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Now showing items 927-946 of 969

Unassisted aircraft landing via co-operative data exchange

Ragothaman, Vijay; Baloch, Fariha; Pendse, Ravi (Wichita State University. Graduate School., 2007-04-27)

The Air Traffic Controller (ATC) is required to maintain a safe and orderly flow of airplanes in any airport. A fairly recent incident at the Los Angeles Airport (LAX) caused a blackout to the entire control tower and ...
Unassisted aircraft landing via co-operative data exchange

Ragothaman, Vijay; Baloch, Fariha; Pendse, Ravi (IEEE, 2006-10-15)

The air traffic controller (ATC) is required to maintain a safe and orderly flow of airplanes in any airport. A fairly recent incident at the Los Angeles Airport (LAX) caused a blackout to the entire control tower and ...
Uncertain location routing problem (LRP) integrated to inventory considering space limitation

Sajjadi, Seyed Reza; Cheraghi, S. Hossein (Wichita State University. Graduate School., 2008-04-25)

An optimal supply chain management system has a direct effect on the performance of any enterprise and could result in substantial cost savings. Successful supply chain management involves many decisions relating to the ...
Undetectability of bridging faults and validity of stuck-at fault test sets

Kodandapani, K.L.; Pradhan, D.K. (IEEE, 1980-01-01)

The study of bridging faults (or short circuits that occur between conducting paths) has become increasingly important with the advent of LSI technology. To date, only a very few papers have been published on this topic. ...
A unified approach for continuous-time compensator design via a graphical user interface (GUI)

Cao, Minh; Watkins, John Michael; O’Brien, Richard T. (Wichita State University. Graduate School., 2007-04-27)

In the field of control theory, compensators are used when a control design does not meet the intended design specifications. Some examples of these design specifications could be percent overshoot (P.O.), settling time ...
A unified approach for finding the stability boundaries of PID controllers for arbitrary order continuous or discrete time plants with time delays

Lee, Taegyu (Wichita State University, 2007-07)

The object of this thesis was to find the stability regions for control of an arbitrary order continuous or discrete-time plan transfer function with time delay using a unified approach. The stability boundaries of the ...
A unified approach to stabilize an arbitrary order discrete or continuous time transfer function with time delay using a pi controller

Lee, Taegyu; Watkins, John Michael (Wichita State University. Graduate School., 2007-04-27)

The object in this paper is to find the stability regions of an arbitrary order discrete or continuous time transfer function with time delay. The stability bounds of the proportional integral (PI) controller are found ...
A unified procedure for continuous-time and discrete-time root locus and bode design

Emami, Tooran (Wichita State University, 2006-05)

As an alternative to the numerous distinct controller design algorithms in continuous-time and discrete-time classical control textbooks, a simple, unified design approach is presented for all standard continuous-time and ...
Use of a head component tester to evaluate the injury potential of an aircraft head-up display

DeWeese, Richard; Moorcroft, David; Thorbole, Chandrashekhar K.; Lankarani, Hamid M. (Taylor & Francis, 2011-08)

Title 14 of the Code of Federal Regulations Part 25, 25.785 requires that seats and adjacent parts of the airplane be designed so that occupants will not suffer serious injury during an emergency landing as a result of ...
Use of Euler parameters for the evaluation of ATD head trajectory from angular rate sensor and accelerometer data in aircraft seat certification testing

Huculak, Robert D.; Lankarani, Hamid M. (Taylor & Francis, Inc, 2013-04-01)

As part of the requirements of the US Federal regulations and the Society of Automotive Engineers (SAE) Aerospace Standard 8049B, when testing of the seat and adjacent parts of the aircraft may be impractical or unknown ...
Use of SPH and Lagrangian meshing technique to assess damage area in bumper shields impacted by hypervelocity space debris

Seram, Sai Bhargavi (2007-05)

Space debris are objects in Earth’s orbit consisting of fragments of spent rocket stages, non-functional satellites, and parts like fasteners, paint chips and other waste materials in the lower earth orbits (LEO) (200 – ...
User interaction in a power-wall based virtual reality environment

Deligiannidis, L.; Whitman, Lawrence (IEEE, 2003-03-22)

The Industrial and Manufacturing Engineering Department at Wichita State University is developing an integrated set of virtual reality models of a manufacturing line of Boeing Wichita. The purpose of this research is to ...
Using a value stream map to assess environmental impacts

Govindarajulu, Arun Prakkash (Wichita State University, 2009-12)

In today's competitive world, companies focus on eliminating wastes to increase their profit, growth and ensure customer satisfaction. Among the known wastes, environmental wastes are typically the least considered. ...
Using graphene in coating materials to prevent UV degradation on advanced composite materials

Zhang, Bangwei (Wichita State University. Graduate School, 2010-04-23)

The objective of the project presented here was to develop a new nanocomposite coating materials for protection of advanced fiber reinforced composite wind turbine blades against UV degradation and corrosion from weathering. ...
Using non-ideal gates to implement universal quantum computing between uncoupled qubits

Kumar, Preethika; Skinner, Steven R. (Springer, 2013-02)

In many physical systems, when implementing quantum gate operations unavoidable global and relative phases occur as by-products due to the internal structure of the governing Hamiltonian. To correct, additional phase ...
Using Rerouting to Improve Aggregate Based Resource Allocation

Helvaci, Ali E.; Cetinkaya, Coskun; Yildirim, Mehmet Bayram (Academy Publisher, 2008-06)

This paper studies the effect of rerouting for augmenting aggregate based resource allocation in the trade-off between overhead and utilization. Aggregation is a common approach used to address the scalability issue ...
Validation of the MPLS module in OPNET

Bhagavathula, Ravi; Thanthry, Nagaraja; Pendse, Ravi (OPNETWORK 2002, 2002-08)

MPLS is an emerging technology that combines layer 2 switching performance with layer 3 scalability. MPLS assigns labels to packets for transportation across a packet-switched or a circuit-switched network. The forwarding ...
Venom variation and chemoreception of the viperid Agkistrodon contortrix: evidence for adaptation?

Greenbaum, Eli; Galeva, Nadezhda; Jorgensen, Michael J. (Springer, 2003-08)

Previous studies of chemoreceptive behavior in vipers suggest that snakes focus on the scent of envenomated tissue to track their prey following envenomation. Other studies have indicated a correlation between qualitative ...
Vibroacoustic parametric analysis of honeycomb composite fuselage for improved transmission loss

Arjunan, Rajesh (Wichita State University, 2007-12)

Much research has been done on reducing the noise level within a honeycomb composite fuselage used in aircraft. The honeycomb composite fuselage has shown much promise for structural rigidity, but to reduce cabin noise, ...
Virtual reality: its usefulness for ergonomic analysis

Whitman, Lawrence E.; Jorgensen, Michael; Hathiyari, Kuresh; Malzahn, Don (IEEE, 2004-12)

This paper presents the results of an effort to compare results of an experiment performed in both a virtual and a real environment. The research question addressed is if virtual reality is a suitable tool for performing ...