Optimal Scheduling of a Dual-Arm Robot for Efficient Strawberry Harvesting in Plant Factories
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912468507295744 |
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| author | Zhu, Yuankai Lu, Wenwu Ren, Guoqiang Ying, Yibin Vougioukas, Stavros Peng, Chen |
| author_facet | Zhu, Yuankai Lu, Wenwu Ren, Guoqiang Ying, Yibin Vougioukas, Stavros Peng, Chen |
| contents | Plant factory cultivation is widely recognized for its ability to optimize resource use and boost crop yields. To further increase the efficiency in these environments, we propose a mixed-integer linear programming (MILP) framework that systematically schedules and coordinates dual-arm harvesting tasks, minimizing the overall harvesting makespan based on pre-mapped fruit locations. Specifically, we focus on a specialized dual-arm harvesting robot and employ pose coverage analysis of its end effector to maximize picking reachability. Additionally, we compare the performance of the dual-arm configuration with that of a single-arm vehicle, demonstrating that the dual-arm system can nearly double efficiency when fruit densities are roughly equal on both sides. Extensive simulations show a 10-20% increase in throughput and a significant reduction in the number of stops compared to non-optimized methods. These results underscore the advantages of an optimal scheduling approach in improving the scalability and efficiency of robotic harvesting in plant factories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_04240 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optimal Scheduling of a Dual-Arm Robot for Efficient Strawberry Harvesting in Plant Factories Zhu, Yuankai Lu, Wenwu Ren, Guoqiang Ying, Yibin Vougioukas, Stavros Peng, Chen Robotics Plant factory cultivation is widely recognized for its ability to optimize resource use and boost crop yields. To further increase the efficiency in these environments, we propose a mixed-integer linear programming (MILP) framework that systematically schedules and coordinates dual-arm harvesting tasks, minimizing the overall harvesting makespan based on pre-mapped fruit locations. Specifically, we focus on a specialized dual-arm harvesting robot and employ pose coverage analysis of its end effector to maximize picking reachability. Additionally, we compare the performance of the dual-arm configuration with that of a single-arm vehicle, demonstrating that the dual-arm system can nearly double efficiency when fruit densities are roughly equal on both sides. Extensive simulations show a 10-20% increase in throughput and a significant reduction in the number of stops compared to non-optimized methods. These results underscore the advantages of an optimal scheduling approach in improving the scalability and efficiency of robotic harvesting in plant factories. |
| title | Optimal Scheduling of a Dual-Arm Robot for Efficient Strawberry Harvesting in Plant Factories |
| topic | Robotics |
| url | https://arxiv.org/abs/2507.04240 |