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2015

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Articles 2161 - 2190 of 7525

Full-Text Articles in Engineering

Applying Triz And Bass Model To Forecast Fitness Tracking Devices Technology, Sowmini Sengupta, Jisun Kim, Seong Dae Kim Aug 2015

Applying Triz And Bass Model To Forecast Fitness Tracking Devices Technology, Sowmini Sengupta, Jisun Kim, Seong Dae Kim

Engineering and Technology Management Faculty Publications and Presentations

65% of the world’s population lives in countries where overweight and obesity kills more people than those who are underweight. Healthcare organizations, private corporations and individuals are investing in proactive health and weight management. Advances in sensor technologies have enabled development of affordable wearable technology devices, the most rapid expansion being fitness trackers which entered the market in 2012. This paper describes the application of a combination of TRIZ and Bass modeling to forecast the technology growth projections for fitness trackers. For the TRIZ modeling, the fitness tracking system was divided into three subsystems and each was analyzed per the …

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Multiregional Functional Near-Infrared Spectroscopy Reveals Globally Symmetrical And Frequency-Specific Patterns Of Superficial Interference, Yujin Zhang, Fulun Tan, Xu Xu, Lian Duan, Hanli Liu, Fenghua Tian, Chao-Zhe Zhu Aug 2015

Multiregional Functional Near-Infrared Spectroscopy Reveals Globally Symmetrical And Frequency-Specific Patterns Of Superficial Interference, Yujin Zhang, Fulun Tan, Xu Xu, Lian Duan, Hanli Liu, Fenghua Tian, Chao-Zhe Zhu

Bioengineering Faculty Publications - Archive

Linear regression with short source-detector separation channels (S-channels) as references is an efficient way to overcome significant physiological interference from the superficial layer for functional nearinfrared spectroscopy (fNIRS). However, the co-located configuration of Schannels and long source-detector separation channels (L-channels) is difficult to achieve in practice. In this study, we recorded superficial interference with S-channels in multiple scalp regions. We found that superficial interference has overall frequency-specific and globally symmetrical patterns. The performance of linear regression is also dependent on these patterns, indicating the possibility of simplifying the Schannel configurations for multiregional fNIRS imaging.

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Increasing The Sensitivity Of The Michelson Interferometer Through Multiple Reflection, Woonghee Youn Aug 2015

Increasing The Sensitivity Of The Michelson Interferometer Through Multiple Reflection, Woonghee Youn

Graduate Theses - Physics and Optical Engineering

Michelson interferometry has been one of the most famous and popular optical interference system for analyzing optical components and measuring optical metrology properties. Typical Michelson interferometer can measure object displacement with wavefront shapes to one half of the laser wavelength. As testing components and devices size reduce to micro and nano dimension, Michelson interferometer sensitivity is not suitable. The purpose of this study is to design and develop the Michelson interferometer using the concept of multiple reflections. This thesis proposes a new and novel design for a multiple reflection interferometer, where the number of reflections does not affect the quality …

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Oxidized Phospholipids Regulation Of The Monocyte Recruitment Parthway In Human Aortic Endothelial Cells, Piao Jian Tan Aug 2015

Oxidized Phospholipids Regulation Of The Monocyte Recruitment Parthway In Human Aortic Endothelial Cells, Piao Jian Tan

Masters Theses

Low-density lipoprotein particles in blood plasma invade the endothelium and become oxidized, creating risk of CHD associated with atherosclerosis, the main underlying condition in coronary heart disease. Oxidation products of the phospholipid 1-palmitoyl- 2-arachidonoyl-sn-glycerol-3-phosphatidylcholine (PAPC) are bioactive components of minimally oxidized LDL that stimulate endothelial cells that line the artery, leading to monocyte binding and atherosclerosis. It is hypothesized that the regulation of the monocyte recruitment pathway by these oxidized phospholipids is mediated by the binding of OxPAPC to one or more mediating proteins. Human recombinant VEGFR2, GRP78, and EP2bind to OxPNB, a biotinylated analog of OxPAPC, demonstrated using Western …

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Evaluating The Economic Impacts Of Pipeline Useage On The Indian Oil And Gas Supply Chain., Atul Vilas Kamble Aug 2015

Evaluating The Economic Impacts Of Pipeline Useage On The Indian Oil And Gas Supply Chain., Atul Vilas Kamble

