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Articles 91 - 95 of 95
Full-Text Articles in Business
Demonstration Of Improved Software Support Labor Estimation For Air Force Operational Flight Programs Through Functional Orientation, Ronald R. Warner Jr., Darrel L. Wright
Demonstration Of Improved Software Support Labor Estimation For Air Force Operational Flight Programs Through Functional Orientation, Ronald R. Warner Jr., Darrel L. Wright
Theses and Dissertations
This study demonstrated two approaches to improve current software support effort estimation models for aircraft software. Both approaches involved a functional orientation not used by existing models. The first approach demonstrated how to orient a model to reflect the block change cycle modification process and how to represent support effort changes over time in order to improve effort estimation accuracy. Current software models do not reflect the support environment or the temporal characteristics of aircraft software support. The second approach demonstrated how to calibrate a model by properly selecting source data in order to increase accuracy. Support calibration is not …
Benchmarking Practices Of Air Cargo Carriers: A Case Study Approach, Mila D. Abalateo, Joni R. Lee
Benchmarking Practices Of Air Cargo Carriers: A Case Study Approach, Mila D. Abalateo, Joni R. Lee
Theses and Dissertations
This research effort used the benchmarking process and a case study methodology to determine what the Air Force can learn from commercial air cargo carriers. A literature search showed that the U.S. air cargo industry leaders are United Parcel Service, Federal Express, Emery Air Freight, Airborne Freight, DHL Airways, and Burlington Air Express. In addition, the 436th Aerial Port Squadron at Dover AFB, Delaware was chosen as the Air Force representative in the benchmarking study. Observations of air cargo operations and interviews with operational managers or applicable experts familiar with air cargo operations were conducted at each carrier's hub and …
Scheduling Air Mobility Command's Channel Cargo Missions, Gregory S. Rau
Scheduling Air Mobility Command's Channel Cargo Missions, Gregory S. Rau
Theses and Dissertations
Through the use of a linear programming model, this research revised the initial schedule for AMC's channel cargo missions to eliminate any excess delay enroute by minimizing the cumulative, weighted time-in-system for all cargo, according to a given cargo flow. In fact, the revised schedule minimizes any assigned nonnegative weighting of the time-in-system, due to the properties of equivalent measures of performance. When combined with Step One of a proposed two-step process for revising AMC's channel mission schedule, this research can be used to improve the current schedule based on Step One's cargo flow. By carefully defining the notation and …
An Analysis Of Tactical Airlifter Characteristics And Their Impact On Theater Airlift System Performance, John J. Koger
An Analysis Of Tactical Airlifter Characteristics And Their Impact On Theater Airlift System Performance, John J. Koger
Theses and Dissertations
This study used computer simulation and Response Surface Technology to determine what tactical airlifter characteristics most impact theater airlift system performance in a Southwest Asia (SWA) scenario. Some Aircraft characteristics were grouped into functional sets, while others were considered individually. After screening one characteristic, reliability, with a two-level factorial experiment, a Box-Behnken design was used to estimate second-order metamodels. A stepwise regression procedure indicated that, if attrition rates are ignored, airlift system performance is most impacted by the aircraft's size, survivability, cruise speed, and ability to operate on short fields. The SWA scenario used in this study covers a large …
Determining Cargo Flow For Air Mobility Command's Channel Cargo System., Michael Del Rosario
Determining Cargo Flow For Air Mobility Command's Channel Cargo System., Michael Del Rosario
Theses and Dissertations
This research investigated using a multiperiod multicommodity minimal cost flow (M2MCF) formulation to model the channel cargo system of the United States Air Force's Air Mobility Command (AMC). The objective of this research was to determine how cargo should flow in the channel cargo system in order to minimize the cargo's delay enroute from its origin to its destination. This research showed the size of an M2MCF model of the channel cargo system exceeds AMC's computational capabilities. Additionally, this research describes three approaches to reduce the problem size. Because of the problem size and other modeling limitations discovered during this …