Abstract

This paper presents a graph-theoretic technique for scheduling of multipurpose batch processes with the objective of maximizing throughput over a fixed time horizon. The presented technique is based on the S-graph framework which embeds the necessary scheduling information pertaining to recipes of different batches and possible resource allocation. The distinct feature of this contribution is the irrelevance of time horizon discretization which has become traditional in most mathematical programming techniques. Consequently, no presupposition of time points is required, thereby rendering the technique truly continuous in time. A comparison with time point based techniques is conducted to demonstrate the performance.

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