In the just concluded end of our country's first comprehensive meters of deep science expeditions, several pieces of "artifact" to explore the sea, developed and participated in by Shenyang Automation Research Institute of Chinese Academy of Sciences, set the dream for our country to realize deep-sea equipment to reach the abyss and exceed 10,000 meters contribution. The successful application of these deep-sea equipment in this expedition indicates that our country has opened a new era in exploiting deep-sea high-tech means and equipment to conduct an expedition of 10,000 meters. The deep sea of ​​10,000 meters is no longer the restricted area of ​​China's marine science and technology circles.

The "Artifacts" that advanced into the abyss are respectively the "Sea Dove" autonomous deep-sea autonomous autonomous underwater robot and the "Sea-wing" 7,000-meter underwater glider developed by Shenyang Automation, as well as Shenyang Automation participated in the research and development "End of the World" and "Cape" abyss lander, a total of 3, 4 sets of self-developed deep-sea equipment.

From June 22 to August 12, "Sea Dove" in our country the first million meters deep voyage scientific research voyage, the cumulative dive seven times, and constantly create and refresh the record of China's maximum underwater diving depth and depth of operation , Became China's first dive depth of more than 10,000 meters and complete deep sea deep underwater applications.

July 12, "Sea Dove" underwater robot autonomous mode challenge to the abyss, the maximum dive depth of 8201 meters, creating China's new underwater robot maximum dive depth record.

July 23, "Sea Doo" abyss deep dive again, the successful completion of the designated depth of the exploration mission, the maximum dive depth of 9,827 meters, meters away from the abyss.

July 27, "Sea Doo" to the depth of more than ten thousand meters of exploration applications advance, the maximum dive depth of 10,310 meters, becoming China's first opening of the door of the underwater million meters deep underwater robot, which also opened China's use of underwater robot technology to the depths of meters below the history of marching into.

July 28, "Sea Doo" did not stop, make a fuss, after the confirmation of technology upgrades and comprehensive simulation test, risking a series of unconventional mode of operation may bring risks toward the m Initiation of the attack, the ultimate success of the Mariana Trench all-inclusive deep sea bottom detection 52 minutes, the maximum dive depth of 10767 meters.

At the same time, the underwater robot "Hai Dou" has successfully obtained the CTD (Temperature, Salinity and Depth) data of two vertical profiles of 9000 m and 2 000 m. This is the first batch of data of Wenmi salt profiles obtained in China. It provides valuable basic data for studying the spatial variation of abyss water masses, the underlying ocean current structure and the design of 10,000 m unmanned / manned submersible .

"Sea-wing" is developed by Shenyang Automation with completely independent intellectual property rights, exploration-oriented prototype for the exploration test.

In this expedition, "Sea Wing" dive depth twice exceeded 5000 meters, the maximum dive depth of 5751 meters, becoming the first dive depth of more than 5000 meters underwater glider, creating a domestic underwater glider The maximum dive depth record. At the same time, the CTD data of eight effective cycles and the status data of the underwater glider body were acquired, which has accumulated valuable experience for the research and development of the deep underwater glider in our country.

Two sets of 7000-meter abyss landers, namely "Tianya" and "Cape" jointly developed by the Chinese Academy of Sciences Institute of Deep Sea and Shenyang Automation, have succeeded in obtaining large concentration and long-term deep-ground scientific applications in scientific expeditions , And acquired more than a thousand large biological samples in different depths of the abyss, including hook shrimp, abyssal lion fish and unknown species; acquired deep sea sediment samples and water samples of 10,000 meters, and completed 9 stations in situ water microbial collection work. The acquisition of these samples provided valuable research samples and materials for our country to explore the origin and evolution of abyssal species, the abyssal geological structure and evolution, the abyssal water ecological environment and the abyssal microbial community structure and other major scientific problems.

Li Shuo, assistant director of the Shenyang Institute of Automation and director of the Research Laboratory of Underwater Robotics, said that the underwater robot "Sea Dove" has twice as many dive depths as 10,000 meters and successfully acquired the in situ deep seawater temperature of more than 10,000 meters for the first time in China Data and a large number of abyssal water bodies, sediments and large biological samples acquired by abyss landers have filled in the gap that our country has not been able to obtain large depths, especially 10,000-meter seabed data and samples, and will greatly promote China's deep-sea abyss of technical equipment and science Research development.

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