Ibrahim Khan

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Development of Instrumentation for Test and Evaluation of a Signal Processing System

Journal of the American Musical Instrument Society

Embedded systems interaction with environment inherently complicates understanding of requirement... more Embedded systems interaction with environment inherently complicates understanding of requirements and product uncertainty is highest during early stages of development. Design verification is an essential step and this process involves detailed observations of runtime execution behaviour against properties that specify intended system behaviour. This work aims at the development of a novel dedicated real time Verification Instrumentation for Test and Evaluation that allows early introduction of integration steps, and thereby reducing the development costs. To perform dynamic evaluation, basic components required in-addition to target system is: (i) input test-sequences (ii) run-time monitoring and (iii) verification mechanisms. The proposed Evaluation architecture is based on hybrid monitoring architecture distributed between the embedded systems product under development and Verification Instrumentation for Test and Evaluation. Prototype PC based Verification Instrument is develop...

Integration Testing of Multiple Embedded Processing Components

Communications in Computer and Information Science, 2011

Abstract. Integration testing of Complex Embedded systems (CES) and associated interconnection ne... more

An Adaptive Design Methodology for Reduction of Product Development Risk

International Journal of Ad hoc, Sensor & Ubiquitous Computing, 2011

Embedded systems interaction with environment inherently complicates understanding of requirement... more Embedded systems interaction with environment inherently complicates understanding of requirements and their 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 and verification. With each adaptive step product-realization level is enhanced while decreasing the level of product uncertainty, thereby reducing the overall costs. The back-bone of this frame-work is the development of Domain Specific Operational (DOP) Model and the associated Verification Instrumentation for Test and Evaluation, developed based on the DOP model. Together they generate functionally valid test-sequence for carrying out prototype evaluation. With the help of a case study 'Multimode Detection Subsystem' the application of this method is sketched. The design methodologies can be compared by defining and computing a generic performance criterion like Average design-cycle Risk. For the case study, by computing Average design-cycle Risk, it is shown that the adaptive method reduces the product development risk for a small increase in the total design cycle time.

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