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378 articles for “Constraint”
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An Overview of Energy Systems in Humanoid Robots
Abstract: The area of humanoid robots is an emerging topic in the world of robotic research owing to their usefulness in replacing humans in various tasks. The research and development of humanoid robots started almost 50 years ago and since then, there has been a huge progress in the related technologies. As the humanoid systems become capable of performing more and more complex tasks, the power requirement of humanoid robots increases. …
Published in Journal of Microelectronics and Solid State Devices · Vol. 7, Issue 3, 2020 · pp. 12–19 Read article
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Multi-objective Reactive Power Planning based on MNSGA II
Abstract: Abstract This paper presents an application of modified NSGA-II (MNSGA-II) to reactive power planning (RPP) problem by minimizing the total cost (which consist of sum of annual energy cost and the installation cost of additional reactive power sources) and the load bus voltage deviations. Voltage stability index is considered as an additional constraint in order to include the system stability into account. Reference Pareto-front is generated using covariance matrix adopted. …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 37–45 Read article
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Optimal Generation Rescheduling for Congestion Mitigation using New Variant of Derivative Free Optimization Method
Abstract: Proposed work describes the process of rescheduling active power generation to alleviate transmission congestion in a most economic manner considering all the system constraints. Most severe line outage has been considered as the congested line using LODF factor. The concept of GSF has been used for selection of generators to be rescheduled for congestion management. Time-Varying Acceleration Constant-Time-Varying Inertia Weight Particle Swarm Optimization (TVAC-TVIW PSO) based optimization algorithm has been …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 58–64 Read article
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A Comparative Study on Particle Swarm Optimization for Transmission Congestion Management
Abstract: This research aims to propose solution to the issue of transmission congestion management based on optimal generation rescheduling using different variants of particle swarm optimization (PSO). In deregulated electricity market era, congestion management plays an essential role to accommodate all transactions within reliable system operations. Intending to reduce the congestion cost, optimum numbers of generators are selected based on generator sensitivity factor (GSF) to perform active power generation rescheduling. The …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 86–93 Read article
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A New Approach for Modeling the Dynamics of Output Variables of a Spatially Distributed System
Abstract: This paper addresses the development of an average-value based model for the processing system having some peculiar physical constraints which prevent their process variables to have a steady and stable value. As a result, the maintenance of steady balance of the system will become tedious. The continuous observation of that process variable, fixation of its average value on real-time basis, and mathematical model development of above-average value as base factor …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 20–33 Read article
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Determination of the Optimal Generation Location using Particle Swarm Optimization
Abstract: This paper presents an optimization approach to determine the optimal location for installing a new generator in which the technical, economic and environmental aspects are all taken into consideration. The location that yields the minimum fuel costs, emission and system loss is considered as the optimal generation location. The formulated objective function and its constraints compose an optimization problem, which is solved using particle swarm optimization (PSO). The proposed PSO-based …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 34–44 Read article
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A New Approach for Optimal Rating and Location of Substations
Abstract: This paper is based upon the software developed using genetic algorithm for optimal location of Sub-station regarding its place and size. Developed method is applied on practical network and the results obtained. In this paper an attempt has been made to solve the problem of the distribution network and developing an appropriate plan to trace the optimal location for placing new substation. A GA program has been developed and implemented …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 2, 2013 · pp. 1–7 Read article
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Optimization of ED Problems of Interconnected Power System Using Particle Swarm Optimization
Abstract: This paper proposes an effective and useful evolutionary-based method to solve the economic load dispatch (ELD) problem. This paper introduces particle swarm optimization (PSO) technique for solving the economic dispatch (ED) problem in power system. ELD problem is really the solution of a large number of load flow problem with equality & inequality constraints. In this paper, a PSO technique for solving the ELD problem in power system is proposed. …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 1–8 Read article
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A Disaggregated Optimization Approach for Competitive Procurement of Energy and Operating Reserve
Abstract: In restructured environment, Ancillary Services (AS) plays a vital role, as they are required for reliable and secure operation of the power system. Operating Reserve (OR), as one of the main AS, is a capability of a power system to prevent any unexpected imbalances caused by generation, transmission or equipment outage has been considered in this work. The approach is based on disaggregated clearing of energy and OR, which can …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 33–41 Read article
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Real Time Stability Index for Angle Stability Assessment Using Synchrophasor Data
Abstract: The stress on the power transmission network has been increasing in recent time due to deregulated energy market, environmental constraints and limited investment in the transmission system. Hence, the power system is enforced to operate nearer to the stability limit and due to which it is required to estimate the system operating point as fast as possible with higher accuracy to maintain the system stability. The objective of this paper …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 65–75 Read article
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Reliability Optimization of Radial Distribution Systems Considering Failure Rate and Repair Time Earmarking using Languid Particle Swarm Optimization (LPSO)
Abstract: In this paper a methodology for reliability improvement of radial distribution system by establishing optimal values of repair times and failure rates is considered. Objective function related to failure rates and repair times is been designed. Constraints are taken based on customer and energy based indices. Languid Particle Swarm Optimization (LPSO) a variant of Particle Swarm Optimization (PSO) has been used as optimization technique. The method is implemented on radial …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 1, 2022 · pp. 16–21 Read article
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A Major apprehension of Carbon Capture and Sequestration (CCS) for extraction of residual oil & minimizing emission of Greenhouse Gas(GHG)
Abstract: This paper deals with the incorporation of carbon-di-oxide into the pressure depleted reservoir to increase the production of the reservoir as well as to inject the carbon-di-oxide in a depleted reservoir to reduce the GHG emissions into the atmosphere. It also considers about the disputes arising due to legal proceedings, technology framework, geological barriers, stakeholder indifferences, project economics and environmental constraints for accomplishment of a successful CCS project.
