用激光精准切割草莓茎秆，高效无损采摘。
A Strawberry Harvesting Tool with Minimal Footprint
- 激光聚焦于茎秆沟槽，实现精准切割。
- 单次采摘耗时5.56秒，切割仅需2.88秒。
- 高温灭菌延长果实保鲜期，适合智能农业场景。
本文提出一种新型桌式草莓采摘工具原型，其结构紧凑，与果实交互最小化。方法上，通过平滑夹持器将茎秆引导至精确沟槽位置，随后远距离激光束聚焦切割。工具最高温度达188摄氏度，可有效杀灭病原体，防止病害传播；烧灼伤口有助于保持果实水分，延长货架期。在室内成功演示中，完整作业周期为5.56秒，切割时间仅为2.88秒。通过大量实验优化了激光光斑直径与横向移动速度，以缩短切割时间。
原文摘要 · Abstract (English)
In this paper, a novel prototype for harvesting table-top grown strawberries is presented, that is minimalist in its footprint interacting with the fruit. In our methodology, a smooth trapper manipulates the stem into a precise groove location at which a distant laser beam is focused. The tool reaches temperatures as high as 188° Celsius and as such killing germs and preventing the spread of local plant diseases. The burnt stem wound preserves water content and in turn the fruit shelf life. Cycle and cut times achieved are 5.56 and 2.88 seconds respectively in successful in-door harvesting demonstration. Extensive experiments are performed to optimize the laser spot diameter and lateral speed against the cutting time.
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