Engineering Commons^™

Strengthening Urban Resilience: Understanding The Interdependencies Of Outer Space And Strategic Planning For Sustainable Smart Environments, Ulpia-Elena Botezatu, Olga Bucovetchi, Adrian V. Gheorghe, Radu D. Stanciu

Engineering Management & Systems Engineering Faculty Publications

The conventional approach to urban planning has predominantly focused on horizontal dimensions, disregarding the potential risks originating from outer space. This paper aims to initiate a discourse on the vertical dimension of cities, which is influenced by outer space, as an essential element of strategic urban planning. Through an examination of a highly disruptive incident in outer space involving a collision between the Iridium 33 and Cosmos 2251 satellites, this article elucidates the intricate interdependencies between urban areas and outer space infrastructure and services. Leveraging the principles of critical infrastructure protection, which bridge the urban and outer space domains, and …

Small Town To The World Wide Web: Designing A Website For A Local Business, Madison Cozzens

Honors Projects

The Raspberry and The Rose is a small business in Medina, OH, and had a multitude of visual communication issues that needed to be solved. But what's an online presence without a website? "Small Town to the World Wide Web: Designing a Website for a Local Business" focuses on fulfilling a local business's need for a strong online presence. It dives into how a user's experience on the website can impact brand loyalty, foot traffic, and overall perception of a business. The ultimate goal of this project is to provide insight into how a non-e-commerce website can impact a business.

The Impact Of User Control And Transparency In App Design On Privacy Concerns And Behavior Of Mobile App Users, Arwa Alawajy

Dissertations, Theses, and Capstone Projects

Mobile apps have unprecedented access to sensitive personal information. The increasing commodification of mobile-user data motivates us to explore the vital role of app developers in protecting users’ privacy. This dissertation examines the privacy of mobile app users from the perspective of HCI. According to Communication Privacy Management (CPM) theory, people believe they own their personal information and have the right to control how or with whom they share this information. In practice, individuals manage their privacy system and the boundaries between the public and private domain. Users make privacy disclosure decisions according to their individual characteristics and the perceptions …

H∞ Delayed Tracking Protocol Design Of Nonlinear Singular Multi-Agent Systems Under Markovian Switching Topology, Xiangli Jiang, Guihua Xia, Zhiguang Feng, Zhengyi Jiang

Faculty of Engineering and Information Sciences - Papers: Part B

© 2020 Elsevier Inc. The consensus tracking of singular multi-agent systems (MASs) with Lipschitz-type nonlinearities and exogenous disturbances is researched in this paper. Governed by a Markov chain, the network interaction randomly switches in a directed graph set, where the directed spanning tree is not contained in each graph while exists in the union rooting at the leader node. By utilizing a collection of in-neighbors’ information that involves communication delay, the intention is to design a protocol such that the resultant consensus error system is stochastic admissible with an H∞ disturbance attenuation level. Based on algebraic graph theory, stochastic admissibility …

Fault-Tolerant Analysis And Design Of Afpmsm With Multi-Disc Type Coreless Open-End Winding, Xiaoguang Wang, Meng Zhao, Lei Tang, Wei Xu, Md Rabiul Islam

Faculty of Engineering and Information Sciences - Papers: Part B

This article presents a multi-disc coreless axial flux permanent magnet synchronous machine (MDC-AFPMSM) with N pole and S pole type series magnetic circuit and open-end winding for high reliability applications, such as small power actuator system. Firstly, the topology and driving modes of MDC-AFPMSM are presented in details. In this article, a multi-objective optimization function is proposed to design the machine with full consideration of various influence factors. The drive performance indexes of four-phase, five-phase and six-phase machines are analyzed and discussed. Furthermore, main parameters of the five-phase MDC-AFPMSM with open-end winding are calculated. In order to reduce the torque …

Achieving Sustainability Through Reducing Construction Waste During The Design Process: A Value Management Perspective, Ayman Ahmed Ezzat Othman, Sherouk Mohamed Abdelrahim

Architectural Engineering

Purpose:

The purpose of this paper is to investigate the role of Value Management towards achieving sustainability through reducing the construction waste during the design process.

