激光雷达结构设计及精度分析

发布时间：2018-01-05 21:26

本文关键词：激光雷达结构设计及精度分析　出处：《西安电子科技大学》2014年硕士论文　论文类型：学位论文

【摘要】：激光雷达是典型的光、机、电一体化系统,用于测量目标的距离、方位等信息。随着它的广泛应用,其结构设计的要求也越来越高。不仅需要激光雷达有很好的跟踪能力,而且要求整体结构的小型化。为适应这一需求,本文设计了一款小型激光雷达结构。选用扫描跟踪式结构方案,通过导光系统降低转台负载重量和转动惯量,从而达到结构小型化的目的。通过对设计结构进行有限元分析,确保满足环境使用条件要求。激光雷达测角精度是其重要指标,而结构精度是其主要影响因素之一。本文对激光雷达测角误差的成因及其对测角精度的影响进行了深入研究,重点讨论了导光系统装配误差对测角精度的影响,并据此对激光雷达装调方法进行了设计,确保设备精度满足使用要求。
[Abstract]:Lidar is a typical integrated system of light, machine and electricity, which is used to measure the distance and azimuth of the target. The requirement of the structure design is higher and higher. Not only the lidar has good tracking ability, but also the whole structure should be miniaturized. In this paper, a small type of lidar structure is designed. The scanning and tracking structure is used to reduce the load weight and the moment of inertia of the turntable through the light guide system. In order to achieve the purpose of miniaturization of the structure. Through the finite element analysis of the design structure to ensure that meet the requirements of the environment. The accuracy of the laser radar angle measurement is an important index. The structure precision is one of the main influencing factors. In this paper, the cause of the laser radar angle measurement error and its influence on the angle measurement accuracy are studied in depth, and the influence of the light guide system assembly error on the angle measurement accuracy is discussed in detail. Based on this, the installation method of lidar is designed to ensure the accuracy of the equipment meets the requirements.
【学位授予单位】：西安电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN958.98

【参考文献】