MINLP Model for Operational Optimization of LNG Terminals

Ye, Zhencheng; Xiaoyan, MO; Zhao, Liang

doi:10.3390/pr9040599

Cited by 17 publications

(8 citation statements)

References 44 publications

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“…The comprehensiveness level of services C s at the transshipment terminal is assessed by comparing a cardinality of a set of services ordered by a customer (Equation ( 9)) with a cardinality of a set of services available at a certain terminal (Equation ( 10))-this comparison is given here as Equation (11).…”

Section: Calculation Of the Level Of Comprehensiveness Of Servicementioning

confidence: 99%

“…Various researchers have investigated sustainable energy issues and have discovered methods for reducing energy consumption. For example, Ye et al [11] suggested that liquefied natural gas import terminals can reduce energy consumption by cold energy recovery of the gas or a boil-off gas handling process. Energy reduction led Alzahrani et al [12] to review methods for the decarbonization of seaports (seaports are infrastructure facilities that conduct transshipment processes as well), which also can lead to a reduction in energy waste.…”

Section: Introductionmentioning

confidence: 99%

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The Complexity of Logistics Services at Transshipment Terminals

Filina-Dawidowicz

Kostrzewski

2022

Energies

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Transshipment is the process of off-loading an intermodal loading unit (for example, different types of containers, semitrailers, swap-bodies, and so on) from one means of transport (for example, a vessel, a freight railcar, etc.) and loading it onto another. Such a process, as well as other logistics services related to loading units, may take place at a transshipment terminal, which is the intermediate node added to an intermodal transport network when combining two or more liner services that facilitate freight transport. Growing customer requirements affect transshipment terminal operations and contribute to the development of comprehensive logistics services. Terminal clients expect the delivery of complex services that often pose serious challenges to terminals providing these services. The specific decision-making tools are essential for facilitating the shaping of terminals’ complex service offerings. In this study, we investigated the issues connected to the complexity of logistics services offered by transshipment terminals. The aim was to develop a decision-making approach to assess the complexity of logistics services offered by these terminals. A procedure for the formulation of complex and comprehensive service sets at transshipment terminals, which includes sustainable energy and energy efficiency issues, was proposed. The approach for assessing the complexity of services at terminals handling intermodal loading units was developed, and an appropriate mathematical model was applied. Consequently, indexes of the efficiency and comprehensiveness levels of ordered services in a terminal were proposed. The ranking of decision-making criteria influencing the shaping of complex service offerings was created based on the results of a questionnaire survey distributed among the managerial representatives of terminals located in Poland. The data obtained with the use of a questionnaire survey allowed us to verify the proposed approach. The research results may be useful for the management of transshipment terminals while making decisions on the creation of comprehensive services offered to their clientele.

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Section: Calculation Of the Level Of Comprehensiveness Of Servicementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Complexity of Logistics Services at Transshipment Terminals

Filina-Dawidowicz

Kostrzewski

2022

Energies

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“…Being liquefied, natural gas (LNG) is 600 times smaller than the gaseous state of N.G., LNG becomes especially attractive if obtained at a competitive cost. The authors of this article, Liang Zhao et al [8], show that modeling and optimizing the LNG terminals may also reduce energy consumption and GHG emissions. In this work, the authors propose an operational optimization model of the LNG terminal to minimize the energy consumption of boil-off gas (BOG) compressors and low pressure (L.P.) pumps.…”

Section: Original Researchmentioning

confidence: 99%

Expanding the Horizons of Manufacturing, towards Wide Integration, Smart System, and Tools

et al. 2022

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This research topic aims at enterprise-wide modeling and optimization (EWMO) through the development and application of integrated modeling, simulation and optimization methodologies, and computer-aided tools for reliable and sustainable improvement opportunities within the entire manufacturing network (raw materials, production plants, distribution, retailers, and customers) and its components [...]

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“…(1) WOA is applied to the position deployment optimization of mobile conventional missiles. It overcomes the disadvantages of many constraints and difficult to solve the position deployment optimization problem and provides a new method for solving the problem (2) A three-level sector position deployment model and a position optimization model based on MINLP [23] are established. The deployment mode is more complex, and the constraint conditions of the model are more complete, which is more in line with the actual combat of conventional missile weapons…”

Section: Introductionmentioning

confidence: 99%

Position Deployment Optimization of Maneuvering Conventional Missile Based on Improved Whale Optimization Algorithm

Zhang

Zhao

et al. 2022

International Journal of Aerospace Engineering

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To reasonably allocate mobile conventional missile battle positions and improve the survivability and combat effectiveness of the missile weapon system, a missile position deployment optimization design model based on Mixed-Integer Nonlinear Programming (MINLP) is established. First, for the multilevel position network, an optimization model with the goal of maximizing the viability is established, and a two-stage solution method is proposed. Second, the whale optimization algorithm (WOA) is improved, and the convergence factor which changes nonlinearly with the number of evolution is introduced to coordinate the local development and global search ability of the algorithm. The diversity mutation operation is carried out on the optimal individual to reduce the probability of premature convergence of the algorithm, and the improved whale algorithm is used to solve the optimization model. Finally, the performance of the improved algorithm is verified by example analysis and simulation experiments, which provides a reference for the deployment mode of mobile missile positions.

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MINLP Model for Operational Optimization of LNG Terminals

Cited by 17 publications

References 44 publications

The Complexity of Logistics Services at Transshipment Terminals

The Complexity of Logistics Services at Transshipment Terminals

Expanding the Horizons of Manufacturing, towards Wide Integration, Smart System, and Tools

Position Deployment Optimization of Maneuvering Conventional Missile Based on Improved Whale Optimization Algorithm

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