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Artykuły w czasopismach na temat „Dynamic supply chain-Fuzzy logic”

Autor: Grafiati
Data publikacji: 6 września 2023
Data aktualizacji: 7 września 2023

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1

Poornikoo, Mehdi, and Muhammad Azeem Qureshi. "System dynamics modeling with fuzzy logic application to mitigate the bullwhip effect in supply chains." Journal of Modelling in Management 14, no. 3 (2019): 610–27. http://dx.doi.org/10.1108/jm2-04-2018-0045.

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Purpose A plethora of studies focused on the cause and solutions for the bullwhip effect, and consequently many have successfully experimented to dampen the effect. However, the feasibility of such studies and the actual contribution for supply chain performance are yet up for debate. This paper aims to fill this gap by providing a holistic system-based perspective and proposes a fuzzy logic decision-making implementation for a single-product, three-echelon and multi-period supply chain system to mitigate such effect. Design/methodology/approach This study uses system dynamics (SD) as the cent
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Jamegh, Riyadh, Dr AllaEldin Kassam, and Dr Sawsan Sabih. "DEVELOPMENT OF FUZZY LOGIC APPROACH TO OPTIMIZE SAFETY STOCK LEVEL IN DETERIORATED PRODUCTS/A SUPPLY CHAIN DAIRY INDUSTRIES CASE STUDY." Al-Qadisiyah Journal for Engineering Sciences 11, no. 3 (2019): 332–44. http://dx.doi.org/10.30772/qjes.v11i3.564.

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In today's complex environment, a high responding ability represents a core for each organization to survive in a competitive environment. To grip your position in intense competition market, the organization must design high efficiency inventory system that has the ability to respond to changes in demand and at the same time reduce holding cost of accommodation to the lowest possible value by controlling inventory drivers such as safety stock level (SS). The traditional approaches of safety stock are limited to deal with dynamic behavior of market. Advanced approaches based on soft computing
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Xu, Bowei, Weiting Liu, and Junjun Li. "Resilience Regulation Strategy for Container Port Supply Chain under Disruptive Events." Journal of Marine Science and Engineering 11, no. 4 (2023): 732. http://dx.doi.org/10.3390/jmse11040732.

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There are many inevitable disruptive events, such as the COVID-19 pandemic, natural disasters and geopolitical conflicts, during the operation of the container port supply chain (CPSC). These events bring ship delays, port congestion and turnover inefficiency. In order to enhance the resilience of the CPSC, a modified two-stage CPSC system containing a container pretreatment system (CPS) and a container handling system (CHS) is built. A two-dimensional resilience index is designed to measure its affordability and recovery. An adaptive fuzzy double-feedback adjustment (AFDA) strategy is propose
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Matawale, Chhabi Ram, Saurav Datta, and S. S. Mahapatra. "A fuzzy embedded leagility assessment module in supply chain." Benchmarking: An International Journal 23, no. 7 (2016): 1937–82. http://dx.doi.org/10.1108/bij-12-2013-0113.

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Purpose In today’s ever-changing global business environment, successful survival of manufacturing firms/production units depends on the extent of fulfillment of dynamic customers’ demands. Appropriate supply chain strategy is of vital concern in this context. Lean principles correspond to zero inventory level; whereas, agile concepts motivate safety inventory to face and withstand in turbulent market conditions. The leagile paradigm is gaining prime importance in the contemporary scenario which includes salient features of both leanness and agility. While lean strategy affords markets with pr
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Aengchuan, Prasert, and Busaba Phruksaphanrat. "Inventory System Design by Fuzzy Logic Control: A Case Study." Advanced Materials Research 811 (September 2013): 619–24. http://dx.doi.org/10.4028/www.scientific.net/amr.811.619.

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Existing inventory lot-sizing models assume certain demand and sufficient supply, which are not practical for industry. Dynamic inventory models can serve uncertain demand, but supply is assumed to be available. However, in the real world situation, supply is not always offered. So, the method that can deal with both uncertain demand and supply should be developed. Fuzzy logic control is now being the effective methodology in many applications under uncertainty. Therefore, a fuzzy logic approach for solving the problem of inventory control under uncertainty was proposed for a case study factor
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Pérez-Pimentel, Yolanda, Ismael Osuna-Galán, Carlos Avilés-Cruz, and Juan Villegas-Cortez. "Power Supply Management for an Electric Vehicle Using Fuzzy Logic." Applied Computational Intelligence and Soft Computing 2018 (November 5, 2018): 1–9. http://dx.doi.org/10.1155/2018/2846748.

