Commercially available active noise control headphones rely on fixed analog controllers to drive "anti-noise" loudspeakers. Our design uses an adaptive controller to optimally cancel unwanted acoustic noise. This headphone would be particularly useful for workers who operate or work near heavy machi ...
有源电力滤波器(Active Power Filter,简称 APF)是近年来治理电力系统谐波污染的非常有效的装置。众所周知,电力电子装置和非线性负载的广泛使用,使谐波电流和无功电流大量注入电网,严重威胁电网和电气设备的安全运行与正常使用,并且产生大量的能源浪费。随着我国“十一五”规划中关于建设节约型社会的战略方针的提出 ...