【摘要】 为预测卫星热控系统温度、提高该系统故障诊断准确率 ,采用了基于模型的研究方法 ,建立了热控系统数学模型 .将Newton -Щаманский方法应用于模型的求解中 ,提高了运算效率 .通过建模和求解 ,获得了各节点在正常和各故障模式下的温度 ,给出了一种有效的故障诊断方法 .该方法预测准确、运算速度快、诊断率高 ,还可以用于卫星其他系统的预测与故障诊断 .更多还原

【Abstract】 A model based research method is adopted to forecast the temperature and improve the accuracy of fault diagnosis for satellite heat control subsystem. A mathematical model is established. Newton—Щаманский algorithm is applied to the solution of the model. It enhances the efficiency of operation. The temperature at every point under normal and every kind of fault condition can be obtained by making and solving the model. An efficient fault diagnosis method has been proposed.更多还原