| dc.description.abstract | A computer aided software engineering (CASE) tool designed to assist the task of developing the specification of control software for programmable logic controllers for dairy process manufacturing is described. The CASE tool, called the specification assistant, is a part of a larger development environment that may ultimately include automatic generation of PLC code from the specification. The specification assistant includes a set of rule bases and associated rule-base editors that permit customization of the tool to particular manufacturing sites. It aims to standardize control code specifications, support reuse of specifications, allow inspection of specifications through simulation and reports, and facilitate the long term maintenance of specifications. The specification assistant was developed to support the domain of dairy process manufacturing in New Zealand. A domain analysis was performed to identify a specification language appropriate for the particular domain. Initial experience with the specification assistant indicates that it will improve the productivity of the software engineers who are the recipients of the specifications. Results also suggest that quality of both the specifications and the control software will be improved.
Keywords: Computer Aided Software Engineering, CASE, PLC, process control, automated manufacturing | en_US |
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