Design and Thrust Output Analysis of Linear Induction Motor for Electromagnetic Ejection of Fixed-Wing UAV

According to the requirements of the fixed-wing UAV’s ejection acceleration take-off index, based on the T-type equivalent circuit model of the linear induction motor, the electromagnetic thrust output value of the linear induction motor required for acceleration and driving is deduced and analyzed. Design a long primary unilateral linear induction motor for take-off of fixed-wing UAV to meet the electromagnetic ejection acceleration requirements of UAV. The equivalent circuit of the motor considering the side effect is established, and the mathematical model of the linear induction motor is established according to the design parameters of the linear induction motor. Simulation and analysis of the influence of the slip frequency on the electromagnetic thrust output of the linear induction motor under different operating speeds and different influencing factors. The constant current-slip frequency control method is used to control the electromagnetic thrust output of the linear motor, seek the optimal slip frequency of the linear induction motor, and optimize the design parameters and control methods to meet the accelerated take-off requirements of the fixed-wing UAV.