Multicriteria scheduling of two-subassembly products with batch availability and precedence constraints

  • 0School of Computer Science and Technology, Shandong Technology and Business University, Yantai, China.

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Summary

This summary is machine-generated.

This study presents new algorithms for optimizing production schedules with batch availability and precedence constraints. Efficient scheduling methods are developed to minimize makespan and costs in fabrication facilities.

Area Of Science

  • Operations Research
  • Manufacturing Systems Engineering
  • Computational Optimization

Background

  • Production scheduling involves complex constraints like batch availability and precedence relationships.
  • Fabrication facilities often deal with products requiring common and unique subassemblies.
  • Optimizing multiple objectives (makespan, cost) simultaneously is a significant challenge.

Purpose Of The Study

  • To develop efficient algorithms for multicriteria scheduling problems.
  • To address the complexities of batch availability and precedence constraints in production.
  • To optimize both makespan and cost objectives in a fabrication setting.

Main Methods

  • Development of O(n^4)-time algorithms.
  • Simultaneous optimization of makespan and maximum cost.
  • Lexicographical optimization of two maximum costs and makespan.
  • Consideration of strict and weak precedence constraints.

Main Results

  • Proposed algorithms achieve efficient optimization for complex scheduling scenarios.
  • The methods effectively handle batch availability for common subassemblies.
  • Precedence constraints are integrated into the scheduling optimization framework.

Conclusions

  • The developed algorithms provide effective solutions for multicriteria production scheduling.
  • This research offers advancements in optimizing fabrication facility operations.
  • The findings contribute to efficient resource allocation and timely product delivery.

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