结构振动声辐射的H∞控制实验研究
The H∞ control experiment study for structure-acoustic system
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摘要: 基于 H∞控制理论,建立了结构振动声辐射反馈力控制模型,将反馈控制器设计问题转化为标准 H∞控制问题求解。建立了一套以 TMS320C30数字信号处理芯片为核心的封闭空间弹性壁振动声辐射H∞控制实验系统。实验取得了在指定频带上噪声最大下降 7 dB的良好效果。Abstract: Based on the H∞ control theory,the feedback control model of structure-acoustic system is presented in this papers the feedback controller design problem is transformed into the H∞ standard problem to solve.A H∞ control system for enclosed space is also build up,which is based on the TMS320C30 DSP board.In experiment,the noise has been reduced 7 dB (A) in assigned frequency band.
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