Design Of A Remote Digital Circuit Experiment System Combining Virtual And Rea

The digital circuit experiment course is an important part of the teaching of electronics.In this thesis,in order to improve the traditional digital circuit experiments restricted by time and location factors,fixed experimental projects and low utilization of experimental resources,the Internet technology,remote control technology and cloud server technology are incorporated into the digital circuit experiment teaching,and a remote digital circuit experiment system is designed,and users can conduct remote digital circuit experiments by logging into this system through a browser.The paper describes the overall structure of the system and the functions of each component,and analyzes in detail the design and implementation of the hardware and software parts of the system.The hardware part adopts ARM+FPGA(Field Programmable Gate Array)architecture,designs the remote communication and control system based on ARM controller,realizes the hardware modular design scheme of the experimental system through FPGA+custom parallel bus technology,and realizes the remote real-time configurable digital logic circuit experimental system through FPGA reconfigurable technology.Logic circuit experiment system.The dynamic Hoffman data compression algorithm is used to dynamically compress the collected data during the transmission of experimental data,which effectively saves system storage space and improves the stability and speed of client operation.The human-computer interface of the digital circuit experimental system is designed and implemented through Canvas and HTML5 technologies.The interface supports the functions of experimental components dragging and dropping,interactive wiring and experimental circuit checking,etc.It is intuitive to use,simple to operate,flexible and easy to master,which can effectively improve the user design efficiency.Finally,this system was tested,and the test results show that the remote digital circuit experimental system designed in this paper can correctly complete the experimental contents of combinational logic and timing logic such as a four-person non-abstention voting machine,a four-bit binary addition counter and an eight-bit serial/parallel converter.