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基于YOLOv11的德化梨采摘机器人视觉定位设计OA

Visual Positioning Design of Dehua Pear Picking Robot Based on YOLOv11

中文摘要英文摘要

在德化梨种植中,人工采摘效率低下,且亩均人工成本占比超15%;传统机械采摘因装备刚性强,果实破损率常超20%,难以适配其果皮薄(0.2~0.3 mm)、果肉脆的特性.针对这一产业痛点,设计一款"仿生末端执行器+YOLOv11视觉定位"一体化采摘机器人系统.该系统核心包括六自由度机械臂、双目深度相机及电驱分离式末端执行器,执行器采用三指柔性夹持与剪切机构,兼顾无损抓取与果柄精准切断;视觉系统以YOLOv11为基础,引入全新的融合位置敏感空间注意力机制(C2PSA)模块强化果实与叶片特征区分,结合双目相机完成三维定位.基于福建德化梨(pear)园实测样本的试验表明,"pear"类别在置信度≥0.7时召回率保持0.85以上,F1最优值0.83(置信度为0.565),mAP50稳定于0.87.该方案可为德化梨自动化采摘提供技术支持,其设计思路对桃子、草莓等脆弱果实采摘装备研发具有参考价值.

In Dehua pear cultivation,manual picking is inefficient,with labor costs exceeding 15%per mu.Traditional mechanical picking,due to the rigidity of its equipment,often results in a fruit breakage rate exceeding 20%,making it difficult to adapt to the thin skin(0.2-0.3 mm)and crispy flesh of the pear.To address this industry pain point,this paper designs an integrated harvesting robot system using a'bionic end effector+YOLOv11 visual positioning'ap-proach.The core of the system consists of a six-degree-of-freedom robotic arm,a binocular depth camera,and an electri-cally driven,separate end effector.The actuator utilizes a three-finger flexible gripping and shearing mechanism,bal-ancing non-destructive grasping with precise stalk severing.The visual system,based on YOLOv11,introduces the C2PSA attention module to enhance the distinction between fruit and leaf features,and combines it with a binocular cam-era for three-dimensional positioning.Experiments based on samples from a pear orchard in Dehua,Fujian,show that the recall rate for the'pear'category remained above 0.85 at a confidence level≥0.7,with an optimal F1 value of 0.83(confidence level 0.565)and a stable mAP50 of 0.87.Field tests also demonstrate that the system achieved four times the efficiency of manual picking,while keeping the fruit breakage rate below 5%.This solution provides technical sup-port for automated Dehua pear harvesting,and its design principles are valuable for the development of harvesting equip-ment for fragile fruits such as peaches and strawberries.

李滨;赖诗党

东北林业大学 机电工程学院,哈尔滨 150040东北林业大学 机电工程学院,哈尔滨 150040||闽南理工学院,泉州 362000

农业科技

YOLOv11采摘末端执行器无损伤抓取视觉定位德化梨三指柔性夹持六自由度机械臂双目深度相机

YOLOv11picking end effectornon-destructive graspingvisual positioningDehua pearthree-finger flexible grippingsix-degree-of-freedom robotic armbinocular depth camera

《森林工程》 2026 (2)

305-316,12

2017年哈尔滨市应用技术研究与开发项目(2017RALXJ011).

10.7525/j.issn.1006-8023.2026.02.007

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