SYNOPTIC ABSTRACT
In this article, we investigate the problem of scheduling jobs with discretely controllable processing times subject to a deteriorating rate-modifying activity on a single machine. In our problem, each job has multiple processing times to be selected. But for different processing times, different processing costs are required. In addition, we can choose a deteriorating rate-modifying activity to reduce the processing times of jobs that are scheduled subsequently. We aim to minimize the following objectives: the makespan plus the total processing cost; the total completion time plus the total processing cost; and the sum of earliness, tardiness, and common due date penalties plus the total processing cost. We show that all these goals are polynomial-time solvable followed by the numerical examples.
Funding
This work was supported by China Scholarship Council (201408330402), Ningbo Natural Science Foundation (2010A610102), Science Foundation of Ningbo University (XKl15D218), and K. C. Wong Magna Foundation of Ningbo University.