Abstract: To eliminate the impact of temperature on accelerometer, by using the method of least square estimation, a law that the coefficients of the accelerometer model vary with temperature has been obtained, and the static temperature model of the accelerometer within 20℃~50℃ has also been established. The hardware system is composed of DSP(TMS320F240). After temperature compensation with the above model by the system, the magnitude of output change is 10-4, but without temperature compensation the magnitude of output change is 10-3, and the output of the accelerometer’s stability has a significant improvement.

Key words: accelerometer, temperature compensation, identification for temperature model