复杂性、非线性、多尺度、不确定性是先进能源利用系统固有的本质特征,提出采用多尺度优化方法解决复杂系统模型的精度、复杂性和计算速度之间的关系,获得多尺度优化研究中模型的复杂性处理和控制机制的最佳方法.首先介绍了多尺度优化问题基本原理；然后阐述了复杂系统多尺度优化的若干科学问题相关研究进展,讨论其算法和特点；最后分析了多尺度优化在复杂系统的控制决策领域的应用,并展望了发展方向.%Comlplexity, nonlinearity, multi - scale as well as uncertainties are the inherent characterristics of advanced energy systems. Multi - scale optimization methods are proposed to deal with the relationships among the precision , complexity and speed of the complex system models, so as to obtain the optimal method to solve the models complexity and control mechanism of multi - scale optimization research. Hie basic principle of multi - scale optimization is firstly introduced. Then, a number of issues related to scientific research of the complex system of multi -scale optimization are described, and their algorithms and chracteristics are discussed. Finally, the applications of the multi - scale optimization in the control and decision field of complex systems are analysized, and its development is prospected.
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