1 Introduction to Engineering Economy.ppt
- 1. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Engineering Economy Chapter 1: Introduction to Engineering Economy
- 2. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling The purpose of this book is to develop and illustrate the principles and methodology required to answer the basic economic question of any design: Do its benefits exceed its cost?
- 3. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Engineering economy… involves the systematic evaluation of the economic merits of proposed solutions to engineering problems.
- 4. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Solutions to engineering problems must • promote the well-being and survival of an organization, • embody creative and innovative technology and ideas, • permit identification and scrutiny of their estimated outcomes, and • translate profitability to the “bottom line” through a valid and acceptable measure of merit.
- 5. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Engineering economic analysis can play a role in many types of situations. • Choosing the best design for a high-efficiency gas furnace. • Selecting the most suitable robot for a welding operation on an automotive assembly line. • Making a recommendation about whether jet airplanes for an overnight delivery service should be purchased or leased. • Determining the optimal staffing plan for a computer help desk.
- 6. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling There are seven fundamental principles of engineering economy. • Develop the alternatives • Focus on the differences • Use a consistent viewpoint • Use a common unit of measure • Consider all relevant criteria • Make uncertainty explicit • Revisit your decisions
- 7. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Engineering economic analysis procedure • Problem definition • Development of alternatives • Development of prospective outcomes • Selection of a decision criterion • Analysis and comparison of alternatives. • Selection of the preferred alternative. • Performance monitoring and postevaluation of results.
- 8. Copyright ©2009 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved. Engineering Economy, Fourteenth Edition By William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling Electronic spreadsheets are a powerful addition to the analysis arsenal. • Most engineering economy problems can be formulated and solved using a spreadsheet. • Large problems can be quickly solved. • Proper formulation allows key parameters to be changed. • Graphical output is easily generated.