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The technology of power electronic systems has diversified into industrial, commercial, and residential areas. Developing a strategy to improve the performance of the electrical energy of an electric vehicle (EV) requires an analysis of the model that describes it. EVs are complex mechatronic systems described by nonlinear models and, therefore, its study is not an easy task. It can improve the performance of a battery bank by creating new batteries that allow for greater storage or by developing a management energy system. This article shows the development of a power supply management system
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Al-Zabidi, Ayoub, Ateekh Ur Rehman, and Mohammed Alkahtani. "An Approach to Assess Sustainable Supply Chain Agility for a Manufacturing Organization." Sustainability 13, no. 4 (2021): 1752. http://dx.doi.org/10.3390/su13041752.

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Worldwide business organizations realize that agility of sustainable supply-chain is a requisite need for survival in a dynamic, competitive, and unpredictable market. The contribution of this research is to explore and evaluate sustainable agility in supply chains for a dairy manufacturing organization located in Saudi Arabia. Other contributions of this research are to update the literature about the different factors contributing to achieve agile supply chain, propose conceptual framework and assessment approach incorporating the relationships between sustainable supply-chain capabilities,
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Richey, R. Glenn, Chadwick B. Hilton, Michael G. Harvey, Lauren Skinner Beitelspacher, Mert Tokman, and Miriam Moeller. "Aligning operant resources for global performance: An assessment of supply chain human resource management." Journal of Management & Organization 17, no. 3 (2011): 364–82. http://dx.doi.org/10.1017/s1833367200001528.

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AbstractPurpose:The intent of the paper is to develop the service marketing logic (S-D logic) strategy that is centered on service as a means to differentiate global strategy from those of competitors. The context of the paper is to examine S-D logic in global supply chains. Design/Methodology:The paper is a theory driven conceptual piece.Findings:Globalization emphasizes complex interconnected systems, while S-D logic emphasizes the importance of leveraging operant resources in order to achieve sustainable competitive advantage. Both S-D logic and globalization apply in the supply chain conte
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Richey, R. Glenn, Chadwick B. Hilton, Michael G. Harvey, Lauren Skinner Beitelspacher, Mert Tokman, and Miriam Moeller. "Aligning operant resources for global performance: An assessment of supply chain human resource management." Journal of Management & Organization 17, no. 3 (2011): 364–82. http://dx.doi.org/10.5172/jmo.2011.17.3.364.

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AbstractPurpose:The intent of the paper is to develop the service marketing logic (S-D logic) strategy that is centered on service as a means to differentiate global strategy from those of competitors. The context of the paper is to examine S-D logic in global supply chains. Design/Methodology:The paper is a theory driven conceptual piece.Findings:Globalization emphasizes complex interconnected systems, while S-D logic emphasizes the importance of leveraging operant resources in order to achieve sustainable competitive advantage. Both S-D logic and globalization apply in the supply chain conte
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Kamal, Esraa, Amal F. Abdel Abdel-Gawad, and Shereen Zaki. "Neutrosophic-based Machine Learning Techniques in the Context of Supply Chain Management: A Survey." International Journal of Neutrosophic Science 21, no. 2 (2023): 142–60. http://dx.doi.org/10.54216/ijns.210213.

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Supply Chain Management (SCM) plays a critical role in the success of any business organization. Individuals involved in business activities often have to make decisions regarding different aspects of the supply chain, including planning, procurement, production, inventory management, transportation, distribution, and customer relationship management. The combination of neutrosophic logic and machine learning has gained significant attention in the field of SCM as a means to tackle uncertainties and improve decision-making. This paper highlights the potential benefits and applications of integ
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Wang, Yuelong, and Weiqing Wang. "Research on the Control Strategy of Urban Integrated Energy Systems Containing the Fuel Cell." Processes 11, no. 5 (2023): 1584. http://dx.doi.org/10.3390/pr11051584.

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High efficiency is one of the many benefits of this novel kind of energy; clean and pollution free fuel cells have attracted the attention of many experts and scholars. The efficient use of fuel cells will certainly become the mainstay of energy transformation and environmental protection. However, fuel cells have low power density, soft electrical output characteristics, and significantly delayed response to sudden load changes. When fuel cells are used as power supply energy alone, the output voltage fluctuates greatly, and the power supply reliability could be higher. To increase the fuel c
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Pinto, Constâncio António, José Torres Farinha, Hugo Raposo, and Diego Galar. "Stochastic versus Fuzzy Models—A Discussion Centered on the Reliability of an Electrical Power Supply System in a Large European Hospital." Energies 15, no. 3 (2022): 1024. http://dx.doi.org/10.3390/en15031024.

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This paper discusses the Reliability, Availability, Maintainability, and Safety (RAMS) of an electrical power supply system in a large European hospital. The primary approach is based on fuzzy logic and Petri nets, using the CPNTools software to simulate and determine the most important modules of the system according to the Automatic Transfer Switch. Fuzzy Inference System is used to analyze and assess the reliability value. The stochastic versus fuzzy approach is also used to evaluate the reliability contribution of each system module. This case study aims to identify and analyze possible sy
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13

Cheng, Jun, Baitao Zhang, Haoyu Mao, and Sichuan Xu. "Modeling and Fuzzy Feedforward Control of Fuel Cell Air Supply System." World Electric Vehicle Journal 12, no. 4 (2021): 181. http://dx.doi.org/10.3390/wevj12040181.

