Shulou(Shulou.com)06/03 Report--

In the realization of autonomous positioning and navigation of the robot, lidar plays a great role, which can help the robot perceive the surrounding environment in real time, obtain rich contour information, and enable the robot to build maps more quickly and accurately. Nowadays, lidar based on indoor use emerges one after another one after another. compared with indoor, outdoor use puts forward higher requirements for lidar.

Silan technology, which takes robot positioning and navigation as its core, not only provides perfect robot positioning and navigation solutions, but also has great achievements in the field of lidar. Lidar is the first kind of products that Silan technology has cut into the market. At present, its products that have been publicly sold are RPLIDAR S1 and RPLIDAR A1-A3 laser scanning ranging radar. From the first generation of indoor laser mine to lidar that can be used both indoor and outdoor, Silan technology has achieved a leapfrog upgrade.

From the RPLIDAR A3 laser ranging sensor, the RPLIDAR A3 is a low-cost lidar developed by Silan Technology based on the principle of laser triangulation ranging. It has the ability of high-speed laser ranging sampling up to 16000 times per second, and is equipped with unique optical and magnetic fusion patented technology of Silan Technology, which overcomes the life limitation of traditional lidar and can run reliably and stably for a long time.

At the same time, the enhanced RPLIDAR A3 lidar can realize 360-degree laser ranging scanning within a radius of 25m and generate planar point cloud map information in its space, which can be used in practical applications such as map mapping, robot positioning and navigation, object / environment modeling and so on.

Compared with other series of lidars, RPLIDAR A3 has a more stable ranging performance when detecting long-range objects, black-and-white objects switching and strong light direct objects, and can achieve ideal mapping results within a 25-meter ranging radius in outdoor environment, and the scope of application can be extended to more consumer-grade commercial scenes.

In addition, RPLIDAR A3 supports both enhanced and outdoor working modes. In enhanced mode, the ranging range and sampling frequency of RPLIDAR A3 can reach the maximum, in order to achieve the best indoor mapping effect. At the same time, in outdoor mode, RPLIDAR A3 has a more reliable ability to resist ambient light interference and will not cause blindness.

The actual test results are as follows:

Test in the sun in the afternoon

Scanning effect picture

From the actual detection results, the RPLIDAR A3 in the sun is not disturbed by direct sunlight, and the ranging can reach more than 25 meters.

In addition to the RPLIDAR A3 laser ranging sensor, Silan Technology also launched another lidar that can be used outdoors-RPLIDAR S1 Magi RPLIDAR S1 is a new generation of portable TOF lidar (TOF LIDAR) developed by Silan Technology, which uses non-contact energy and signal transmission technology to run stably for a long time.

RPLIDAR S1 portable TOF lidar can achieve a measuring radius of 40 meters, with a wider range of applications and more scenarios. The performance also occurs in a variety of indoor environments and outdoor environments where strong sunlight is directly exposed.

RPLIDAR S1 is detected in outdoor sunlight:

It is tested that RPLIDAR S1 can work effectively under 60klx light in outdoor mode without being disturbed by outdoor strong light. There is no pressure to build a map even in an oversized outdoor scene.

RPLIDAR S1 works normally in outdoor 60klx sunlight.

In addition, the RPLIDAR S1 portable TOF lidar has its own speed detection and adaptive system, and the angular resolution of scanning will be automatically adjusted according to the actual rotation frequency. Users are not required to provide a complex power supply system, which reduces the overall cost. If you need to know the actual speed of the current radar, the external system can obtain the relevant data directly through the communication interface.

From the first generation of laser mine to the latest two generations of lidar, Silan technology has made great changes in its performance, no matter the ranging range, sampling frequency, angular resolution or the use mode in each major scene. Silan science and technology has never stopped, has always insisted on technology as the core, to provide the market with more reliable and high-performance products, so that robots can achieve intelligent walking.

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