Industrial, Manufacturing, and Systems Theses - Archive

The objective of this dissertation is to find the minimum supply chain cost for the Indian oil and gas industry. The problem is solved by introducing a mixed – integer programming model which will avail in taking the obligatory decisions predicated on the cost estimates for sundry scenarios. In order to meet the objective, categorical objectives were put down to evaluate their impacts. This research was to evaluate the economic impact of mode of transport. This research primarily focusses on the Pipeline mode of transport and how the selected pipe diameter and the flow through the selected pipe affect the …

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Feasibility Analysis Of Steam Ventilation In Supercavitation Design, Austin Culberson Aug 2015

Feasibility Analysis Of Steam Ventilation In Supercavitation Design, Austin Culberson

All Theses

The complete envelopment of a submerged object by a continuous cavity, or supercavity, results in significant reduction of the skin drag acting on the object, allowing for substantial increases in the maximum speeds of underwater devices. The formation of supercavities often requires supplemental ventilation, traditionally by non-condensable gasses, as natural supercavitation occurs at relative speeds between the object and liquid medium that are infeasible for the device to reach without supercavitation itself. The aim of this research is to investigate the feasibility of vaporous ventilation in supercavitation design with the hope of reducing non-condensable ventilation requirements which are inherently limited …

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Method Of Effective Roughness Dielectric In A Pcb: Measurement And Full-Wave Simulation Verification, Marina Koledintseva, Tracey Vincent, Antonio Ciccomancini Scogna, Scott Hinaga Aug 2015

Method Of Effective Roughness Dielectric In A Pcb: Measurement And Full-Wave Simulation Verification, Marina Koledintseva, Tracey Vincent, Antonio Ciccomancini Scogna, Scott Hinaga

Electrical and Computer Engineering Faculty Research & Creative Works

Surface roughness topography of printed circuit boards (PCBs) needs to be included in signal integrity simulations in order to accurately predict the insertion loss of the structure and its delay time. An effective roughness dielectric (ERD) model can be used to substitute an inhomogeneous interface between copper foil and laminate dielectric in a PCB. Herein, this approach is tested for verification using 3-D full-wave numerical simulations. These ERD layers with the appropriate complex permittivity are included in the modeling of strip line examples. The parameters of an ambient laminate dielectric refined from conductor roughness in the strip line are determined …

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Uncertainty Quantification For Electromagnetic Systems Using Asgc And Dgtd Method, Ping Li, Li (Lijun) Jun Jiang Aug 2015

Uncertainty Quantification For Electromagnetic Systems Using Asgc And Dgtd Method, Ping Li, Li (Lijun) Jun Jiang

Electrical and Computer Engineering Faculty Research & Creative Works

In this paper, an adaptive hierarchical sparse grid collocation (ASGC) method combined with the discontinuous Galerkin time-domain method is leveraged to quantify the impacts of random parameters on the electromagnetics systems. The ASGC method approximates the stochastic observables of interest using interpolation functions over a set of collocation points determined by the Smolyak's algorithm integrated with an adaptive strategy. Instead of resorting to a full-tensor product sense, the Smolyak's algorithm constructs the collocation points in a hierarchical scheme with the interpolation level. Enhanced by an adaptive strategy, the Smolyak's algorithm will sample more points along important dimensions with sharp variations …

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Distributive Radiation And Transfer Characterization Based On The Peec Method, Ying S. Cao, Li (Lijun) Jun Jiang, Albert E. Ruehli Aug 2015

Distributive Radiation And Transfer Characterization Based On The Peec Method, Ying S. Cao, Li (Lijun) Jun Jiang, Albert E. Ruehli

Electrical and Computer Engineering Faculty Research & Creative Works

Power radiation and radiated coupling among different structures represent an important area for research study. The partial element equivalent circuit method (PEEC) is a powerful technique which bridges the gap between the electromagnetic and circuit theories. In this paper, we develop a new approach for PEEC to calculate the distributive power radiation and couplings. With this approach, formulations for both the radiated power and the transferred power can be evaluated. Further, the physical meanings of the power results are interpreted according to the conservation of energy law. We use electric dipoles, magnetic dipoles and patch antennas as well as coupled …

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Silver Nanoparticle Coated Bioactive Glasses - Composites With Dex/Cmc Hydrogels: Characterization, Solubility, And In Vitro Biological Studies, Anthony W. Wren, Pegah Hassanzadeh, Lana M. Placek, Timothy J. Keenan, Aisling Coughlan, Lydia R. Boutelle, Mark R. Towler Aug 2015

