Analysis of Parameter Sensitivity of Induction Coil Launcher Based on Orthogonal Experimental Method

There are many parameters that can affect the launching efficiency of the induction coil launcher (ICL), but which parameter is the most important factor to the launching efficiency still needs further study. Taking the 82-mm caliber ICL, for instance, eight parameters of the ICL were chosen to analyze based on orthogonal experimental method, and then the tables of the parameter level and orthogonal experiment were built, respectively. After that a simulation model of the ICL was built and each experiment scheme in the orthogonal table was analyzed by simulation, and then the launching efficiency of each experiment scheme was obtained. Furthermore, the range analysis method was used to analyze the parameter sensitivity of the ICL. The research results show that the parameter sensitivity of the ICL from high to low for the analysis instance above is as follows: external radius of driving coil, trigger position, capacitance, driving coil turns, armature length, charge voltage of capacitor, driving coil length, and armature inner radius, which is useful to the parameter optimization and the design of the ICL. After that, four ICLs with different parameters were designed, with which the experiments were taken and the research results obtained from the orthogonal experimental method were verified.