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As an important part of the fuel cell subsystem, the air supply system of the proton exchange membrane fuel cell (PEMFC) plays an important role in improving the output performance and durability of fuel cells. It is necessary to control the oxygen excess ratio of fuel cell systems in the process of variable load, preventing the oxygen starvation in the loading process and excessive parasitic power consumption caused by oxygen saturation. At this time, the modeling of fuel cell systems and the development of control strategies are critical. The development of a control strategy depends on the
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Vasil'ev, Mikhail, Sergei Andreev, and Ivan Vasil'ev. "AIR SUPPLY REGULATOR FOR THE WORKING SPACE HEAT INSTALLATION BASED ON FUZZY LOGIC." Applied Mathematics and Control Sciences, no. 2 (June 30, 2020): 99–121. http://dx.doi.org/10.15593/2499-9873/2020.2.06.

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The combustion process in the working space of a heat installation is simulated. The static characteristic of the dependence of fuel consumption on air consumption in the conditions of stabilization of heat generated as a result of the combustion process is shown, therefore, the possibility of optimizing this process is proved. A block diagram, mathematical model and algorithm for calculating energy-saving fuzzy control of the combustion process in the working space of a thermal installation are developed. Combustion Membership functions of fuzzy sets for input linguistic variables are compile
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Sivakumar, Arunachalam, Muthamizhan Thiyagarajan, and Karthick Kanagarathinam. "Mitigation of supply current harmonics in fuzzy-logic based 3-phase induction motor." International Journal of Power Electronics and Drive Systems (IJPEDS) 14, no. 1 (2023): 266. http://dx.doi.org/10.11591/ijpeds.v14.i1.pp266-274.

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<span lang="EN-US">A parallel active power filter is employed to enrich the quality of power in the power grid with non-linear loads. The induction motor drive requires better performance in many applications. The overall performance enhancement is performed by mitigating the delivery of current harmonics and related warmness losses in an induction motor. In this paper, comprehensive performance evaluation of a 3-phase induction motor is mentioned with fuzzy logic controller-based shunt active filter (SAF), and the outcomes are compared with proportional integral (PI) and proportional de
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Sporleder, Thomas, and H. Christopher Peterson. "Intellectual capital, learning, and knowledge management in agrifood supply chains." Journal on Chain and Network Science 3, no. 2 (2003): 75–80. http://dx.doi.org/10.3920/jcns2003.x031.

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The dynamics of the food system are rapidly evolving so that intangible assets are relatively more important than tangible assets. This evolving shift in the basis of rivalry among firms puts increasing demands on corporate strategy. A future challenge for agrifood firms is to embrace strategy that includes, at least conceptually, knowledge as a strategic asset of a firm. Knowledge and its management are emerging in contemporary thought as a potential source of sustainable competitive advantage. This analysis begins by examining the next evolutionary phase in supply chain integration as a lear
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Jumanov, Isroil, Sunatillo Kholmonov, and Olimjon Djumanov. "Improving the Accuracy of Identification of Non-Stationary Objects Based on the Regulation of Model Variables." E3S Web of Conferences 377 (2023): 02005. http://dx.doi.org/10.1051/e3sconf/202337702005.

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Researched and developed mechanisms for optimizing the identification of random time series based on mechanisms for searching for unknown knowledge, hidden properties, patterns, relationships, features of non-stationary objects under the condition of limited a priori information, uncertainty, non-stationary processes. A generalized model for optimizing the identification of RTS based on the use of neural networks, neuro-fuzzy networks of dynamic models, as well as fuzzy logic algorithms is implemented. Instruments for data reliability control are obtained based on statistical, dynamic, intelli
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Bounab, A., A. Chaiba, and S. Belkacem. "Evaluation of the High Performance Indirect Field Oriented Controlled Dual Induction Motor Drive Fed by a Single Inverter using Type-2 Fuzzy Logic Control." Engineering, Technology & Applied Science Research 10, no. 5 (2020): 6301–8. http://dx.doi.org/10.48084/etasr.3799.

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In this paper, a high-performance indirect field-oriented controlled dual Induction Motor (IM) drive fed by a single inverter using type-2 fuzzy logic control will be presented. At first, the mathematical model of the IM is implemented in the d-q reference frame. Then, the speed control of the Dual Induction Motor (DIM) operating in parallel configuration with Indirect Field Oriented Control (IFOC) using PI and type-2 Fuzzy Logic Controller (T2-FLC) will be presented. For the control of this system, a DC supply and a Space Vector Pulse Width Modulation (SVPWM) voltage source inverter are intro
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Abror, Gezaq, Rusminto Tjatur Widodo, and M. Udin Harun Al Rasyid. "Dynamic Sleep Scheduling on Air Pollution Levels Monitoring with Wireless Sensor Network." EMITTER International Journal of Engineering Technology 5, no. 2 (2018): 209–33. http://dx.doi.org/10.24003/emitter.v5i2.185.

