Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
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Effects of Subtractive Dithered Quantizers in Feedback Control Systems
Ryosuke Morita
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2016 Volume 29 Issue 5 Pages 225-230

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Abstract

Subtractive dither method is that artificial noise called “dither signal” added to the original signal before quantization and subtract the same noise from the quantized signal. In this paper, the method is applied into quantized feedback control systems and the performance of quantizers with subtractive dither is analyzed. One of the analyzed quantizer is that using usual subtractive dither. In addition, another type of the quantizer which is using “asymmetric subtractive dither” is also analyzed.

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© 2016 The Institute of Systems, Control and Information Engineers
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