This paper provides an overview of a number of research areas that include investigating the nature of systems engineering and its underlying concepts, defining the properties of object-oriented requirements, producing prototype object-oriented tools for systems engineering, and applying of systems engineering to various domains.
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Elements for Area of Research The Area of Concern (A),
• which might be a particular problem in a discipline (area ofstudy), a real-world problem situation, or a system of interest.
A particular linked Framework of Ideas (F) in whichthe knowledge about the area of concern is expressed.• includes current theories, bodies of knowledge, heuristics, etc
as documented in the literature as well as tacit knowledge.
The Methodology (M) in which the framework isembodied• incorporates methods, tools, and techniques in a manner
appropriate to the discipline that uses them to investigate thearea of concern.
• (that also contains human components). A human activity system
• (engineering organisation).
Each span many disciplines and require pluralistic approaches thatnot only invoke multiple methodologies but ones that rest on quitedistinctly different frameworks of ideas.
They are of fundamentally different types and hence will probablyhave to be approached with different methodologies.
As such we now understand why:• Many systems engineers cannot clearly articulate the functions and
benefits of systems engineering (Kasser and Shoshany 2001).• It has been extremely difficult to establish a systems engineering
body of knowledge (SEBOK) for the diverse activities that areknown by the term “systems engineering.” (Kasser and Massie,2001).
The Purpose of the CommunicationsRequirements Evaluation & AssessmentPrototype (CREAP)
To determine if Requirements Engineering tools couldbe extended to:• Constrain writers of requirements to feasible specifications• Generates a list of feasible implementation options consistent
with a defined inventory
To determine if• User selected combinations of equipment from inventory list• Would provide the needed communications capability• For a specific category of serviceAntennasReceiversTransmittersModems
Conclusions A research program into systems engineering covers a
broad range of activities The incorporation of process elements into the
requirement object has shown to be a promising approachfor increasing the effectiveness of the systems engineeringprocess and providing customers with a product that meetstheir needs.
The reductionist approach to solving the problem of poorrequirements is the time-phased parallel process ofbuilding a suite of tools for performing specific tasks.
While the reductionist approach may not be applicable tosolving all complex problems, in these applications theresults have been promising. FRED, CREAP, TIGER, theremaining PETS and the OCH provide capability thatshows that parts of the problem of poor requirements canbe alleviated by applying the appropriate technology.