果树靶标精准探测系统研究进展分析  

Research progress analysis of target precision detection system for orchards

作　　者：张美娜[1] 吕晓兰[1] 常有宏[1] 邱威[2] 

机构地区：[1]江苏省农业科学院农业设施与装备研究所,南京市210014 [2]南京农业大学工学院,南京市210031

出　　处：《中国农机化学报》2016年第10期227-233,265,共8页Journal of Chinese Agricultural Mechanization

基　　金：江苏省农业科技自主创新资金项目(CX(15)1023)--优质早熟砂梨新品种及其省力化栽培关键技术创新与应用;国家梨产业技术体系机械岗位(CARS-29-18)--梨园农机具评价与风送式喷雾机研制;国家自然科学基金资助项目(31301687)--风送喷雾农药雾滴在果树冠层中穿透机理研究

摘　　要：果树靶标探测系统通过先进的传感器技术与数据处理方法获取靶标生物量信息,为变量施药提供数据基础,是减少农药危害的关键环节。本文从果树靶标探测传感器系统和树冠生物量信息提取方法两方面研究成果进行评述。靶标探测传感器系统方面,先后列举基于超声波传感器、激光雷达扫描传感器以及多传感器融合的靶标探测系统,指出利用多传感器融合提高靶标探测系统的精准性为今后的发展方向。树冠生物量信息提取方法方面,总结计算树冠生物量体积的3种方法,即规则几何体累加法、切片累加法与立方体元累加法,重点分析各种方法的优缺点。最后,对果树靶标探测系统今后的研究方向进行展望。Precise biomass information is obtained from the target precision detection system by using variable spray as the key technology,the data foundation of variable spray system is provided,and the pesticide damage is reduced.Researches about sensors of the target precision detection system and methods to calculate biomass information of the canopy were presented.On the one hand,the target precision detection systems based on the ultrasonic sensor,LIDAR sensor and multi-sensor were discussed respectively in detail,and the future developing direction would be enhance the accuracy of the system by using multi-sensor fusion.On the other hand,three methods to calculate biomass volume of the canopy were summarized including regular geometry accumulation,slice accumulation and voxel accumulation,and the advantages and disadvantages about these methods were analyzed.Finally,the developing direction of the target precision detection system was pointed out.

关 键 词：靶标探测 激光雷达扫描传感器 多传感器融合 三维点云 树冠几何特征 

分 类 号：TH112[机械工程—机械设计及理论]