Method and system for gyroscope real-time calibration
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United States of America Patent
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Oct 2, 2018
Grant Date -
Feb 5, 2015
app pub date -
Jul 28, 2014
filing date -
Jul 30, 2013
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Abstract
A method for real-time calibration of a gyroscope, configured for supplying a value of angular velocity that is function of a first angle of rotation about a first angular-sensing axis that includes defining a time interval, acquiring from an accelerometer an equivalent value of angular velocity that can be associated to the first angle of rotation; calculating a deviation between the value of angular velocity and the equivalent value of angular velocity; iteratively repeating the previous steps through the time interval, incrementing or decrementing an offset variable by a first predefined value on the basis of the values assumed by the deviations during the iterations, and updating the value of angular velocity as a function of the offset variable.
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