Hybrid-solid State LiDAR

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Scanning mode of Hybrid Solid State LiDAR

Hybrid Solid-state LiDAR can be classified into four types according to the scanning mode, which are :

Multi-sided rotating prism type

In order to recognize the scanning detection pattern, the transceiver module remains motionless while the motor reflects the beam to a certain area of space while driving the rotating mirror.

MEMS micro-vibrator type

A MEMS micro vibrating mirror is integrated on the silicon chip, suspended between torsion bars at a certain harmonic frequency, and the rotating mirrors reflect the laser's beam to perform scanning. However, a large mirror MEMS microvibrator suspension beam material has fatigue problems, which cannot pass impact, vibration, high and low temperatures, and other automotive certifications, causing service life instability.

Wedge mirror type

Through non-repetitive scanning, the field of view coverage can be close to 100% with increased scanning time; however, its high speed, short service life, low reliability, and non-repetitive scanning cannot be used to match automatic driving algorithms.

Mechanical oscillator + rotating mirror type

More often used on LiDAR with 1550nm light source. The 1550nm light source is a fiber laser, which is large in size. In order to reduce the size of the LiDAR and achieve high-precision scanning of multiple beams, a mechanical oscillator is used to achieve vertical angle scanning coverage.

Types of LSLIDAR's Hybrid Solid-state LiDAR

LS128S1 & LS256S1

Long-range Hybrid Solid-state LiDAR based on vehicle automotive standard, which adopts LSLIDAR’s in-house 1550nm fiber laser, with better range performance and point cloud density performance, the longest range is 500m, the measurement accuracy is ±3cm, the FOV is 120°(H)x25°(V), the minimum vertical angle resolution is up to 0.1°(10Hz), and the point measurement rate is up to 3,332,000 points/sec. Can control the cost well because of the LSLiDAR’s self-produced core fiber laser and optical components.

CH128 series

Combines the various requirements of OEMs for automotive front-mounted autonomous driving systems, and repeatedly testing the products, integrating the stable and reliable sensing performance of the original CH series with the size, power consumption, functional safety and cost required by OEMs, and passed a series of rigorous tests.

CX128S1

Based on the major technical breakthrough made by LSLIDAR in the miniaturization technology of vehicle specification high-beam Hybrid Solid-state LiDAR, which not only meets the requirements of long-range detection and sensing performance in autonomous driving, but also has a mini size, which is suitable for embedding in the roof or front security position, and better fits the aesthetic needs of passenger car design.

CB64S1

Large field of view LiDAR is designed to clear blind areas, with a super wide field of view of 180°x40° and accurate measurement accuracy. It can efficiently identify obstacles in the close range and bring accurate environmental perception to the blind areas of cars, robots and AGVs.

 

CH64 and CH32/16

CH32 Hybrid Solid-state LiDAR has passed the series of tests of the National Center for Automotive Quality Supervision and Inspection, including climate and chemical characteristics, mechanical characteristics, electrical characteristics, etc., and many of them have reached the Class A standard, becoming the first LiDAR in China and the second in the world to be certified by automotive regulations.

Application For 3D Lidar

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FAQ For Hybrid-solid State LiDAR

Mention below are the types of 3D light detection and ranging:

3D LiDAR + Video fusion security system

The system fuses the perception results of lidar (point cloud) and camera (video image) to achieve accurate classification for intruding objects, at the same time, acquire precise objects information (localization, speed, etc.). The data output could be uploaded to the control center as the basis of alarm signal.

LiDAR 3D Protection System

The detection sensor of this system is a 3D LiDAR that realizes real-time 3D scanning of the surrounding environment to obtain point cloud data. By setting the protection area, when an obstacle is detected, the alarm signal will be output in time to provide accurate judgment information for equipment safety protection and collision avoidance. The system is suitable for industrial security protection, perimeter protection, vehicle collision avoidance, robot collision avoidance, etc.

The 3D LiDAR transmits a detection signal to the target and then compares the signal reflected back from the target with the transmitted signal. The time it takes for each pulse to return to the sensor is used to calculate the distance it has travelled. Repeating this process millions of times per second creates a real-time 3D map of the environment.

  • It is used to create a 3D elevation map of the land and can also convert into a sunlight exposure area and create a slope.
  • The main benefit of using this technology is that it brings out the most consistent and accurate results.
  • In this, the short wavelength can form exact 3D models and detect small objects by determining the objects, whether they are a wall, tree, or person.
  • It also collects more data in many dimensions.
  • The measurements on four levels help the object to be detected which are obstructing the path or on the floor.

Articles For Hybrid-solid State LiDAR

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