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首页> 外文会议>Annual Allerton Conference on Communication, Control, and Computing; 20040929-1001; Monticello,IL(US) >SYNTHESIS OF EFFICIENT TIME-VARYING BIT-ALLOCATION STRATEGIES MAINTAINING INPUT-OUTPUT STABILITY
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SYNTHESIS OF EFFICIENT TIME-VARYING BIT-ALLOCATION STRATEGIES MAINTAINING INPUT-OUTPUT STABILITY

机译：维持输入-输出稳定性的有效时变位分配策略的合成

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摘要

In [10], we introduced a parameterization of general time-varying quantizers. The construction is general in that it can have infinite memory and be time-varying in that the strategy it follows in allocating a total of R bits to its inputs, is a function of time. We derived sufficient conditions for input-output stability as functions of the quantizer's time-dependent bit-allocation strategy for bounded reference inputs. Our generalized construction of the quantizer also led to the result that the set of allocation strategies that maintains stability is convex, allowing the search for the most efficient strategy to ensure stability to be formulated as a convex optimization problem. In this paper we review previous results and compute optimal bit-allocation strategies for a class of finite-memory quantizers for various plant and controller pairs, and observe that the most efficient strategies are time-varying and non-trivial. Throughout, we consider a system in which the plant and feedback controller are separated by a noiseless finite-rate communication channel.
机译：在[10]中，我们介绍了一般时变量化器的参数化。这种构造是通用的，因为它可以具有无限的内存，并且是时变的，因为其将总R位分配给其输入的策略是时间的函数。我们为有限参考输入的量化器的时间相关位分配策略提供了输入输出稳定性的充分条件。我们对量化器的一般化构造还导致了以下结果：维持稳定性的分配策略集是凸的，从而允许寻找最有效的策略来确保稳定性，从而将其表达为凸优化问题。在本文中，我们回顾了先前的结果，并针对各种工厂和控制器对，为一类有限内存量化器计算了最佳的位分配策略，并观察到最有效的策略是时变且非平凡的。整个过程中，我们考虑的系统中，工厂和反馈控制器之间由无噪声的有限速率通信通道隔开。

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