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Using state machines to model and manage requirements changes and specification changes

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3 Author(s)
Lan Lin ; Dept. of Electr. Eng. & Comput. Sci., Tennessee Univ., Knoxville, TN ; Carter, J.M. ; Poore, J.H.

Requirements change management is one of the most complex and difficult problems to deal with in requirements elicitation and tracking. It is generally not understood how a specific change propagates through the specification and into implementation. In this paper, we propose to capture requirements changes as a series of atomic specification changes, and utilize state machines to model and manage those changes. We give a comprehensive treatment of state machine modifications with global impact, and propose twelve algorithms for managing all possible atomic requirements changes to a sequence-based specification. Finally, we demonstrate how to apply the proposed theory with a safe controller example.

Published in:

Circuits and Systems, 2008. MWSCAS 2008. 51st Midwest Symposium on

Date of Conference:

10-13 Aug. 2008