The_Needs_SpecificationSpring2011

The_Needs_SpecificationSpring2011 - The Requirement...

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Unformatted text preview: The Requirement Specification References Adapted from: Design for Electrical and Computer Engineers, first edition, by Ralph M. Ford and Chris S. Coulston Excerpts from the book Engineering Design, a Project Based Introduction, second edition by Clive I. Dym and Patrick Little. John Wiley and Sons, Inc. ISBN 0-471-25687-0 Specification A detailed and exact statement of particulars, a statement fully describing something to be built. American Heritage Dictionary Specifications A detailed, exact statement of particulars, especially a statement prescribing materials, dimensions, and quality of work for something to be built, installed, or manufactured. answers.com Definitions Definitions Requirement Specification: Collection of both Marketing and Engineering requirements that the design must satisfy in order for it to be successful. Part of the requirement are the objectives 5 Marketing Requirement (Statements of the Client and User Needs) Short statements that describe the need in the language of the client (or the user) The car must acquire high speed fast Engineering Requirement Short statements that describe the technical needs of the design The Marketing Requirements should be translated into Engineering Requirements The car should have high acceleration Definitions IEEE Std 1233, 1998 Edition This guide provides guidance for the development of a set of requirements that, when realized, will satisfy an expressed need. Engineering Requirements 7 Engineering Requirements Properties 1) Abstract What the system will do, not how it will be implemented 1) Verifiable There should be a way to measure or demonstrate that the requirement is met in the final realization 8 Engineering Requirements Properties 1. Unambiguous Each requirement should have a single unambiguous meaning and be stated with short complete sentences. 1. Traceable Each Engineering requirement should be traceable to a Marketing Requirement IEEE Std. 1233-1998 9 Example Does the following requirement meet the four desirable properties? (abstract, verifiable, unambiguous, traceable) The robot must have an average forward speed of...
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The_Needs_SpecificationSpring2011 - The Requirement...

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