Silver Nanoparticle Coated Bioactive Glasses - Composites With Dex/Cmc Hydrogels: Characterization, Solubility, And In Vitro Biological Studies, Anthony W. Wren, Pegah Hassanzadeh, Lana M. Placek, Timothy J. Keenan, Aisling Coughlan, Lydia R. Boutelle, Mark R. Towler

Chemical and Biochemical Engineering Faculty Research & Creative Works

Silver (Ag) coated bioactive glass particles (Ag-BG) were formulated and compared to uncoated controls (BG) in relation to glass characterization, solubility and microbiology. X-ray diffraction (XRD) confirmed a crystalline AgNP surface coating while ion release studies determined low Ag release (/L). Cell culture studies presented increased cell viability (127 and 102%) with lower liquid extract (50 and 100 ml/ml) concentrations. Antibacterial testing of Ag-BG in E. coli, S. epidermidis and S. aureus significantly reduced bacterial cell viability by 60-90%. Composites of Ag-BG/CMC-Dex Hydrogels were formulated and characterized. Agar diffusion testing was conducted where Ag-BG/hydrogel composites produced the largest inhibition zones …

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Accumulation Of Gas-Phase Methamphetamine On Clothing, Toy Fabrics, And Skin Oil, G. Morrison, N. V. Shakila, K. Parker Aug 2015

Accumulation Of Gas-Phase Methamphetamine On Clothing, Toy Fabrics, And Skin Oil, G. Morrison, N. V. Shakila, K. Parker

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

To better understand methamphetamine exposure and risk for occupants of former residential clandestine methamphetamine laboratories, we measured the dynamic accumulation of methamphetamine in skin oil, cotton and polyester (PE) clothing, upholstery, and toy fabric (substrates) exposed to 15-30 ppb (91-183 μg/m3) neutral methamphetamine in air for up to 60 days. The average equilibrium partition coefficients at 30% RH, in units of μg of methamphetamine per gram of substrate per ppb, are 3.0 ± 0.2 for a PE baby blanket, 5.6 ± 3.5 for a PE fabric toy, 3.7 ± 0.2 for a PE shirt, 18.3 ± 8.0 for a PE/cotton …

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Effect Of Thermal Loads On Substructures: New Trammel Creek Bridge On Ky-100 In Allen County, Kentucky, Zhihui Zhu, Michael T. Davidson, Issam E. Harik, Charlie Sun Aug 2015

Effect Of Thermal Loads On Substructures: New Trammel Creek Bridge On Ky-100 In Allen County, Kentucky, Zhihui Zhu, Michael T. Davidson, Issam E. Harik, Charlie Sun

Kentucky Transportation Center Research Report

When infrastructure is subjected to temperature changes, structural members that are either partially or fully restrained against motion can develop internal stresses. The phenomenon of temperature-induced internal stress development in superstructure members has prompted the American Association of State Highway and Transportation Officials (AASHTO) to include provisions for determining superstructure temperature load effects. However, little consideration has been given to explicitly quantifying the effect that thermal stresses have on foundation systems such as intermediate bridge piers. The objective of this study is to instrument a multi-span integral abutment bridge with temperature and bridge response monitoring devices, and ultimately, to make …

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Development Of Tools Needed For Radiation Analysis Of A Cubesat Deployer Using Oltaris, Marycarmen Gonzalez-Dorbecker Aug 2015

Development Of Tools Needed For Radiation Analysis Of A Cubesat Deployer Using Oltaris, Marycarmen Gonzalez-Dorbecker

Master's Theses

Currently, the CubeSat spacecraft is predominantly used for missions at Low- Earth Orbit (LEO). There are various limitations to expanding past that range, one of the major ones being the lack of sufficient radiation shielding on the Poly-Picosatellite Orbital Deployer (P-POD). The P-POD attaches to a launch vehicle transporting a primary spacecraft and takes the CubeSats out into their orbit. As the demand for interplanetary exploration grows, there is an equal increase in interest in sending CubeSats further out past their current regime. In a collaboration with NASA’s Jet Propulsion Laboratory (JPL), students from the Cal Poly CubeSat program worked …

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Designing A Minimal-Knowledge Controller To Achieve Fast, Stable Growth For Recombinant Escherichia Coli Cultures, Matthew E. Pepper Aug 2015

Designing A Minimal-Knowledge Controller To Achieve Fast, Stable Growth For Recombinant Escherichia Coli Cultures, Matthew E. Pepper

