Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 104-123 of 916
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Attitude Stabilization of Spacecraft Using Moving Masses
(2019-07-18)This research investigates the ability of stabilizing spacecraft rotational motion by internal mass actuation. The mass actuation mechanism consists of three internal masses placed along the three axes at some offset ... -
ATTRACTION, TRANSPORT AND RELEASE OF WATER FLEAS’ EPHIPPIA FOR MIGRATION
(2020-08-11)Planktonic crustaceans of the genus Daphnia live in aquatic environments. Although they are lack of walking and flying capabilities, they have developed adaptations that facilitate the dispersal of their dormant forms, ... -
AUTOMATED LATTICE OPTIMIZATION OF HINGE FITTING WITH DISPLACEMENT CONSTRAINT
(2016-11-29)Additive manufacturing enables fabrication of complex lattice cell structures that are not manufacturable using conventional methods. In order to exploit this lattice capability in structural designs, the effect on ... -
Automated System for the Characterization of the Biomechanical Properties of Human Soft Tissue
(2016-12-20)Vaginal prolapse is a common condition that affects a large number (approximately 3.3 million in the US) of women, mainly above the age of 50 years. The condition is characterized by the weakening and breakdown of the ... -
Automatic Carrier Landing System For V/STOL Aircraft Using L1 Adaptive And Optimal Control
(2015-12-14)This thesis presents a framework for developing automatic carrier landing systems for aircraft with vertical or short take-off and landing capability using two different control strategies - gain-scheduled linear optimal ... -
Automating Aerospace Synthesis Code Generation A Tool for Generic Vehicle Design and Technology Forecasting
(2021-01-08)The principal development and deliverable of this research is a generic synthesis assembling decision support environment for early conceptual design that automates the assembly of synthesis architectures for enhanced ... -
AUTONOMOUS AERIAL VEHICLES DISTRIBUTED CONTROL AND INTERACTIVE GAMES
(2022-04-05)As the number of quadrotors and other Unmanned Aerial Vehicles (UAVs) increases in industrial and urban areas, the development of reliable engineering methods to control their behavior as they interact with each other ... -
Autonomous And Cooperative Multi-UAV Guidance In Adversarial Environment
(Aerospace Engineering, 2007-08-23)The research presented in this dissertation is aimed at developing rule-based autonomous and cooperative guidance strategies for UAVs to perform missions such as path planning, target tracking and rendezvous while ... -
AUTONOMOUS CARRIER LANDING OF A FIXED-WING UAV WITH AIRBORNE DECK MOTION ESTIMATION
(2019-12-06)This study focuses on the design, implementation, and evaluation of an autonomous carrier landing system featuring an airborne deck motion estimation module. The three-dimensional dynamics of a fixed-wing UAV with the ... -
Autonomous Guidance of Unmanned Combat Air Vehicles in Basic Fighter Maneuvering
(2022-01-10)Basic fighter maneuvering, or BFM, is the dynamic engagement of two or more aircraft in close-range air combat. The relatively recent introduction of advanced unmanned combat air vehicles (UCAVs) has opened the possibility ... -
Axial Wave Propagation In Truncated Cones
(Mechanical Engineering, 2011-03-03)While dealing with problems of impact analysis, where the force is dependent on the time, one can use the transient analysis to compute the response. Transient wave propagation has drawn interest from a long time mainly ... -
BACKSTEPPING APPROACH FOR DESIGN OF CASCADED PID CONTROLLER WITH GUARANTEED TRAJECTORY TRACKING PERFORMANCE FOR MICRO-AIR UAV
(2019-12-04)Flight controllers for micro-air UAVs are generally designed using Proportional- Integral-Derivative (PID) methods, where the tuning of gains is difficult and time-consuming, and performance is not guaranteed. In this ... -
Bayesian Statistics and Information Fusion for GPS-Denied Navigation
(2015-11-24)It is well known that satellite navigation systems are vulnerable to disruption due to jamming, spoofing, or obstruction of the signal. The desire for robust navigation of aircraft in GPS-denied environments has motivated ... -
Biomechanical Analysis Of The Cornea To Improve Post Surgical Outcomes Through Finite Element Analysis
Vision deterioration is a major healthcare concern. It is estimated that one in three persons develops some form of vision reducing eye disease by the age of 65 and these numbers are expected to increase. Deterioration in ... -
BOARD LEVEL FLEXURAL RELIABILITY TESTING AND FAILURE ANALYSIS OF PRINTED CIRCUIT BOARDS WITH WCSP PACKAGES
(2015-12-09)Printed circuit boards, widely known as PCBs; are the skeleton behind every technology today. Electronics have integrated with every other engineering domain to improve the outcomes. It is very important that they remain ... -
Board Level Reliability Assessment Of Thick Fr-4 QFN Assemblies Under Thermal Cycling
(Mechanical Engineering, 2014-12)Quad Flat No-Lead (QFN) packages gained popularity in the industry during the last decade or so due to its superior thermal/electrical characteristics, low cost and compact size. QFN packages are widely used in handheld ... -
Board Level Solder Joint Reliability Assessment Study of Megtron 6 Vs FR-4 Under Power Cycling and Thermal Cycling
High frequency laminates like Nelco N4000-13, Isola FR408 and Panasonic Megtron 6 packages gained popularity among the industry due to better and improved electrical performances, Improved impedance control, low moisture ... -
Buckling Analysis Of Thin Plates With Or Without A Hole Under Arbitrary Boundary Conditions Using The Galerkin Method
(Mechanical Engineering, 2012-04-11)This thesis demonstrates how to find the critical buckling load value of thin plates with or without a hole under different boundary conditions using the Galerkin method. The use of symbolic software is essential due to ... -
Buckling And Post Buckling Of Structural Components
(Mechanical Engineering, 2011-03-03)Structural members and components, such as shells and trusses of different geometries, form the intricate and deep seated parts in the manufacturing of missiles submarines, rockets, airplanes, automobiles etc and find ... -
Buckling Load Optimization of Variable stiffness composite Plate Using FEM and Semi-analytical method
(2022-01-03)The advent of new composite manufacturing techniques like Automated Fiber Placement (AFP) offers greater flexibility in structural designs by allowing curvilinear fiber paths. Hence, it is now possible to change laminate ...