结构响应主动控制的时域与频域实现

结构响应主动控制技术是结构振动主动控制的一种新方法，并由于其具有直接以结构振动响应为目标，概念简单、实现容易和采用前馈控制、没有系统稳定性问题等优点而日益受到重视。本文评述了结构响应主动控制的基本原理、特点及控制系统的基本组成，并对两种最基本的实现方法－时域法和频域法的基本思想、适应能力、及实现难易程度等方面进行比较分析，指出时域法在适应能力、适用范围和应用潜力上优于频域法，但在实现上对硬件的计算

Implementation of Active Control of Structural Response in Time Domain and Frequency Domain

Active control of Structural Response(ACSR) is a new method of active control of structural vibration, to which more and more attention is paid because of its simple concept of having the aim of minimizing the response of the structure, the relatively easy implementation and the stability for taking use of feedforward control. In this paper, summaries are given on the principle, the characteristics and the basic configuration of ACSR,and the implementation algorithms in the time domain and frequency domain are shown. In comparison with the frequency domain algorithm, the time domain algorithm has faster updating rate, better adaptability and wider application potential, but higher requirement in hardware technology, while the frequency domain algorithm is more suitable for slowly changing vibration and its implementation is relatively easier. At the end of this paper,some future questions about the algorithms are discussed.