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Abstract-Regulation with help of simultaneous using of pump and valve in applying to main oil pipeline pressure control is researched in the article. An energy efficient mode for this system is being calculated. Article describes an algorithm and an idea of economic pressure stabilization.

This article contains information about creating special unit for scanning 3D objects. The main part of the unit is ultrasonic transducer, which is sends the sound wave to the object and receive back wave for calculating distance. After that, microcontroller send to PC data, and computer program create model for printing from the plastic etc.

-This paper describes methods and algorithms of setting plastic fiber extrusion unit. The scope of this article is automation of plastic fiber manufacture for 3D printing with implementation of advanced PID-algorithms, adaptive algorithms via the control vector redundancy.

Algorithm and structure of automatic pressure control in main oil pipeline are proposed in the article. Model of a process is being researched. Obtained results are being described terms energy losses minimization during pressure control. Crucial feature of an algorithm is an application of additional bypass valve.