The Research of the Automobile Data Processing System of the Ride Comfort

摘要

This text has described the Ride Comfort meaning of the automobile and appraisal method mainly, and through the data collection, data processing realize the Ride Comfort course of analyzing. The data collecting system adopts the ceramic sensor of piezoelectricity to gather the vibration signal when the automobile goes on the pavement and changed it to digital signal by the A/D converter, gathered it in the computer. The data handling system have the pretreatment and optimizes to the signal that is gathered , through analyzes comprehensively these parameter about the digital signal including the power spectral density, add entire PLA square root value , transmit function, comfortable to reduce demarcation line expose time etc. So appraise the Ride Comfort of the automobile.