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A development environment for operational concepts and systems engineering analysis.

Description: The work reported in this document involves a development effort to provide combat commanders and systems engineers with a capability to explore and optimize system concepts that include operational concepts as part of the design effort. An infrastructure and analytic framework has been designed and partially developed that meets a gap in systems engineering design for combat related complex systems. The system consists of three major components: The first component consists of a design environment that permits the combat commander to perform 'what-if' types of analyses in which parts of a course of action (COA) can be automated by generic system constructs. The second component consists of suites of optimization tools designed to integrate into the analytical architecture to explore the massive design space of an integrated design and operational space. These optimization tools have been selected for their utility in requirements development and operational concept development. The third component involves the design of a modeling paradigm for the complex system that takes advantage of functional definitions and the coupled state space representations, generic measures of effectiveness and performance, and a number of modeling constructs to maximize the efficiency of computer simulations. The system architecture has been developed to allow for a future extension in which the operational concept development aspects can be performed in a co-evolutionary process to ensure the most robust designs may be gleaned from the design space(s).
Date: March 1, 2004
Creator: Raybourn, Elaine Marie & Senglaub, Michael E.
Partner: UNT Libraries Government Documents Department

Military airborne and maritime application for cooperative behaviors.

Description: As part of DARPA's Software for Distributed Robotics Program within the Information Processing Technologies Office (IPTO), Sandia National Laboratories was tasked with identifying military airborne and maritime missions that require cooperative behaviors as well as identifying generic collective behaviors and performance metrics for these missions. This report documents this study. A prioritized list of general military missions applicable to land, air, and sea has been identified. From the top eight missions, nine generic reusable cooperative behaviors have been defined. A common mathematical framework for cooperative controls has been developed and applied to several of the behaviors. The framework is based on optimization principles and has provably convergent properties. A three-step optimization process is used to develop the decentralized control law that minimizes the behavior's performance index. A connective stability analysis is then performed to determine constraints on the communication sample period and the local control gains. Finally, the communication sample period for four different network protocols is evaluated based on the network graph, which changes throughout the task. Using this mathematical framework, two metrics for evaluating these behaviors are defined. The first metric is the residual error in the global performance index that is used to create the behavior. The second metric is communication sample period between robots, which affects the overall time required for the behavior to reach its goal state.
Date: September 1, 2004
Creator: Feddema, John Todd; Byrne, Raymond Harry & Robinett, Rush D. III
Partner: UNT Libraries Government Documents Department

The Destruction of a Society: A Qualitative Examination of the Use of Rape as a Military Tool

Description: This thesis explores the conditions under which mass rapes are more likely to be incorporated into the strategy of military or paramilitary groups during periods of conflict. I examine three societies, Rwanda , the former Yugoslavia , and Cambodia in a comparative analysis. To determine what characteristics make societies more likely to engage in rape as a military tool, I look at the status of women in the society, the religious cultures, the degree of female integration into the military institutions, the cause of the conflicts, the history of the conflict, and finally, the status of minority ethnic groups in each of these societies.
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Date: December 2004
Creator: Finley, Briana Noelle
Partner: UNT Libraries