Although current underwater robots cannot be independently and comprehensively considered and implemented like humans, if there are high-quality, low-cost solutions coming into the market in the future, it is believed that there will be a blowout development in this area. According to relevant data, the market scale of China's unmanned submersibles will reach 80 billion yuan by 2020, and the market for military unmanned submersibles will reach 30 billion yuan. The underwater AI revolution has been a major success. Visiting underwater robot "black technology" Since ancient times, human beings have been devoting themselves to the exploration of the underwater world. From the mysterious and cool military submarine to the high-tech underwater robot, the undersea industrial revolution has been quietly proceeding. In recent days, the U.S. unmanned submarine incident further opened the veil of underwater robots. So what is this unmanned submarine? Unmanned submersibles are also called "submersible robots" or "underwater robots." You can think of them as underwater drones, which are divided between military and civilian use. According to the way of manipulation, it can be divided into remote control type (ROV) and autonomous type (AUV). The ROV is on the host ship and is continuously controlled by the operator. The AUV can be programmed to navigate to one or more of the waypoints, with its own power, without cables. The "Tuna" that the US military searched for the leftover of the MAH Airliner in 2014 belonged to AUV.
However, these two types of UUVs will also involve six technologies including bionics, intelligent control, underwater target detection and recognition, underwater navigation (positioning), communications, and energy systems. Therefore, an underwater robot is a highly technical and systematic project with a high threshold. Therefore, it has also remained in the military industry, and consumer-grade products have only appeared in recent years. To a certain extent, it is more difficult for the “five oceans to catch plunder” than to “launch the moon in the last nine days.” Because the underwater robot wants to go underwater, the first thing that needs to be solved is the problem of the robot “surviving” underwater, and its hardware. There are very high standards. In addition to keeping the machine closed, it is also necessary to prevent corrosion and water pressure. In addition, if the robot can play underwater under balance, it needs to keep its center of gravity in the same position as the buoyancy. What directly affects the robot's intelligence level is its control technology—the brain's brain and nerve center system. It is the integration of various artificial intelligence technologies and control technologies. After the robot detects and identifies the target underwater, it can make effective resource management and feedback. Currently, most of the underwater robots we see on the market are only the combination of “machine” and “electricity”. It is an electromechanical system and can only be called “underwater intelligent machine” and not “underwater intelligent robot”. However, with the development of deep learning technology, the intelligence of underwater robots is constantly improving. For now, underwater robots are just a tool to extend the human arm. Since it is a tool, collecting data and information is its top priority. This involves communication technology. At present, the main underwater robot communication methods mainly include optical fiber communication (mainly applied to ROV) and underwater acoustic communication (mainly applied to AUV). Optical fiber communication is mainly composed of three parts: optical fiber (water), underwater optical fiber, and optical fiber. Its advantage is that the data rate is high (100Mbit/s) and it has good anti-interference ability; the disadvantage is that it limits the working distance and maneuverability of underwater robots, because they are usually cabled. Since the working area of ​​the underwater robot is in the water area, the products on the market are basically designed using bionic technology. Here we will take a look at the Bionic underwater robots at home and abroad. Ocean One Ocean One is a humanoid underwater robot from the Stanford Robotics Laboratory. It is 5 feet tall. It has a computing unit, battery, and thruster on the back and can swim like a real person. The use of artificial intelligence and haptic feedback systems to convey to the terminal the feelings of things held by the robot can achieve underwater salvage and other work. Lobster Robot The robot was invented by American Joseph Ayers. The robot has been experimentally researched for the US Navy at the Northeastern Marine Science Center. It can detect underwater mineral deposits. The tentacles are used to detect obstacles in the environment, 8 legs can be moved in any direction, and paws and tails can make it stable. The jewellery machine fish jewel machine is 1.5 meters long and was designed by the University of Essex in the United Kingdom. It has a sustainable survey for 8 hours. It can automatically report changes in the survey location and wirelessly transmit survey data. The Spanish coast will add 4 such machines. The fish is responsible for patrolling and searching for pollutants in the water. Machine jellyfish This machine jellyfish was designed by Festo Engineering GmbH of Germany. It can communicate with each other through 11 infrared light emitting diodes built into the dome structure. The company uses the machine jellyfish to test whether large-scale engineering failures can pass. Many small robot systems are made to complete. Liquid Robotics Wave Glider Glider relies on Inspur and solar power to provide driving energy, with a top speed of 5.5 kilometers per hour. It consists mainly of two parts that float on the water and run through the bottom of the water. The water surface components are approximately 3 meters long and contain solar panels and shipboard sensor systems; underwater components can use wave propulsion. The Glider can operate independently, and it can also integrate data into the fleet in real time, allowing it to run without any fuel for a full year. Glider’s current itinerary has exceeded 1 million kilometers, and it can still run well after extreme weather such as a hurricane. White Shark MAX This underwater robot is manufactured by Deep Blue. In terms of hardware, the Shark MAX uses an all-solid-state propulsion system and a nine-axis balanced motion system. It also overcomes the problem of closed-loop control of the motor at low speeds. Realize the precise adjustment of the underwater attitude of the robot. With a battery life of 2 hours, it can dive to a depth of 100 meters and support 2 million pixel video recording. There is also a multi-functional suspension point in the bilge, which can be equipped with 3D cameras, sonar, robots, and optical fibers. FiFish Flying Fish This consumer-grade underwater robot product is launched by finsource technology. The maximum dive depth is 100 meters. The propeller adopts a customized DC brushless motor and shuttles between the bottom of the sea. The fastest speed is 2m/s. In addition, it also features a 162-degree ultra-wide-angle lens and a 180-degree camera head that supports 4K video resolution. In addition, there are many interesting underwater robots, such as SeaDrone, OpenRov Trident, MidWest ROV, etc., but their appearance is not based on bionic design. According to relevant data, the market scale of China's unmanned submersibles will reach 80 billion yuan by 2020, and the market for military unmanned submersibles will reach 30 billion yuan. In terms of unmanned submersibles for civilian use, the market for enterprises will have 43 billion yuan, of which 6 billion will be for search and rescue, 13.7 billion for safety monitoring, and 370 million for investigation and research. There is also a market space of RMB 6 billion for unmanned submersibles for individuals. At present, underwater robots are mainly used in fields such as aquaculture, underwater structure exploration, underwater debris estimation, rescue, environmental ecology monitoring, and underwater photography. For example, after the Japanese tsunami in 2011, a large number of underwater robots were used to assist the recovery of the aquaculture industry; Germany used the “sea bream” underwater robots for offshore oil surveys, communication line inspections, military applications, and deep sea exploration and salvage. . Although current underwater robots cannot be considered and executed independently and comprehensively like humans, deep learning through artificial intelligence can also help people solve many difficult problems. Just applied to the consumer sector, the current price is still relatively expensive. If high-quality, low-cost solutions are to enter the market in the future, I believe that there will be a development in the field.

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