Design/methodology/approach

To achieve the abovementioned aim, a research methodology consisting literature review and survey questionnaire is designed to achieve the following objectives: first, building a comprehensive understanding of the research topic through reviewing literature related to the nature of the construction industry, waste in construction, sustainability, the design phase and Value Management; second, presenting and analysing two case studies to validate the role of Value Management towards reducing waste in construction projects; third, conducting …

Design And Optimization Of A Novel Dual-Port Linear Generator For Oceanic Wave Energy Conversion, Omar Farrok, Md Rabiul Islam, Kashem M. Muttaqi, Danny Sutanto, Jianguo Zhu

Faculty of Engineering and Information Sciences - Papers: Part B

All the existing linear generators used for oceanic wave energy conversions are basically a single-port linear electrical generators (SPLEGs). The conventional SPLEG transfers electrical power to the load/grid discontinuously due to its working principle and the intermittent nature of oceanic waves. This paper proposes a new dual-port linear electrical generator (DPLEG) topology, which is capable to transfer electrical power with an adequate voltage even at zero vertical velocity of the oceanic wave. The analysis shows that the efficiency and the performance of the DPLEG depend greatly on the stator tooth design. For this reason, the proposed DPLEG is optimized using …

Advancement Of Rail Ballast Testing Methodologies And Design Implications, Buddhima Indraratna, Ngoc Trung Ngo, Cholachat Rujikiatkamjorn, Fernanda Ferreira

Faculty of Engineering and Information Sciences - Papers: Part B

Given the limited capacity of available railway tracks in Australia to sustain increasingly faster and heavier trains, the development of innovative and sustainable ballasted tracks is essential for Australian transport infrastructure. Upon repeated train loading, ballast aggregates become degraded and fouled owing to the intrusion of external fines either from the subbase or surface, which decreases track drainage potentially leading to track instability. This paper reviews some advancements in testing methodologies and design implications of ballasted tracks stabilized with artificial inclusions, including geocomposites, energy absorbing rubber mats and end-of-life tires. Measured test data shows that the use of these waste …

The Pedagogy Of Design And Technology At Xavier University Of Louisiana, New Orleans, Shayna Tova Blum

Faculty and Staff Publications

Abstract. Xavier University of Louisiana (XULA) is a Science, Technology, Engineering, and Mathematics (STEM) university located in New Orleans, Louisiana. As a Historically Black University (HBCU), the university serves a diverse community of students in which many are first-generation, college graduates. Students enrolled in Design courses at XULA are studying in Bachelor of Science and Bachelor of Art programs and majoring in subjects such as Computer Science, Physics, Mass Communication, Art, Business, and Science. The interdisciplinary student environment offers a unique opportunity for collaboration and peer learning, whereby students are able to share diverse perspectives on a topic by relating …

Connecting Bridges Through Theatrical Design: An Examination Of “Asiri Nla” In Performance, Tochukwu J. Okeke

International Review of Humanities Studies

The theatre provides an avenue for the expression of very salient and topical issues about a people through the presentation of performances. These performances, which are often in form of plays, are always created by playwrights and that is why playwrights are said to be the watch dogs of the society because their works x-ray past and present situations while proffering solutions for the future. However, the theatre is a composite art which involves the collaboration of many creative artists: Playwright, Director, Stage Manager, Actor(s), Designer(s), amongst others. The designer(s) are the creative artists that interpret the play in visual …

A Numerical Approach To Design The Kretschmann Configuration Based Refractive Index Graphene-Mos2 Hybrid Layers With Tio2-Sio2 Nano For Formalin Detection, Md. Biplob Hossain, Tamanna Tasnim, Lway Abdulrazak, Md Masud Rana, Md Rabiul Islam

Faculty of Engineering and Information Sciences - Papers: Part B

In this paper, a Kretschmann configuration based surface plasmon resonance (SPR) sensor is numerically designed using graphene-MoS2 hybrid structure TiO2-SiO2 nano particles for formalin detection. In this design, the observations of SPR angle versus minimum reflectance and SPR frequency (FSPR) versus maximum transmittance (Tmax) are considered. The chitosan is used as probe legend to perform reaction with the formalin (40% formaldehyde) which acts as target legend. In this paper, both graphene and MoS2 are used as biomolecular acknowledgment element (BAE) and TiO2 as well as SiO2 bilayers is used to improve the sensitivity of the sensor. The numerical results show …

A Preliminary Design Of Application Of Wireless Identification And Sensing Platform On External Beam Radiotherapy, Heranudin, S Bakhri

