2nd Generation "EX ROVR" Inspection Robot Achieves Continuous Automated Operation at Oita Refinery

Source: www.gulfoilandgas.com 11/9/2023, Location: Asia

· Instrumentation imaging, acoustic mapping and other data are acquired automatically, eliminating the need for manual operator inspection rounds in the refinery
· The operating test results were introduced at the SPRINT Robotics World Conference in Houston
· The EX ROVR is accumulating inspection data over a long-term test period; development of an app enabling early detection of anomalies will increase the robot's value proposition

Mitsubishi Heavy Industries, Ltd. (MHI) has carried out autonomous inspections at a refinery employing the "ASCENT," a second-generation "EX ROVR" plant inspection robot with explosion-proof features (Note1) currently under joint development with ENEOS Corporation. The inspection testing took place at ENEOS's Oita Refinery in Kyushu within the framework of the two companies' joint R&D program for the 2023 fiscal year (Note2). Conducted between June and the end of September, the operational tests confirmed the ASCENT's outstanding mobility performance in diverse environmental conditions including uneven floor levels in the refinery's oil dike, narrow spaces, grass and gravel surfaces, pooled water, and night-time operations. The test program also succeeded in acquiring visual images of instrumentation, thermal scans, and acoustic mapping information to replace manned inspection in a refinery setting.

MHI also showcased the EX ROVR ASCENT at the SPRINT Robotics World Conference for Inspection & Maintenance Robotics 2023, held in Houston, Texas, in October (Note3). Here, the Company introduced the results of its long-term trial runs conducted together with ENEOS, as well as ENEOS's roadmap for fully integrating EX ROVR at their assets by 2030. The new robot was enthusiastically received by visitors from around the world, resulting in inquiries from business operators across the globe.

Because the EX ROVR can perform round-the-clock inspections in potentially explosive environments, it is well positioned to provide value through enhancing worker safety, boosting work efficiency, and improving facility operating rates. EX ROVR employs a 6-DOF (Note4) explosion-proof robotic arm with an integrated lighting and camera system that enables close-up, front-facing photography of plant instrumentation in complex arrangements from a variety of positions. The EX ROVR can also perform measurement of gas concentration, acoustic mapping, and acquisition of thermal scans. Moreover, when the robot is used in combination with the provided online app, a standard feature, the operator can perform remote operations, manage inspection schedules, and review inspection data. In the event of an incident occurring in the plant, remote operations enable rapid assessment of on-site conditions, thereby contributing to higher plant inspection efficiency and safe, swift resolution of the incident in question.

The EX ROVR has been designed for an optimal human-machine interface, making robot operations easy to perform. This capability has enabled the operator to master control and integration of the robot at the ENEOS refinery in a short time. It also enables remote operations, mission planning, and inspection operations to be automatically performed while the plant remains in operation.

Going forward, MHI will continue to accumulate inspection data through long-term robotic trials. The Company will also proceed with the development of an app which will provide automatic, early detection of anomalies based on accumulated data to further enhance the EX ROVR's product value.


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