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RME 5:

1. Why is there an emphasis on trade study in System Engineering?Systems engineering is an interdisciplinary field of engineering focusing on how

complex engineering projects should be designed and managed over their life cycles.

Issues such as logistics, the coordination of different teams, and automatic control of

machinery become more difficult when dealing with large, complex projects. Systems

engineering deals with work-processes and tools to manage risks on such projects, and it

overlaps with both technical and human-cantered disciplines such as control engineering,

industrial engineering, organizational studies, and project management. Trade studies

compare the relative merits of alternative approaches, and so ensure that the most cost-effective system is developed. They maintain traceability of design decisions back to

fundamental requirements. Trade studies do this by comparing alternatives at various

levels for the system being developed. They may be applied to concept, design,

implementation, verification, support, and other areas. So it is really important for trade

study in System engineering.

2. Relate the notion of Models discussed in class to the concept ofrepresentation discussed in the reading by Myers and Kaposi?

To tackle the complex problems of life today, we need to coordinate a wide range of

expertise. Systems concepts and methods offer the means of integrating the contributions

of specialists, including managers, scientists and engineers. The book introduces simple

yet sound concepts and a language understandable to all concerned. Its methods ofprocess modelling, systems analysis and design complement traditional methods of

engineering and management. It demonstrates those methods on problems arising from

everyday life, industry, business, quality management and public administration. This

introductory book is suitable for managers and professionals, as well as undergraduates

on business, engineering, computing and science courses who aspire to become

professional problem solvers.

http://en.wikipedia.org/wiki/Interdisciplinaryhttp://en.wikipedia.org/wiki/Engineeringhttp://en.wikipedia.org/wiki/Enterprise_life_cyclehttp://en.wikipedia.org/wiki/Logisticshttp://en.wikipedia.org/wiki/Risk_managementhttp://en.wikipedia.org/wiki/Control_engineeringhttp://en.wikipedia.org/wiki/Industrial_engineeringhttp://www.fhwa.dot.gov/cadiv/segb/glossary/s.htm#text_Systemhttp://www.fhwa.dot.gov/cadiv/segb/glossary/d.htm#text_Designhttp://www.fhwa.dot.gov/cadiv/segb/glossary/d.htm#text_Designhttp://www.fhwa.dot.gov/cadiv/segb/glossary/s.htm#text_Systemhttp://en.wikipedia.org/wiki/Industrial_engineeringhttp://en.wikipedia.org/wiki/Control_engineeringhttp://en.wikipedia.org/wiki/Risk_managementhttp://en.wikipedia.org/wiki/Logisticshttp://en.wikipedia.org/wiki/Enterprise_life_cyclehttp://en.wikipedia.org/wiki/Engineeringhttp://en.wikipedia.org/wiki/Interdisciplinary

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Using systems approaches does not negate using other frameworks or analytical models

rooted in the traditional cause-effect assumption, but rather in systems thinking, dynamic

models of cause and effect are created to show how interactions among systems elements

produce emergent and unintended behaviours (Cavaleri, 2005, p. 379). Systems

approaches can be applied independent of adopting a systems thinking worldview.

3. You have been appointed the system engineering Manager on a Projecta. List some of items that you would be concern with in this role?

1. Inspection

2. Calibration

3. Testing

4. Adjustment

5. Servicing

6. Installation

7. Periodically replacing limited-life items

8. Condition monitoring

9. Alignment Developing a PM Programme

b. List some of the Key risks that you would focus on?1. Identify and select areas to focus on-Initially one or two areas to focus on.

2. Highlight the PM requirements for daily inspections and periodic

maintenance assignments

3. Determine the assignment frequency

4. Prepare the PM assignments (define process)

5. Schedule PM assignments over a year

6. Expand the program as appropriate.

7. Mean PM time-The mean elapsed time to perform preventive or scheduled

maintenance on an item. Does not include ALDT.2 Median active PM time