Faculty of Engineering and Information Sciences - Papers: Part B

A linear accelerator (linac) is widely used as a means of radiotherapy by focusing high-energy photons in the targeted tumor of patient. Incorrectness of the shooting can lead normal tissue surrounding the tumor received unnecessary radiation and become damaged cells. A method is required to minimize the incorrectness that mostly caused by movement of the patient during radiotherapy process. In this paper, the Wireless Identification and Sensing Platform (WISP) architecture was employed to monitor in real time the movement of the patient's body during radiotherapy process. In general, the WISP is a wearable sensors device that can transmit measurement data …

A Disturbance Observer-Based Robust Controller Design For Systems With Right Half Plane Zeros And Poles, Emre Sariyildiz, Ilhan Mutlu, Rahim Mutlu

Faculty of Engineering and Information Sciences - Papers: Part B

This paper analytically derives the bandwidth limitations of Disturbance Observer (DOB) when plants have Right Half Plane (RHP) zero(s) and pole(s). If the plant is non-minimum phase, then the bandwidth of DOB should be set at a lower value than its upper bound to improve the robust stability and performance. If the plant is unstable, then the bandwidth of DOB should be set at a higher value than its lower bound to achieve the robust stability. The upper and lower bounds are analytically derived by using Poisson integral formula. It is shown that the bandwidth limitation of DOB is directly …

Engineering Standards In Highway Design Litigation, Michael Lewyn

Michael E Lewyn

A Survey Of Addictive Software Design, Chauncey J. Neyman

Computer Science and Software Engineering

The average smartphone owner checks their phone more than 150 times per day. As of 2015, 62% of smartphone users had used their phone to look up information about a health condition, while 57% had used their phone to do online banking. Mobile platforms have become the dominant medium of human-computer interaction. So how have these devices established themselves as our go to connection to the Internet? The answer lies in addictive design. Software designers have become well versed in creating software that captivates us at a primal level. In this article, we survey addictive software design strategies, their bases …

Persuasive Systems Design Features In Promoting Medication Management For Consumers, Khin Than Win, Judy Mullan, Sarah Katherine Howard, Harri Oinas-Kukkonen

Faculty of Engineering and Information Sciences - Papers: Part B

Medication safety continues to be a growing concern in the healthcare industry. Providing medication information to consumers and supporting self- management would help to reduce medication errors and to increase medication adherence. This paper reviews the persuasive systems design features used in current medication management applications for consumers. A database search was conducted to identify relevant articles, which were then reviewed using the Persuasive Systems Design model as a framework for analysis. The results highlighted the applicability of these features for the medication management information systems available to consumers. Primary task support and Dialogue support categories were highly cited in …

Design Of Geopolymer Concrete With Ggbfs At Ambient Curing Condition Using Taguchi Method, Muhammad N. S Hadi, Nabeel Farhan, M Neaz Sheikh

Faculty of Engineering and Information Sciences - Papers: Part A

In this paper, the Taguchi method has been used to design optimum mix proportions for geopolymer concrete with ground granulated blast furnace slag (GGBFS) as aluminosilicate source at ambient curing condition. The influences of binder content, alkaline activator to binder content (Al/Bi) ratio, sodium silicate to sodium hydroxide (SS/SH) ratio, and sodium hydroxide (SH) concentration on the geopolymer concrete were investigated. A total of nine mix designs were evaluated. It was found that specimens with a binder content of 450 kg/m³, Al/Bi ratio of 0.35, SS/SH ratio of 2.5, and SH concentration of 14 M produced the highest …

Design And Implementation Of A Novel Web-Based E-Learning Tool For Education Of Health Professionals On The Antibiotic Vancomycin, Stuart Bond, Shelley P. Crowther, Suman Adhikari, Ping Yu, Jay P. Bochard, Craig S. Boutlis, Wilfred W. Yeo, Spiros Miyakis

Faculty of Engineering and Information Sciences - Papers: Part B

No abstract provided.