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Wireless Sensor Network (WSN) can be applied for Air Pollution Level Monitoring System that have been determined by the Environmental Impact Management Agency which is PM10, SO2, O3, NO2 and CO. In WSN, node system is constrained to a limited power supply, so that the node system has a lifetime. To doing lifetime maximization, power management scheme is required and sensor nodes should use energy efficiently. This paper proposes dynamic sleep scheduling using Time Category-Fuzzy Logic (Time-Fuzzy) Scheduling as a reference for calculating time interval for sleep and activated node system to s
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N. Madu, Christian, and Chu-Hua Kuei. "Disaster relief supply chain quality management (DRSCQM)." International Journal of Quality & Reliability Management 31, no. 9 (2014): 1052–67. http://dx.doi.org/10.1108/ijqrm-08-2013-0136.

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Purpose – The purpose of this paper is to develop a framework for disaster relief supply chain quality management (DRSCQM). Design/methodology/approach – This paper introduces a structured approach to making decisions in the following areas: system foundation, system constraints, initial sudden natural disaster encounter point(s), the intensity of disaster, the efficacy of the disaster relief supply chain systems, and post-disaster relief management. Findings – The context-intervention-mechanism-outcome logic provides guidelines for facilitating Lean Six Sigma to eliminate wastes and improve t
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Chakravorty, J., G. Sharma, and V. Bhatia. "Analysis of a DVR with Molten Carbonate Fuel Cell and Fuzzy Logic Control." Engineering, Technology & Applied Science Research 8, no. 2 (2018): 2673–79. http://dx.doi.org/10.48084/etasr.1849.

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As power demand constantly (and rapidly) increases and with the introduction of many sophisticated electronic devices, power quality issues are becoming a major problem for the power sector. In this context, issues of power quality, voltage swells and sags have become rather common. Custom power devices are generally used to solve this problem. A dynamic voltage restorer (DVR) is the most efficient and effective modern custom power device used in power distribution networks. In this paper a new DVR model is presented. The proposed DVR has a molten carbonate fuel cell (MCFC) as its DC source of
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Vyas, Garima, and Shripati Vyas. "DEVELOPMENT OF INTELLIGENT CONTROLLER FOR POWER RIPPLE MITIGATION OF DFIG BASED WIND ENERGY SYSTEM." International Journal of Technical Research & Science 7, no. 09 (2022): 6–11. http://dx.doi.org/10.30780/ijtrs.v07.i09.002.

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This study offers an adaptive neuro-fuzzy controller (NFC) for a wind energy conversion system (WECS) based on a doubly fed induction generator (DFIG) that may run in standalone mode. The adaptive- network-based fuzzy inference system (ANFIS) architecture is the foundation upon which the NFC is built since it offers the singular benefit of rapid convergence while integrating the resilience of fuzzy logic and flexibility of neural network algorithm. The load side converter (LSC) control of ANFIS is intended for the independent operation of DFIG-WECS. By keeping output voltage consistent, the su
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Zheng, Jie, Ling Wang, Jing-fang Chen, et al. "Dynamic multi-objective balancing for online food delivery via fuzzy logic system-based supply–demand relationship identification." Computers & Industrial Engineering 172 (October 2022): 108609. http://dx.doi.org/10.1016/j.cie.2022.108609.

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Chen, Shan, Yuelin Duan, Jiafu Su, and Junbo Tuo. "Differential Strategies of Continuous Agri-Product Supply Chain Considering Consumer Perception of Eco-Quality." Axioms 12, no. 2 (2023): 158. http://dx.doi.org/10.3390/axioms12020158.

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Considering the influence of the consumers’ perception of eco-quality (CPQ) on the dynamic strategies of the continuous agri-product supply chain, the paper examines a two-stage agri-product supply chain composed of a supplier and a retailer, where the supplier invests in eco-quality improvement and the retailer invests in advertising. Taking the CPQ, eco-quality and goodwill as ternary state variables, the paper formulates joint decision-making models of a continuous agri-product supply chain based on differential game theory. The paper has analyzed equilibrium strategies in decentralized and
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Dietrich, Fabian, Louis Louw, and Daniel Palm. "Blockchain-Based Traceability Architecture for Mapping Object-Related Supply Chain Events." Sensors 23, no. 3 (2023): 1410. http://dx.doi.org/10.3390/s23031410.

