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AN ADAPTIVE DESIGN METHODOLOGY FOR REDUCTION OF PRODUCT DEVELOPMENT RISK

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Author(s): Hara Gopal Mani Pakala | PLH Varaprasad | Raju KVSVN | Ibrahim Khan

Journal: International Journal of Ad Hoc, Sensor & Ubiquitous Computing
ISSN 0976-2205

Volume: 2;
Issue: 3;
Start page: 35;
Date: 2011;
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Keywords: Adaptive Design Method for Embedded System Design | Domain-specific Operation Model | Verification Instrumentation for Test and Evaluation | Reduction of product development risk | Multimode Detection System case study.

ABSTRACT
Embedded systems interaction with environment inherently complicates understanding of requirements andtheir correct implementation. However, product uncertainty is highest during early stages of development.Design verification is an essential step in the development of any system, especially for Embedded System.This paper introduces a novel adaptive design methodology, which incorporates step-wise prototyping andverification. With each adaptive step product-realization level is enhanced while decreasing the level ofproduct uncertainty, thereby reducing the overall costs. The back-bone of this frame-work is thedevelopment of Domain Specific Operational (DOP) Model and the associated VerificationInstrumentation for Test and Evaluation, developed based on the DOP model. Together they generatefunctionally valid test-sequence for carrying out prototype evaluation. With the help of a case study ‘MultimodeDetection Subsystem’ the application of this method is sketched. The design methodologies can becompared by defining and computing a generic performance criterion like Average design-cycle Risk. Forthe case study, by computing Average design-cycle Risk, it is shown that the adaptive method reduces theproduct development risk for a small increase in the total design cycle time.

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