摘要
卫星电源分系统的仿真涉及多学科领域,依靠传统的单领域、电路级仿真会在元件建模与算法控制之间产生矛盾。为解决元件模型与算法控制的有机统一问题,利用多领域动态系统仿真软件VTB建立卫星电源分系统的模型,并调用Matlab/Simulink中搭建蓄电池充电控制模块,在VTB中实现联合仿真。仿真结果表明:锂离子蓄电池组实现了恒流恒压充电,母线电压始终调节在28V,太阳电池阵和蓄电池组的功率、电流、电压输出都符合在轨卫星的供电要求,基于VTB与Simulink的联合仿真适用于卫星电源分系统的仿真。
The conventional circuit- class simulation in single -discipline brings contradiction between component modeling and arithmetic control , because simulation of satellite electrical power system （SEPS） is related to many disciplines. To solve this problem, VTB, a software for multi - discipline dynamic system , is used to build SEPS model, and it is co - simulated with a battery charge controller model designed in Matlab/Simulink in VTB. The result of simulation indicates that the constant current/constant voltage charge schedule was implemented in lithium ion battery stack ;the bus voltage was regulated to 28V all the time; the power, current and voltage output of the solar array and the battery stack meet the requirements of the satellite power supply in orbit. So, the co - simulation based on VTB and Simulink is suitable for simulating the SEPS.
出处
《计算机仿真》
CSCD
2007年第7期69-73,共5页
Computer Simulation
