FIELD: instrument engineering.
SUBSTANCE: invention relates to the field of instrument engineering. The method for combined calibration of the accelerometer block consists in the fact that a single array of residuals of the received and expected measurements of the apparent acceleration vector and its absolute value is formed from the obtained measurements. The resulting array is linearly associated with the calibrated parameters of the accelerometer error model. The influence of residuals in individual measurements and in the absolute value of the acceleration vector on the obtained estimate is balanced by setting the Kalman filter algorithm for a stationary system, with the help of which the correction vector of the parameters of the measuring model of accelerometers is estimated, that is, their refinement.
EFFECT: increase in the accuracy of calibration of the accelerometer block.
1 cl
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR SCALAR CALIBRATION OF ACCELEROMETER UNIT | 2020 |
|
RU2753150C1 |
ADAPTIVE ATTITUDE ANGLE CORRECTOR FOR STRAPDOWN INERTIAL NAVIGATION SYSTEM | 2020 |
|
RU2749152C1 |
DEVICE TO DETECT ANGLES OF SPATIAL ORIENTATION OF MOVABLE OBJECT | 2014 |
|
RU2555496C1 |
METHOD FOR DETERMINING PARAMETERS OF MODEL OF MEASUREMENT ERRORS OF ACCELEROMETERS OF INERTIAL NAVIGATION SYSTEM AS PER SATELLITE NAVIGATION MEASUREMENTS | 2012 |
|
RU2504734C1 |
METHOD OF DETERMINING NAVIGATION PARAMETERS OF OBJECT AND STRAPDOWN INERTIAL NAVIGATION SYSTEM FOR IMPLEMENTATION OF METHOD | 2017 |
|
RU2661446C1 |
METHOD TO CALIBRATE SENSITIVE ELEMENTS OF PLATFORM-FREE INERTIAL NAVIGATION SYSTEM IN FLIGHT | 2012 |
|
RU2486472C1 |
METHOD OF ESTIMATING NAVIGATION STATE IN CONDITIONS OF LIMITED POSSIBILITY OF OBSERVATION | 2015 |
|
RU2701194C2 |
METHOD OF DETERMINATION OF INSTRUMENT ERROR OF INERTIAL NAVIGATION SYSTEM METERS AT INITIAL ALIGNMENT STAGE | 2005 |
|
RU2300081C1 |
METHOD FOR MEASURING ERRORS OF THE INITIAL ALIGNMENT OF AN INERTIAL NAVIGATION SYSTEM WITHOUT REFERENCE TO EXTERNAL LANDMARKS | 2021 |
|
RU2779274C1 |
STRAPDOWN INTEGRATED NAVIGATION SYSTEM OF AVERAGE ACCURACY FOR MOBILE ONSHORE OBJECTS | 2013 |
|
RU2539131C1 |
Authors
Dates
2021-11-02—Published
2020-11-27—Filed