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51318-11210- Manipulator Robot for Cathodic Protection Site Survey

This paper presents the conceptual design of a manipulator robot for cathodic protection site surveys and some of the major applications of the same.

Product Number: 51318-11210-SG
Author: Joffin George
Publication Date: 2018
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Cathodic protection (CP) site surveys are used to assess the effectiveness of corrosion protection on buried and submerged steel structures. It measures voltage gradients set up in the electrolyte by defects in coatings, which cause electrical currents to flow through the electrolyte surrounding the structure. All CP site surveys require manual labor. There is a huge possibility of both instrument and human errors involved in such surveys. Among these errors almost 90 percent is contributed by human errors and these errors rise due to many factors such as physical stress, lack of proper knowledge, improper handling of the survey equipment etc. In carrying out a survey, the surveyor has to walk the entire pipeline route testing at regular intervals with the probes in a position of one in front of the other. The metallic structure may extend from a few meters to thousands of kilometers in size. Due to this, the survey becomes tedious and a huge stress is applied to the surveyor. By considering all these factors a manipulator robot is designed to perform the above mentioned tasks. This paper presents the conceptual design and some of the major applications of the same.

 

Key words: Manipulator robot, crack detection, aircraft carrier, close interval potential survey (CIPS), direct current voltage gradient (DCVG) survey, global positioning system (GPS) mapping, pipe to soil potential (PSP), copper sulfate reference electrode (CSE), test link post (TLP), transformer rectifier (TR).

Cathodic protection (CP) site surveys are used to assess the effectiveness of corrosion protection on buried and submerged steel structures. It measures voltage gradients set up in the electrolyte by defects in coatings, which cause electrical currents to flow through the electrolyte surrounding the structure. All CP site surveys require manual labor. There is a huge possibility of both instrument and human errors involved in such surveys. Among these errors almost 90 percent is contributed by human errors and these errors rise due to many factors such as physical stress, lack of proper knowledge, improper handling of the survey equipment etc. In carrying out a survey, the surveyor has to walk the entire pipeline route testing at regular intervals with the probes in a position of one in front of the other. The metallic structure may extend from a few meters to thousands of kilometers in size. Due to this, the survey becomes tedious and a huge stress is applied to the surveyor. By considering all these factors a manipulator robot is designed to perform the above mentioned tasks. This paper presents the conceptual design and some of the major applications of the same.

 

Key words: Manipulator robot, crack detection, aircraft carrier, close interval potential survey (CIPS), direct current voltage gradient (DCVG) survey, global positioning system (GPS) mapping, pipe to soil potential (PSP), copper sulfate reference electrode (CSE), test link post (TLP), transformer rectifier (TR).

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