface of the equipment is developed based on the detected infrared waves. At least one area that is susceptible to corrosion is determined based on the at least one image. The susceptible area is inspected with the pulsed eddy current sensor, which induces an eddy current in the inner wall of the equipment. Based on a rate of the decay in strength of the eddy current, it is determined whether corrosion exists at the susceptible area using a processor configured by code.
    Patent Number
    US10139372B1
    Application Number
    US20180335404A1
    WO2018212891A1
    Additional Links
    https://patents.google.com/patent/US20180335404A1/en
    Collections
    Patents; Electrical Engineering Program; Chemical Engineering Program

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