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 27–29 Read article
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Women’s Land Tenure Security in Sustainable Development
Abstract: Appropriate land ownership policy is critical issue in order for vast majority of population living in rural areas whose income is dependent on agricultural. For that land tenure security is momentous concern. Land tenure is Latin word, tenure, which means to hold. Thus, land tenure means a kind of system of land ownership or holding the land. The rules of the land tenure system define how property rights to land …
Published in Journal of Production Research & Management · Vol. 9, Issue 1, 2019 · pp. 21–30 Read article
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Purchase Intention of Online Consumers: A Study among the Online Consumers’ in Tamil Nadu
Abstract: Online purchase is one of the imperative trading methods worldwide. Consumers’ online purchase intention is based on several social-economic factors. Time constraint is one of the basic reasons for online purchases. People are satisfied with the products purchased online. Hence it is needed to understand the purchase intention of consumers when they prefer online. The present research aims to examine the factors influencing consumers’ online purchase intention among consumers in …
Published in Journal of Production Research & Management · Vol. 7, Issue 2, 2017 · pp. 34–41 Read article
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Heuristic Based Transportation Routing and Sizing
Abstract: Employee transportation is one of the most concerned issues and a part of HR policy in today’s work culture. Optimization of these routes and analysis of scenario needs to be done to leverage cost benefits for the organizations of today. Traditional studies focus on goods delivery and pickup, but employees are a totally different entity, which change the type of problem to be solved. As the entity to be considered …
Published in Journal of Production Research & Management · Vol. 5, Issue 3, 2015 · pp. 20–27 Read article
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Latest Research Trend of Optimization Techniques and Considerable Parameters in Wire Electrical Discharge Machining (WEDM): Review Article
Abstract: Wire electrical discharge machining (WEDM) is a non-conventional machining method with unique capabilities. WEDM offers a better alternative or sometimes the only alternative to produce complex shaped features and components of difficult-to-machine materials. In today’s highly competitive manufacturing industries, manufacturer’s ultimate goal is to produce high quality product with less time and cost constraint. To achieve these goals, one of the considerations is by optimizing the machining process parameters such …
Published in Journal of Production Research & Management · Vol. 6, Issue 2, 2016 · pp. 30–53 Read article
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A Case Study on Performance of Financial Institution in Funding SMEs and Challenges Ahead in India for SMEs
Abstract: Small and medium-size enterprises (SMEs) have long been recognized as one of the corner stones of a country’s development. It is thus, important to understand what contributes to their success as well as the difficulties they face. Surveys have shown that the lack of available financing from financial institutions is one of the biggest problems facing small businesses today. In this paper, we try to identify the aspects of obtaining …
Published in Journal of Production Research & Management · Vol. 6, Issue 2, 2016 · pp. 64–70 Read article
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SPICE Modeling of LDMOSFET Transistor
Abstract: AbstractHigh voltage integrated circuits, these days are the most viable alternatives to discrete circuits for various applications. The popular amongst them is the lateral double diffused MOS transistor (LDMOS). It is based on the lightly doped drain (LDD) concept. The constraint that occurred in modeling LDMOS is to minimize the on-resistance along with maintaining a high breakdown voltage. To achieve the objective, the help of RESURF (Reduced Surface Field) concept …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 1, 2016 · pp. 42–57 Read article
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Comparison of Conventional RCC Columns, Steel Columns and Composite Columns
Abstract: Worldwide, the steel industry is expanding almost everywhere. Compared to the USA, EU, and other developed nations, India uses less steel in the construction industry. Additionally, India's cities have some of the highest population densities per square kilometre, which limits horizontal construction growth and favours vertical development. Steel structures are more ductility and can undergo more deflections while concrete structures are larger and attracts more seismic weight. Hybrid construction combines …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 3, 2023 · pp. 35–44 Read article
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Digital Manufacturing Practices using 3D Printing in Indian Manufacturing Sector to Improve Productivity in Alignment with Industry 4.0
Abstract: Advancement in information technologies and intelligent production systems are being encouraged by the latest industrial revolution, known as Industry 4.0. In this new movement, additive manufacturing, or AM, is seen as a necessary component. A thorough analysis of AM technologies and their contributions to Industry 4.0 are provided in this publication. The three primary areas of AM that are the subject of this review are process development, design consideration improvements, …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 38–47 Read article