On the Relation Between Information and Power in Stochastic Thermodynamic Engines

On the Relation Between Information and Power in Stochastic Thermodynamic Engines
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论随机热力发动机中信息与功率的关系

DOI:
10.1109/lcsys.2021.3078716
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发表时间:
2022
影响因子:
3
通讯作者:
Georgiou, Tryphon T.
Georgiou, Tryphon T.
中科院分区:
--
文献类型:
--
作者:
Taghvaei, Amirhossein;Miangolarra, Olga Movilla;Fu, Rui;Chen, Yongxin;Georgiou, Tryphon T.

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“信息就是力量”这句俗语在随机热力学中有着严格的形式,两者之间的定量等价有助于解释麦克斯韦妖在减少熵的能力上的悖论。在这封信中,我们以早期关于热力学发动机循环运行中生产工作的信息的相对成本和收益之间相互作用的研究为基础(由Sandberg et al. 2014)。具体来说,我们研究了反馈中时变电位(控制作用)中的过阻尼粒子的一般情况,该反馈利用热力学系综的连续测量(非线性滤波)来产生涉及信息的热力学第二定律的适当适应。
The common saying, that information is power, takes a rigorous form in stochastic thermodynamics, where a quantitative equivalence between the two helps explain the paradox of Maxwell's demon in its ability to reduce entropy. In this letter, we build on earlier work on the interplay between the relative cost and benefits of information in producing work in cyclic operation of thermodynamic engines (by Sandberg et al. 2014). Specifically, we study the general case of overdamped particles in a time-varying potential (control action) in feedback that utilizes continuous measurements (nonlinear filtering) of a thermodynamic ensemble, to produce suitable adaptations of the second law of thermodynamics that involve information.
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