Interactive Scheduling for a Dual Resource Constrained Job Shop with Manual and Automated Work Units

Katsumi Morikawa (), Keisuke Nagasawa () and Katsuhiko Takahashi ()
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Katsumi Morikawa: Hiroshima University
Keisuke Nagasawa: Hiroshima University
Katsuhiko Takahashi: Hiroshima University

A chapter in Intelligent Engineering and Management for Industry 4.0, 2022, pp 25-34 from Springer

Abstract: Abstract Intractable problems in a job shop are studied. The shop is dual resource constrained and all workers are skilled and thus eligible to operate every machine. A worker may be able to move away from a machine that is in operation to support the process on another machine. This condition indicates that the operation of a job on a machine is composed of manual work units and automated work units. A manual work unit on a machine can be processed only when a worker is allocated to the unit. As the assigned working hours of workers involve break times, the manual work unit will be interrupted during a break. On the other hand, automated work units can be operated even during a break and outside working hours. In other words, automated work units can be scheduled without considering the presence of workers. Because of the availability of alternative machines, and other complicated factors, interactive scheduling is a practical and useful approach to generating an acceptable schedule. An interactive scheduling system tailored for the shop in focus is illustrated. Techniques that reduce the computational burden to improve the responsiveness and several remaining issues are discussed.

Date: 2022
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DOI: 10.1007/978-3-030-94683-8_3

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