Dynamic Characteristics Analysis and Flight Test of Free Flight Model with Four Propellers

Abstract

Flight mode characteristics of free flight model with four propellers are analyzed, based on the results and flight test requirement, the control law is designed, then the simulation model is established and analyzed, finally, the control law is applied to free flight model test.The flight test results show: the propeller promoted the velocity stability and Dutch mode characteristic; level and turn flight stall test subjects were effectively accomplished based on the control law; the dynamic model built can simulate the free flight model test processand initially predict the stall characteristics; level stall angel is 10-12°, turn stall angel is 8-10°.