LiDAR关键技术及其在辅助驾驶中的性能要求  

Vehicle LiDAR Key Technology and Its Performance Requirements in Advanced Assisted Driving

作　　者：王向永 王茜茜 戴笠笠 WANG Xiangyong;WANG Xixi;DAI Lili(Changzhou Xingyu Automotive Lighting Systems Company Limited,Changzhou 213022,China)

机构地区：[1]常州星宇车灯股份有限公司,江苏常州213022

出　　处：《汽车实用技术》2024年第12期24-28,共5页Automobile Applied Technology

摘　　要：随着智能驾驶技术的发展,车辆对行驶环境的感知提出了高精度的要求,在多传感器交叉融合方案中,激光雷达(LiDAR)是其中的关键传感器,为车辆提供实时、高精度、全场景的环境感知。为了理解LiDAR发展趋势,文章从LiDAR光电系统架构和电探测基本原理出发,对前向长距车载LiDAR的关键技术进行阐述,系统性地介绍LiDAR收发控制系统、扫描与光学系统、光电探测与信号处理系统等模块的设计原理和技术难点,对LiDAR的技术路线选择进行定性分析。从应用的角度对车载LiDAR的技术指标提出了基础性能要求,并对车载LiDAR最新的技术发展趋势做归纳总结。With the development of intelligent driving technology,vehicles have put forward high precision requirement for the perception of driving environment,and in the multi-sensor cross-fusion scheme,light detection and ranging(LiDAR)is the key sensor to provide real time,high precision,full scene environment perception for vehicles.To figure out the trends in LiDAR technology,based on the architecture of LiDAR optoelectronic system and the basic principles of electrical detection,this paper expounds the key technologies of forward long range vehicle LiDAR,and systematically introduces the design principles and technical difficulties of LiDAR transceiver control system,scanning and optical system,photoelectric detection and signal processing system and other modules,and meanwhile analyzes the technical route selection of LiDAR.From the perspective of application,the basic performance requirements of vehicle-mounted LiDAR are put forward,and the latest development trend of vehicle-mounted LiDAR is summarized.

关 键 词：LIDAR 扫描方式 性能要求 高级辅助驾驶 

分 类 号：U471.15[机械工程—车辆工程]