All Dissertations

The biopharmaceutical industry is constantly developing new recombinant Es-cherichia coli strains to bring new products to market. In early stages of development, small scale bioreactors are used to make the product and explore di˙erent growth pro-tocols. Researchers spend significant time finding a feed rate profile that will give fast growth and low byproduct accumulation. The objective for the controller pre-sented in this work is to achieve fast growth and low acetate accumulation for an E.coli fermentation. The controller does not rely on previous characterization data or models but on fundamental metabolic relationships between oxygen and glucose as dictated by the …

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2015 Safety Belt Usage Survey In Kentucky, Kenneth R. Agent, Eric R. Green, Michael A. Fields Aug 2015

2015 Safety Belt Usage Survey In Kentucky, Kenneth R. Agent, Eric R. Green, Michael A. Fields

Kentucky Transportation Center Research Report

The objective of the survey summarized in this report was to establish a statewide safety belt usage rate in Kentucky for 2015. This rate can be compared to those determined from previous surveys. The 2015 statewide survey documents the continued increase in usage associated with the change in the law to allow primary enforcement and related education and enforcement.

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Tetrahedral Mesh Optimization And Generation Via Topological Transformations And Gradient Based Node Perturbation, Christopher B. Hilbert Aug 2015

Tetrahedral Mesh Optimization And Generation Via Topological Transformations And Gradient Based Node Perturbation, Christopher B. Hilbert

Masters Theses and Doctoral Dissertations

A general tetrahedral mesh optimization scheme utilizing both topological changes (i.e. flips) and gradient-based vertex optimization (i.e. smoothing) is demonstrated. This scheme is used in the optimization of tetrahedral meshes created by third-party software as well as a grid generation methodology created for this work. The particular algorithms involved are explained in detail including, an explication of the primary optimization metric, weighted condition number. In addition, a thorough literature review regarding tetrahedral mesh generation is given.

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Evaluation Of The Safety Effectiveness Of Clearview Font And Fluorescent Yellow Sheeting On Michigan Freeways And Non-Freeways, Lusanni Mercedes Acosta Rodrieuez Aug 2015

Evaluation Of The Safety Effectiveness Of Clearview Font And Fluorescent Yellow Sheeting On Michigan Freeways And Non-Freeways, Lusanni Mercedes Acosta Rodrieuez

Masters Theses

Halation or irradiation makes guide sign fonts difficult to read. Missing the necessary guide sign information causes anxiety and confusion to drivers, and hence may lead to crashes. In order to avoid or mitigate the situation a newer font, Clearview, is used to provide better readability at long distances. In a similar context the lack of brightness in sheeting material for warning signs reduces conspicuity of sings. Installation of fluorescent yellow sheeting has been done to provide signs with more noticeable and brighter materials. This observational before and after study is an evaluation of the safety and economic benefits of …

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The Design Of Nanostructures From The Blending Of Flowing Agents Influencing Critical Properties Of A Pharmaceutical Formulation, Casey F. Kick Aug 2015

The Design Of Nanostructures From The Blending Of Flowing Agents Influencing Critical Properties Of A Pharmaceutical Formulation, Casey F. Kick

Masters Theses

In the pharmaceutical manufacturing process, it is well known that flowing agents such as MgSt and Cab-O-Sil widely affect critical flow properties that influence the finished product performance of oral dosage tablets. Though the effects of flowing agents are beneficial to some extent, the sensitivity of the pharmaceutical formulation to process shearing of flowing agents during blending can be catastrophic which often results in product and batch failures. Hence it is essential to study the concentration of flowing agents and chemical nature of active pharmaceutical ingredients (API) with respect to applied process shear on formulations. Previous studies have shown that …

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Spatial Database For Intersections, Eric R. Green, Christopher L. Blackden, Michael A. Fields Aug 2015

Spatial Database For Intersections, Eric R. Green, Christopher L. Blackden, Michael A. Fields

Kentucky Transportation Center Research Report

Deciding which intersections in the state of Kentucky warrant safety improvements requires a comprehensive inventory with information on every intersection in the public roadway network. The Kentucky Transportation Cabinet (KYTC) had previously catalogued only those intersections where state-maintained roadways met. However, this inventory did not account for intersections between state- and locally-maintained routes, nor was it designed to accommodate regular updates. As such, the Kentucky Transportation Center (KTC) at the University of Kentucky developed a methodology to create and maintain a full inventory of every intersection in the state. The database contains precise location information as well as several safety …