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Supply chains have evolved into dynamic, interconnected supply networks, which increases the complexity of achieving end-to-end traceability of object flows and their experienced events. With its capability of ensuring a secure, transparent, and immutable environment without relying on a trusted third party, the emerging blockchain technology shows strong potential to enable end-to-end traceability in such complex multitiered supply networks. This paper aims to overcome the limitations of existing blockchain-based traceability architectures regarding their object-related event mapping ability,
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Yin, Peng, Jinzhou Chen, and Hongwen He. "Control of Oxygen Excess Ratio for a PEMFC Air Supply System by Intelligent PID Methods." Sustainability 15, no. 11 (2023): 8500. http://dx.doi.org/10.3390/su15118500.

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The hydrogen fuel cell is a quite promising green device, which could be applied in extensive fields. However, as a complex nonlinear system involving a number of subsystems, the fuel cell system requires multiple variables to be effectively controlled. Oxygen excess ratio (OER) is the key indicator to be controlled to avoid oxygen starvation, which may result in severe performance degradation and life shortage of the fuel cell stack. In this paper, a nonlinear air supply system model integrated with the fuel cell stack voltage model is first built, based on physical laws and empirical data; t
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Ye, Ying, and Kwok Hung Lau. "Designing a demand chain management framework under dynamic uncertainty." Asia Pacific Journal of Marketing and Logistics 30, no. 1 (2018): 198–234. http://dx.doi.org/10.1108/apjml-03-2017-0042.

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Purpose The purpose of this paper is to put forward a demand chain management (DCM) framework underpinned by the alignment theory and applies it to investigate the fashion apparel (FA) industry in China under the impacts of the latest economic transition. Design/methodology/approach An exploratory multiple case study methodology involving five Chinese FA firms, each with a different business model and ownership type, was employed. Semi-structured interviews, onsite observations and review of company documents were conducted to collect information for analysis. Findings Using a conceptual DCM f
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Espinosa, Jennifer A., Donna Davis, James Stock, and Lisa Monahan. "Exploring the processing of product returns from a complex adaptive system perspective." International Journal of Logistics Management 30, no. 3 (2019): 699–722. http://dx.doi.org/10.1108/ijlm-08-2018-0216.

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Purpose The purpose of this paper is to explore the processing of product returns at five case companies using a complex adaptive systems (CAS) logic to identify agent interactions, organization, schema, learning and the emergence of adaptations in the reverse supply chain. Design/methodology/approach Using a multiple-case study design, this research applies abductive reasoning to examine data from in-depth, semi-structured interviews and direct researcher observations collected during site visits at case companies. Findings Costly or high-risk returns may require agents to specialize the dept
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Orji, Ifeyinwa Juliet, and Sun Wei. "Dynamic modeling of sustainable operation in green manufacturing environment." Journal of Manufacturing Technology Management 26, no. 8 (2015): 1201–17. http://dx.doi.org/10.1108/jmtm-11-2014-0120.

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Purpose – Globally, supply chains compete in a complex and rapidly changing environment. Hence, sustainable supplier selection has become a decisive variable in the firm’s financial success. This requires reliable tools and techniques to enhance understanding on how supplier behavior evolves with time and to select the best sustainable supplier. System dynamics (SD) is an approach to investigate the dynamic behavior in which the system alterations correspond to the system variable changes. Fuzzy logic usually solves the challenges of imprecise data and ambiguous human judgment. The paper aims
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R, Thenmozhi, Sharmeela C, Natarajan P, and Velraj R. "Fuzzy Logic Controller Based Bridgeless Isolated Interleaved Zeta Converter for LED Lamp Driver Application." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 2 (2016): 509. http://dx.doi.org/10.11591/ijpeds.v7.i2.pp509-520.

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In recent times, High-Brightness Light Emitting Diodes (HB-LEDs) are developing rapidly and it is confirmed to be the future development in lighting not only because of their high efficiency and high reliability, however also because of their other exceptional features: chromatic variety, shock and vibration resistance, etc. In this paper, a Bridgeless (BL) Isolated Interleaved Zeta Converter is proposed for the purpose of reducing the diode failures or losses, the value of output ripples also gets decreased. The proposed BL isolated interleaved zeta converter operating in Discontinuous Conduc
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Awadalla, Medhat. "Processor Speed Control for Power Reduction of Real-Time Systems." International Journal of Electrical and Computer Engineering (IJECE) 5, no. 4 (2015): 701. http://dx.doi.org/10.11591/ijece.v5i4.pp701-713.

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Reducing energy consumption is a critical issue in the design of battery-powered real time systems to prolong battery life. With dynamic voltage scaling (DVS) processors, energy consumption can be reduced efficiently by making appropriate decisions on the processor speed/voltage during the scheduling of real time tasks. Scheduling decision is usually based on parameters which are assumed to be crisp. However, in many circumstances the values of these parameters are vague. The vagueness of parameters suggests that to develop a fuzzy logic approach to reduce energy consumption by determining the
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Slimani, Abdeldjalil, Mohammed Nacer Tanjaoui, Abdelkader Boutadara, et al. "A PV-Active Power Filter Interface Scheme for Three Phase Balanced System." International Journal of Engineering Research in Africa 46 (January 2020): 125–45. http://dx.doi.org/10.4028/www.scientific.net/jera.46.125.

