Electromagnetic Driven Flyer Plate Key Technology Research

The protection technology of the armored vehicle was increased with the wide application of new materials, new structures, and new technology. Active electromagnetic protection developed because of the protection cell become small, modular, intelligent, and easy processing.At present, the theoretical and experimental study of coaxial coil inductive electromagnetic launch research still in the stage of exploration, the test scheme, the structure design of fly board, precise control of flying board, launch device of the modular still under development.Based on physical processes and variation principle of mutual inductance between the flying plate and transmitter coil in the process of the electromagnetic launch, the electromagnetic flying plate motion model in the launch phase was established. The launch law of the electromagnetic flying plate motion characteristics were studied, and the transmitter coil structure was optimized. Based on the Maxwell soft, eddy current distribution within the flying plate, the magnetic field distribution and the electromagnetic force between the launch coils and flying plate, The effect of the base plate's properties to the flying plate's acceleration were analyzed. By the preceding analysis, flying plate motion characteristics in the process of launch was gained. Also the test model and test methods was improved to provide the practical basis of industrialization of the electromagnetic driven flying plate technology. Through the AUTODYN 3D to simulate the intercept process of the flying plate to bomb and optimize electromagnetic drive mode. The results showed that, The transmitter coil parameters has obvious impart to the velocity of flying plate, the speed of flying plate can be improved by reduce inductance or increase mutual inductance in the loop. The acceleration of flying plate showed linear. The research result will be broad applied by Military and Aerospace.