With the deep research of industrial robots, unmanned intelligent systems and other products, environmental awareness technology has become the key to research and development in this field. Recently, China Aerospace Science and Technology Third Hospital 33 has made a major breakthrough in the research of laser-carrier three-dimensional imaging system. China Aerospace Science and Technology Third Institute 33 is studying multi-beam laser three-dimensional imaging technology
With the deep research of industrial robots, unmanned intelligent systems and other products, environmental awareness technology has become the key to research and development in this field. Recently, China Aerospace Science and Technology Third Hospital 33 has made a major breakthrough in the research of laser-carrier three-dimensional imaging system.
In the research of multi-beam laser three-dimensional imaging technology, China Aerospace Science and Technology Third Hospital 33 has overcome many key technologies such as pulse laser high-speed driving, weak optical signal detection, multi-beam large-angle optical echo signal acquisition, etc., and successfully captured 3D point cloud. The image lays a solid foundation for the development of subsequent engineering prototypes.
With the rapid development of electronic communication technology, laser three-dimensional imaging technology has gradually become one of the mainstream technologies of remote sensing and measurement, with its advantages of high measuring point accuracy, high measuring point density, rich information, high data processing automation, and high product digitization. Laser three-dimensional imaging technology can easily distinguish features, geomorphology, vegetation, etc., and describe them digitally. At the same time, digital terrain products (DTM), orthophoto images, and flat-section data can be generated according to requirements. .
The basic principle of laser three-dimensional imaging technology is to use the illumination laser pulse to collect reflected radiation from the detection scene. The traditional 3D laser imaging system generally adopts a single beam design, and combines the optical machine measurement to complete the acquisition of 3D point cloud data. That is, the rotation is performed in the vertical direction by the swing of the oscillating scanning mirror or the rotating prism, and the entire optical mechanism is rotated along the vertical axis to complete the horizontal scanning, thereby obtaining a three-dimensional image of the target environment.
Different from the traditional measurement technology, the multi-beam three-dimensional imaging laser system vertically arranges a plurality of lasers in a vertical direction according to a certain rule, and only needs to rotate in the horizontal direction to realize automatic high-precision measurement directly from horizontal to vertical. After the successful development of the system, it can provide peripheral environment information for robots, intelligent driverless vehicles and other platforms to drive independently. After integration with 33 inertial products, the added value of products can be greatly enhanced.
At present, a large number of modern high-tech electronic products such as industrial robots and intelligent driverless vehicles are widely used in production and life, and environmental awareness is a key factor restricting the development of such technologies. The three-dimensional imaging system with laser as carrier is more advantageous than the traditional microwave imaging detection system in terms of distance/azimuth resolution and anti-interference ability. Therefore, the research on laser three-dimensional imaging system technology is of great significance.
According to the data, the 33st China Academy of Aerospace Science and Technology, which is responsible for this research, has been developing and solving key technologies of mobile robots based on intelligent mobile robots since 2010, and has accelerated the development of industrial robots and automation equipment with the goal of industrialization. market expansion. At the same time, actively track and pay attention to the development of medical robots and service robots. After several years of research, it has successfully developed intelligent mobile robots, small crawler mobile robots, heavy-duty palletizing robots, series of desktop industrial robots, radioactive source loading and unloading robots, large-scale explosive robots and small high-speed parallel robots. Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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