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Synthesis Of Public-Private Partnerships: Potential Issues And Best Practices For Program And Project Implementation And Administration, Bryan Gibson, Candice Y. Wallace, Roy E. Sturgill Aug 2015

Synthesis Of Public-Private Partnerships: Potential Issues And Best Practices For Program And Project Implementation And Administration, Bryan Gibson, Candice Y. Wallace, Roy E. Sturgill

Kentucky Transportation Center Research Report

Public-private partnerships (P3s or PPPs) offer an innovative procurement method for the public sector. P3s involve collaborations between the public and private sectors to finance, develop or maintain transportation infrastructure. In an era of shrinking budgets and increased demand for transportation infrastructure, the Kentucky Transportation Cabinet (KYTC) can analyze experiences in other states to determine a best path forward on the issue of P3s. The objective of this study is to examine benefits and drawbacks of using P3s, current trends and past performance of P3s in the procurement of state transportation infrastructure projects, and common legislative statutes relating to P3s. …

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An Estimate Of The Second-Order In-Plane Acceleration Sensitivity Of A Y-Cut Quartz Thickness-Shear Resonator, Huijing He, Jiashi Yang, John A. Kosinski Aug 2015

An Estimate Of The Second-Order In-Plane Acceleration Sensitivity Of A Y-Cut Quartz Thickness-Shear Resonator, Huijing He, Jiashi Yang, John A. Kosinski

Department of Mechanical and Materials Engineering: Faculty Publications

We perform a theoretical analysis of the second-order in-plane acceleration sensitivity of a Y-cut quartz thick-ness-shear mode resonator. The second-order nonlinear theory of elasticity for anisotropic crystals is used to determine the biasing fields in the resonator under in-plane acceleration. The acceleration-induced frequency shift is determined from a per-turbation analysis based on the plate equations for small-amplitude vibrations superposed on a finite bias. We show that, whereas the first-order acceleration-induced frequency shift is zero for a structurally symmetric resonator under in-plane ac-celeration, the second-order frequency shift is nonzero and is quadratic in the acceleration. As the fourth-order nonlinear elastic constants …

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Validation Of A Finite Element Model Of The Humerus For Fracture Risk Assessment During Assisted Ambulation, Jessica M. Fritz, Prateek Grover, Nicole M. Grosland, Carolyne Albert, Linda M. Mcgrady, Mei Wang, Gerald F. Harris Aug 2015

Validation Of A Finite Element Model Of The Humerus For Fracture Risk Assessment During Assisted Ambulation, Jessica M. Fritz, Prateek Grover, Nicole M. Grosland, Carolyne Albert, Linda M. Mcgrady, Mei Wang, Gerald F. Harris

Biomedical Engineering Faculty Research and Publications

No abstract provided.

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Using Swing Resistance And Assistance To Improve Gait Symmetry In Individuals Post-Stroke, Sheng-Che Yen, Brian D. Schmit, Ming Wu Aug 2015

Using Swing Resistance And Assistance To Improve Gait Symmetry In Individuals Post-Stroke, Sheng-Che Yen, Brian D. Schmit, Ming Wu

Biomedical Engineering Faculty Research and Publications

A major characteristic of hemiplegic gait observed in individuals post-stroke is spatial and temporal asymmetry, which may increase energy expenditure and the risk of falls. The purpose of this study was to examine the effects of swing resistance/assistance applied to the affected leg on gait symmetry in individuals post-stroke. We recruited 10 subjects with chronic stroke who demonstrated a shorter step length with their affected leg in comparison to the non-affected leg during walking. They participated in two test sessions for swing resistance and swing assistance, respectively. During the adaptation period, subjects counteracted the step length deviation caused by the …

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Finite Element Assessment Of Pediatric Femoral Response To Loading During Ambulation: Normal Vs. Osteogenesis Imperfecta (Oi) Bone, Jessica M. Fritz, Carolyne Albert, Nicole M. Grosland, Peter A. Smith, Gerald F. Harris Aug 2015

Finite Element Assessment Of Pediatric Femoral Response To Loading During Ambulation: Normal Vs. Osteogenesis Imperfecta (Oi) Bone, Jessica M. Fritz, Carolyne Albert, Nicole M. Grosland, Peter A. Smith, Gerald F. Harris

Biomedical Engineering Faculty Research and Publications

No abstract provided.

