Showing papers in "Cogent engineering in 2018"
TL;DR: This paper presents the Pareto and scalarization method, which creates multi-objective functions made into a single solution using weights, and the solution is a performance indicators component that forms a scalar function which is incorporated in the fitness function.
Abstract: Several reviews have been made regarding the methods and application of multi-objective optimization (MOO). There are two methods of MOO that do not require complicated mathematical equations, so t...
375 citations
TL;DR: The current thrust for materials which are environmental friendly and biodegradable made from polymer matrix composites had become an important topic for academic and industrial research as discussed by the authors, and the current thrust was for materials that are environmentally friendly and bio-friendly made from polymeric materials.
Abstract: The study of polymer matrix composites had become an important topic for academic and industrial research. The current thrust for materials which are environmental friendly and biodegradable made r...
237 citations
TL;DR: Compared to the Hata, COST 231, ECC-33, and Egli models, the developed ANN model performed better in terms of prediction accuracy and generalization ability.
Abstract: In this paper, an optimal model is developed for path loss predictions using the Feed-Forward Neural Network (FFNN) algorithm. Drive test measurements were carried out in Canaanland Ota, Nigeria an...
69 citations
TL;DR: The proposed computer aided diagnosis system for automated detection and diagnosis of breast cancer in digital mammograms can be used as a reference reader for double reading the mammograms and thus assisting the radiologists in clinical diagnosis by indicating suspicious abnormalities, which can improve the diagnostic performance of the radiologist.
Abstract: Early stage breast cancer detection can reduce death rates in long term. Mammography is the current standard screening tool available for breast cancer detection, but it is found to have high false...
45 citations
TL;DR: An improved PSO technique with a constraint treatment mechanism called dynamic search space squeezing strategy is devised to accelerate the optimization process in the PSO algorithm to improve the dynamics of power system.
Abstract: This paper presents the automatic generation control of two unequal areas with diverse power generation sources like thermal, hydro, wind and diesel power plants. Three evolutionary optimization te...
41 citations
TL;DR: In this paper, the sustainable benefits of waste glass usage in concrete include the possibility of reducing solid waste and greenhouse gas emission and preservation of raw materials, and the authors examined the benefits of using waste glass in concrete.
Abstract: The sustainable benefits of waste glass usage in concrete include the possibility of reducing solid waste and greenhouse gas emission and preservation of raw materials. This current study examines ...
39 citations
TL;DR: In this paper, the peristaltic transport of a Herschel-Bulkley fluid in an axisymmetric tube was investigated and the governing equations were solved using the long wavelength and small Reynolds numbe...
Abstract: The present article investigates the peristaltic transport of a Herschel–Bulkley fluid in an axisymmetric tube. The governing equations are solved using the long wavelength and small Reynolds numbe...
38 citations
TL;DR: The increasing demand to provide clean water for drinking has brought to the fore the importance of seeking other materials with the ability or combined effect with other materials to purify water as discussed by the authors.
Abstract: The increasing demand to provide clean water for drinking has brought to the fore the importance of seeking other materials with the ability or combined effect with other materials to purify water....
34 citations
TL;DR: In this article, the authors focused on the modelling and simulation of a 50 kW concentrated solar power (CSP) plant located in Crowley, Louisiana using system advisor model (SAM).
Abstract: This paper is focused on the modelling and simulation of a 50 kW concentrated solar power (CSP) plant located in Crowley, Louisiana The model was developed using system advisor model (SAM) The ob
31 citations
TL;DR: Externally bonded fiber reinforced polymer (FRP) has been proven to be a successful strengthening technique for deteriorated and aged structures as discussed by the authors, and an extensive number of stuctures have been constructed using FRP.
Abstract: Externally bonded fibre reinforced polymer (FRP) has been proven to be a successful strengthening technique for deteriorated and aged structures. In the last two decades, an extensive number of stu...
30 citations
TL;DR: An Infrastructure Vulnerability Index for drinking water distribution system is proposed with the aim of providing managers with a tool to assess system vulnerability to possible terrorist acts and to support the investments choice aimed at increasing security.
Abstract: Drinking water supply systems are vulnerable targets for which counter-terrorism measures have been raised worldwide. The threat of terrorist attacks to these systems has led to the need for the in...
TL;DR: Cement-based grouts have been used successfully to repair cracks in many concrete structures, to ensure the stability of slopes or retaining walls and to reinforce soils or rock foundations as discussed by the authors.
Abstract: Cement-based grouts have been used successfully to repair cracks in many concrete structures, to ensure the stability of slopes or retaining walls and to reinforce soils or rock foundations. This s...
TL;DR: A Digital Factory methodology is proposed to support the enhancement of an existing manufacturing cell for the fabrication of aircraft engine turbine vanes via robotic automation of its deburring station through 3D Motion Simulation and Discrete Event Simulation.
Abstract: The fourth industrial revolution is characterised by the increased use of digital tools, allowing for the virtual representation of a real production environment at different levels, from the entir...
TL;DR: An ANN model is developed to evaluate the influence of coordination factors on construction projects performance using three multilayer feed-forward networks with Back-Propagation and Elman-propagation algorithms as performance evaluation indicators.
Abstract: Construction projects are delivered in a multidisciplinary environment, which need continues coordination. The aim of this paper is to develop an ANN model to evaluate the influence of coordination...
TL;DR: An emergency-based cooperative communication protocol for WBAN, named as Emergency Data Transmission using Transmission Mode Selection (ED-TMS) protocol based on the IEEE 802.15.6 CSMA, to reduce end-to-end delay and enhance the throughput of direct transmission and traditional cooperative communication.