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This paper presents a modified hybrid Controller based on instantaneous power-fuzzy controller (IPFLC) for a shunt active power filter (SAPF). The current produced by the AC source is polluted by harmonics injected by the non-linear loads. The supply system requires filtering by suppressing harmonic currents to improve power quality at interface bus. The filtering system consists of an LC filter and a SAPF. The proposed IPFL Controller for the SAPF is based on a combination of the p-q instantaneous power and the fuzzy logic strategy. In this part, two cases are studied, first the active filter
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Goggi Kirshna Sanyasi Rao and P.Murari. "Mitigation of Harmonics in Three - Phase Three - Wire System by using Fuzzy Logic Controlled Shunt Active Filters." November 2020 6, no. 11 (2020): 87–91. http://dx.doi.org/10.46501/ijmtst061115.

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This paper shows the method of improving the power quality using shunt active power filter. In order to protect the supply system from current harmonics, we have to use the active power filters. These are used to compensate the reactive power compensation, but the performance of active power filters are based on various control strategies. This paper presents the complete examination to estimate the working of SHAF for generating the current references under steady and transient for balanced, unbalanced and non-sinusoidal conditions by using PI controller. The P-Q theory and synchronous refere
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Mohamed, Rachedi, and Bouanane Abdelkrim. "Hybrid controller strategy for optimization of cumulated thermal stresses, induced in X-rays tube for medical use." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 5 (2019): 3944. http://dx.doi.org/10.11591/ijece.v9i5.pp3944-3955.

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This work presents a new control strategy of the power supply, in favor of equipment intended for the medical use. Several research investigations have been reserved for the service of this supply type, but there are still some disadvantages, which have challenged their high performance in the practical side, in particular the problems which concern the weight, the size and especially, the efficiency of these installations and this, on the cost side, energy balance, and lifetime of this equipment. A control technique is presented to overcome these constraints; its principle is based on the ded
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Rawat, Swati, Bhola Jha, Manoj Kumar Panda, and Jyotshana Kanti. "Interval Type-2 Fuzzy Logic Control-Based Frequency Control of Hybrid Power System Using DMGS of PI Controller." Applied Sciences 11, no. 21 (2021): 10217. http://dx.doi.org/10.3390/app112110217.

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The load frequency control of a microgrid is one of the emerging areas due to the changes in demand and supply in power system. So the controllers’ implementation must be changed accordingly. This paper proposes an interval type-2 fuzzy logic-based, dual-mode gain scheduling (DMGS) of the proportional and integral controller in which the gains of the PI controller werescheduled through the dynamic selector. This proposed controller was implemented ina hybrid microgrid power system in which nonconventional energy sources wereadded to each area of the conventional power plant, which madethe syst
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Gopal, Vijayshree, and Sumathi Srinivasan. "Power quality improvement in distributed generation system using intelligent control methods." Indonesian Journal of Electrical Engineering and Computer Science 32, no. 1 (2023): 33. http://dx.doi.org/10.11591/ijeecs.v32.i1.pp33-42.

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Hybrid <span>electric power generation and its integration with the grid to supply consumer demand is main focus of this paper. The use of nonlinear load and advanced power electronic equipment-based devices at the consumer end introduces power quality issues in the power system network in terms of voltage and current. This paper explains the design of a control algorithm for a unified power quality conditioner used for mitigating both voltage and current-based power quality issues. The dynamic voltage restorer of unified power quality controller (UPQC) is designed with a unit vector con
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Ayat, Y., A. E. Badoud, S. Mekhilef, and S. Gassab. "Energy management based on a fuzzy controller of a photovoltaic/fuel cell/Li-ion battery/supercapacitor for unpredictable, fluctuating, high-dynamic three-phase AC load." Electrical Engineering & Electromechanics, no. 3 (April 23, 2023): 66–75. http://dx.doi.org/10.20998/2074-272x.2023.3.10.

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Introduction. Nowadays, environmental pollution becomes an urgent issue that undoubtedly influences the health of humans and other creatures living in the world. The growth of hydrogen energy increased 97.3 % and was forecast to remain the world’s largest source of green energy. It can be seen that hydrogen is one of the essential elements in the energy structure as well as has great potential to be widely used in the 21st century. Purpose. This paper aims to propose an energy management strategy based a fuzzy logic control, which includes a hybrid renewable energy sources system dedicated to
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Rao, Sivakavi Naga Venkata Bramareswara, Yellapragada Venkata Pavan Kumar, Darsy John Pradeep, et al. "Power Quality Improvement in Renewable-Energy-Based Microgrid Clusters Using Fuzzy Space Vector PWM Controlled Inverter." Sustainability 14, no. 8 (2022): 4663. http://dx.doi.org/10.3390/su14084663.

