Design And Research Of Dynamic Flight Simulation On Main Axes Control System

The high-performance military aircrafts are frequently in a high-load state during the flight training or the mobile flight of aerial warfare. Thus the high-load flight technique has already become one of the key factors for exerting the excellent performances of military aircrafts and gaining the battle effectiveness. But "greyout", "blackout" and unconsciousness might be induced to the aircraft pilots by high-load flight, endangering the flight safety.In order to advancing the tactics flight skill of aircraft pilots in aerial warfare, improving the psychic and physiological endurance of aircraft pilots in high-load state, enhancing the battle effectiveness of air force, the aircraft pilots must perform a very considerable high-load flight training. The aircraft pilots should be trained frequently and repeatedly, so as to master the high-load flight technique and the protection ability against high-G value, adapt the fight training demand of high-performance military aircrafts. If real aircrafts are absolutely put to use into training, it will not only exhaust the life span of aircraft, but also damage the aircraft and endanger the flight safety.The dynamic flight simulator is a kind of novel flight simulator. Its most advantages are that can provide under-load simulated flight. So the simulator is the novel ground-training equipment and it is of great benefit to the air force's future military war. In a word, the aim is to realize—hard training on the ground, and master flying in the air.The dynamo draw and control system are the keys for regulating load and carrying out under-load flight. Aiming at the dynamo draw and the control system of the high-load flight simulator, the present studies is designed and performed detailedly. The main research contents of this thesis focus on analyzing the running principle and work mode of the dynamic flight simulator, introducing system units, adopting multivariate analysis for series of parameters calculation, investigating the load condition of principal-axis draw system, determining hardware units and anti-interference measures for control system, carrying out function design for safety-monitoring system in movement platform, designing diplo-closed-loop speed-regulating system, estimating system interference factors, and so on. The control system of the dynamic flight simulator adopts fuzzy PI control strategy and performs digital simulation by computer. By contrasting and analyzing the dynamic process and anti-interference ability between the different controls, we elucidate that adopting optimized fuzzy controller might realize the better control effects.