Browsing Doctoral Dissertations by Issue Date
Now showing items 41-60 of 149
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Mechanics of machining metal matrix composites: analytical modeling and finite element simulation
(2015-01-01)Metal matrix composites (MMCs) are commonly utilized materials in various industries, including applications in aerospace and automotive industries, due to their outstanding strength-to-weight ratio and wear resistance. ... -
Development and analysis of solar energy based multigeneration systems
(2015-05-01)In this thesis three novel multigeneration energy systems are introduced based on renewable resources such as solar and wind energy. The results of the analyses show that, System 1 has a maximum energy efficiency of 43% ... -
Optimal resource sharing and spectrum leasing in energy efficient relay-assisted networks
(2015-07-01)Assuming a bidirectional relay assisted network, we first study the problem of optimal resource sharing between two transceiver pairs. One of the pairs, referred to as the primary pair, owns the spectral resources while ... -
Robotic radiation mapping using modelling and probabilistic analysis of sparse data
(2015-07-01)An approach for generating radiation intensity maps, comprised of a mobile robotic platform and an integrated radiation model, is presented, and its ability to generate accurate radiation maps in simulation studies as well ... -
Investigation of factors that influence coloration in polycarbonate based compounded plastics
(2015-08-01)Consistently producing compounded plastics in the correct colour without making adjustments of the colour formulation or the processing conditions is very challenging for coloured plastics manufacturers. Conversely, the ... -
Experimental and theoretical investigation of novel phase change materials for thermal applications
(2015-08-01)An experimental investigation is conducted to test the thermal properties, behaviour and characteristics of R134a clathrates with additives, as phase change materials (PCMs). PCMs’ charging characteristics are analysed and ... -
Energy storage management and load scheduling with renewable integration
(2015-08-01)In this dissertation, the energy storage management and load scheduling problems are studied. The main objective is to design real-time cost-effective control policies at a residential site with integrated renewable ... -
An advanced electrospinning method of fabricating nanofibrous patterned architectures with controlled deposition and desired alignment
(2015-11-18)We introduce a versatile advanced method of electrospinning for fabricating various kinds of nanofibrous patterns along with desired alignment, controlled amount of deposition and locally variable density into the ... -
Experimental investigation and modeling of lithium-ion battery cells and packs for electric vehicles
(2016-01-01)The greatest challenge in the production of future generation electric and hybrid vehicle (EV and HEV) technology is the control and management of operating temperatures and heat generation. Vehicle performance, reliability ... -
User behavior pattern based security provisioning for distributed systems
(2016-01-01)Behaviors of authorized users must be monitored and controlled due to the rise of insider threats. Security analysts in large distributed systems are overwhelmed by the number of system users, the complexity and changing ... -
Experimental investigation and analyses of continuous type hybrid photoelectrochemical hydrogen production systems
(2016-01-01)Hydrogen is a highly versatile energy carrier that may become one of the key pillars to support the future CO2-free energy infrastructure. When used in fuel cells, H2 is converted to water and it gives little or zero exhaust ... -
Design and optimization of dielectric resonator antenna arrays based on substrate integrated waveguide technology for millimeter-wave applications
(2016-05-01)With the lower frequency bands heavily crowded, the millimeter wave (MMW) frequency band has attracted a lot of attention, offering a wide range of applications. It also introduces new challenges to the research community. ... -
Performance improvement for robotic mechanisms by: synthesis design, dynamic balancing and adaptive control techniques
(2016-05-01)Robotics have been used in many arenas, such as manufacturing, medical, and space. Currently, the use of robotics is limited with respect to performance capabilities. Improving the performance of robotic mechanisms is a ... -
Analysis of the thermal hydraulics of a multiphase oxygen production reactor in the Cu-Cl cycle
(2016-06-01)In the thermochemical water splitting process by Cu-Cl cycle, oxygen gas is produced by an endothermic thermolysis process in a three-phase reactor. In this thesis, the required heat for the thermolysis process is provided ... -
Sparse signal representation based algorithms with application to ultrasonic array imaging
(2016-06-01)We address one- and two-layer ultrasonic array imaging. We use an array of transducers to inspect the internal structure of a given specimen. In the case of one-layer imaging we also address the problem of mode conversion. ... -
Coordinated control of active safety systems for multi-trailer articulated heavy vehicles
(2016-06-01)To improve the directional performance of multitrailer articulated heavy vehicles (MTAHVs), the model-based active safety systems, including the active trailer steering, trailer differential braking and the active roll ... -
A framework of image processing for image-guided procedures
(2016-07-01)Contrary to the cases of open surgery, during minimally invasive procedures, surgeons have no direct access or very limited access to the operative site and can only visualize the site and the focal region with the aid of ... -
Design and implementation of an inductive power transfer system for wireless charging of future electric transportation
(2016-08-01)The motivation of this thesis was to formulate clear design guidelines for fabrication and control of an efficient series-series resonant inductive power transfer (SS-RIPT) system for electric vehicle battery charging ... -
Development of thermoplastic foams with heterogeneous cellular structures for acoustic applications
(2016-08-01)Manufacture of heterogeneous thermoplastic foams is of great interest to damp low frequency noise in transportation and building industries. Most of the fabrication methods reported either use cumbersome batch processes ... -
Analysis and evaluation of transactive energy control in active distribution systems
(2016-10-01)The electric power distribution system is experiencing significant operational changes due to the integration of plug-in electric vehicles and intermittent distributed energy resources such as rooftop solar photovoltaics. ...