多能量系统的多时间尺度辨识
Multi-time scale identification for multi-energy system
摘要：
多能源系统因其各种优点而不断发展，例如，节能减排耦合元件能够将能量从一个时间尺度系统传递到另一个时间尺度系统，使得多能系统具有多时间尺度特性和宽频带，给动力学建模带来困难。本文研究了双时间尺度系统辨识问题。针对这一问题，提出了一种利用信号预滤波和相减的方法。将双时间尺度系统的高频部分和低频部分分别辨识，然后将其合并，形成一体化的并行结构。证明了该方法的一致性，并通过实例验证了该方法的有效性。
英文摘要：
Multi-energy systems have been leaping forward for its various benefits, e.g., energy conservation and emission reduction. Coupling components are capable of transmitting energy from one time scale system to another time scale system, so the multi-energy system exhibits multi-time scale characteristic and broad bandwidth, thereby causing difficulties in dynamic modeling. In this work, two-time scale system identification is studied. A method is developed to solve the problem, which is uses signal pre-filtering and subtraction. The high and low frequency parts of the two-time scale system are identified separately and then combined to form the incorporated in parallel structure. The consistency of the method is proved and case studies are used to verify the effectiveness of the method.
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