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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Ferguson, Scott Andrew, H. Tilstra Carolyn, C. Seepersad Kristin, L. Wood |
| Copyright Year | 2009 |
| Abstract | Complex systems need to perform in a variety of functional states and under varying operating conditions. Therefore, it is important to manage the different values of design variables associated with the operating states for each subsystem. The research presented in this paper uses multidisciplinary optimization (MDO) and changeable systems methods together in the design of a reconfigurable Unmanned Aerial Vehicle (UAV). MDO is a useful approach for designing a system that is composed of distinct disciplinary subsystems by managing the design variable coupling between the subsystem and system level optimization problems. Changeable design research addresses how changes in the physical configuration of products and systems can better meet distinct needs of different operating states. As a step towards the development of a realistic reconfigurable UAV optimization problem, this paper focuses on the performance advantage of using a changeable airfoil subsystem. Design principles from transformational design methods are used to develop concepts that determine how the design variables are allowed to change in the mathematical optimization problem. The performance of two changeable airfoil concepts is compared to a fixed airfoil design over two different missions that are defined by a sequence of mission segments. Determining the configurations of the static and changeable airfoils is accomplished using a genetic algorithm. Results from this study show that aircraft with changeable airfoils attain increased performance, and that the manner by which the system transforms is significant. For this reason, the changeable airfoil optimization developed in this paper is ready to be integrated into a complete MDO problem for the design of a reconfigurable UAV. |
| Sponsorship | Design Engineering Division and Computers in Engineering Division |
| Starting Page | 57 |
| Ending Page | 68 |
| Page Count | 12 |
| File Format | |
| ISBN | 9780791849026 |
| DOI | 10.1115/DETC2009-87482 |
| e-ISBN | 9780791838563 |
| Volume Number | Volume 5: 35th Design Automation Conference, Parts A and B |
| Conference Proceedings | ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference |
| Language | English |
| Publisher Date | 2009-08-30 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Multidisciplinary optimization Transformation principles Reconfigurable system design Changeable systems Design Airfoils Unmanned aerial vehicles Optimization |
| Content Type | Text |
| Resource Type | Article |
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