NeedAnalysis-ProblemStatement

NeedAnalysis-ProblemStatement - NEED ANALYSIS / PROBLEM...

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Unformatted text preview: NEED ANALYSIS / PROBLEM STATEMENT By: Prof: Wilmer Arellano Fall 2011 Overview Some characteristics of Senior Design Projects Prescribing the Design Process Problem Definition Need Analysis The Designer-Client-User Triangle The Client’s Need The Client Interview The User Needs The Survey Need Analysis Example Problem Statement Assumptions and limitations. Operating environment. Intended user(s) Intended use(s). References Excerpts from the book “Engineering Design, a Project Based Introduction”, second edition by Clive I. Dym and Patrick Little. J ohn Wiley and Sons, Inc. ISBN 0-471-25687-0 Karl T. Ulrich and Steven D.Eppinger. (2000). Product Design and Development. Second Edition. McGraw-Hill: New York Senior Design Project Projects Senior Design Projects are new. You need to design something that, to the best of your knowledge, is new or is a new approach to a previous design. Doesn’t that mean that somehow you need to be inventors? Senior Design Project Projects Senior Design Projects are ill- structured. Because their solutions cannot normally be found by applying mathematical formulas or algorithms in a routine or structured way. Senior Design Project Projects Senior Design Projects are ill- structured and open- ended. It is pure art: Woman in White , 1923 Pablo Picasso Dream , 1932 Pablo Picasso S ame subject, different Design, same author Senior Design Project Projects Senior Design Projects are open- ended. Because they usually have several acceptable solutions. Uniqueness, so important in many mathematics and analysis problems, simply does not apply to design solutions. Engineering Design Problems Prescribing the Design Process Problem Definition Input: client’s Need Statement Tasks: Talk with the Client, (interview) Some Potential Us ers (Survey), Conduct your own Brains torming Ses s ions , (Fis hbone) Review Similar Products , Indus try Reports , Literature, Patents Talk to Marketing People, and Experts . Res earch, Market data publications , Market Trends . Output: Revis ed Problem Statement Refined Objectives Us er Requirements Cons traints As s umptions and Limitations Need Analysis ( The Client’s Need) Client Statements usually have limitations because they often: Contain errors, Show biases, or Imply solutions. “FIU College of Engineering needs to reconfigure the intersection (Bias, the problem could be timing of the signals instead of reconfiguration) of Flagler Boulevard (Error) and 107th Avenue so students can cross the road.” Need Analysis ( The Client’s Need) Cus tomer: “We want a rear door installed on the aircraft we are ordering” (Implied Solution) Design, test, and get FHA (Functional Hazard Assessment) approval for a new tail section with a door in order to make sale. Design involves three parties, Client,...
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This document was uploaded on 12/29/2011.

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NeedAnalysis-ProblemStatement - NEED ANALYSIS / PROBLEM...

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