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Combined MIMO adaptive and decentralized controllers for broadband active noise and vibration control

机译:组合式MIMO自适应和分散控制器,用于宽带有源噪声和振动控制

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摘要

Model errors in multiple-input multiple-output adaptive controllers for reduction of broadband noise and vibrations may lead to unstable systems or increased error signals. In this paper, a combination of high-authority control (HAC) and low-authority control (LAC) is considered for improved performance in case of such model errors. A digital implementation of a control system is presented in which the HAC (adaptive MIMO control) is implemented on a CPU and in which the LAC (decentralized control) is implemented on a high-speed Field Programmable Gate Array. Experimental results are given which demonstrate that the HAC/LAC combination leads to performance advantages in terms of stabilization under parametric uncertainties and reduction of the error signal.
机译:用于减少宽带噪声和振动的多输入多输出自适应控制器中的模型误差可能导致系统不稳定或误差信号增加。在本文中,考虑将高权限控制(HAC)和低权限控制(LAC)结合使用以在出现模型错误的情况下提高性能。提出了一种控制系统的数字实现,其中HAC(自适应MIMO控制)在CPU上实现,而LAC(分散控制)在高速现场可编程门阵列上实现。实验结果表明,HAC / LAC组合在参数不确定性下的稳定性和误差信号的减小方面带来了性能优势。

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