Summary/Reader Response Draft #1

 A website from Deep trekker (Deep trekker, 2022) promotes the usage of their underwater Remotely Operated Vehicle (ROV). Among its functions, the ROV can conduct intensive observation under rough conditions and concurrently send live feedback to its user. The GTG3, a miniature class ROV, is a lightweight machine with built-in thrusters, a rotating camera, an Ultra Short baseline (USBL) positioning system, and a state-of-the-art controller with many add-on options to the robot. As mentioned on the webpage, the camera used on the ROV is an enhanced 4k resolution camera that allows users to inspect under dim lighting conditions and provides enhanced clarity with its underwater auto-adjusting functions (Deep trekker, 2022). The rotating camera can show a 270-degree view vertically and horizontally of its surroundings (Deep trekker, 2022). This feature is helpful when inspecting structures with large areas. Besides the camera, the webpage mentioned that the USBL positioning system has a discrepancy of 20cm from its actual position reducing the chances of losing the robot (Deep trekker, 2022). The machine also comes with a multifunctional controller that eases the inspection check for users. The GTG3 has many add-on options (interchangeable tips) to cater to the unique needs of the users, for instance, a grabber's arm, a sensor, and a laser scaler. The versatile robot will be able to accomplish tasks accurately, reduce time spent underwater and be safer in comparison with a human inspector in a harsh environment. 

In terms of accuracy, the GTG3 is similar to a human when collecting and recording data. Mounted on the ROV is a rotating camera that can provide an extensive view of its surroundings. The camera used is a 4000-pixel camera system that can produce a clear image by integrating the pixels. Areas with low lighting (underwater) have a low dynamic range (LDR) which causes the blurry effect of an object in a video with dim lighting (Eric P. & Leonard, 2005). The 4k camera can brighten up the graphics making the image defined. With the enhanced 4k camera providing much clearness of the ocean, the GTG3 can execute the necessary inspection thus, can remove the process of human diving entirely. 


Another advantage ROVs (Remotely Operated Vehicles) have over human divers is the ability to spend longer time underwater. (Natalie, 2019) mentioned that certified divers usually spend an average of 45 to 50 mins underwater. On the other hand, the GTG3 operational duration is 8hrs (Deep trekker, 2022). Due to the limitation of the human body, the GTG3 is a better solution for prolonged sea operation.  

ROVs can protect workers from workplace accidents, ensuring their safety. According to Kraft Davies Olsson (n.d.), yearly scuba diving accidents pile up to 80 deaths in the United States and Canada. The root causes of the deaths include gas-supply problems, entrapment, and equipment troubles. Every dive comes with a fair share of risks, but an ROV can reduce that percentage. GTG3 can carry out the underwater fieldwork while users remain on the land. 


The downside of the ROVs is the limited function it has over humans. The GTG3 is unable to handle any construction of a structure. For example, an ROV cannot fix a crack immediately when it spots one. A diver is required to mend it themselves. The need for workers to dive cannot be from the equation. 


In conclusion, the ROV’s overall design and unique features made it a necessary tool for exploration and inspection work. ROVs can ensure efficiency and protect workers, making them a worthy investment for companies. Able to achieve results in harsh environments is what the ROVS is capable of. 

 

Reference list 

Deep Trekker. (2022). ROV Buying Guide. Everything You Need to Know Before You Buy. https://www.deeptrekker.com/resources/rov-buying-guide 


DIC. (n.d.) Pigments for Color Filters Used in LCDs and OLED Displays(Functional Pigments), https://www.dic-global.com/en/csr/special/2018/special01.html 

 

Eric P. & Leonard. (2005). Video Enhancement Using Per-Pixel Virtual Exposures, pg. 1, https://dl.acm.org/doi/pdf/10.1145/1186822.1073272?casa_token=4L9s6oeHevYAAAAA:YzFr_uf6JMT6Dqv1zGYGgekZjUVfyxInR5MQXbRZSRFCfOW1K_rByJPe7fgYppdNw3KrXV0eGS2RBlY 


Kraft Davies Olsson. (n.d). Commercial Scuba Diving Accidents and Death. https://www.marineinjurylaw.com/commercial-scuba-diving-accidents-deaths.html#:~:text=According%20to%20published%20data%2C%20approximately,scuba%20diver%20organization%20DAN%20America 

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