Engineering Design/Problem Solving Process: Design Loop



Engineering Design/Problem Solving Process: Design Loop

STEP 1 – Defining - Identifying problems and opportunities: Analyzing real-world situations

-Identify the difficulties that must be overcome.

-Uncover possible design opportunities.

-Consider real-world contexts for design opportunities.

-State what the designer will do.

-State what the design will do.

-Develop a list of design specifications.

-Specify in detail what the design must accomplish.

-Specify the limitations/constraints the design must adhere to.

STEP 2 – Ideas + Investigation and research: Information gathering

-Gather all pertinent information.

-Ask and answer questions related to the design brief.

-Use a variety of sources e.g., lectures, videos, textbooks, the internet, etc…

-Identify key words, concepts, formulas, etc…

-Identify available resources.

-Document research results for future reference.

STEP 3 -Generating + Selecting Solutions: Brainstorming and Ideation

-Share possible design ideas – either complete or partial.

-Build on previously shared ideas.

-Generate sketches, doodles, notes, etc…

STEP 4 –Choosing – Developing + Testing Solutions: Compare and evaluate & Determining design details

-List the strengths and weaknesses of each design idea.

-Develop a matrix based on the design specifications identified in the design brief.

-Evaluate each design and choose the one that most effectively solves the problem.

-Experiment with different materials and fastening techniques.

-Develop and evaluate two dimensional models.

-Generate detailed technical/working drawings e.g., 2D, 3D, multi-view, exploded, etc…

-Determine precise relative measurements e.g., hole diameters, part lengths, etc…

STEP 5 -Modeling and prototyping: Construction

-Manufacture all necessary parts in accordance with the technical drawings.

-Assemble parts using adhesives and fasteners.

STEP 6 -Testing and evaluating: Analyzing results

-Operate the model in simulated and actual problem conditions.

-Compare the test results with the design brief.

-Identify and document design solution success and failures.

STEP 7 – Presenting + Redesigning and improving: Correcting design flaws

-Repeat necessary design loop steps until an acceptable solution is achieved.

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