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The Error Compensation of Inclinometer Based on Polynomial Fitting

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Document pages: 8 pages

Abstract: In order to reduce the influence of nonlinear characteristic and temperature on the measuringaccuracy of inclinometer, the applicationof polynomial fitting principle tocompensate the measuring error of inclinometer is studied. According to theanalysis of the experimental data of inclinometer, a polynomial model of thenonlinear error and the measured value is constructed, and then the relationbetween the coefficient of the polynomial model and the temperature is obtainedby fitting, and finally the function ofthe measurement error of inclinometer on the measured inclination andtemperature is obtained. The results show that this method is feasible andeffective, which can not only reduce the influence of temperature, but also correct its nonlinear error.

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