VELab: A VIRTUAL LAB FOR ELECTRONICS VIRTUAL EXPERIMENTS

J.-P. Gerval and Y. Le Ru

Keywords

Virtual environments, Virtual Reality Modelling Language, Java,electronics simulation, electronics virtual experiments, webbasedtraining

Abstract

This paper sets out a virtual reality application dedicated to electronics virtual experiments: circuit design and simulation. The virtual environment offers virtual components (resistors, capacitors, inductors, diodes, transistors and operational ampliļ¬ers) and virtual electronics equipments (generators and oscilloscopes). They are described in a standard Virtual Reality Modelling Language (VRML) format. Students can choose components and build a circuit. A remote simulation of the circuit is achieved using the SPICE program, which is a general-purpose circuit simulation program for nonlinear DC, nonlinear transient, and linear AC analyses. Simulation results are displayed on virtual electronics equipments, which are involved in the simulation. The implementation is based on VRML and Java as languages and Cortona VRML plug-in from ParallelGraphics. It is available through the Internet at the following URL: http://intranet.iseb.fr:85/.

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