Development of an Improved Jellyfish Search (JS) Algorithm for Solving the Optimal Path Problem of Multi-Robot Collaborative Multi-Tasking in Complex Vertical Farms

Jiazheng Shen, Saihong Tang (), Ruixin Zhao, Luxin Fan, Mohd Khairol Anuar bin Mohd Ariffin and Azizan bin As’arry
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Jiazheng Shen: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
Saihong Tang: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
Ruixin Zhao: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
Luxin Fan: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
Mohd Khairol Anuar bin Mohd Ariffin: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
Azizan bin As’arry: Faculty of Engineering, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia

Agriculture, 2025, vol. 15, issue 6, 1-23

Abstract: This paper proposes an improved Jellyfish Search algorithm, namely TLDW-JS, for solving the problem of optimal path planning of multi-robot collaboration in the multi-tasking of complex vertical farming environments. Vertical farming is an efficient way to solve the global food problem, but how to deploy agricultural robots in the environment constitutes a great challenge, which involves energy consumption and task efficiency. The most important improvements introduced by the proposed TLDW-JS algorithm are as follows: the Tent Chaos used to generate a high-quality, diversified initial population, Lévy flight used in the improved JS to strengthen global exploration, and finally, the nonlinear dynamically weighted adjustment with logistic functions to balance exploration and exploitation. A Vertical Farming System Multi-Robot Collaborative Trajectory Planning (VFSMRCTP) model has been developed in accordance with the environmental constraints specific to vertical farms, the task constraints, and the constraints between agricultural robots. The VFSMRCTP model is solved using the TLDW-JS algorithm and a number of comparison algorithms in order to analyze the algorithm’s performance. Comparative experiments demonstrate that TLDW-JS outperforms classic optimization algorithms such as the Genetic Algorithm (GA), Particle Swarm Optimization (PSO), and Dung Beetle Optimization (DBO), achieving superior path length optimization, reduced energy consumption, and improved convergence speed. The results indicate that TLDW-JS achieved a 34.3% reduction in average path length, obtained one of the top three optimal solutions in 74% of cases, and reached convergence within an average of 55.9 iterations. These results validate the efficiency of TLDW-JS in enhancing energy optimization and demonstrate its potential for enabling automated systems in vertical farming.

Keywords: vertical farm; agriculture robots; jellyfish search algorithm; path planning (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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