2011•MicroprocessorsRequires access

Based on AT89S52 Virtual Speed Measuring Instrument Design

Zhao Guifan

Abstract

According to the specific application requirements,the experimental data acquisition system application of AT89S52 as core,using double counter realized a half cycle of the pulse measurement.By using USB virtual serial chip,complete the acquisition card and PC data communication.Using the virtual instrument technology,design and develop the program in the LabVIEW environment to achieve a cost-effective vehicle speed measurement,portable used in braking system test.Through simple modified sensor,this system can also be applied to other measuring speed occasion.

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Available abstract

Key concepts: Computer science, USB, Data acquisition, Computer hardware, Virtual instrument, Serial communication, Embedded system, Software