Project management options analysis and trade offers
It describes knowledge related to the analysis and selection of a preferred solution from the possible options, which may have been proposed by Synthesizing Possible Solutions. Selected solution options may form the starting point for Implementing and Proving a Solution. Any of the activities described below may also need to be considered concurrently with other activities in the systems approach at a particular point in the life of a system-of-interest SoI.
The activities described below should be considered in the context of the Overview of the Systems Approach topic at the start of this KA. The final topic in this KA, Applying the Systems Approachconsiders the dynamic aspects of how these activities are used as part of the systems approach and how this relates in detail to elements of systems engineering SE.
System analysis is an activity in the systems approach that evaluates one or more system artifacts created during the activities involved in Synthesizing Possible Solutionssuch as:.
As discussed in Synthesizing Possible Solutions topic, the problem context for an engineered system will include a logical or ideal system solution description. The problem context may include a soft system conceptual model describing the logical elements of a system to resolve the problem situation and how these are perceived by different stakeholders Checkland This soft context view will provide additional criteria for the analysis processwhich may become the critical issue in selecting between two equally effective solution alternatives.
Hence, analysis is often not a one-time process of solution selection; rather, it is used in combination with problem understanding and solution synthesis to progress towards a more complete understanding of problems and solutions over time see Applying the Systems Approach topic for a more complete discussion of the dynamics of this aspect of the approach.
For a product system there are a set of generic non-functional qualities that are associated with different types of solution patterns or technology, e. These criteria are often explicitly stated as parts of the domain knowledge of related technical disciplines in technology domains.
For a project management options analysis and trade offers system or enterprise system project management options analysis and trade offers criteria will be more directly linked to the identified user needs or enterprise goals.
Typical qualities for such systems include agility, resilienceflexibilityupgradeability, etc. In addition to assessments of the absolute effectiveness of a given solution system, systems engineers must also be able to combine effectiveness with the limitations of cost and timescales included in the problem context.
In general, the role of system analysis is to identify the proposed solutions which can provide some effectiveness within the cost and time allocated to any given iteration of the systems approach see Applying the Systems Approach for details.
If none of the solutions can deliver an effectiveness project management options analysis and trade offers that justifies the proposed investment, then project management options analysis and trade offers is necessary to return to the original framing of the problem. If at least one solution is assessed as sufficiently effective, then a choice between solutions can be proposed. In the context of the definition of a system, a trade-off study consists of comparing the characteristics of each candidate system element to those of each candidate system architecturein order to determine the solution that globally project management options analysis and trade offers the assessment criteria in the best way.
The various characteristics analyzed are gathered in cost analysis, technical risks analysis, and effectiveness analysis NASA To accomplish a trade off study there are a variety of methods, often supported by tooling. Project management options analysis and trade offers class of analysis is the subject of the following topics:. A decision-making process is not an accurate project management options analysis and trade offers ergo, trade-off studies have limits.
The following concerns should be taken into account:. A thorough trade-off study specifies the assumptions, variables, and confidence intervals of the results.
From the discussions above, the following general principles of systems analysis can be defined:. Systems Thinking, Systems Practice. Systems Engineering HandbookRevision 1.
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Analysis and Selection between Alternative Solutions. Retrieved from " http: Navigation menu Personal tools Log in. Views Read View source View history. Outline Table of Contents Part 1: SE and Management Part 4: Applications of SE Part 5: Enabling SE Part 6: Related Disciplines Part 7: This page was last modified on 1 Decemberat
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