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Des & Fab 1202

Des & Fab 1202. Lesson 1-2: The Design Process. SCO Connection. Following completion of this lesson, students will be able to: 1.2.1 Identify the steps in the design process [1.401]. BACKGROUND.

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Des & Fab 1202

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  1. Des & Fab1202 Lesson 1-2: The Design Process

  2. SCO Connection • Following completion of this lesson, students will be able to: • 1.2.1 Identify the steps in the design process [1.401]

  3. BACKGROUND • If you take a moment to observe your surroundings, you will see examples of technological creativity. • The physical objects you see, whether they are telephones, automobiles, bicycles, or electric appliances all came into being through the creative application of technology.

  4. Background • These everyday inventions did not miraculously appear, but originated in the minds of human beings and took time to develop. • Engineering is the creativeprocess of turning abstract ideas into physical representations (products or systems).

  5. Background What distinguishes engineers from painters, poets, or sculptors is that engineers applytheir creative energies to producing products or systems that meet human needs. This creative act is called design.

  6. ENGINEERING DESIGN • Most engineering designs can be classified as inventions-devices or systems that are created by human effort and did not exist before, or are improvements over existing devices or systems. • They are the result of bringing together technologies to meet human needs or to solve problems.

  7. Engineering Design Sometimes a design is the result of someone trying to do a task more quickly or efficiently. Design activity occurs over a period of time and requires a step-by-step methodology.

  8. Engineers as Problem Solvers • We described engineers primarily as problem solvers. What distinguishes design from other types of problem solving is the nature of both the problem and the solution. • Design problems are open ended in nature, which means they have more than one correct solution. They are not analysis problems/math problems. (snowball example)

  9. THE DESIGN PROCESS • The basic five-step process usually used in a problem-solving works for design problems as well. • Since design problems are usually defined more vaguely and have a multitude of correct answers, the process may require backtracking and iteration.

  10. The Design Process • Solving a design problem is a contingent process and the solution is subject to unforeseen complications and changes as it develops. • Until the Wright brothers actually built and tested their early gliders, they did not know the problems and difficulties they would face controlling a powered plane. See page 24 of Res Guide.

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