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草莓太嫩不敢摘?南京这个“神器”出手了

  • 2026-09-14 11:46:18
草莓太嫩不敢摘?南京这个“神器”出手了

爱吃草莓的小伙伴都知道

一颗娇嫩的草莓不仅摘着费劲

还特别容易碰坏

而人工采摘的高成本、低效率

也成了草莓产业规模化发展的难题

近日,南京农业大学工学院汪小旵教授团队研发的第二代草莓采摘机器人,通过“仿生巧手”为高架草莓自动化采收提供了全新解决方案。

海葵灵感打造“温柔夹爪”

第二代草莓采摘机器人的核心亮点就在于采用了“包络仿生式气动软夹爪”。据汪小旵教授介绍,这只软夹爪的设计灵感来源于海葵的进食行为。夹爪主体采用柔性硅胶材质,兼具优异的弹性与可变形性能,能完美包裹不同大小、形态的草莓,并避免草莓的机械损伤。

更智能的是,夹爪底部的气动腔可通过气压调节实现触手收放:负压时触手向内贴合完成轻柔抓取,正压时舒展释放果实,精准适配草莓果皮柔软易损的特性,真正做到 “轻拿轻放”。

仿人动作实现无损去茎

团队还为机器人设计了“拖拽-旋转”的仿人采摘动作,与软夹爪形成高效配合。当软夹爪完成对草莓的柔性包裹后,机械臂会按预设程序精准完成拖拽与旋转,让草莓果梗与果萼的连接点自然断裂,从根本上避免果梗残留,实现真正的去茎采摘。

经实际测试,这样采摘的草莓无需二次处理,可直接成为商品果,解决了传统采摘方式的果梗损伤隐患,完美复刻了人类采摘草莓的核心动作。

AI+破解草莓密集遮挡难题

针对草莓密集生长带来的遮挡难题,南农团队基于YOLOv12深度学习模型,提出了一套完整的遮挡处理与抓取位姿调整策略,这也是机器人能适应复杂种植环境的关键。

该策略通过综合评分机制评估簇生草莓的空间关系,优先选择遮挡最少的采摘目标,并基于RGB-D视觉反馈动态调整抓取位姿。每次采摘后还会迭代更新候选目标集与评分向量,实现密集种植环境下的鲁棒闭环采收。

据团队田间试验与对比研究数据,这一策略让机器人在复杂农业环境中的抓取成功率从66%提升至84%,大幅提升了作业稳定性。

同时为了验证技术有效性,南农团队开展了大量田间试验,数据表现十分亮眼:机器人系统抓取成功率达84%,平均作业周期约20秒,有效降低果实损伤,实现接近人工采摘的轻柔效果。

汪小旵教授表示,该技术还可应用于黄瓜、茄子、番茄等果蔬的采摘、剪枝机器人,模型生成的草莓生长相关数据,还能帮助农场科学规划采摘时间、调配采摘设备,让果蔬种植管理更智能。

未来

团队将持续打磨技术方案

推动成果产业化落地

让“南京智造”走进更多田间地头

南京广电·牛咔视频记者:毕子晨

编辑:翟小佳

执行主编:周心诚

主编:张宏亮

制作:南京广电融媒新闻中心

往期推荐:

雨中,南京街头发生了这一幕……

定了!凭此证,免费游南京

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