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Now showing items 11-20 of 608
Time Synchronization In Network-centric Sensor Networks
(Electrical Engineering, 2007-08-23)
Time synchronization is a crucial component of infrastructure for wireless sensor networks (WSN). Most applications of WSNs make extensive use of time synchronization, for accurate timestamping of events, coordinate ...
Wireless Sensor Network Testbed: Measurement And Analysis
(Electrical Engineering, 2007-08-23)
Energy conservation is critical in Wireless Sensor Networks. Replacing or recharging batteries is not an option for sensors deployed in hostile environments. Generally communication electronics in the sensor utilizes most ...
Decision And Control In Distributed Cooperative Systems
(Electrical Engineering, 2008-09-17)
This dissertation presents novel matrix-based approaches for decision and control in distributed cooperative systems such as wireless sensor networks. A novel matrix-based Discrete Event Controller has been implemented for ...
Collision Detection And Penetration Depth Calculation In Virtual Surgical Simulation
(Electrical Engineering, 2009-09-16)
Virtual Reality (VR) based surgical simulators create a simulated, realistic three dimensional surgical environments using advanced graphic and haptic rendering techniques. Virtual objects, which are geometric surface ...
Time-varying Feedback Systems Design Via Diophantine Equation Order Reduction
(Electrical Engineering, 2008-04-22)
Diophantine equation plays an important role in the design and synthesis of feedback compensators. Many methods have been developed to solve the Diophantine equation. This dissertation develops a new systematic approach ...
Integrated MEMS Microsensors
(Electrical Engineering, 2008-04-22)
Many Micro-Electro-Mechanical Systems (MEMS) products have been commercialized at a fraction of the cost and size of conventional devices. Low cost, small sizes and multi-function are the ultimate objectives of commodity ...
A Novel Method For Major Harmonic Sources Identification In High Voltage Transmission Systems
(Electrical Engineering, 2010-03-03)
Due to the proliferation of high-voltage power electronics devices and nonlinear loads connected to power systems, the penetration of produced harmonics into power transmission networks to pollute power quality of power ...
Effects Of Voltage Unbalance And System Armonics On The Performance Of Doubly Fed Induction Wind Generators
(Electrical Engineering, 2009-09-16)
Inherent difficulties in management of electric power in the presence of an increasing demand for more energy, non-conventional loads such as digital appliances, and non-sustainable imported fossil fuels has initiated a ...
Battery Identification Methods Based On Equivalent Circuit Model
(Electrical Engineering, 2010-03-03)
Development of an intelligent battery diagnostic system is a necessity for future transportation industry. These technologies will have the potential to create profound impact in other industries such as portable electronics. ...
A Hybrid Method For Identifying And Estimating Key Dynamic Parameters For Exciters, Pss And Governors Based On Event-recorded Measurements On-line Measurements
(Electrical Engineering, 2010-03-03)
Following the power market deregulation, power systems have become more complex and are found to be consistently operating closer to their stability limits. Power system dynamic modeling and studies which provide significant ...