Wuhan Hi-Cloud Technology Co.,Ltd
Hi-Cloud, a leader of 3D laser scanning technology.
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ARS-200 2.5kg lightweight integrated airborne LiDAR system with 330m measurement range and 15mm @150m range accuracy
ARS-200 lightweight airborne LiDAR system is a Riegl LiDAR based system which developed and built by Hi-Cloud. ARS-200 airborne LiDAR system takes the multi rotor UAV platform as the carrier, integrates high-precision laser scanner, HD camera, GPS, IMU and other sensors, and synchronously obtains 3D laser point cloud, positioning and attitude data and image data with the support of independent intellectual property time synchronization technology and integrated multi-sensor integration technology.
Main Features:
Specification
ARS200 airborne LiDAR System
| Items | Indicator | Parameter |
| System Performance | Absolute Accuracy | horizontal <5cm vertical <5cm |
| Weight | 2.5kg | |
| Storage | 256GB SSD | |
| Operation Temperature | -10℃~+40℃ | |
| Storage Environment | -20℃~+50℃ Humidity < 85% | |
| Laser Class | Class1 (eye safe) | |
| Laser Scanner | Maximum Measurement Range | 330m @80% 290m @60% |
| Minimum Measurement Range | 3m | |
| Range Accuracy | 15mm @150m | |
| Repetition Accuracy | 10mm @150m | |
| Max. Effective Point Frequency | 100000 points/s | |
| Maximum number of received echoes | 5 | |
| FoV(selectable) | 0~360° 60°~90°airborne mode | |
| Scan Frequency(selectable) | 10~100 scans/s | |
| Angular Resolution | 0.001° | |
| POS System | Position Accuracy(post-processing) | Horizontal 0.01m Elevation 0.02m |
| Orientation Accuracy(post-processing) | Heading 0.012° Pitch/Roll 0.005° | |
| Camera System | Camera Resolution | ≥24MP |
| Camera Weight | <500g |
Project Overview: The main line of the project is about 8km long. The survey area is mainly mountainous terrain, with an average altitude of 600m. The river crosses the survey area, and the altitude drop in some areas is large. The vegetation in the survey area is lush, mostly evergreen broad-leaved forest and low shrubs.
Project Requirement: The main task of the project is airborne LiDAR survey and point cloud processing of the certain section of the highway. The mean square error of point cloud elevation is required to be less than 15 cm.
Project Difficulties: The traditional surveying and mapping operation is more dangerous because of the traffic on the highway. It is difficult for GNSS receiver to receive satellite signals due to dense vegetation and large altitude drop in the survey area.
ARS-200 airborne LiDAR system is applied in this project. After trajectory calculation, point cloud combine and other data processing processes, the point cloud result is as follow:
