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推进剂利用系统是运载火箭的关键分系统之一,可有效提高火箭的运载能力。为进一步了解推进剂利用系统的工作原理与工作特性,采用模块化思想对推进剂利用系统中相互独立的子系统进行数学建模,并在Matlab/Simulink仿真平台上建立了推进剂利用系统动态仿真模型,通过实例仿真对模型的准确性进行了验证。仿真结果表明,该模型具有较高的精度,能够准确模拟推进剂利用系统的工作过程,具有较强的工程实用价值。
The propellant utilization system is one of the key subsystems of the launch vehicle, which can effectively improve the carrying capacity of the rocket. In order to further understand the working principle and working characteristic of the propellant utilization system, the modular idea is used to mathematically model the independent subsystems in the propellant utilization system and the dynamic simulation of the propellant utilization system is established on the Matlab / Simulink simulation platform The model is verified by the simulation of the model. The simulation results show that the model has high precision, accurately simulates the working process of the propellant utilization system, and has strong engineering practical value.