Object-Oriented Modeling Framework

Figure 3-2 Plant Object-Oriented Modeling Framework Using UML...

ASCEND. This framework is by Westerberg and coworkers (Ref. 295) at Carnegie-Mellon University. It features an object-oriented modeling language and is well suited for constructing complex models. 

As stated on the OMG (Object Management) website (http //www.omg. org/), a lack of data standards results in data conversions, loss of information, lack of interoperability, etc. Current standards du jour are XML (Extensible Markup Language) [17], LSID (Life Sciences Identifiers), and now the RDF (Resource Description Framework) from the W3C (World Wide Web Consortium), which is extensible though hard to implement. Substantial work on OO (Object Oriented) modeling of life science data types takes place at the OMG s LSR (Life Sciences Research) group—this is discussed below. 

The definition of a generic object-oriented implementation framework for the interpretation of environment model definitions by the process-integrated tools and the dynamic adaptation of their interactive behavior. 

Eusgeld, I., Kroger, W., Sansavini, G, Schlapfer, M. Zio, E. 2009. The role of network theory and object-oriented modeling within a framework for the vulnerability analysis of critical infrastructures. Reliability Engineering and System Safety, Vol.94, p.954-963. 

As a part of the plant safety framework, common data component is proposed to manage all common data for the plant safety framework and to accumulate the safety-related common data across plant activities. This component is a part of the data warehousing for the plant-wide activities across the plant lifecycle. The object-oriented modeling approach is used to abstract these common elements within the plantwide conceptual model while the physical data are within the data warehouse frame. The safety common data (SCD) component includes (but not limited to) the possible source of data errors, documentation standards (vocabulary), generic cause-consequence for each component type, checklists for operation-type jobs, and standard safety interlock levels. The common data are essential to be organized and formatted in a... 

Object-oriented modeling can be divided into two schools data-centric design and problem-centric design. The problem-centric approach is being used in this work to focus on the problem at hand and move towards the solution. Figure 6-1 shows the overall framework of the modeling approach. The analysis part starts with contextual... 

To implement this approach it is required to develop automated modeling environment that maintain the plant model elements and support the representation and manipulation of the different models within the plant enterprise. For that, the book highlighted the design framework of a computer-aided plant enterprise modeling environment called CAPE-ModE , which is based on the object-oriented modeling and UML. 

Meeussen, J. C. L. (2003). ORCHESTRA an object-oriented framework for implementing chemical equilibrium models. Environ. Sci. Technol. 37, 1175-1182. 

The concurrent use of analytic and heuristic models. Conventional simulation methods allow analytic models. Conventional expert systems allow heuristics, but leave the analytic part for the user to program. The combination of analytic and heuristic knowledge in an object oriented framework allows the applications to be addressed in a unified way. 

There has been a flurry of interest over the past decade in the use of object-oriented tools that focus on the representation of human knowledge and how humans use that knowledge in reed situations to make decisions and act. An example of this approach is the Distributed Operator Model Architecture (DOMAR), developed by Dr. Michael Young of the Wright Patterson Air Force Research Laboratories and Mr. Stephen Deutsch of BBN Inc. (Young and Deutsch 1999). The system is composed of a framework of software languages and model-development tools. As with the other models discussed in this section, the intention is to provide the analyst with the necessary components to develop models that simulate both the human operators and the systems with which they interact. 

A prototype system framework of PEEE has been developed using Java and Visual Basic as object-oriented programming languages, while SQE server and MS-Access are used as RDBMS for data repository for the plant model elements. Such prototype solution will enable all plant users to utilize a standard user interface to manipulate plant lifecycle data/information/knowledge. The prototype system can be used as the framework to develop CAPE-SAFE as well as other components within PEEE. 

DIS), an extensible object-oriented database model, which has also been used for VLSI/CAD application environments (see and ). The 3DIS provides an approach in which data and the descriptive information about the data are handled in a uniform framework. It is especially suited to represent information objects of various levels of abstraction and modality, and supports various views of the same data which is essential for this type of engineering database. In addition to that, the EDEN system supports a number of novel modeling constructs, one of which makes it possible to interpret parts of the data as graphs and to express retrievals, constraints and updates in terms of graph operations. 

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