Magnetic inspection platform for teleoperated remote inspections of complex geometry

Tools

Jackson, William and Zhang, Dayi and McMillan, Ross and Tabatabaeipour, Morteza and Hampson, Rory and Gilmour, Adam and MacLeod, Charles Norman and Dobie, Gordon (2022) Magnetic inspection platform for teleoperated remote inspections of complex geometry. In: 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE 2022), 2022-07-25 - 2022-07-27, San Diego, CA.

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Abstract

The NDE industry is under constant pressure to increase inspection speeds, while simultaneously reducing costs to keep up with the ever-expanding demands of providing robust inspection for new infrastructure as well as ongoing inspections for currently operating facilities, and the increasing rise in the need for extensions in the planned life of existing plants. Currently, setting up an automated phased array ultrasonic inspection requires significant manpower, especially on components with complex geometry, this often exposes operators to hazardous environments. This is a particular problem with conventional ultrasonic NDT where operators must regularly exchange probes (an ‘intervention’). Furthermore, inspections are often carried out during planned outages, and the necessary installation time of rigging can represent a significant part of the inspection cost. To alleviate these challenges, several specialised robotic systems have been developed in industry for performing NDE in areas with well-defined geometries. However, these systems are often limited by a high degree of manual intervention, a lack of general-purpose design, and unsophisticated brute-force data acquisition with little to no data interpretation. The development of next generation, automated NDE solutions present considerable improvements to the current state of design such as reduced inspection time, greater separation of data capture and analysis, data localization – data are intrinsically encoded with the position they were captured. These benefits lead to a reduction in plant downtime & operator dosage. The platform presented will achieve these improvements through a set of universal automated deployment tools, implemented through hardware and software advances. By creating a platform consisting of a motorised magnetic base paired with a miniature robotic arm, a very capable and adaptable system is formed. This allows for different sensing modalities with an initial focus on phased array ultrasonics to be delivered accurately and repeatably to the target inspection site. Furthermore, by introducing additional perceptual sensors such as cameras, laser scanners, & a force-torque sensor the system can understand the environment in which it is operating. Through these sensors the user may guide the robot through the plant remotely in a safe and controlled manner. In addition to this these sensors may be used to generate scan paths of critical areas with unknown geometry on the fly as well as adapt the path in a conformable manner.

ORCID iDs

Jackson, William ORCID logoORCID: https://orcid.org/0000-0002-1360-4722, Zhang, Dayi ORCID logoORCID: https://orcid.org/0000-0003-4611-4161, McMillan, Ross, Tabatabaeipour, Morteza, Hampson, Rory ORCID logoORCID: https://orcid.org/0000-0001-7903-7460, Gilmour, Adam ORCID logoORCID: https://orcid.org/0009-0006-3636-2398, MacLeod, Charles Norman ORCID logoORCID: https://orcid.org/0000-0003-4364-9769 and Dobie, Gordon ORCID logoORCID: https://orcid.org/0000-0003-3972-5917;
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