To reduce the impacts of nonlinearity and variation of environment temperature on the measurement of the inclinator

a software compensation technology for the inclinator’s nonlinear error and temperature drift error is studied using the method of polynomial fitting

on the basis of fully research on the measurement characteristic.The polynomial model between the measurement error and the nonlinear output is built.The relational function between each coefficient of the polynomial model and the environmental temperature is obtained by fitting.A calculation formula of the inclinator’s measurement error in a range of inclination and temperature is acquired.The experiment demonstrates the feasibility and validity of the proposed method.