Autonomous driving technology combined with intelligent tugboats to achieve precise perception and smooth control
2024-05-14
"The autonomous driving technology of highly intelligent tugboats is equivalent to the L3 level of automotive autonomous driving, which can achieve autonomous driving under supervised conditions." Sun Bo, Deputy General Manager of Tianjin Port Ferry Co., Ltd., told Science and Technology Daily reporters, "Compared with traditional tugboats, intelligent tugboats' feel more accurate and control more stably. 'Recently, the world's first highly intelligent tugboat with autonomous navigation function," Jingang Lun 36 ", and sister ship" Jingang Lun 37 ", which serve as accompanying test ships, have officially been put into operation at Tianjin Port.". The core algorithm software involved in perception, regulation, human-computer interaction, and other aspects of this achievement are all independently developed. Both safety and efficiency have been improved. Port tugboats are important assistants for large ships entering and exiting ports. "When large ships are berthing or disembarking, due to limitations in their own size and power, it is often difficult to independently complete these operations." Sun Bo introduced that at this time, there is a need for tugboats to accompany and greet large ships at specific positions, approach, accompany, and even dock with them, providing them with safe and efficient assistance services for entering and leaving the port. Controlling tugboats for accompanying navigation is a highly technical task. Any negligence can become an unsafe factor and even lead to port security incidents. When traditional tugboats are used for accompanying operations, there may be some safety hazards associated with human operation. When carrying out accompanying operations, operators should always pay attention to the safety situation around the ship, such as obstacles on the route, changes in the target ship's situation, and the outer plate structure of the target ship. These operations may be affected by factors such as the operator's own blind spots, driving skills, and experience, leading to potential safety risks in accompanying operations. The continuous growth of throughput in Tianjin Port, as well as the development trend of global shipbuilding, have put forward increasingly high requirements for tugboats in the port. "Port tugboats not only need to improve safety, but also work efficiency. This requires exploring new technologies," said Sun Bo. It is understood that the two highly intelligent tugboats put into operation this time are the second generation of Tianjin Port intelligent tugboats. The ship has a total length of 34.6 meters, a width of 11.2 meters, a depth of 5.22 meters, a designed draft of 3.92 meters, and a designed speed of 12.5 knots. It is equipped with multiple innovative technologies in the industry and has the most advanced independent navigation capabilities in the industry. "Autonomous navigation refers to the behavior of a system autonomously locking and controlling a ship to approach a target, accompany the target, and eventually approach the target under human monitoring." Sun Bo introduced that this research and development of autonomous driving technology based on important operating scenarios of port tugboats is the first time it has been achieved internationally and has significant engineering significance. "Intelligent tugboats that can autonomously navigate have advanced fusion perception functions. They can replace human eyes to 'see' and human ears to 'listen'." Ma Jilin, director of the Communication Intelligence Technology and Safety Laboratory of China Classification Society, said, "Intelligent tugboats can autonomously control direction, distance and speed, and have intelligent collision avoidance capabilities. They can achieve route optimization, close range collision prevention, and assist in safe navigation." Sun Bo added, "Intelligent tugboats can control errors within decimeters when judging the distance between tugboats and large cargo ships." At the same time, intelligent tugboats have AUTO-0 unmanned cabins, which can sensitively perceive equipment data, perform autonomous fault analysis, risk warning, and decision-making, and achieve autonomous fault analysis, risk warning, and auxiliary decision-making. "Ships and ships, ships
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