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解码黑科技:全向数字雷达

2019-11-29 08:45:08 来源: DJI大疆农业 阅读量:14037 评论

导读:大疆农业植保无人飞机 T20 的发布,实现了安全、、上的技术突破。如此的背后,究竟隐藏着什么样的黑科技呢?

  【农机网 明星企业
 
  大疆农业植保无人飞机 T20 的发布,实现了安全、、上的技术突破。如此的背后,究竟隐藏着什么样的黑科技呢?
 
  前方高能,
 
  一波 T20 黑科技来袭。
 
  你是否遇到过植保机作业横移中炸机?
 
  仿地飞行不给力导致炸机?
 
  炸机事小,误工误活为大。
 
  如何减少上“杆”“线”
 
  解码 T20 黑科技第三集
 
  全向数字雷达
 
  T20 全向数字雷达将水平探测角度由上一代的前后 100° 扩展到了水平 360°,通过在水平方向进行 360° 机械扫描,在俯仰方向进行电子波束扫描,结合DBF 技术(电子波束合成)对探测目标进行空间定位。真正实现面面俱到,安全防护。
 
  除了 360° 的视野,一个的雷达还需有「好眼力」。T20 全向数字雷达采用 MIMO (多发射多接收) 技术,在角度分辨率上较上一代提升一倍。
 
  T20 全向数字雷达每秒可完成10000 个点云扫描,再通过「会建地图」的 SLAM 技术将点云转换为立体地图。这意味着每秒获得的障碍物信息更多了,那么如何避免误检呢?
 
多帧雷达点云积累效果
 
  DJI 大疆农业对不同省份作物、地形等数据的大量采集,结合 AI (人工智能)算法,将障碍物与杂波分割,保证了雷达对障碍物的识别精度。
 
  再经过研发团队严苛的测试实验,使得 T20 全向数字雷达识别障碍物的同时也能保持的作业效率。
 
  如果说 T16 开启了智能绕障的元年,那么T20 全向数字雷达则将定义产业安全的标准。T20 全向数字雷达支持航线任意位置的自动绕行,打破了上一代产品在横移过程中的盲区,障碍物位于拐点处、左右横移航线处 、前后航线处,均可执行更优的绕障方案,绕障不需再转机头。
 
  为了保证植保机在飞行过程中能够随着地势的起伏而实时调整飞行高度,以达到更好的喷洒效果。大疆植保机自 MG 系列以来均具备在山地、丘陵、梯田等复杂地形的仿地飞行。
 
  经过 5 年的技术积累, T20 全向数字雷达终实现 360° 地形感知,能够在任意方向仿地飞行,灵活应变更。
 
  T20 全向数字雷达可连续工作 1500 小时以上,防护等级达 IP67,做到防水防尘。由于不受环境光线及尘土的影响,T20 全向数字雷达可全天候感知农田环境,配合实时图像监控系统 FPV,以及夜间探照灯,能够全天候保障作业安全。
 

 
  今天的解码 T20 黑科技就到这里,我们下期见。
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