Design, Development, Integration and Field Evaluation of a Dual Robotic Arm Mango Harvesting Robot

IF 5.2 2区 计算机科学 Q2 ROBOTICS
Chenghai Yin, Jinyang Huang, Yuyang Xia, Hongcheng Zheng, Wei Fu, Bin Zhang
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Abstract

To solve the problems of high labor intensity and high cost when picking mango manually, a mango picking robot system with dual robotic arms was developed to realize automatic mango picking. Firstly, the YOLOMS network was used to realize the 3D localization of picking points for single mangoes and mango clusters in unstructured environments. Secondly, a new “shearing and grasping integrated” end-effector for non-destructive harvesting of mangoes was designed. Then, a task division method for the workspace of the dual robotic arm harvesting robot was proposed to minimize the likelihood of collisions between dual arms. Additionally, a depth-first picking strategy was introduced to reduce fruit damage and enhance the success rates of picking mangoes from layered canopies. Finally, a mango harvesting robotic system with dual arms was developed and integrated. The performance of the system was evaluated by field mango picking experiments. The results showed that the average recognition rate and planning success rate of the harvesting robot were 83.94% and 98.45%, respectively. In addition, the average harvesting success rate of the robot was 73.92%, and the average single-fruit harvesting time was 8.93 s. Compared with the robot with single arm, the harvesting time was reduced by 48.38%, which indicated that the harvesting efficiency of the dual robotic arm harvesting robot was significantly improved. The average collision-free harvesting rate with the addition of the depth-first harvesting strategy was 91.68%, which verified the rationality and effectiveness of the dual robotic arm collaborative mango harvesting robotic system. The results provide technical support for automated mango harvesting.

Abstract Image

双机械臂芒果收获机器人的设计、开发、集成与现场评价
为解决人工采摘芒果劳动强度大、成本高的问题,研制了双机械臂芒果采摘机器人系统,实现了芒果的自动采摘。首先,利用YOLOMS网络实现了非结构化环境下单个芒果和芒果簇采摘点的三维定位;其次,设计了一种用于芒果无损采收的“剪切-抓取一体化”末端执行器。在此基础上,提出了双机械臂采收机器人工作空间的任务划分方法,以减小双臂碰撞的可能性。此外,引入深度优先采摘策略,以减少果实损害,提高分层冠层芒果采摘成功率。最后,研制并集成了双臂芒果收获机器人系统。通过田间芒果采摘试验,对该系统的性能进行了评价。结果表明,采收机器人的平均识别率为83.94%,规划成功率为98.45%。此外,机器人的平均收获成功率为73.92%,平均单果收获时间为8.93 s。与单臂机器人相比,收获时间缩短了48.38%,表明双机械臂收获机器人的收获效率得到了显著提高。加入深度优先采收策略后的平均无碰撞采收率为91.68%,验证了双机械手协同芒果采收机器人系统的合理性和有效性。研究结果为芒果自动化采收提供了技术支持。
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来源期刊
Journal of Field Robotics
Journal of Field Robotics 工程技术-机器人学
CiteScore
15.00
自引率
3.60%
发文量
80
审稿时长
6 months
期刊介绍: The Journal of Field Robotics seeks to promote scholarly publications dealing with the fundamentals of robotics in unstructured and dynamic environments. The Journal focuses on experimental robotics and encourages publication of work that has both theoretical and practical significance.
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