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1940 articles for “optimality” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Production of Jatropha curcas L. Seed Oil DMC-Js-BioDs by Optimized Dimethyl Carbonate Using Potassium Hydroxide as Catalyst
Abstract: AbstractThe use of Jatropha curcus L. seed oil as the feedstock for biodiesel (DMC-Js-BioDs) production has observed growing interest because it is a non-edible oil. In this study, the production of DMC-Js-BioDs from J. curcas seed oil with dimethyl carbonate (DMC) as the solvent was performed. The reaction was conducted in the presence of KOH as a catalyst to investigate the optimum conditions and study the effects of the variables …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 2, 2017 · pp. 56–63 Read article
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Prediction of Various Optimal Solutions for Desirable Performance Parameter of Non-edible Oils-based Biodiesel
Abstract: The use of energy has expanded a ton by virtue of the modification in the way of life with the progression of masses. This consistent expansion of energy request began the states of the fossil oil deficiency, regular effects for example nursery impact, an Earth-wide temperature boost and so on. Oil based products are restricted assets of energy; from now on, it is must to look for an elective asset …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 1, 2024 · pp. 25–29 Read article
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ANALYSIS AND OPTIMIZATION OF SINGLE CYLINDER IC ENGINE CONNECTING ROD
Abstract: Connecting rod is an intermediate link between the piston and the crank shaft, which is responsible to transmit reciprocating motion of the piston to rotary motion of the crank shaft. These connecting rods are made of Carbon steel, because of its strength, durability, and lower cost. However, steel with its high mass density exerts excessive stresses on the crankshaft of a high speed engine. Recently Aluminium Alloys have been taken …
Published in Journal of Catalyst & Catalysis · Vol. 5, Issue 2, 2018 · pp. 26–33 Read article
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LQR based Optimal Verses Classical PID Controller for the Longitudinal Dynamics of an Aircraft
Abstract: The main objective of the present work is to investigate the design aspect of optimal controller for the pitch control of an aircraft. In this paper Linear Quadratic Regulator (LQR) for optimal stability analysis of closed loop attitude control system of an aircraft is presented. The result of proposed controller is compared with classical proportional integral derivative (PID) controller. It is observed that the optimal control technique outperforms the PID …
Published in Journal of Control & Instrumentation · Vol. 4, Issue 2, 2013 · pp. 15–23 Read article
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Impact of Xilinx ISE Design Suite’s MAP and Generate Programming Optimization Settings on FPGAs Bitstream Size
Abstract: AbstractIn SRAM based FPGA configuration bitstream resides in configuration memory. Bitstream contains information of CLBs, IOBs and logic interconnects. With increase in complexity of design, size of bitstream increases. Hence if size of bitstream is reduced, less configuration memory required. CAD tools used in FPGA based design has different settings which affects logic capacity, performance speed, resource utilization, power consumption, area required for placing designs etc. In this paper, we …
Published in Journal of Electronic Design Technology · Vol. 9, Issue 1, 2018 · pp. 1–8 Read article
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Genetic Algorithm: an Optimization Tool for Real World Problems
Abstract: AbstractThe main goal of this research work is to give the lesson on genetic algorithm with the help of evaluation concept of our environment. Genetic algorithm is a type of optimization algorithm, means it is used to find the optimal solution to a given computational problem that maximizes or minimizes a function. Genetic algorithms represent a branch of the field of study called evolutionary computation, in which they imitate the …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 3, 2019 · pp. 17–21 Read article
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A Review on Transformer Design and Innovative Aspects of Optimization
Abstract: Transformer is the most costly and important component of power system. It is more than 100 years old technology. Technology has not changed drastically but the challenges are continuous increase in size and rating, competition in global market, accurate prediction of performance parameters, updating of design baseline and many more. Transformer design optimization (TDO) is a complex task in which designer have to ensure that the imposed specifications are met, …
Published in Journal of Instrumentation Technology & Innovations · Vol. 6, Issue 1, 2016 · pp. 10–22 Read article
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Response Surface Approach of Optimization to study the Effects of Drilling Parameters in AISI-304 Stainless Steel
Abstract: The effect of cutting parameters specifically cutting speed, feed rate, drill depth and drill diameter during drilling of AISI-304 stainless steel material on automatic radial drilling machine (RM-62) at different level presents in this work. All the cutting parameters are modeled using response surface methodology (RSM). The impact of cutting speed, feed rate, drill depth and drill diameter on the machining time, average roughness and peak roughness is examined. Finally, …
Published in Journal of Mechatronics and Automation · Vol. 4, Issue 2, 2017 · pp. 21–32 Read article
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A Technical Review on Parametric Optimization of Welding Dissimilar Metals
Abstract: As we know that the use of stainless steel in different industrial sectors such as oil and gas, aerospace, automobile, power plant, manufacturing, etc. is high due to their higher tensile strength and toughness etc. Therefore need has arrived to think out in the merger of stainless steel with other metal which are compatible and stronger such as stainless steel. In this paper, we have studied the different technical aspects …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 3, 2017 · pp. 43–50 Read article
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Evaluation of Optimal Parameters for Wire EDM Machine on En45A Alloy Steel using Taguchi and Grey Relational Analysis (GRA) Method
