scholarly journals Thermo-economic analysis of a natural gas liquefaction plant

2018 ◽  
Vol 148 ◽  
pp. 42-49 ◽  
Author(s):  
Dominique Adolfo ◽  
Carlo Carcasci ◽  
Claudio Falchetti ◽  
Pietro Lubello
Keyword(s):  
Natural Gas ◽  
Economic Analysis ◽  
Natural Gas Liquefaction ◽  
Liquefaction Plant

scholarly journals ADJUSTMENT OF FUZZY ADAPTIVE REGULATOR OF COMPRESSOR UNIT FOR LIQUEFACTION OF NATURAL GAS

2021 ◽  
Vol 295 (2) ◽  
pp. 187-192
Author(s):  
Mykhailo Vasyliev ◽  
◽  
Brunetkin Oleksandr ◽  
Keyword(s):  
Natural Gas ◽  
Automatic Control ◽  
Control Systems ◽  
Adaptive Controller ◽  
Compressor Unit ◽  
Automatic Control Systems ◽  
Natural Gas Liquefaction ◽  
Compressor Installation ◽  
Adaptive Regulator ◽  
Liquefaction Plant

The main properties of the object are studied, as well as the methods by which new parameters can be found for the regulator of the compressor unit for liquefaction of natural gas. The main properties of the adaptive regulator itself are studied, as well as the method by which the work was performed is developed. A comparison was also made with other types of automatic control systems that can be used in this facility. The sequence of construction of the adaptive controller and its interaction with the object is studied. The initial results of the adaptive controller and their comparison with other automatic control systems are investigated. The general properties and rules of construction of the adaptive regulator, the basic subtleties at work with it are studied. New possibilities for regulation of the compressor installation for liquefaction of natural gas are fully considered and the basic rules concerning application of this adaptive regulator are deduced. A study of the effectiveness of the adaptive regulator for this object was conducted and conclusions were made on the work of the regulator and the effectiveness of its results. A special sequence of work was also developed for the construction of an adaptive controller and its application on site. In general, the basic rules for working with such a regulator and its application in a natural gas liquefaction plant are derived. The behavior of the plant is investigated and new settings for the regulation of the natural gas liquefaction plant are derived. The main types of regulation of this object are applied and new rules for finding settings for the main regulator of the compressor unit are derived. The work on comparison of already traditional types of regulation with the adaptive regulator is made and conclusions on application of this or that type of regulation of compressor installation comparing results of regulation are made. The possibility of real use of this regulator on a constant basis in production is investigated, conclusions on the main work of the regulator and also shortcomings which can arise at a choice of regulation with the adaptive regulator are made.

scholarly journals Economic Analysis in Coal Liquefaction Plant (II)-Introduction of Natural Gas-

2003 ◽  
Vol 82 (6) ◽  
pp. 334-340
Author(s):  
Tsutomu TAKAGI ◽  
Shinichi SHIMIZU ◽  
Teizaburo YAWATA
Keyword(s):  
Natural Gas ◽  
Economic Analysis ◽  
Coal Liquefaction ◽  
Liquefaction Plant
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