Abstract
An innovative online course in advanced manufacturing is developed based on a unique integration of a state-of-the-art learning tool (AVML, or Advanced Virtual Manufacturing Laboratory) with a course management tool (OnCourse). The AVML is a collaborative web-based virtual learning environment for integrated lecture and lab delivery that allows for the first time the delivery of effective, realistic and complete advanced manufacturing curriculum which includes hands-on practice. The system seamlessly and synergistically integrates multimedia lecture, interactive 3D simulation, and realistic experimentation in a virtual reality environment. The learning experience is further enhanced by the use of intelligent virtual tutors and lab instructors. The AVML is built around two engines. IVRESSTM, which allows for the creation of virtual lab with near-realistic, fully functional, and interactive CNC machine tools. The development involves three main elements, namely, a simulator for CNC milling and lathe machines, a virtual-environment display engine, and an intelligent-agent engine. LEATM (Learning Environment Agent), provides a platform for lecture delivery. The lecture is presented by the speaking virtual instructor and involves high end multimedia using flash and movies for real-life illustrations, 2D/3D interactive simulation, and different types of practice questions. The lecture material is delivered in different formats to address the needs of different types of learners (visual, auditory, and kinesthetic). On the other hand, OnCourseTM course management tool is seamlessly interfaced with the learning environment and acts as a gateway to the lectures and labs that are delivered in the AVML environment. It provides a platform for accessing/taking projects, homework, quizzes and exams, for online monitoring and assessment of student work and performance, and for supporting interaction and collaboration. In this paper, the implementation the course is presented. In addition, the results of the assessment of the usability of the interface of the learning environment is described and discussed.
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