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An increased electricity demand and dynamic load changes are creating a huge burden on the modern utility grid, thereby affecting supply reliability and quality. It is thus crucial for modern power system researchers to focus on these aspects to reduce grid outages. High-quality power is always desired to run various businesses smoothly, but power-electronic-converter-based renewable energy integrated into the utility grid is the major source of power quality issues. Many solutions are constantly being invented, yet a continuous effort and new optimized solutions are encouraged to address thes
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El-Shahat, Adel, and Erhuvwu Ayisire. "Novel Electrical Modeling, Design and Comparative Control Techniques for Wireless Electric Vehicle Battery Charging." Electronics 10, no. 22 (2021): 2842. http://dx.doi.org/10.3390/electronics10222842.

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Dynamic wireless power systems are an effective way to supply electric vehicles (EVs) with the required power while moving and to overcome the problems of low mileage and extensive charging times. This paper targets modeling and control for future dynamic wireless charging using magnetic resonance coupling because of the latter’s efficiency. We present a 3D model of transmitter and receiver coils for EV charging with magnetic resonance wireless power developed using ANSYS Maxwell. This model was incorporated into the physical design of the magnetic resonance coupling using ANSYS Simplorer in o
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Hsueh, Sung-Lin, and Min-Ren Yan. "A Multimethodology Contractor Assessment Model for Facilitating Green Innovation: The View of Energy and Environmental Protection." Scientific World Journal 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/624340.

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The trends of the green supply chain are attributed to pressures from the environment and from customers. Green innovation is a practice for creating competitive advantage in sustainable development. To keep up with the changing business environment, the construction industry needs an appropriate assessment tool to examine the intrinsic and extrinsic effects regarding corporate competitive advantage. From the viewpoint of energy and environmental protection, this study combines four scientific methodologies to develop an assessment model for the green innovation of contractors. System dynamics
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N.V., Masalsky. "Synthesis of Low-Voltage Logic Gates on Surrounding Gate SOI CMOS Nanotransistors." Nano- i Mikrosistemnaya Tehnika 23, no. 2 (2021): 75–82. http://dx.doi.org/10.17587/nmst.23.75-82.

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We discuss the issues of synthesis of low-voltage logic gates on cylindrical surrounding gate SOI CMOS nanotransistors in the supply voltage range up to 0.8 V. In this transistor architecture, it becomes possible to more effectively control the charge in its working area, primarily due to its design parameters. It is also characterized by effective suppression of short-channel effects and a low capacitance value. This leads to a decrease in the level of power dissipation in combination with a reduction in the occupied area. TCAD models of n- and p-types nanotransistors have been developed. The
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42

Thuyen, Chau Minh. "Improved p-q Harmonic Detection Method for Hybrid Active Power Filter." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 5 (2018): 2910. http://dx.doi.org/10.11591/ijece.v8i5.pp2910-2919.

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<p>The accuratedetermination of the load harmonic current is one of the important factors, it decides to effect of harmonic filtering and reactive power compensation for Hybrid Active Power Filter. The p-q harmonic detection method has been widely used in determining the harmonic currents of Hybrid Active Power Filter. However, when using this method, the dynamic response of Hybrid Active Power Filter in the transient period will have a large transient time and overshoot whenever the load changes abruptly. Therefore, in this paper an improved p-q harmonic current detection method based o
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Kumar, Yellapragada Venkata Pavan, Sivakavi Naga Venkata Bramareswara Rao, Kottala Padma, et al. "Fuzzy Hysteresis Current Controller for Power Quality Enhancement in Renewable Energy Integrated Clusters." Sustainability 14, no. 8 (2022): 4851. http://dx.doi.org/10.3390/su14084851.

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Steady increase in electricity consumption, fossil fuel depletion, higher erection times of conventional plants, etc., are encouraging the use of more and more onsite renewable energy. However, due to the dynamic changes in environmental factors as well as the customer load, renewable energy generation is facing issues with reliability and quality of the supply. As a solution to all these factors, renewable energy integrated cluster microgrids are being formed globally in urban communities. However, their effectiveness in generating quality power depends on the power electronic converters that
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Xu, Wenxiang, Mengnan Liu, and Liyou Xu. "Simulation of multi-power composite electric tractor based on power fluctuation ratio." Journal of Physics: Conference Series 2125, no. 1 (2021): 012007. http://dx.doi.org/10.1088/1742-6596/2125/1/012007.

