engineering, technology, and design loop
DESCRIPTION
Engineering Design and the Technological Design Loop Electronics Technology I Technology is… • The sum of all human knowledge, used to transform resources for the purpose of meeting human needs. • Make things work better. • A strategy for the survival of our people. • The means by which people control or modify their natural environment. • The application of knowledge (science).TRANSCRIPT
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Engineering Designand the Technological Design
Loop
Electronics Technology I
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Technology is…
• The sum of all human knowledge, used to transform resources for the purpose of meeting human needs.
• Make things work better.• A strategy for the survival of our people.• The means by which people control or
modify their natural environment.• The application of knowledge (science).
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Technology Engineering Science• The process of
using knowledge and resources to meet human needs and wants.
• The products that are developed through that process.
• Using technological and scientific knowledge to solve practical problems.
• A descriptive discipline that makes observations through experimental investigation in order to explain physical and natural phenomena.
• Science seeks to answer the question “Why?”
Technology vs. Science
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The Design Process
• A thinking process that involves planning with intention and purpose.
• Process involves switching between:• Thinking• Questioning• Evaluating• Doing
• Documenting - IMPORTANT!
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Step 1. Identify the ProblemSo what’s the problem?• Question: What it is you want or need to
accomplish?
Step 2. Create a Design BriefThis is what we have to accomplish!• Provides direction for the work of the
designer.• Summarizes the criteria and constraints for
the problem.
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Step 3. Research and Investigation
• Gather and document information that could be useful for reference later on.
• Information could surround:• Ergonomics• Human Factors• Engineering• Structural• Mechanical systems
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Step 4. Generation of Solutions
• As many solutions as possible = GOOD!
• No solutions get shot down, no bad ideas.
• Referred to as BRAINSTORMING
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Step 4. Generation of Solutions
• Some ideas may not be workable because:• Of costs• Technical know-how• Other reasons
• Do not think about this as you brainstorm!!• Workable ideas should be further developed
before they can be seriously considered.• Some solutions generate other solutions.
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Step 5. Choosing the Best Solution
• Two strategies• List attributes (good and bad) of ideas and
compare them.• Develop a matrix
• Rate each solution against specific criteria.
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Step 6. Developmental Work
• Plan your prototype• Modeling• Experimentation• Try different materials• Stage for technical planning
• Engineering drawing• Blueprints• Exploded-view drawings
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Step 7. Modeling and Prototyping
• CONSTRUCTION• Can create
• Computer models • Appearance models - look like finished
product• Functional models - operational models• Prototypes - function and look like the
finished product.
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Step 8. Testing and Evaluation
• Does the product do all that it is suppose to do?
• Have you accomplished your goal?• Is more developmental work needed?• Try giving it to an appropriate individual
who may use it. Handicapped, Navy• Receive Feedback
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Step 9 - Redesign
• Inevitably, problems arise with all design projects. Therefore, some redesign and tweaking is typically necessary.
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DESIGNDESIGNLOOPLOOP
1. Identify the Problem
2. Frame a Design Brief
3. Research and Investigation
4. Generate Solutions
5. Choose a Solution
6. Developmental Work
7. Modeling and Prototyping
8. Testing and Evaluating
9. Redesign