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Moving beyond CAD to an object-oriented approach for electrical control and instrumentation systems

journal contribution
posted on 2016-09-01, 00:00 authored by P E D Love, J Zhou, Jane MatthewsJane Matthews, D Edwards
© 2016 Elsevier Ltd. All rights reserved. The quality of computer-aided-design (CAD) generated 'As-built' documentation is evaluated for a High Voltage Switchgear System (HVSS), which forms part of a Supervisory Control and Data Acquisition up-grade within a geo-thermal power plant. A total of 267 CAD drawings for the HVSS were used to create a Systems Information Model (SIM) whereby the physical components and associated connections were constructed in an object orientated database. Throughout the modelling process a considerable amount of errors and information redundancy were identified and examples are presented. The production of the CAD drawings took 10,680 man-h in stark contrast to the 80 man-h required to construct the SIM, illustrating the efficiency and effectiveness of SIM compared to CAD for the documentation of electrical instrumentation and control systems (EICS). To realise this significant potential cost and productivity saving requires a shift in mindset and a move beyond the use of CAD, to an object oriented SIM, with a 1:1 relationship between objects in the model, and components in the real world.

History

Journal

Advances in Engineering Software

Volume

99

Pagination

9 - 17

Publisher

Elsevier

Location

Amsterdam, The Netherlands

ISSN

0965-9978

eISSN

1873-5339

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal