Patent RU-2764744-C1 (RU)
Title: Biaxial indicator gyrostabilizer
Inventor: Malyutin Dmitrij Mikhajlovich
IPC: G01C19/00
Filed: 2021-04-28
Granted: 2022-01-20
Abstract: FIELD: gyroscopic technology.  
     SUBSTANCE: invention relates to gyroscopic technology, and more specifically to biaxial indicator gyrostabilizers on micromechanical gyroscopes operating on manned and unmanned aerial vehicles (AV). The biaxial indicator gyrostabilizer contains an outer frame mounted on a base with rotation relative to an axis parallel to the longitudinal axis of the aircraft, and a platform located in it rotating relative to an axis perpendicular to the axis of rotation of the outer frame, the first torque sensor, whose input is connected to the output of the first power amplifier, whose input is connected to the output of the first corrective filter (CF), the input of the first CF is connected to the output of the first adder, the first input of which is connected to the output of the first micromechanical angular velocity sensor, mounted on a platform with a sensitivity axis parallel to the axis of rotation of the outer frame of a two-axis indicator gyrostabilizer, mounted on the axis of rotation of the inner frame, a second torque sensor, the input of which is connected to the output of the second power amplifier, the input of which is connected to the output of the second CF, the input of the second CF is connected to the output of the second adder, the first input of which is connected to the output of the second micromechanical angular velocity sensor, mounted on a platform with a sensitivity axis parallel to the axis of rotation of the platform of a two-axis indicator gyrostabilizer, the first micromechanical accelerometer mounted on a platform with a sensitivity axis parallel to the axis of rotation of the platform of the biaxial indicator gyrostabilizer, the output of which is connected to the input of the first amplifier, the output of the first amplifier is connected to the input of the third CF, the output of which is connected to the second input of the first adder, the second micromechanical accelerometer mounted on a platform with a sensitivity axis parallel to the axis of the outer frame of the biaxial indicator gyrostabilizer, the output of which is connected to the input of the second amplifier, the output of the second amplifier is connected to the input of the fourth CF, the output of which is connected to the second input of the second adder, the first command signal angle sensor mounted on the axis of the outer frame of the biaxial indicator gyrostabilizer, the output of which is connected to the first input of the third adder, the second command signal angle sensor mounted on the platform axis of the biaxial indicator gyrostabilizer, the output of which is connected to the first input of the fourth adder; an optoelectronic sensor mounted on a platform whose optical axis is perpendicular to the plane of the gyro stabilizer platform, the first control device, the output of which is connected to the input of the computing device of the outer frame channel (CDOFC), and also connected to the third input of the first adder, the output of the CDOFC is connected to the second input of the third adder, the second control device, the output of which is connected to the input of the computing device of the platform channel (CDPC), and also connected to the third input of the second adder, the output of the CDPC is connected to the second input of the fourth adder.   
     EFFECT: increase in the accuracy of the functioning of the biaxial indicator gyrostabilizer.  
     1 cl, 6 dwg, 1 tbl