Automotive Grade LiDAR Scanner – CH32

Overview of Automotive Grade LiDAR CH32

CH Series 32 Automotive Grade LiDAR Scanner is designed for Automotive Grade Standards to meet demands of L4 and L5 autonomous cars. With a hybrid solid-state structure, its measurement range is up to 150 m, and the ranging accuracy is ±2cm, with 120° horizontal FOV, measuring rate up to 426k pts/s, which can work with high-speed, low-speed cars and other scenarios.

 

How do LS Hybrid solid-state LiDAR scanners work?

Under the circumstance that the solid-state technology is not mature and ready for commercialize, the hybrid technology is the best solution for harsh working conditions. Comparing to the mechanical lidar scanner, the hybrid solid-state technology doesn’t have the whole electronic structure spinning, but only a spin prism to achieve the scanner while the laser emitter and receiver are static. This design allows the lidar scanner to work under high-vibration condition and achieves long durability, which are the key elements for automotive grade certification. The following figure shows the working principle of the hybrid solid-state lidar scanners from Leishen LiDAR:

Operating principles of ToF LiDAR

Ranging principle of CH32 series multi-line hybrid solid-state automotive grade LiDAR sensor : Time of Flight Time of flight: the laser emitter emits a laser pulse, and the internal timer starts to calculate the time (𝑡1). When the laser wave hits the object, part of the energy returns, and when the laser receiver receives the return laser wave, the internal timer is stopped (𝑡2)
Distance = velocity of light × (𝑡2 − 𝑡1)/2

 

CH32 3D Automotive Grade LiDAR Scanner

Features

• High point density, capability of generating approximately 640,000 point per second（C32）/ 400,000 point per second（C20)
• Wide field of view, with 360° horizontal FOV and 32°vertical FOV.
• The C32 Vertical angular resolution up to 0.33°, focused on front area data acquisition.

Specifications of CH32 3D Automotive Grade LiDAR Scanner:

• Channels: 32
• Measurement Technique: TOF
• Wave Length: 905nm
• Laser Classification: Class 1 Eye-safe/ IEC 60825-1:2007 & 2014
• Measurement Range: 150m
• Ranging Accuracy: ±2cm
• Angle resolution:
• Horizontal:5Hz:0.045° / 10Hz:0.09°/ 20Hz:0.18°
• Vertical: The vertical angle resolution is between 0 ~ 0.81°;  (60° in the middle of the horizontal field of view) minimum 0.09°, maximum 0.47°
• Data Points Generated: Max 426,000 points per second
• Rotation Speed: 5~20 Hz
• FOV – Horizontal: 120°
• FOV – Vertical: -6.67°~4.58°
• IP: IP67
• Communication Interface: 1000M Ethernet、PPS
• Operation Voltage: 10V~36VDC
• Dimension（L·W·H）: 155 * 107.5 * 90mm

Point Cloud DEMO of CH32 3D Automotive Grade LiDAR Scanner

 

 

Applications

Autonomous Driving

 

V2x: 

 

Support Documents of Automotove Grade LiDAR CH32:

• CH32 Service Pack, including ROS Drivers, User manual, and Windows monitor client
• CH32 3D Automotive Grade LiDAR Scanner Specification
• CH32 data sample

Parts included in the package:

• 1 unit of CH32 LiDAR
• 1 unit of LiDAR power and communication adapter
• 1 unit of Ethernet cable
• Screws for installation