Abstract
Aiming at the problem of attitude test of special aircraft in flight, the combined test technology of geomagnetic sensor and angular velocity sensor is studied. The mathematical model of special aircraft roll attitude test based on combined measurement is established. The error models of special aircraft roll angle based on yaw angle input and pitch angle input are derived, respectively, and based on the actual flight trajectory data of aircraft, the mathematical model of special aircraft roll attitude test is established The simulation results show that the roll angle error input by yaw angle is between -0.4° and 0.9°, while the roll angle error input by pitch angle is between -0.4° and 1.2°, which shows that the calculation accuracy of roll angle input by yaw angle is higher, and the existence of magnetic measurement blind area is verified. In this paper, the method of judging the blind area of geomagnetic survey and the algorithm model of eliminating the influence of blind area are proposed.
Highlights
With the rapid development of military science and technology, the demand for precision guided special aircraft with long-range suppression, precision strike, high-efficiency damage, multipurpose, and multifunction is becoming more and more important in modern war
The pitch angle and roll angle of the aircraft are measured by three-axis angular velocity sensor, and the other two attitude angles are measured by three-axis geomagnetic sensor
The simulation results show that the results show that the yaw angle input geomagnetic sensor is more effective in measuring the attitude of aircraft, and an effective method to solve the blind area of magnetic measurement is proposed
Summary
With the rapid development of military science and technology, the demand for precision guided special aircraft with long-range suppression, precision strike, high-efficiency damage, multipurpose, and multifunction is becoming more and more important in modern war. The special aircraft attitude angles measured by this system are trajectory inclination angle, trajectory deflection angle, and roll angle obtained by both. This paper proposes a method of combining geomagnetic and angular velocity sensors to measure the attitude of special aircraft. The main content of this paper is to measure the flight attitude of special aircraft in all directions and trajectory by using three-axis angular velocity sensor and three-axis geomagnetic sensor. The pitch angle and roll angle of the aircraft are measured by three-axis angular velocity sensor, and the other two attitude angles are measured by three-axis geomagnetic sensor. The simulation results show that the results show that the yaw angle input geomagnetic sensor is more effective in measuring the attitude of aircraft, and an effective method to solve the blind area of magnetic measurement is proposed.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
