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Stability of quantized control systems under dynamic bit assignment

delete2005-05-01
delete85
PRE
AI
Q
Qiang Ling
L
Lemmon, MD
DOI:10.1109/TAC.2005.847044delete
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摘要

摘要

En 中文
In recent years, there have been several papers characterizing the minimum number of quantization levels required to assure closed-loop stability. This minimum bit rate is usually achieved through time-varying quantization policies. Many networks, however, prefer a constant bit rate configuration, so it is useful to characterize the stability of quantized feedback systems under constant bit rate quantization. This note first derives a lower bound on the number of quantization levels required for closed-loop stability under constant bit rates. We then introduce a novel dynamic bit allocation policy that achieves this bound.
Keyword:
asymptotic stability
dropout
dynamic bit assignment
quantized control system
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期刊

IEEE Transactions on Automatic Control 封面图
IEEE Transactions on Automatic Control
IF:
7
论文数:
1.3W
被引数:
6.7W

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