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Articles 1 - 4 of 4
Full-Text Articles in Engineering
Can Infopipes Facilitate Reuse In A Traffic Application?, Emerson Murphy-Hill, Chuan-Kai Lin, Andrew P. Black, Jonathan Walpole
Can Infopipes Facilitate Reuse In A Traffic Application?, Emerson Murphy-Hill, Chuan-Kai Lin, Andrew P. Black, Jonathan Walpole
Computer Science Faculty Publications and Presentations
Infopipes are presented as reusable building blocks for streaming applications. To evaluate this claim, we have built a significant traffic application in Smalltalk using Infopipes. This poster presents a traffic problem and solution, a short introduction to Infopipes, and the types of reuse Infopipes facilitate in our implementation.
The Case For Thoroughly Testing Complex System Dynamic Models
The Case For Thoroughly Testing Complex System Dynamic Models
Wayne W. Wakeland
In order to determine whether model testing is as useful as suggested by modeling experts, the full battery of model tests recommended by Forrester, Senge, Sterman, and others was applied retrospectively to a complex previously-published system dynamics model. The time required to carry out each type of test was captured, and the benefits that resulted from applying each test was determined subjectively. The resulting benefit to cost ratios are reported. These ratios suggest that rather than focusing primarily on sensitivity testing, modelers should consider other types of model tests such as extreme condition tests and family member tests. The study …
The Case For Thoroughly Testing Complex System Dynamic Models, Wayne Wakeland, Megan Hoarfrost
The Case For Thoroughly Testing Complex System Dynamic Models, Wayne Wakeland, Megan Hoarfrost
Systems Science Faculty Publications and Presentations
In order to determine whether model testing is as useful as suggested by modeling experts, the full battery of model tests recommended by Forrester, Senge, Sterman, and others was applied retrospectively to a complex previously-published system dynamics model. The time required to carry out each type of test was captured, and the benefits that resulted from applying each test was determined subjectively. The resulting benefit to cost ratios are reported. These ratios suggest that rather than focusing primarily on sensitivity testing, modelers should consider other types of model tests such as extreme condition tests and family member tests. The study …
Open Source Software For Commercial Off-The-Shelf Gps Receivers, Andrew Greenberg
Open Source Software For Commercial Off-The-Shelf Gps Receivers, Andrew Greenberg
Dissertations and Theses
Inexpensive and commercially available Global Positioning System (GPS) receivers can be used in novel applications, such as nanosatellites and unmanned aerial vehicles (UAVs), by modifying the receiver's software. Unfortunately, typical GPS software development systems cost tens of thousands of dollars and have restrictive license agreements, such as non-disclosure agreements, for both their hardware and software. This thesis describes the design and construction of an open source GPS receiver development system that addresses these unnecessary restrictions. For the first time, any developer with a PC, a commercially available GPS receiver, and this development system can quickly and easily develop software for …