METHOD OF DETERMINING ADDITIVE ERROR OF ELECTRONIC UNIT OF PENDULUM COMPENSATION ACCELEROMETER Russian patent published in 2006 - IPC G01P15/08 

FIELD: measuring engineering.

SUBSTANCE: method comprises measuring current through the input capacitor. The circuit of the accelerometer is disconnected from the outlet of the pickup of the moment of the sensor disconnected from the input of the capacitor of the analogue-digital converter. The input capacitor is shorted. The rate of the rise of the voltage of its charge up to the level of ten per cents of the maximum value after removing the shorting member indicates the value of dispersion current, which is independent of the sign of the load to be measured. A voltage that provides the value of current equal in absolute value but opposite in sign to the value of the value of the dispersion current is fed to the input capacitor. The input capacitor is charged from an individual source up to the maximum voltage necessary for its operation. The rate of spontaneous discharge indicates the value of the dispersion current depending on the sign of the load to be measured.

EFFECT: enhanced precision.

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