ENGI1112_CustomerIDFRsConstraints_Spring2012

ENGI1112_CustomerIDFRsConstraints_Spring2012 - Customer...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Elizabeth M. C. Hillman, Ph.D. ENGI 1112 – Biomedical Engineering 2/14/2012 Customer Identification, Functional Requirements, and Constraints
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Brainstorming: MAIN GOAL: everyone participates Reserve judgment, criticism, evaluation, and defence of ideas Encourage wild ideas Building on others’ ideas is encouraged Make sure all ideas are written down Quantity is more important than quality Don’t stop when a “great idea” comes along
Background image of page 2
IDEAS: Ways to measure…… Breathing Measure expansion of the chest Rate of gas exchange - nose/mouth Temp of air in/out body Blood oxygen levels Air composition Bucket of water - bob up and down Electric signals caused by muscles Feather over mouth Stink-o-meter Microphone on chest -> nose/mouth/ear/throat/neck Bubbles Air pressure in the lungs Fire breathing
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Engineering Design Process 5 Basic Steps of Design Problem Definition Research Idea Generation Solution Evaluation & Decision Making Implementation, Testing, & Evaluation
Background image of page 4
During brainstorming sessions: MAIN GOAL: everyone participates Reserve judgment, criticism, evaluation, and defence of ideas Encourage wild ideas Building on others’ ideas is encouraged Make sure all ideas are written down Quantity is more important than quality Don’t stop when a “great idea” comes along
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Got Problems? Think of problems that could be solved by a breathing monitor…. . Asthma Athletes running Sleep apnea Monitor patients in hospitals Stress monitor Newborns Over exertion detector At-home physiology studies Coal miners
Background image of page 6
Engineering Design Process 5 Basic Steps of Design Problem Definition Research Idea Generation Solution Evaluation & Decision Making Implementation, Testing, & Evaluation
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Problem Definition: Need Statement Unambiguously state the problem/need Identifies the desired change in outcome Solution neutral, do not express how or what the solution is Wording must be carefully selected Statement may be iteratively refined Can be a targeted problem Avoid: 1. Inaccurate scope definition – Too broad or too narrow 2. Embedding the solution
Background image of page 8
Need statements A mouse trap A vacuum cleaner
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
How do you find the best solution? 1) Understand the problem! Understand the biology of the problem Understand the technical basis of the problem Understand what the customer wants (or doesn’t know they want yet) Understand what will limit your choice, e.g. price, weight, complexity etc. Find out all you can about what is already available
Background image of page 10
How do you find the best solution? 2) Research and Brainstorm solutions Examine and reverse engineer existing solutions Look at related products that serve the same customers or meet similar needs Think!
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
How do you find the best solution? 3) Select
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 40

ENGI1112_CustomerIDFRsConstraints_Spring2012 - Customer...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online