Multilayered antifriction nanostraction covering for lubrication in the tribocoupling

In article principles of creation of a new way of the lubrication a wheel-rail tribosystem by drawing on a lateral side of a rail head of a multilayered antifriction nanostructurial covering possessing property of blocking negative segregation phenomena in metals of a wheel and a rail are considered

Optimal paper web weight control system based on the Pontryagin’s maximum principle

The paper describes the stages of paper production, considers the structure of a paper-making machine. Questions related to the proof and use of the Pontryagin’s maximum principle in the theory of optimal control are considered. Optimal paper web weight control system based on the Pontryagin’s maximum principle is presented. Adaptive learning methods for modeling nonlinear systems represent some of the latest advances in adaptive algorithms and machine learning techniques designed to model and identify nonlinear systems. Real-world problems always involve a certain degree of non-linearity, which makes linear models a suboptimal choice. This article may be of interest to research engineers and practitioners in the study and application of control systems using adaptive regulators. This book serves as an essential resource for researchers, graduate students and doctoral students working in the field of machine learning, signal processing, adaptive filtering, nonlinear control, system identification, cooperative systems, and computational intelligence. This book may also be of interest to the industry market and practitioners working with a wide range of nonlinear systems

Polymeric composite and lubricants for the wearresistant friction units of railway mechanics

For long functioning of the friction unit it is necessary to create the steady layers between friction surfaces, which can lower considerably the friction force, and thereof also the wear reducing. Within the metal-polymer tribocoupling the friction transfer film shall function as a separating layer. The frame and kinetics of filming of friction carry at metal- binary material friction is studied, that creates the base for mining new high-performance self-lubricating polymer compositions.When the unit with a lubricant functions, a role of the uncoupling layer is being fulfilled by the lubricating film, which shall possess the given properties, that is to contain in its composition the nanoclaster additives, capable to function in a tribocoupling for a long time, constantly reappearing in a film due to the chemical reactions at friction. It is shown that introduction of nanomodified additives on the basis of phosphorus molybdate of metals into widely used lubricant compositions allows to create steady lubricant films between friction surfaces. The possible mechanism of action of inorganic phosphoprous-containing additives of the polymeric nature is discussed