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首页> 外文期刊>Optical engineering >Optimization of eyesafe avalanche photodiode lidar for automobile safety and autonomous navigation systems
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Optimization of eyesafe avalanche photodiode lidar for automobile safety and autonomous navigation systems

机译：用于汽车安全和自动导航系统的人眼安全雪崩光电二极管激光雷达的优化

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摘要

Newly emerging accident-reducing, driver-assistance, and autonomous-navigation technology for automobiles is based on real-time three-dimensional mapping and object detection, tracking, and classification using lidar sensors. Yet, the lack of lidar sensors suitable for meeting application requirements appreciably limits practical widespread use of lidar in trucking, public livery, consumer cars, and fleet automobiles. To address this need, a system-engineering perspective to eyesafe lidar-system design for high-level advanced driver-assistance sensor systems and a design trade study including 1.5-μm spot-scanned, line-scanned, and flash-lidar systems are presented. A cost-effective lidar instrument design is then proposed based on high-repetition-rate diode-pumped solid-state lasers and high-gain, low-excess-noise InGaAs avalanche photodiode receivers and focal plane arrays. Using probabilistic receiver-operating-characteristic analysis, derived from measured component performance, a compact lidar system is proposed that is capable of 220 m ranging with 5-cm accuracy, which can be readily scaled to a 360-deg field of regard.
机译：新兴的减少事故，驾驶员辅助和自动驾驶的汽车技术基于实时三维映射以及使用激光雷达传感器的物体检测，跟踪和分类。然而，缺少适合于满足应用要求的激光雷达传感器明显限制了激光雷达在卡车，公共制服，消费汽车和车队汽车中的实际广泛使用。为了满足这一需求，提出了针对高级高级驾驶员辅助传感器系统的人眼安全激光雷达系统设计的系统工程视角，以及包括1.5μm点扫描，线扫描和闪光激光系统的设计行业研究报告。 。然后，基于高重复频率二极管泵浦固态激光器，高增益，低噪声InGaAs雪崩光电二极管接收器和焦平面阵列，提出了一种具有成本效益的激光雷达仪器设计。使用从测量的组件性能得出的概率接收器工作特性分析，提出了一种紧凑的激光雷达系统，该系统能够以5厘米的精度在220 m的范围内进行测量，可以轻松缩放到360度视场。

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