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Implementation of Active Headset Based on Piezoelectric Control and Study on Its Robustness Improving
Author(s): 
Pages: 55-59
Year: Issue:  7
Journal: AUDIO ENGINEERING

Keyword:  有源耳罩自适应反馈噪声控制压电陶瓷鲁棒性;
Abstract: 采用IMC控制器结构,设计自适应数字滤波器消除耳罩内的噪声.次级声源采用压电陶瓷驱动,可有效减轻耳罩体积和重量.针对对象变化和反馈控制器特点,研究了如何加强系统的鲁棒性.实验及仿真结果表明,加强鲁棒性后算法对较高频率噪声信号及对象变化较大的情况有一定效果.
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