Honeycomb materials possess high energy absorption characteristics and are useful for the impact protection of structural members. Various honeycomb configurations are being developed for a variety of applications. Analytical ...

A number of laws have been passed in recent decades governing the wiretapping and interception of conversations on the PSTN and recently the internet. The Communications Assistance for Law Enforcement Act (CALEA) passed ...

A graphical technique for finding proportional integral derivative (PID) controllers that stabilize a given single-input-single-output (SISO) linear time-invariant (LTI) system of any order system with time-delay has ...

The field of multibody simulations has seen great strides in recent years. Most multibody simulations are carried out under the assumption that the joints involved are ideal. However many real joints are not ideal; they ...

In this research work two contributions to the area of analog to digital data converters have been discussed. The area of focus is the RSD-Cyclic and sigma-delta ADC. First a novel hybrid RSD-Cyclic-sigma-delta architecture ...

This research is aimed at the development and application of an immersive virtual reality environment (IVE) for performing assembly and maintenance simulations using the Jack® software package. The Flock of Birds™ motion ...

This research involved the design of a position control system, based on a new method of observer-adaptive friction compensation, for a fuel valve that controls the flow of gas in large turbines. This fuel valve is ...

In the present study, the mid-field vortex wake is investigated. For the most part, the results focus on the motion of a pair of co-rotating vortices prior to merger, both in and out of ground effect. However, in order to ...

The electric power industry produces substantial amounts of carbon dioxide (CO2) as well as other greenhouse gas (GHG) emissions. Recent GHG regulations along with renewable portfolio standards encourage the integration ...

This dissertation presents the results of an investigation into the corrosion resistance of friction stir welding (FSW) for aerospace structures. Two of the most common aerospace aluminum alloys, 2024 and 7075, were ...