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This paper provides a literature review on Adaptive Line Enhancer (ALE) methods based on adaptive noise cancellation systems. Such methods have been used in various applications, including communication systems, biomedical engineering, and industrial applications. Developments in ALE in noise cancellation are reviewed, including the principles, adaptive(More)
Brush-commutated small DC motors are widely used because they are cheap and easy to run. In controlling speed of such motors, estimation of rotational speed without sensors are required. In this study, a method to estimate the rotational speed is proposed, based on the fact that rotational speed of this motor is proportional to the fundamental frequency of(More)
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