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Designing arm for placement of an impact hammer in sewers

Wittenstrom, B. (2019) Designing arm for placement of an impact hammer in sewers.

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Abstract:Underground sewer pipelines need maintenance from sources of damage, such as unstable ground support. To mitigate this the TISCALI project (Technology Innovation for Sewer Condition Assessment using Long-distance Information-systems) is creating an impactor sensor to look for early warning signs of collapse. We designed a 4 joint arm to place the impactor at a specific position and orientation in relation to the sewer wall. Then, we developed a control system for the arm to place the impactor while avoiding collision with the sewer wall. Finally, different systems were explored to mitigate recoil from the impactor, and we chose a non-backdrivable gear system. The armcan place the impactor in various pipe sizes and avoid collision with the sewer wall by using a path generation algorithm. Finally, recoil is limited to 0.2mm via the non-backdrivable gear system.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Programme:Electrical Engineering MSc (60353)
Link to this item:http://purl.utwente.nl/essays/80964
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