TRANSDUCER STATIC CHARACTERISTIC CORRECTION METHOD AND DEVICE TO THIS EFFECT Russian patent published in 2008 - IPC G05B6/02 

FIELD: metrology.

SUBSTANCE: invention relates to metrology and can be used for correction of the pressure, force, angular travel transducer static characteristics. The method of correction of the transducer static characteristic of the Z=f(X) form consists in conversion of a physical quantity X by function F₀ into quantity Y, subtraction thereof of a compensating uniform quantity Y_k, conversion of no-compensation quantity ΔY=Y-Y_k, conversion of resulted quantity into quantity Z, conversion by function F₁ of quantity Z into quantity Y_X, and conversion of resulted quantity Yx by parametric conversion Y_k=F₂(Y_X, Θ), conversion of F₂ effected allowing for T factors influencing the X physical quantity measurement representing a mathematical model of converting Y_X into Y_k being expressed as F₂=f[F₀,F₁]. The transducer static characteristic correction device incorporates converter 1 to convert measured quantity X into quantity Y made up of primary converter 2 and first ADC 3, a comparator 4, an integrator 5, DAC 6, ADC 7, mathematical model unit 8 built around a microprocessor and pickups 9 of factors influencing the physical quantity X measurement process.

EFFECT: higher linearity of the transducer static characteristic and its insusceptibility to factors influencing the measurement process.

3 cl, 1 dwg