基于建筑供热节能需要和供热对象的特点 ,提出了供热负荷预报及对供热过程施加预测控制策略。根据时间序列分析原理 ,对供热负荷进行节能预报并作为预测控制的设定值。为满足实时性的要求 ,根据供热对象的特性对预测模型进行简化 ,给出了用预报误差校正代替误差校正的预测控制算法。最后对供热系统进行相关算法的仿真 ,其结果证明了该方法的有效性 Based on the characteristics of building heating and energy saving and heating objects, the forecast of heating load and the application of predictive control strategy to heating process are put forward. According to the principle of time series analysis, energy-saving heating load forecast as predictive control and set value. In order to meet the requirement of real-time, the prediction model is simplified according to the characteristics of heating object, and the prediction control algorithm which uses the error correction of forecast error instead of error correction is given. Finally, the heat system simulation algorithm, the results prove the effectiveness of the method