Welcome W 3 2 Introduction to Engineering Design

Today’s Learning Outcomes By the completion of today's meeting, students should be able to:

Prescriptive Design Process A Prescriptive Design Process that outlines the steps necessary to progress

Prescriptive Design Process Each stage has Inputs, has Design Steps that have to be

Feedback & Iteration Evaluation and assessment are very important to ensure the quality. Feedback

Strategic Thinking Rule # 1: Least Commitment: Don’t make a decision if you don’t

Formal Methods There are formal methods for the design process, e. g. objectives tree,

Acquiring Information What do you think are the sources for acquiring information? literature review

Project Statements 1 Example 1: Design a container for a new juice product. Who

Project Statements 2 Design a protection device from the sun! Who could be the

Exercise # 1 This is an exercise to be solved as a team. The

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Welcome W 3. 2 Introduction to Engineering Design II (IE 202) Chapter 2: The Design Process 1

Today’s Learning Outcomes By the completion of today's meeting, students should be able to: Identify the elements of each design process. Express the relation between various blocks of the design process. 2

Prescriptive Design Process A Prescriptive Design Process that outlines the steps necessary to progress through a design. 3

Prescriptive Design Process Each stage has Inputs, has Design Steps that have to be performed, and produces Outputs (or product). Outputs from one stage become the Inputs for the next stage. 4

Problem Definition 5

Conceptual Design 6

Preliminary Design 7

Prescriptive 8

Communication 9

Feedback & Iteration Evaluation and assessment are very important to ensure the quality. Feedback is an essential part of the design process, which is usually iterative. 10

Strategic Thinking Rule # 1: Least Commitment: Don’t make a decision if you don’t have to. Never marry your first design! Rule # 2: Decomposition: Smaller problems are usually easier to solve. Divide and conquer! Dissecting 11

Formal Methods There are formal methods for the design process, e. g. objectives tree, design alternatives, pairwise comparison chart, metrics, black box & transparent box, performance specification method, morphological chart, function-means tree (all to be covered later) 12

Acquiring Information What do you think are the sources for acquiring information? literature review user surveys & questionnaires focus groups, brainstorming, informal interviews, structured interviews, reverse engineering 13

Project Statements 1 Example 1: Design a container for a new juice product. Who could be the potential users? What questions should you ask? 14

Project Statements 2 Design a protection device from the sun! Who could be the potential users? What questions should you ask? 15

Exercise # 1 This is an exercise to be solved as a team. The answer should be submitted electronically. The file name for your work when submitted should be: Exercise # 1 – Z? ? e. g. Exercise # 1 – ZX 9 16