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Abstract All Combined with the characteristics of frequent abrupt load in the field operation of tractors, and aiming at the problems of single motor energy input and large fluctuation of battery state in the energy system of pure electric tractors, a power supply structure with multiple battery packs was proposed. A dynamic model considering real-time power and load fluctuation and a multi-power cooperative input model based on fuzzy control threshold logic rule based on power fluctuation ratio are established. Matlab and Simulink are used to simulate the model and compare it with the traditi
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Brailko, A. A., O. V. Gromov, and L. A. Druzhinin. "Digital technologies are the basis of digital economy of civil aviation airport refueling complexes." Civil Aviation High Technologies 23, no. 4 (2020): 20–32. http://dx.doi.org/10.26467/2079-0619-2020-23-4-20-32.

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The article analyzes the main information automated control systems for refueling complexes, based on this analysis, the problems of the airport ground handling functioning are identified, the main of which are the inefficiency of managing stochastic processes that occur in failure situations, as well as the lack of automated control systems for the level of purity of aviation fuel from mechanical impurities and water. The way to upgrade Groundstar Inform GmbH - a single integrated airport management system by increasing the capabilities of the system by adding new components is proposed. A so
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Roselind, J. Deepika, H. M. Naveen, and S.Yuvaraj. "Artificial Intelligence enabled Dynamic Bandwidth Allocation Optimization in IoT for improved QoS." International Journal of Scientific Methods in Intelligence Engineering Networks 01, no. 02 (2023): 33–43. http://dx.doi.org/10.58599/ijsmien.2023.1204.

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The Internet of Things (IoT) is a collection of intelligently connected devices that are connect to the internet. Every day, as technology advances, an IoT device outnumbers humans on the world. The Internet of Things (IoT) systems would connect not only physical users and devices, but also virtual networks and devices that have already been implemented in various scenarios using new networking, computing, and integrated system technologies. With the rapid advancement of technology, the number of devices involved grows rapidly. IoT systems have crucial issues in supplying sufficient bandwidth
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Guevara-Rivera, Edna, Roberto Osorno-Hinojosa, Victor Zaldivar-Carrillo, and Humberto Perez-Ortiz. "Dynamic simulation methodology for implementing circular economy: A new case study." Journal of Industrial Engineering and Management 14, no. 4 (2021): 850. http://dx.doi.org/10.3926/jiem.3609.

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Purpose: Circular economy (CE) principles have evolved in response to natural resource depletion as a set of guidelines for eliminating the linear take-use-dispose model of product consumption. The consequences of shifting from a linear to a circular supply chain are difficult to visualize in the long term. This study aims to design a methodology for building a simulation model to implement CE strategies in any small and medium-sized enterprise SME to prove policies before implementing them in the real world. This paper applied the methodology in a biological cycle case study: a confectionery
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Snoussi, Jamila, Seifeddine Ben Elghali, Mohamed Benbouzid, and Mohamed Mimouni. "Auto-Adaptive Filtering-Based Energy Management Strategy for Fuel Cell Hybrid Electric Vehicles." Energies 11, no. 8 (2018): 2118. http://dx.doi.org/10.3390/en11082118.

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The global need to solve pollution problems has conducted automotive engineers to promote the development and the use of electric vehicle technologies. This paper focuses on the fuel cell hybrid electric vehicle which uses a proton exchange membrane fuel cell as a main source associated to hybrid storage device: lithium ion battery and ultracapacitors. A common interest in such technology is to spread out the energy flow between its different sources in order to satisfy the power demand for any requested mission. However, the challenging task stills the optimization of this split to reduce hyd
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Obaze, Yolanda. "The transformative community-based humanitarian service ecosystem." Journal of Humanitarian Logistics and Supply Chain Management 9, no. 3 (2019): 410–37. http://dx.doi.org/10.1108/jhlscm-06-2018-0039.

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Purpose The purpose of this paper is to explore the humanitarian service management categories that influence long-term transformation within complex community-based service ecosystems. Design/methodology/approach This study utilizes mixed methods to present a dynamic model that provides insight into the complexities of supplying, distributing and transporting charitable resources to underserved communities. The interdisciplinary study draws on the theory of service-dominant logic and service science, presents critical elements of transformative service research and uses system dynamics approa
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Ramash Kumar, K. "FLC and PWM SMC for KY Boost Converter." Journal of Circuits, Systems and Computers 28, no. 11 (2019): 1950184. http://dx.doi.org/10.1142/s0218126619501846.

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This paper presents a design and implementation of fuzzy logic controller (FLC) plus PWM sliding mode controller (SMC) for 2nd order-d KY positive output voltage boost converter (KYPOVBC) operated in continuous inductor current mode (CICM). It is more suitable for steady power source in liquid crystal display (LCD), I-pad, CCTV camera, computer parts, light emitting diode (LED), renewable energy and industrial application. The 2nd order-d KYPOVBC always works in CICM and replica of synchronous rectification characteristics. The ON/OFF nature of the 2nd order-d KYPOVBC is nonlinear and their dy
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