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The Edge Group Coloring Problem With Applications To Multicast Switching, Jonathan Turner Aug 2015

The Edge Group Coloring Problem With Applications To Multicast Switching, Jonathan Turner

All Computer Science and Engineering Research

This paper introduces a natural generalization of the classical edge coloring problem in graphs that provides a useful abstraction for two well-known problems in multicast switching. We show that the problem is NP-hard and evaluate the performance of several approximation algorithms, both analytically and experimentally. We find that for random χ-colorable graphs, the number of colors used by the best algorithms falls within a small constant factor of χ, where the constant factor is mainly a function of the ratio of the number of outputs to inputs. When this ratio is less than 10, the best algorithms produces solutions that …

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Exploring The Use Of Bamboo Reinforced Rubberized Concrete (Brrc) As A Sustainable Standard System, Muxing Ding Aug 2015

Exploring The Use Of Bamboo Reinforced Rubberized Concrete (Brrc) As A Sustainable Standard System, Muxing Ding

All Theses

Concrete is the predominant material used in construction, in particular, for commercial structures. It has many advantages including low cost, high availability, low maintenance, high compressive strength and high durability. However concrete is a brittle material with very low tensile strength. Hence, steel, in the form of rebar is typically used to reinforce concrete. The cost of steel rebar is relatively high, especially in many developing countries compared to their average income. Therefore, minimal rebar is used to reinforce concrete homes and other low-rise buildings in developing countries such as Haiti leading to unsafe structures, especially during earthquakes. The high …

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Inertial Particle Dynamics In Simple Vortex Flow Configurations, Senbagaraman Sudarsanam Aug 2015

Inertial Particle Dynamics In Simple Vortex Flow Configurations, Senbagaraman Sudarsanam

All Theses

Dynamics of inertial particles differ significantly from that of the underlying fluid flow. This difference in the dynamics of Inertial particles from that of fluid tracers can be exploited to segregate particles by size. While external forces can be used to manipulate the dynamics of such particles, using hydrodynamic forces which are always present in the flows of interest to manipulate inertial particle dynamics offers several advantages. Vorticity is one such phenomenon that is frequently encountered in natural and industrial flows. Thus, the dynamics of inertial particles have been studied in the presence of simple vortex flow configurations in this …

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Acoustic Scattering Response Of Hierarchic Honeycomb Structures For Cylindrical And Spherical Structures, Arun Mor Aug 2015

Acoustic Scattering Response Of Hierarchic Honeycomb Structures For Cylindrical And Spherical Structures, Arun Mor

All Theses

Sandwich panels with honeycomb core are often employed in structures for improved mechanical properties with lightweight. Honeycombs are defined by non-overlapping and periodic unit cells. Most research conducted on these sandwich panels focuses on stiffness and strength properties. The acoustic aspect of these panels has been focused on sound transmission loss. For acoustics, previous studies used effective honeycomb orthotropic elastic moduli based on Cartesian unit cell geometry to model the core as a homogeneous structure. While efficient, this modeling approach loses accuracy at higher frequencies. Furthermore, when used for curved panels, the effective moduli are only approximate. In this work, …

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Analysis And An Application Of Rf Interferometer, Yongzhi Shao Aug 2015

Analysis And An Application Of Rf Interferometer, Yongzhi Shao

All Theses

The thesis investigates additive RF interferometer sensing technique, which is highly sensitive compared to other RF sensing methods. First, mathematical descriptions are given to illustrate how the RF interferometer works. Then an analysis of single particle passing over a coplanar waveguide in carrier liquid is presented, which poses as a difficulty to simulation software. The analysis is combined with interferometer mathematical equations and validated by a particle measurement in an interferometer. The interferometer sensitivity is enhanced by incorporating filters as sensing devices and functionally expanded by using the reflection coefficients. In the end, an application of gas measurement with the …

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The Partially Rechargeable Electric Vehicle Routing Problem With Time Windows And Capacitated Charging Stations, Navid Matin Moghaddam Aug 2015

The Partially Rechargeable Electric Vehicle Routing Problem With Time Windows And Capacitated Charging Stations, Navid Matin Moghaddam

All Theses

Electric vehicles are potentially beneficial for both the environment and an organization's bottom line. These benefits include, but are not limited to, reduced fuel costs, government tax incentives, reduced greenhouse gas emissions, and the ability to promote a company's "green" image. In order to decide whether or not to convert or purchase electric trucks and install charging facilities, decision makers need to consider many factors including onboard battery capacity, delivery or service assignments, scheduling and routes, as well as weather and traffic conditions in a well-defined modeling framework. We develop a model to solve the partially rechargeable electric vehicle routing …

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