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Object oriented techniques for lifecycle modelling of complex control systems

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1 Author(s)
Kendall, J. ; Control Syst. Centre, South Bank Univ., London, UK

The central concept of the work described is that a database can be created which contains all the information about a complex engineering system, specifically a building management system (BMS). This database will be updated and modified throughout the system lifecycle. Due to the large amount of information required to be entered into these databases, all data entry is done through graphical interfaces according to the maxim `a picture is worth ten thousand words'. The user draws a picture of what is required, and this is then compiled into the desired database form. BMSs are used to control intelligent buildings. A BMS usually consists of a number of universal network controllers (outstations) which are connected together in a local area network (LAN), or wide area network (WAN). A number of PCs (terminals) can be connected to allow user access to the system for supervisory purposes. An outstation is connected to the hardware components which it controls and from where it gets its operating information. These components are called points; examples being sensors such as temperature, humidity, wind and solar effect, and actuators such as pumps, fans, valves, heating and cooling coils and humidifiers

Published in:

Design, Implementation and Use of Object-Oriented Systems, IEE Colloquium on

Date of Conference:

10 Jan 1994