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Title Optimisation of Product Recovery Options in End-of-Life Product Disassembly by Robots
ID_Doc 9229
Authors Hartono, N; Ramirez, FJ; Pham, DT
Title Optimisation of Product Recovery Options in End-of-Life Product Disassembly by Robots
Year 2023
Published Automation, 4.0, 4
Abstract In a circular economy, strategies for product recovery, such as reuse, recycling, and remanufacturing, play an important role at the end of a product's life. A sustainability model was developed to solve the problem of sequence-dependent robotic disassembly line balancing. This research aimed to assess the viability of the model, which was optimised using the Multi-Objective Bees Algorithm in a robotic disassembly setting. Two industrial gear pumps were used as case studies. Four objectives (maximising profit, energy savings, emissions reductions and minimising line imbalance) were set. Several product recovery scenarios were developed to find the best recovery plans for each component. An efficient metaheuristic, the Bees Algorithm, was used to find the best solution. The robotic disassembly plans were generated and assigned to robotic workstations simultaneously. Using the proposed sustainability model on end-of-life industrial gear pumps shows the applicability of the model to real-world problems. The Multi-Objective Bees Algorithm was able to find the best scenario for product recovery by assigning each component to recycling, reuse, remanufacturing, or disposal. The performance of the algorithm is consistent, producing a similar performance for all sustainable strategies. This study addresses issues that arise with product recovery options for end-of-life products and provides optimal solutions through case studies.
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