Abstract: The main differences between wireless body area network (WBAN) and wireless sensor network are the sensors in WBAN distributed on the human body; therefore, body posture, clothing, muscle movement,...
TL;DR: In this paper, Zeolites have been hydrothermally synthesized using alumina and silica based deposits (kaolin, bauxite, silica and feldspar) sampled from three regions in Ghana and the chemical compositions of the...
Abstract: Zeolites have been hydrothermally synthesized using alumina and silica based deposits (kaolin, bauxite, silica and feldspar) sampled from three regions in Ghana and the chemical compositions of the...
TL;DR: The computer-aided reverse engineering system (CARESystem) was applied for minimizing file errors generated by scanning a patient’s foot and this method is highly promising to deliver custom orthotics with improved size, dimensional accuracy, and comfort.
Abstract: Design and manufacturing strategies for custom orthotic insole shoes for patients with diabetes are presented in this paper. The computer-aided reverse engineering system (CARESystem) was applied f...
TL;DR: In this paper, the authors discuss growing global concerns related to energy security and sustainability, interest in bio-fuels has increased significantly, and the production of biofuel mostly begins with pyrolysis, a process that con...
Abstract: With growing global concerns related to energy security and sustainability, interest in bio-fuels has increased significantly. Production of biofuel mostly begins with pyrolysis, a process that con...
TL;DR: In this paper, a thermal finite element study was carried out to investigate the temperature gradients in bridges with precast concrete girders that subjected to the daily and seasonal environmental variations of temperature.
Abstract: A thermal finite element study was carried out to investigate the temperature gradients in bridges with precast concrete girders that subjected to the daily and seasonal environmental variations of...
TL;DR: This work discusses research gaps in developing indoor spatial models, accessible, personalized, and collaborative wayfinding, and real-time dynamic evacuation systems with accessible user-interfaces.
Abstract: A natural or man-made disaster may destabilize the structure of a building and endanger the lives of its occupants. Evacuating occupants in the shortest possible time is the first reaction in such ...
TL;DR: In this paper, various experimental and theoretical methods have been employed to study the effectiveness of two pyrazoline derivatives namely, 2-(4-(5-(p-tolyl)-4,5-dihydro-1H-pyrazol-3-yl)phenoxy)acetic acid (P...
Abstract: Various experimental and theoretical methods have been employed to study the effectiveness of two pyrazoline derivatives namely, 2-(4-(5-(p-tolyl)-4,5-dihydro-1H-pyrazol-3-yl)phenoxy)acetic acid (P...
TL;DR: A solution to plan a path using a new form of the Bees Algorithm for a 2-Wheeled Differential Drive mobile robot in an indoor environment using multi-threading techniques to guarantee real time performance at the dynamic stage.
Abstract: This paper presents a solution to plan a path using a new form of the Bees Algorithm for a 2-Wheeled Differential Drive mobile robot. This robot is used in an indoor environment. The environment co...
TL;DR: In this paper, the drying kinetics of ber (Zizyphus mauritiana) fruit and economic evaluation of hybrid photovoltaic/thermal (PV/T) solar dryer fabricated using locally available mat...
Abstract: This research paper describes the drying kinetics of ber (Zizyphus mauritiana) fruit and economic evaluation of hybrid photovoltaic/thermal (PV/T) solar dryer fabricated using locally available mat...
TL;DR: In this article, the quality of effluent from a wool and synthetic textile manufacturing company in Nigeria was examined by obtaining triplicate samples per week over a 6-week period.
Abstract: The quality of effluent from a wool and synthetic textile manufacturing company in Nigeria was examined by obtaining triplicate samples per week over a 6-week period. This was done to measure the w...
TL;DR: The underground water is the main source of water supply for most of the countries in the world, including Pakistan, which produces wheat, cotton, sugarcane and rice as mentioned in this paper.
Abstract: Pakistan is primarily an agriculture country with the capability of producing wheat, cotton, sugarcane and rice, which together are more than 75% of the total crop output. Underground water is the ...
TL;DR: Roller compacted concrete (RCC) pavement is subjected to continues traffic loading from vehicular activities which can results to fatigue cracking Fatigue is one of the commonest defects affecting as discussed by the authors.
Abstract: Roller compacted concrete (RCC) pavement is subjected to continues traffic loading from vehicular activities which can results to fatigue cracking Fatigue is one of the commonest defects affecting
TL;DR: A simple taxonomy for the works on home SDN is derived and summarized, highlighting few points along the way and drawing few simple statistics, to explore the potential use of SDN in the context of home networks specifically.
Abstract: Software Defined Networking (SDN) is an important paradigm shift of computer networking in the last 10 years. The concept of SDN is so powerful that the potential of applying it can easily be perce...
TL;DR: The Himalayan region with its complex geological features, steep slopes, rugged topography, and intense monsoonal rainfall create ideal conditions for landslides, and the damage caused due to landslide...
Abstract: The Himalayan region with its complex geological features, steep slopes, rugged topography, and intense monsoonal rainfall create ideal conditions for landslides. The damage caused due to landslide...
TL;DR: In this paper, the authors proposed that presence of cracks in concrete affect the integrity of concrete structures and reduce the life expectancy of concrete structure and is often responsible for collapse of structures, especially in the developing nations.
Abstract: Presence of cracks in concrete affect the integrity. It reduces the life expectancy of concrete structures and is often responsible for collapse of structures, especially in the developing nations....
TL;DR: In this paper, the processing and structural characterization of Si-based carbothermal derivatives of rice husk (RH) was investigated, where RH, an agro-waste, was used as starting material in a single-stage processing.
Abstract: The processing and structural characterization of Si-based carbothermal derivatives of rice husk (RH) was investigated. RH, an agro-waste, was used as starting material in a single-stage processing...