4.5 Article

Scheduling optimization of design stream line for production research and development projects

Journal

ENGINEERING OPTIMIZATION
Volume 49, Issue 5, Pages 896-914

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/0305215X.2016.1216113

Keywords

Design stream line; scheduling; multi-skilled employees; execution modes; design task

Funding

  1. National Natural Science Foundation of China [71471116, 71131005, 71301104, 71271138]
  2. Shanghai Pujiang Program Project of the Science and Technology Commission of Shanghai Municipality [14PJC077]
  3. Humanity and Social Science Youth Foundation of theMinistry of Education of China [15YJCZH096]
  4. Hujiang Foundation-Humanity and Social Science Climbing Programof the University of Shanghai for Science and Technology [16HJPD-B04]
  5. National Training Foundation of the University of Shanghai for Science and Technology [16HJPYQN02]
  6. Doctoral Startup Foundation Project of the University of Shanghai for Science and Technology [BSQD201403]

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In a development project, efficient design stream line scheduling is difficult and important owing to large design imprecision and the differences in the skills and skill levels of employees. The relative skill levels of employees are denoted as fuzzy numbers. Multiple execution modes are generated by scheduling different employees for design tasks. An optimization model of a design stream line scheduling problem is proposed with the constraints of multiple executive modes, multi-skilled employees and precedence. The model considers the parallel design of multiple projects, different skills of employees, flexible multi-skilled employees and resource constraints. The objective function is to minimize the duration and tardiness of the project. Moreover, a two-dimensional particle swarm algorithm is used to find the optimal solution. To illustrate the validity of the proposed method, a case is examined in this article, and the results support the feasibility and effectiveness of the proposed model and algorithm.

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