Determining the throughput of a CONWIP system using adjusted ARM

Ka Man Lee, He Hu, Danping Lin, Linda Lianfeng Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

1 Citation (Scopus)


Purpose: The purpose of this paper is to propose an adjusted approximate regenerative model (ARM) for a constant-work-in-process (CONWIP)-based production system that solves the problem of deciding the number of intermediate bulk container in a pharmaceutical company to hold the work in process. Design/methodology/approach: The problem was modeled as a CONWIP system and the ARM was adjusted to estimate the throughput. Findings: By comparing the results from the original ARM and adjusted ARM, a clear superiority of the proposed method is shown for the real case. In addition, the robustness of the adjusted ARM is demonstrated in terms of the violation of rigid assumption and the impacts brought by the limitation of buffer space before the bottleneck station. Originality/value: The novelty of the proposed model is to take the long transportation time between machines into consideration.
Original languageEnglish
Pages (from-to)853-869
Number of pages17
JournalJournal of Manufacturing Technology Management
Issue number7
Publication statusPublished - 31 Oct 2011
Externally publishedYes


  • Approximate regenerative model
  • Constant work in process
  • Distribution management
  • Intermediate bulk container
  • Operations management
  • Robustness
  • Simulation

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Computer Science Applications
  • Strategy and Management
  • Industrial and Manufacturing Engineering


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