以傅里叶定律和能量守恒定律为基础，结合有限差分理论推导出有限差分温度计算模型。
Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite difference temperature model.
将多次曲线平均温度计算模型的应用于加速冷却过程控制系统，结果表明系统控制精度得到较大幅度的提高。
When the new model was applied to accelerated cooling process control system, the control accuracy of cooling system was improved apparently.
仿真结果显示，采用该模型的场景温度计算值和实测结果相符，并能够满足仿真对实时性的要求。
The simulation results show that the temperature values predicted by the scene using this model accords with the measured temperatures, and also fulfils the real-time requirement.
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