In the ever-evolving world of robotics and automation, a team of researchers from the Rocket Force University of Engineering in Xi’an, China, has been making waves with their work on multi-robot collaborative Simultaneous Localization and Mapping (SLAM) technology. Led by LIU Xin, WANG Zhong, and QIN Mingxing, this groundbreaking research is set to revolutionize various industries, including maritime operations.
So, what exactly is multi-robot collaborative SLAM? Imagine a group of robots working together to explore and map an unknown environment. Each robot is equipped with sensors, like lasers or cameras, to gather data about their surroundings. The robots share this data with each other, allowing them to build a more accurate and comprehensive map of the environment than any single robot could achieve alone. This is the essence of multi-robot collaborative SLAM.
The researchers, affiliated with the Basis Department at the Rocket Force University of Engineering, have published their findings in the journal ‘Jisuanji gongcheng’, which translates to ‘Computer Engineering’. Their work compares and analyzes the current mainstream multi-robot collaborative SLAM algorithms, providing valuable insights into the field.
One of the key aspects of their research is the division of multi-robot collaborative SLAM into three categories based on the type of sensor used: laser collaborative SLAM, vision collaborative SLAM, and laser vision fusion collaborative SLAM. Each of these categories has its own strengths and weaknesses, and the researchers delve into the details of architecture selection, multi-machine communication, relative pose, map fusion, and post-processing for each.
The implications of this research for the maritime sector are significant. In maritime search and rescue operations, for instance, multi-robot collaborative SLAM could enable a fleet of autonomous underwater vehicles (AUVs) to work together to map and search large areas of the ocean more efficiently and accurately than ever before. This could greatly improve the chances of finding and rescuing individuals in distress at sea.
Moreover, the technology could also be applied to environmental monitoring. A team of robots equipped with sensors could be deployed to monitor water quality, track marine life, and detect pollution, providing valuable data for conservation efforts and environmental protection.
The researchers also highlight that the collaborative SLAM of heterogeneous robots and semantic SLAM based on deep learning is the future development trend of multi-robot collaborative SLAM. This means that robots with different types of sensors and capabilities could work together more effectively, and advanced machine learning techniques could be used to improve the accuracy and efficiency of the mapping process.
In the words of the researchers, “Multi-robot collaborative SLAM is the core of multi-robot collaborative work, and it is the key to obtaining timely situational awareness information in a large-scale complex environment.” This underscores the importance of their work and the potential it holds for various industries, including maritime operations.
As the technology continues to evolve, we can expect to see more and more applications of multi-robot collaborative SLAM in the maritime sector. From search and rescue to environmental monitoring, the possibilities are endless. And with the ongoing research and development led by experts like LIU Xin, WANG Zhong, and QIN Mingxing, the future of maritime robotics looks brighter than ever.