Abstract: The core goal of this research paper is to evaluate process parameters of wire electrical discharging machining and to find out the best parameter among the multiple responses given by machine. Wire cut machine is very accurate and precise machine which is actually manufactured to cut those material which have high strength, toughness, and hardness. This machine works on melting property; here spark is generated between the work piece and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 1, 2016 · pp. 11–21 Read article
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Parametric Optimization of CNC Wire Cut EDM for Oil Harden Non-Shrinking Steel: A Comparative Study
Abstract: There has been a rapid growth in the development of harder and difficult to machine metals and newly developed alloys. Conventional machining methods are not suitable and uneconomical for such materials, thus development starts for newer concepts in metal machining. It thus plays a major role in the machining of dies, tools, etc., made of tungsten carbide, hard steel, alloys used in the aeronautics industry. It is a great concern …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 3, 2015 · pp. 44–58 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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Optimal Placement and Location of Phasor Measurement Unit Considering Bus Voltage Using Genetic Algorithm
Abstract: This paper presents a procedure by which new PMU locations can be symmetrically determined in order to render an observable system. Monitoring and supervision of power systems are provided by the control centre, whose role is the design, coordination and network management. In this paper, an attempt has been made to control technique based on the implantation of measurement units at the network buses. A proposed methodology makes the system …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 74–84 Read article
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Power Losses Reduced by using Particle Swarm Optimization (PSO)
Abstract: Due to the increasing price of electricity, it is very critical to accomplish an optimal decrease in active (real) losses throughout power transmission. The lowering of these failures is essential so because values of leakage losses in coastal lines are quite strong and result in significant transverse active losses. Load unbalancing is the biggest problem of the electricity network and SVC is stronger able to correct the malfunction of the …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 1, 2021 · pp. 6–19 Read article
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Modeling and Optimization of Continuous Gas Lift Performance in Libya Oil Field
Abstract: With a massive number of oil and gas field becoming mature, the upstream engineering is facing new challenge. How to develop , or at least steady production while keeping obtainable reserves at their existing level, As matter of fact unstable production in gas lift wells. The Key issues most operators encounter with oil fields are the effects of high water production that may lead to wells died and decrease in …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 40–48 Read article
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Parametric optimization of end milling operation on EN24 – A Mapping Review
Abstract: The milling of EN24 hardened steels has been applied in many cases in production. The purpose of this review is to study the effect of influence of milling operation parameters such as cutting speed, feed and depth of cut on the material removal rate and surface roughness in milling of EN24 steel. The effect of milling operation parameters are evaluated for minimum surface roughness and maximizing material removal rate. Maximum …
Published in Journal of Production Research & Management · Vol. 8, Issue 3, 2018 · pp. 42–48 Read article
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Decision-making Under Certainty: a Linear Programming Approach towards Optimal Product Mix Decisions—a Case Study in Amhara Pipe Factory
Abstract: Manufacturing organizations highly benefit from proper allocation of resources (working capital, raw materials, labor power, working times, machinery, etc.) to optimize a product mix which is useful for profit maximization. The main purpose of this study is to critically examine the products produced in Amhara Pipe Factory to certainly decide which of these products must be given more attention or produced more in order to maximize the profit. The products …
Published in Journal of Production Research & Management · Vol. 9, Issue 3, 2019 · pp. 15–26 Read article
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Pipeline Integrity Optimal Maintenance Techniques and Its Reliability
Abstract: This study is aimed at determining the optimal maintenance model for utilizing both preventive and corrective costs control system. It was assumed that operating conditions and pipeline diameters were uniform following the cumulated results and computational analysis. The research included an estimation which shows that the average cost for the installation and of course the maintenance of a healthy and operational pipeline is within $1,989,992 per km. Considering the failure …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 1, 2022 · pp. 23–29 Read article
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Ant-Optimized Scheduling for Efficient-Energy Coverage in WSNs
Abstract: AbstractIn Wireless Sensor Network, Sensors are the primary units but the nature of sensors are not inheritable and because of this limitation there is dependably an indispensable concern while in transit to use confined vitality successfully. So, Efficient-Energy Coverage (EEC) settlement is an important concern for Wireless Sensor Network (WSN). The solution of this problem is scheduling of the different activities of the devices in the network and helps to …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 3, 2018 · pp. 6–11 Read article
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Optimal Size and Location of Capacitor Bank for Reactive Power Compensation Using Genetic Algorithm
Abstract: Power system operators are always faced with the dilemma of how to reduce the transmission loss. There are many ways to attain this target. In this thesis, new method for optimal capacitor placement for transmission loss minimization is planned. Proposed methods are based on the optimal capacitor placement formulations, which allow the cost benefit analysis and multi-objective optimization consideration of reactive power support investment. For better design of proposed methods, …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 2, 2019 · pp. 28–34 Read article