Ergonomics and Workplace Design

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Figure 2.1 The product life cycle. • Systems engineering concentrates on what the entities are intended to do before determining what the entities are composed of. • This set of needs drives the life-cycle phases of acquisition and utilization, made up of design, construction or production, maintenance and support, renovation, and eventually ending with phase-out and demolition/disposal. • Any useful system must respond to identified functional needs. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.2 Life cycles of the system. Product competitiveness is desired by both commercial and public-sector producers worldwide. Thus, the systems engineering challenge is to bring products and systems into being that meet customer expectations cost-effectively. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.3 Technological activities and interactions within the system life-cycle process. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.4 System process activities and interactions over the life cycle. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.5 Some systems engineering process models (sheet 1). Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.5 Some systems engineering process models (sheet 2). Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.6 Some system design considerations. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.7 Decomposing system design requirements. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.8 A hierarchy of system design considerations. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.9 The relationship of synthesis, analysis, and evaluation. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. TPMs, DDPs, DIPs • Applicable criteria regarding the system should be expressed in terms of technical performance measures (TPMs) and exhibited at the system level. • Attributes that depend directly on design characteristics are called designdependent parameters (DDPs), with specific measures thereof being the TPMs. In contrast, relevant factors external to the design are called design-independent parameters (DIPs). • Technical performance measures (TPMs)—predicted and/or estimated values for DDPs. They also include values for higher level (derived) performance considerations (e.g., availability, cost, flexibility, and supportability). • Design-independent parameters (DIPs)—factors external to the design that must be estimated and/or forecasted for use during design evaluation (e.g., fuel cost per pound, labor rates, material cost per pound, interest rates, and others). • Design-dependent parameters (DDPs)—attributes and/or characteristics inherent in the design for which predicted or estimated measures are required or desired (e.g., design life, weight, reliability, producibility, maintainability, pollutability, and others). • Technical factors may be expressed in terms of system effectiveness, which is a function of performance, operational availability, dependability, and so on. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.10 Systems engineering morphology for product realization. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.11 Application domains for systems engineering. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.12 Life-cycle commitment, system-specific knowledge, and incurred cost. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Figure 2.13 Systems engineering versus engineering discipline influence on design. Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Homework Go to the INCOSE website and find the page about the journal Systems Engineering. Pick an article that touches upon a topic in this chapter and relate it thereto in no more than one paragraph. Go to the INCOSE website and identify one individual from the Fellows group who most closely matches your own interest in systems engineering. Say why you would like to meet this person. What is the full meaning of the phrase “designing for the life cycle”? How are requirements related to technical performance measures? What is the remedy when requirements and TPMs are not in agreement? Systems Engineering and Analysis, Fifth Edition Benjamin S. Blanchard • Wolter J. Fabrycky Copyright ©2011, ©2006, ©1998 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
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Running head: ERGONOMICS HOMEWORK – ASSIGNMENT 1

ERGONOMICS HOMEWORK – ASSIGNMENT 1
(NAME)
IEGR 360 – Ergonomics and Workplace Design
(DATE)

1

ERGONOMICS HOMEWORK – ASSIGNMENT 1

2

Question 1.
For this assignment, I have selected the paper “Reducing rework by applying set-based
practices early in the system engineering process” written by Brian M....


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