Understanding Engineering: Concepts and Processes
Engineering is the application of science, math, and technology to design solutions for everyday problems, benefiting society. The Engineering Design Process (EDP) involves defining problems, researching, brainstorming solutions, building prototypes, testing, communicating designs, and redesigning as needed. Terms like formal, iterative, criteria, and constraint play crucial roles in the iterative EDP cycle. Engineering encompasses a body of knowledge, a practice, a field, and a way to tackle modern challenges through creative problem-solving.
- Engineering Concepts
- Engineering Design Process
- Science and Technology
- Problem-solving
- Iterative Process
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WHAT IS WHAT IS ENGINEERING? ENGINEERING? Lending a Hand: Lending a Hand: Teaching Teaching Forces through Assistive Device Design Forces through Assistive Device Design Activity EDP Assistive Hand Device Presentation Activity
ENGINEERING IS ENGINEERING IS the application of science, math and technology, to design and build solutions for everyday problems. the creation of things to benefit society.
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS The formal, iterative process used to design and build solutions, often explained in 5-8 steps. Also called EDP.
EDP VOCABULARY EDP VOCABULARY TERMS TERMS Formal The steps of the design process are followed in a particular order (clockwise)
EDP VOCABULARY EDP VOCABULARY TERMS TERMS Iterative Repetitive The Steps of the EDP may be conducted many times, resulting in the generation of many designs and prototypes.
WHAT IS ENGINEERING? WHAT IS ENGINEERING? A body of knowledge A practice A field A way to solve today s challenges
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 1. Define the problem/Identify the need 2. Research the problem 3. Brainstorm/develop solutions 4. Select the solution 5. Build/construct prototype 6. Test and evaluate prototype 7. Communicate the design 8. Redesign (as needed)
EDP VOCABULARY EDP VOCABULARY TERMS TERMS Criteria A limitation or restriction
EDP VOCABULARY EDP VOCABULARY TERMS TERMS Constraint Standards against which something must be judged Minimum expectations assigned for a design
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 1. Define the Problem/Identify the Need Make clear the need for a solution. Identify the criteria and any constraints.
THE PROBLEM: CLIENT STATEMENT THE PROBLEM: CLIENT STATEMENT The doctor hires you to design and build an assistive device (hand). Due to cerebral palsy, a fine motor disorder, a 12 year-old boy has difficulty conducting everyday activities. Assistive hand device can grip a cup that increases in weight.
CLIENTS CRITERIA CLIENT S CRITERIA Must be able to grip a cup, that increases in weight. Cup gripped must contain at least 200 ml of sand. Must look somewhat similar to the human hand. Can be manipulated with hands. Costs equal to, or less than, $50.00. Is completed in 5 days.
BIOMEDICAL ENGINEER BIOMEDICAL ENGINEER A person who uses knowledge in the STEM fields, particularly engineering and medicine, to create solutions that improve the health and quality of life for human beings.
BIOMECHANICS BIOMECHANICS The study of the motions of the human body, especially of the forces exerted by muscles on the skeletal structure.
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 2. Research the Problem Collect information about concepts relevant to the problem statement. Take notes (in own words) from valid sources.
REVERSE ENGINEERING REVERSE ENGINEERING The process of conducting research on how a solution (object or process) works, in order to understand what works well and what does not work well.
Research relevant topics: the structure of the human hand the function of the human hand And then: Conductreverse engineering: assistive hand devices that have already been invented assistive technologies for gripping cups the pros and cons of both (above) technologies
REMEMBER REMEMBER In your research, consider the materials you will use and their costs per unit
ON NOTEBOOK ON NOTEBOOK PAPER PAPER ProsCons
BUDGET BUDGET A determined quantity that must be considered in design and testing plans A constraint
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 3. Brainstorm Solutions Generate ideas that will solve the problem (as defined in step 1, Define the Problem/ Identify the Need).
BRAINSTORMING RULES BRAINSTORMING RULES 1. Generate as many ideas as possible. 2. Withhold judgment and be respectful. 3. Encourage wild ideas. 4. Build on others ideas as much as possible.
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 4. Select the Best Solution Pick one design that will best solve the problem. All members of the design team must agree to start with this choice.
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 5. Build Prototype Followed by 6. Test and Evaluate Prototype Observe and collect data on how your design performs, whether criteria are satisfied.
EDP VOCABULARY EDP VOCABULARY TERMS TERMS User A person using the solution Client A person who hires the engineer Engineer A person who designs solutions
STAKEHOLDERS STAKEHOLDERS ENGINEERS ENGINEERS MEMBERS OF YOUR MEMBERS OF YOUR DESIGN TEAM DESIGN TEAM USER USER CLIENT CLIENT THE DOCTOR THE DOCTOR (TEACHER (TEACHER) ) 12 12 YEAR YEAR- -OLD (ANY STUDENT) (ANY STUDENT) OLD BOY BOY
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 7. Communicate the Design Communicate to other(s) about how your prototype performed in the test, and why.
ENGINEERING DESIGN PROCESS ENGINEERING DESIGN PROCESS 8. Redesign Go back to any step in the EDP and revise your prototype, according to feedback from step 7, Communicate the Design.