Impact Of Structural Design Solutions On The Energy And Thermal Performance Of An Australian Office Building, Mehdi Robati, Georgios Kokogiannakis, Timothy J. Mccarthy

Faculty of Engineering and Information Sciences - Papers: Part B

Concrete is a heavyweight construction material whose high thermal mass could increase the thermal storage capacity of a building envelope and in turn affect indoor thermal comfort. Selecting an appropriate method for concrete construction and form could also affect the total energy performance and thermal comfort of a building, a fact that is often overlooked by structural engineers. This study presents the results of energy simulations of the potential impact that concrete construction forms, in particular two slab types, and structural materials have on the energy consumption of archetypal commercial office buildings in five major Australia cities (Sydney, Melbourne, Canberra, …

The Effect Of Nursing Participation In The Design Of A Critical Care Information System: A 4 Case Study In A Chinese Hospital, Yanhong Qin, Ranyun Zhou, Qiong Wu, Xiaodi Huang, Xinli Chen, Weiwei Wang, Xun Wang, Hua Xu, Jing Zheng, Siyu Qian, Changqing Bai, Ping Yu

Faculty of Engineering and Information Sciences - Papers: Part B

No abstract provided.

A Robust Force Controller Design For Series Elastic Actuators, Emre Sariyildiz, Haoyong Yu

Faculty of Engineering and Information Sciences - Papers: Part B

A Series Elastic Actuator (SEA) is designed by placing a passive compliant element between a conventional stiff actuator and link. The intrinsically compliant mechanical structure provides several superiorities, e.g., safety, energy efficiency, high force fidelity, low cost force measurement, high transparency, etc., in advanced robot applications, such as humanoids, quadrupeds and exoskeletons. However, the motion control problem of an SEA is more complicated than that of a conventional stiff actuator due to its higher order dynamics. This paper proposes a novel Active Disturbance Rejection (ADR) based robust force controller for SEAs by combining Differential Flatness (DF) and Disturbance Observer (DOb) …

Collaboration And Co-Location: Making Sense Of Digital Design For Early Childhood Games, Holly Tootell, Mark Freeman, Grant N. Ellmers, Anthony D. Okely

Faculty of Engineering and Information Sciences - Papers: Part B

The relationship between physical activity and educational and health outcomes is well known. As the significance of digital devices continues to increase, along with societal reliance on them, the provision of programs that draw technology and physical activity together is increasingly important. The recent Pokemon phenomenon is an example of a digitally-driven physical activity that appealed to both adults and children alike. This paper reports on the proof of concept phase of a development that brings to digital life a physical activity program designed specifically for preschoolers. The aim of the JumpStart project was to find a way to engage …

Review On Design And Control Aspects Of Robotic Shoulder Rehabilitation Orthoses, Aibek Niyetkaliyev, Shahid Hussain, Mergen Hmcgill University, Ghayesh, Gursel Alici

Faculty of Engineering and Information Sciences - Papers: Part B

Robotic rehabilitation devices are more frequently used for the physical therapy of people with upper limb weakness, which is the most common type of stroke-induced disability. Rehabilitation robots can provide customized, prolonged, intensive, and repetitive training sessions for patients with neurological impairments. In most cases, the robotic exoskeletons have to be aligned with the human joints and provide natural arm movements. This is a challenging task to achieve for one of the most biomechanically complex joints of human body, i.e., the shoulder. Therefore, specific considerations have been made in the development of various existing robotic shoulder rehabilitation orthoses. Different types …

Usability Simplified: A Basic Guide To Undertaking Effective Usability Testing, Garrison Reeves

Professional Writing and Information Design Capstone Projects

Usability can be complicated but I provide simple guidelines to effective usability. Every product has an intended purpose, and the scope and aim of usability testing is measuring if a product meets this purpose with regards to a user. Testing is used in many fields, but I intend to focus on user-centered interaction design and how to test when designing and developing such a product. I provide a simple head-start to usability testing based off of my research. Usability testing is a technique used for evaluating a product by testing the product on users who are part of the respective …

Orthogonal Experimental Design Of Titanium Dioxide - Poly(Methyl Methacrylate) Electrospun Nanocomposite Membranes For Photocatalytic Applications, Andrew Vild, Sara Teixeira, Klaus Kuhn, Gianaurelio Cuniberti, Vitor Sencadas

Faculty of Engineering and Information Sciences - Papers: Part A

An orthogonal experimental method was designed to assess the influence of the electrospinning processing parameters on average diameter and distribution of poly(methyl methacrylate) (PMMA) fibers. Based on the orthogonal experimental design analysis, electrospun TiO2-PMMA nanocomposites were processed with the optimal polymer processing conditions to obtain thin fibers with a high overall surface area. Further it was found that the average fiber diameter decreases from 2.0 ± 0.5 down to 1.2 ± 0.2 μm with increasing photocatalyst content. Moreover, the wettability of samples was independent of the filler amount, and showed strong hydrophobic behavior. Thermogravimetric analysis showed that for polymer solutions …

