engineering design process updated: 8/30/2010 senior design project
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Engineering Design Processupdated: 8/30/2010
SENIOR DESIGN PROJECT
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ABET Definition of Engineering Design
Engineering design is the process of devising a system, component, or process to meet desired needs. It is a decision-making process (often iterative), in which the basic sciences, mathematics, and engineering sciences are applied to convert resources optimally to meet a stated objective. Among the fundamental elements of the design process are the establishment of objectives and criteria, synthesis, analysis, construction, testing, and evaluation. [ABET]
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Achieving Excellent Project
• To achieve success in executing engineering and design projects, it takes an understanding of the design process, strong knowledge of design tools, and professional skills.
Success of Product: Yesterday Competing costToday Quality Tomorrow Design
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Engineering
• Engineer: One versed in the design, construction, and use of machines
• Engineers use methodical application of scientific knowledge and technology– Math, science and Fundamental
technologies
Innovation + Methodical Application of Science
Effective Engineering/Design
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Design ProcessPrescriptive or Descriptive?
• Prescriptive process for problem identification and requirements selection– Formal, exact sequences are defined – All aspects are clear– Good for defined problems and solutions
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Design Process
• Descriptive overview of the design process– Less formal
– Less emphasis on exact sequencing
A typical design is somewhere between
Descriptive and Prescriptive Design Process
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VLSI Design
• Divide-and-conquer approach
• The system is divided into subsystems
•
SpecificationSystem
ArchitectureLogic Design Circuit Design Layout
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Embedded System Design Process
• Not everything is sequential
Software Design Application Operating System Compiler
Hardware Design Architecture Synthesis Compiler
RequirementsAnalysis
Specifications
SystemArchitecture
Interface Design Software Drivers Hardware Drivers
Integrationand Test
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Value of the Design Process
How much does it cost to correct problems as process proceeds?
What happens after the initial designers are left?
Cost toimplementchanges
Project lifetime
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Course Objective
• Problem ID & customer needs
• Research/Problem Analysis
• Requirements Specification
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The World-Class Engineer. (Leonhard Center for the Advancement ofEngineering Education, The Pennsylvania State University)
Strong technical stills and
understanding of the design process
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Summary
• Engineering design is an iterative process.
• Design problems are open-ended with many potential solutions.
• Design processes represent best practices for realizing a system.
• Design processes may be prescriptive or descriptive.