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Structured Development for Real-Time Systems, Volume 2: Essential Modeling Techniques by Stephen J. Mellor, Paul T. Ward

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Appendix B – Bottle-Filling System

TABLE OF CONTENTS

1. Background

2. Context Schema

3. Event List

4. Leveled Set of Schemas

5. Data Dictionary

6. Transformation Specifications

Problem Statement

This system consists of a number of bottle-filling lines fed by a single vat containing the liquid to be bottled. Figure B.BKG shows some details of the vat apparatus and of a representative bottling line.

Because of the single vat, the composition of the liquid being placed in the bottles is identical for all lines at a given time. However, the bottle size may differ from line to line. For example, one bottling line might be filling one-liter bottles and another line might be filling five-liter bottles at 7:30 a.m., but both lines would be using liquid ...

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