Optimal Design Of Fixture Layout In A Multi-Station Assembly Using Highly Optimized Tolerance Inspired Heuristic, Satish Tyagi, Nagesh Shukla, Sumant Kulkarni

Faculty of Engineering and Information Sciences - Papers: Part A

The multi-station assembly (MSA) process requires auxiliary devices such as fixtures and clamps to accurately locate and firmly hold the workpiece in a desired position. Improper positioning of these fixtures and clamps affects the dimensional integrity of final product. This study determines the optimal design of fixture layout that minimizes the product dimensional variations caused by the manhandling and aging of auxiliaries. In order to model variation propagation from one assembly station to another in the MSA, a state space model is employed. Further, an E-optimality based sensitivity criterion is proposed to mathematically formulate and measure the quality of the …

Design And Development Of A Parametrically Excited Nonlinear Energy Harvester, Tanju Yildirim, Mergen H. Ghayesh, Weihua Li, Gursel Alici

Faculty of Engineering and Information Sciences - Papers: Part A

An energy harvester has been designed, fabricated and tested based on the nonlinear dynamical response of a parametrically excited clamped-clamped beam with a central point-mass; magnets have been used as the central point-mass which pass through a coil when parametrically excited. Experiments have been conducted for the energy harvester when the system is excited (i) harmonically near the primary resonance; (ii) harmonically near the principal parametric resonance; (iii) by means of a non-smooth periodic excitation. An electrodynamic shaker was used to parametrically excite the system and the corresponding displacement of the magnet and output voltages of the coil were measured. …

Thermal Performance Evaluation And Optimal Design Of Buildings With Integrated Air-Based Photovoltaic Thermal Collectors And Phase Change Materials Using The Hooke-Jeeves Pattern Search Method, Wenye Lin, Zhenjun Ma, Paul Cooper

Faculty of Engineering and Information Sciences - Papers: Part A

Over the last several decades, many low energy technologies have been developed and deployed to reduce building energy consumption. Among various solutions, solar photovoltaic thermal (PVT) collectors and phase change materials (PCMs) are among the most promising methods receiving increasing attention. This paper presents a thermal performance evaluation and optimal design of buildings integrated with air-based solar PVT collectors and PCMs embedded in the building envelope by using The Hooke-Jeeves pattern search method. The Hooke-Jeeves generalized pattern search is used to search for optimal solutions of the optimization problem. The variables optimized include the PVT air flow rate, additional wall …

Design-Oriented Stress–Strain Model For Concrete Under Combined Frp-Steel Confinement, G Lin, Tao Yu, Jin Guang Teng

Faculty of Engineering and Information Sciences - Papers: Part A

Extensive research has been conducted on fiber-reinforced polymer (FRP)-confined plain and RC columns, leading to a large number of stress–strain models. Most of these models have been developed for FRP-confined plain concrete and are thus applicable only to concrete in FRP-confined RC columns with a negligible amount of transverse steel reinforcement. The few models that have been developed for concrete under the combined confinement of FRP and transverse steel reinforcement are either inaccurate or too complex for direct use in design. This paper presents an accurate design-oriented stress–strain model for concrete under combined FRP-steel confinement in FRP-confined circular RC columns. …

Exploring Virtual World Innovations And Design Through Learner Voices, Sue Gregory, Brent Gregory, Marcus Mcdonald, Sasha Nikolic, Helen Farley, Judy O'Connell, Des Butler, Lisa Jacka, Scott Grant, Jay Jay Jegathesan

Faculty of Engineering and Information Sciences - Papers: Part A

Student voice has played a big role in shaping the development and measure of success/failure of virtual worlds in education. Data on past and ongoing educational uses and contexts of use of virtual worlds and associated student feedback was gathered via a survey of educational researchers specialising in virtual worlds. Introduced are a range of specific uses that provide the source of and context for student feedback. Ten major themes emerged from student voices that highlight strengths and weakness and point the way forward for both educators and the students themselves. Positive feedback highlighted experiences of both pedagogical design and …