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Session 2533

A Java-based Authoring Tool for Developing Power Systems Labware

P. Jayanetti, J. Olcott, J. Johnson, J. Patton Department of Electrical and Computer Engineering University of Maine

This paper describes our efforts in developing Java class libraries to provide multi- media authoring capability similar to many high level commercial programming environ- ments while also providing a rich mathematical simulation capability. The tools are being used to develop multimedia based simulation labware to augment junior and senior power systems labs. This authoring system will allow us to easily integrate C++ or Java models of protective relays, three phase transformers, synchronous machines, and other equip- ment. A World Wide Web page was created that contains additional material showing the user interface. The Web page can be accessed at http://www.eece.maine.edu/Power/Java.

1 Introduction Recently there has been a great deal of interest in developing multimedia based courseware and labware [1, 2, 3,4, 5,6]. This project involves the creation of a Java based, multimedia power plant simulator, to be used in coordination with a power system lab course [7]. The simulator emulates Bangor Pacific’s West Enfield Hydro-Electric Power Plant, located on the Penobscot River in Maine. Junior engineering students at the University will augment traditional labs with the multimedia power plant simulator. The simulator will enable students to “connect” lab experience using scaled down equipment to real-world power production and control sit- uations. Initially, we attempted to use commercially available packages to develop the simu- lator. Most multimedia authoring tools such as Apple’s Apple Media Tool, Macromedia Director, and mFactory’s mTropolis, do not provide the ability to easily integrate simu- lation models written in C or C++. Furthermore, most of these tools are written for the Apple Macintosh platform, and problems inevitably arise during porting of code to a PC platform. Many platform and programming options were explored before we chose Java as the development vehicle. Java not only gives the ability to create a multimedia development environment, it provides the ability to integrate C++ models into the project. Java is platform indepen-

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Jayanetti, P., & Olcott, J., & Johnson, J., & Patton, J. (1997, June), Java Based Authoring Tool For Developing Power Systems Labware Paper presented at 1997 Annual Conference, Milwaukee, Wisconsin. 10.18260/1-2--6659