Systems and methods for off-line and on-line sensor calibration

• Main Authors: Bageshwar Vibhor L, Elgersma Michael Ray
• Format: Patent
• Language: English
• Published: 09.05.2017
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURVEYING; TESTING

Systems and methods for off-line and on-line sensor calibration are provided. In certain embodiments, a method for calibrating a sensor comprises receiving at least one reference measurement describing a system state for a system; and receiving at least one sensor measurement from the sensor, wherein the at least one sensor measurement is acquired from an observation of the environment of the system by the sensor. The method also comprises calculating a model residual power spectral density based on the at least one reference measurement and a sensor measurement model; and calculating a measurement residual power spectral density based on the at least one sensor measurement and the at least one reference measurement. Further, the method comprises identifying sensor parameters that morph the model residual power spectral density towards the measurement residual power spectral density.