Browse Items (100 total)

  • Tags: Process control

Rigorous mechanistic models of refining processes are often too complex, which results in long modeling times, low model computational efficiencies, and poor convergence, limiting the application of mechanistic-model-based process optimization and…

Rigorous mechanistic models of refining processes are often too complex, which results in long modeling times, low model computational efficiencies, and poor convergence, limiting the application of mechanistic-model-based process optimization and…

Rigorous mechanistic models of refining processes are often too complex, which results in long modeling times, low model computational efficiencies, and poor convergence, limiting the application of mechanistic-model-based process optimization and…

For many years the aerospace and automotive industries have realized significant improvements in efficiency, performance and cost savings by simulating multiple prototype vehicle designs and control systems under various operating conditions. These…

For many years the aerospace and automotive industries have realized significant improvements in efficiency, performance and cost savings by simulating multiple prototype vehicle designs and control systems under various operating conditions. These…

Recently, the big data technology has been applied in many field widely, such as finance, trade and medical healthy. But the applications in process industries are only in the beginning stages. In this paper, the characteristics, analyzing methods…

Rigorous mechanistic models of refining processes are often too complex, which results in long modeling times, low model computational efficiencies, and poor convergence, limiting the application of mechanistic-model-based process optimization and…

Rigorous mechanistic models of refining processes are often too complex, which results in long modeling times, low model computational efficiencies, and poor convergence, limiting the application of mechanistic-model-based process optimization and…

In the context of decarbonization and fossil fuel independence, Chile has a great task ahead. The most relevant is to become carbon neutral by 2050 by replacing fossil fuels with clean energy sources, where, besides hydraulics, solar and wind power…

The deep-water gas field in the South China Sea has been officially put into operation, but due to the strong energy of the bottom water in the offshore gas field, the production well is prone to water flooding, resulting in a serious decline in gas…

The traditional IE system takes a long time to query petroleum information and has poor information management effect. Based on this, a petroleum engineering information system based on big data technology is designed. In the hardware design, the…

Air pollution is one of the environmental challenges that have received a lot of discussion. The creation of a method to lessen air pollution. The suggested system includes a carbon monoxide (CO) sensor, a sensor for liquid petroleum gas (LPG), a GPS…

Iron (Fe) isotope is an effective tool for tracing Fe transformation, migration, and biogeochemical cycling in the Earth's surface system. In this study, the Fe content and stable isotope composition (56Fe/54Fe) in two Gleysol profiles (M1 and M2)…

An intelligent micro-grid management and application architecture are proposed with a mobile energy storage system. The main objective is to use the mobile energy storage system as flexible backup power for the power outage. With GPS positioning and…

Carbon capture and storage (CCS) technology has been widely investigated to decrease the greenhouse effect. Geological CO2 storage sites are targeted mainly on depleted petroleum reservoirs or deep saline aquifers. However, CO2 leakage might take…

An oil and gas field requires careful operational planning and management via production optimization for increased recovery and long-term project profitability. This article addresses the challenge of production optimization in a field undergoing…

Post-combustion solvent-based carbon capture is a promising technology that potentially can offset the greenhouse gas emissions from fossil-driven power generation systems. The challenge is that CO2 absorption (similar to other CCS technologies)…

Subsea processing enables broader exploration of oil and gas reservoir, giving an increased focus on developing alternative processes for subsea oil and gas treatment. This work provides a first evaluation of a new proposed subsea natural gas…

Coalbed methane, shale gas and tight gas within coal measures exist simultaneously in many basins worldwide, with the successful exploration and development of specific gas respectively. However, the multi-layer/multi-unconventional natural gas…

Puguang gas field is the largest un-compartmentalized marine stratum and high-sulfur gas field discovered in China. The natural gas purification device is mainly controlled by central control room for the main process, auxiliary facilities and public…

In order to study the decomposition process of gas hydrate depressurization production, a mathematical model of gas hydrate reservoir is established in cylindrical coordinate system and it is solved by finite difference method. With this modeling…

Fractionation has been proven to be an efficient method among different methods that can be used in stabilizing natural gas condensate. In this paper, an issue of improving a process that stabilizes natural gas condensate is raised and different…

Under the present conditions of oil and gas production, which are characterized by mature production fields and the focus shifted towards digitalization of production processes and use of machine learning (ML) models, the issues related to the…

Porosity is an important property of source rocks with implications on petroleum storage and expulsion. The evolution of porosity over geologic time-scales is controlled by coupled processes such as compaction, geothermal heating, kerogen kinetics,…

