Modular Electric And Electronic Platform Virtual Instrument To Achieve

It's the trend that electronic experiment platform takes the place of separated components and instruments in training and study of experiment. Having been familiar with the requirements equipments of the experiment, and the development of experiment platform, we design and implement one which is based on virtual instrument technology and modularization thought.Modularization is widely used in hardware and software design. According to the theory, we design an architecture in modules. All the equipments are divided into two groups, the commons are mounted on master board and the others on separated circuit boards. The interface between the two groups is standardized. Therefor, the integrated platform has a series of modules and can be expanded easily.The virtual oscillograph to measure voltage is brought into the system. Its DAQ board is based on EPP and 8051 is used as the controller. The program on PC is designed into two threads. They work together as a virtual oscillograph.Some methods are introduced, such as UML modeling and circuit simulation. The state diagram in UML is more useful in analysis and design of an embedded system. Simulations help us design with less mistakes and more quickly.The embedded application makes the design more difficult. Co-design and Co-verification are better methodologies and introduced in this paper. To use embedded real-time operationg system is my another suggestion.