ABSTRACT
Vehicle comfort has become an important technical index of excellent performance of modern automobiles. By using virtual instrument technology, based on the sensors, data acquisition card and taken the LabVIEW as the core, a portable car comfort tester was designed. This instrument can effectively measure real-time vehicle parameters such as temperature, vibration, and speed, etc. By using LabVIEW graphical programming software, a human-machine interactive interface was developed for real-time analyzing, data processing, displaying the results, sending out alarm signals, and storing data. It provides support of theoretical data for optimizing the comfort index of the car. The experimental results show that this tester has strong applicability and can test the parameters of different vehicles by changing the software, which is easy to expand and has a good application prospect.
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