Industrial Control System (ICS) used in critical infrastructure like energy sector, oil and natural gas, chemical processing, waste water treatment etc. are of great importance since it serves to a larger population and hence termed as National…

In all links of natural gas supply, storage and marketing, accurate measurement of flow is one of the most critical links. Due to the high requirements of gas flow measurement for the flow meter measurement system, not only high accuracy of the flow…

This paper describes successful and cost effective design & implementation of PC-based SCADA training system for the natural gas transmission and distribution industry. The design provides robust and automated environment for centralized control of a…

The main objectives of this paper are to assess the impact of disturbances in a natural gas processing train in the upstream oil & gas fields and to validate a representative model which can be used for developing/testing a swift and anticipatory…

The disturbance in chemical process is complex and has the multiple characteristics, and the control performance assessment of multivariable system with multiple disturbances is one of the hot topics. In this paper, the control performance assessment…

The actual refining processes exist delays and the control effect is sensitive to the disturbance and the model mismatch, which are likely the reasons of control failure. Motivated by this problem, a feedforward decoupling dynamic matrix control with…

Nowadays one of the priority research areas for achieving technical progress within the Industry 4.0 program is the development of artificial intelligence and the introduction of innovations based on it into real industrial production. The article…

Control loop performance assessment (CLPA) has attracted considerable interest in recent years. Several methods for CLPA are proposed by researchers in last decade. Statistical methods are one of most important methods in CLPA. This paper addresses…

Practical guides are discussed as to why a how computer control results in tangible economic benefits, what to look for in a candidate, and how to evaluate the benefits. Several examples are presented. The examples are drawn from varied processes…

Modular multivariable controllers use interconnections of single process variable-multiple control effort controllers (i.e. Coordinated Controllers) plus logic to control multiple, possibly constrained, process variables with multiple, constrained,…

The fault detection and diagnosis is very important for a security of control systems. In this paper, the author presents a fault diagnosis technique of process based on the correlation coefficient in process variables. The process diagnosis function…

Experimental evaluation of the active fault tolerant control scheme developed with state space models (innovations form) identified purely from input-output data is carried out in the present work. A key problem in fault diagnosis with identified…

In all links of natural gas supply, storage and marketing, accurate measurement of flow is one of the most critical links. Due to the high requirements of gas flow measurement for the flow meter measurement system, not only high accuracy of the flow…

Due to many factors such as the construction environment, the existing tunnels still use drilling and blasting methods. The stress wave generated during the tunnel blasting process will cause some disturbance to the surrounding buildings, and…

The destruction of the atmosphere are the reasons for worldwide increase temperature. This problem come from utilization of petroleum fuel electrification. The increased use of clean power to replace petroleum can slow the destruction of the…

In terms of nature, the internal combustion engine is a kind of power machinery. Through the analysis of the maintenance operation flow of diesel locomotives and combined with the control principle of diesel locomotives, the key cost waste points in…

Recently, power networks are observing high-level integration of renewable energy, direct current (DC) loads, and energy storage devices. As a result of more power electronic-based components integration, the conventional alternating current (AC)…

An intelligent micro-grid management and application architecture are proposed with a mobile energy storage system. The main objective is to use the mobile energy storage system as flexible backup power for the power outage. With GPS positioning and…

This paper presents the design of soft sensors for estimation of froth quality in oil sands extraction processes. One of the most important quality indexes for bitumen froth is the water content. Due to the variations of oil sands compositions and…

To satisfy component concentration constraints in crude oil operations, it is necessary to blend different oil types, resulting in a mixed integer non-linear programming (MINLP) formulation for the scheduling problem of crude oil operations. Due to…

The study is devoted to various structures of the temperature control loop in the outlet pipe of the cooling unit. The control loop structures are built on the basis of the well-known mathematical model of the condenser. The results of the…

The use of modular prefabricated buildings for the integration of electrical, instrumentation, and control systems equipment is an established practice in the industry. The concept of prefabrication has developed to the point that entire processing…

Oil-gas-water three-phase flow is a complex time-varying nonlinear process, which widely exists in oil transportation. Oil-gas-water three-phase flow has complex interphase interface effect and relative motion. The coupling effect among three phases…

The paper examines the features of various approaches to the construction of automatic control systems for technological objects in the production and transportation of oil. An analytical description of automation and telemechanization objects based…

Due to many factors such as the construction environment, the existing tunnels still use drilling and blasting methods. The stress wave generated during the tunnel blasting process will cause some disturbance to the surrounding buildings, and…
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