Browsing by Author "Tetlay, Abideen"
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Item Open Access Capability Readiness for Product-Service Systems(2009-09) Tetlay, Abideen; John, PhilipThis article discusses the relationship between “Capability”and „Product-Service Systems‟(PSS) and the need for the assessment of „Capability Readiness‟(CR) for PSS. It is suggested that this assessment is essential to determine whether or not the elements of capability for PSS are in place and maintained for the successful delivery of a sustainable PSS.Item Open Access Clarifying the concepts of system maturity, system readiness and capability readiness through case studies(Published and used by CSER 2010 with permission., 2010-03) Tetlay, Abideen; John, PhilipThis paper clarifies the key concepts of System Maturity, System Readiness and Capability Readiness and refines their definitions. The authors have achieved this by analysing three high-profile defence projects as case studies. The following military based systems were chosen: Chinook Helicopter; Apache Helicopter; and the Type 45 Anti-Air Warfare Destroyer.Item Open Access Conceptual Framework for Assessing and Measuring System Maturity, System Readiness and Capability Readiness(INCOSE EuSEC 2010 with permission, 2010) Tetlay, AbideenThis study summarises the issues with the notions of "maturity" and "readiness" within the context of the System Development and overall Lifecycle and provides formal definitions for these terms. It explains why a Framework is required to assess and measure Maturity and Readiness and how the conceptual Framework was devised, including a process for applying the Framework for the assessment and measurement of System Maturity, System Readiness and Capability Readiness.Item Open Access Determining the lines of system maturity, system readiness and capability readiness in the system development lifecycle(Published and used by CSER 2009 with permission, 2009-04) Tetlay, Abideen; John, PhilipMany systems suffer from major problems with implementation, integration, performance and other lifecycle problems and unexpected and unacceptable behaviour often arises when they are introduced into the real world, yet the systems were believed to be “ready” for use. Often, certain aspects about the real world context are not always appreciated until surprise problems arise when the system is introduced and used. This could be thought of as a failure in “systems understanding”. We are not good enough at understanding system implementation and integration issues (in their widest sense) and the associated Risk issues in assessing a System‟s Maturity and Readiness within a development programme and overall lifecycle. This challenge is increasing interest and emphasis on System Maturity assessments and in the use of System Readiness Levels and on achieving the overall Capability of a system in its intended operational environment. In this paper, we investigate the issues by addressing the following key questions: Why are “Maturity” and “Readiness” important in Systems Engineering (SE)? Is there a sufficiently clear distinction between „System Maturity‟ (SM) and „System Readiness‟ (SR)? What do we mean by SM and SR? How is the term „Capability‟ currently being used in SE? Why do we need to assess the Capability of the system? What do we mean by „Capability Readiness‟ (CR)? We define SM, SR and CR and map these to the System Development and overall Lifecycle and then provide recommendations for further research.Item Open Access Product-Service Systems Perspective for Framework Development for Assessing and Measuring System Maturity, System Readiness and Capability Readiness using Architecure Frameworks(ICMR 2010 with permission, 2010) Tetlay, AbideenThis study investigates the use of Product-Service Systems (PSS) perspective for refinement of the Conceptual Framework for Assessing and Measuring System Maturity, System Readiness and Capability Readiness using Ar-chitecture Frameworks. Metrics and measurement frameworks have no meaning if they are not used to make deci-sions. The importance of decision making at the architectural level is particularly pertinent for System Maturity