Integrated production and delivery on parallel batching machines

Kai Li, Zhao Hong Jia, Joseph Y.T. Leung

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

We consider the problem of scheduling a set of n jobs on m identical and parallel batching machines. The machines have identical capacities equal to K and the jobs have identical processing times equal to p. Job j has a size sj, a due date dj and a profit Rj. Several jobs can be batched together and processed by a machine, provided that the total size of the jobs in the batch does not exceed the machine capacity K. The company will earn a profit of Rj dollars if job j is delivered by time dj; otherwise, it earns nothing. A third party logistic (3PL) provider will be used to deliver the jobs. The 3PL provider picks up the jobs at times T1 < T2 < ⋯ < Tz, and vk (1 ≤ k ≤ z) vehicles will be provided for delivery at time Tk. The vehicles have identical capacities equal to C. The objective is to find a production and delivery schedule so as to maximize the total profit that the company can earn. We show that the problem is solvable in polynomial time if the jobs have identical sizes, but it becomes unary NP-hard if the jobs have different sizes. We propose heuristics for various NP-hard cases and analyze their performances.

Original languageEnglish (US)
Article number13058
Pages (from-to)755-763
Number of pages9
JournalEuropean Journal of Operational Research
Volume247
Issue number3
DOIs
StatePublished - Dec 16 2015

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Modeling and Simulation
  • Management Science and Operations Research
  • Information Systems and Management

Keywords

  • Coordinated production-delivery
  • Fixed time departure
  • Heuristics
  • NP-hard
  • Parallel batching machines

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