针对水下开式循环热动力系统的强烈非线性特征及航行器的姿态变化 ,提出了一种变参数实时混合仿真系统的原理和方法。该实时混合仿真系统能够适应水下热动力系统的整个工作范围 ,可有效地用于检验热动力系统各部件之间的适配性能 ,并在试验中优化系统的结构参数。 Aiming at the strong non-linear characteristic of open-cycle thermo-dynamical system and the attitude change of aircraft, a principle and method of variable-parameter real-time hybrid simulation system are proposed. The real-time hybrid simulation system can adapt to the entire working range of the underwater thermodynamic system, which can be effectively used to test the adaptability between the components of the thermodynamic system and optimize the structural parameters of the system in the experiment.