Design and realization of an acceleration measurement system by using Model 1221

A small-size acceleration measurement system based on ARM system was designed by using acceleration chip Model 1221 and expanding the external memory. Combined with the communication port,the application software was developed to display,store and deal with the data measured. By measuring the centripetal acceleration of the rotating body at the uniform velocity,this system was calibrated. The blast acceleration produced by shaking table was surveyed,and then the data were compared. The results show that the size of this system is smaller,the intelligent extent is higher,the dynamic range is greater and the memory capacity is larger.