Automated Batch Scheduling and MES Integration Using a Hierarchical Based, Batch Control Software Architecture
After years of advancement in the batch control industry--particularly within the area of standardization using S-88 and S-95--todays automated batch control systems offer end users many features which have enabled improvements in product quality, reduced cycle time, and overall return on investment. However, the area of automated batch scheduling and MES integration has to date gone largely untapped on a relative basis when comparing features incorporated into the actual control system. In general, the problem of batch scheduling and MES integration has been left to customized, one-off solutions developed on a site-by-site basis (due to both plant variability and lack of support in the underlying control system). This paper will address recently developed technologies that begin to incorporate the batch scheduling and integration layers into the control system itself, while still maintaining the flexibility required for customization of the already present hierarchical architecture. Along with a description of the solution, real world case studies will be discussed, including both results and lessons learned.
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Author: Nathan Pettus, Dieter Wolf, WBF
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