Browsing Engineering by Type "Thesis"
Now showing items 1-20 of 852
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A bluetooth-enabled, light weight, flexible epidermal electronic system for ECG monitoring
(Wichita State University, 2022-12)With 17.9 million deaths annually, cardiovascular diseases (CVDs) have become the leading cause of mortality worldwide. This increased death rate creates a significant need for long-term ambulatory ECG monitoring for early ... -
A comprehensive cost estimation for additive manufacturing
(Wichita State University, 2021-07)Additive Manufacturing (AM) is an emerging manufacturing method by which Computer-Aided Design (CAD) models are directly made into products and structures. Layers of material, such as polymers, metals, ceramics, composites, ... -
A comprehensive iterative design, simulation and finite element analysis of bare metal stent and diseased artery
(Wichita State University, 2015-12)Fatigue is a material failure due to cyclic forces acting upon said material. Fatigue can make the material fail before the stresses reach ultimate tensile strength or fracture strength. Intravascular coronary stent are ... -
A computational methodology for evaluation of the structural damage to a car and its occupant response for the new FMVSS 301R regulation as well as for various real-world rear-end collision scenarios
(Wichita State University, 2017-12)Due to requirements and continuous design improvement in automobile industries, it has become mandatory to keep passenger car and seating in automobile to safest at the time of a crash collisions. Although the rear-end ... -
A computational study of the dynamic responses of a composite versus a metallic aircraft fuselage structure in vertical impact along with examination of inclusion of struts and injury prediction of occupants
(Wichita State University, 2015-07)In recent years, the study on crashworthiness of aircraft fuselage section has been of great interest due to the increase in air travel and demand for occupant safety. The FAA conducted a series of drop tests on aircraft ... -
A computational study on static and unconstrained dynamic rollover crash tests of a mid-size SUV for various initial rollover parameters
(Wichita State University, 2018-05)In terms of frequency of accidents, rollover crashes are uncommon among all other crash types or directions. However, they are associated with highest fatality rate than any other crashes, as 33% of fatalities in automobile ... -
A design of experiment and Kriging-based model for studying the dynamics of multibody mechanical systems with revolute joint clearance
(Wichita State University, 2013-05)Over the last two decades, extensive work has been conducted to study the dynamic effect of the joint clearances in multibody mechanical systems. In contrast, little work has been devoted to optimize the performance of ... -
A flexible application layer approach to data aggregation
(Wichita State University, 2014-07)Data aggregation techniques traditionally utilize cross-layer optimizations, which prove challenging to implement and are applicable only to a few related scenarios, while each new scenario requires a new approach. Proposed ... -
A generic Bayesian approach using Laplace approximation for model-based failure prognosis
(Wichita State University, 2013-12)A generic Bayesian framework using Laplace approximation for model-based remaining useful life prognosis is presented in this thesis. The developed generic Bayesian prognosis approach models and updates the remaining useful ... -
A hybrid finite element analysis of shot peen contour forming using residual stress measurements
(Wichita State University, 2013-07)In order to develop surfaces that have the proper curvature for aerospace structures, it is sometimes necessary to use shot peen forming, also known as contour forming, to create the desired shape in a piece of metal. Since ... -
A hybrid imperialist competitive algorithm approach to solve a green vehicle routing problem
(Wichita State University, 2017-05)One of the most significant extension problems of the vehicle routing problem (VRP) is the heterogeneous fixed fleet vehicle routing problem (HFFVRP), which aims to provide service to a specific customers' group using a ... -
A machine learning framework to predict subcellular morphology of endothelial cells for digital twin generation
(Wichita State University, 2022-05)Gaining insight into different cell behaviors is key to better understanding different pathologies. These behaviors may be explained in part through close observation of 3D cell morphology. Therefore, the objective of this ... -
A mattress contact model for a musculoskeletal simulation of human rolling
(Wichita State University, 2020-07)Limited mobility affects a lot of people, including those who have recently had surgery or major trauma, the geriatric population, and people with disabilities. Many people with limited mobility cannot reposition themselves ... -
A method for generating near optimal t-closed equivalence classes
(Wichita State University, 2021-05)A huge volume of data emanates from various digital sources, this data having sensitive information is being stored and released for purposes that serve the common good through the advancement of knowledge. Organizations ... -
A method of analysis for deriving a single propeller by means of multiple engines remotely located
(Wichita State University, 1948-05)An investigation of a dual engine drive to one propeller is presented. Two engines, one on each side of a common gear box and separated from it by clutch assemblies, provide the energy for the extension shaft. This shaft ... -
A mobile enabled micro communication device for biosensing
(Wichita State University, 2017-12)In the recent decade, the e-health care industry has seen a rapid growth in state-of-the-art advancement in many related fields. The ability of biosensors to stimulate and continuously monitor vital organs has proven to ... -
A new algorithm to generate low-thrust spacecraft trajectories
(Wichita State University, 2014-12)All-electric satellites are gaining favor among the manufacturers and operators of satellites in Geostationary Earth Orbit (GEO) due to cost saving potential. These satellites have the capability of performing all propulsive ... -
A noninvasive, electromagnetic, epidermal sensing system for biofluid phenomena detection
(Wichita State University, 2019-12)Health-care technologies for non-invasive monitoring of vital parameters like blood pressure and heart rate are widely used due to their capability to function as a point-of-care device. However, most of these devices are ... -
A novel approach to identify the difference in kinematic behavior of human model lower extremities with respect to muscle activation during impact crash responses using OpenSim
(Wichita State University, 2017-12)The main objective of this thesis is to develop a computational human musculoskeletal model to investigate the change in the kinematic behavior of the model's lower extremities under the influence of activated (active) and ... -
A novel spoofing detection methodology using acoustics and liveness monitoring system
(Wichita State University, 2014-12)Standard networking protocols can be very vulnerable to spoofing attacks when extra precautions are not taken by applications to verify the identity. There are several ways to spoof the facial recognition using photograph, ...