Design aspects for feed-forward multiple-input active noise controllers

	Design aspects for feed-forward multiple-input active noise controllers
Iranian Journal of Science and Technology Transactions of Mechanical Engineering
شناسنامه علمی شماره، دوره 26، شماره 3، اردیبهشت 2002، صفحه 407-418
شناسه دیجیتال (DOI): 10.22099/ijstm.2013.991
چکیده
The use of adaptive feed-forward controllers has proven to be a very successful strategy for controlling noise and vibration in a variety of applications. One reason is that the feed-forward controller is an open loop controller, which can be designed to cancel the undesired noise in a position with any accuracy. However, the feed-forward controller requires an input signal, called a reference signal, correlated to the noise source. Consequently, a single reference controller can only reduce noise radiated from a single noise source. In many applications, there is a need to attenuate noise produced by several noise sources. In this paper, three different structures, single, modulating and individual controller, for multiple input feed-forward controllers have been studied and some design aspects are investigated.
کلیدواژه‌ها
Active noise control؛ feed-forward control؛ multiple input؛ adaptive control؛ LMS

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