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Articles 91 - 107 of 107
Full-Text Articles in Systems Engineering
Goal Approach To Risk Scenario Identification In Systems Development, Cesar Ariel Pinto, Andreas Tolk, Rafael Landaeta
Goal Approach To Risk Scenario Identification In Systems Development, Cesar Ariel Pinto, Andreas Tolk, Rafael Landaeta
Engineering Management & Systems Engineering Faculty Publications
The scope of this paper is the exploration of fundamental issues in identifying risk scenarios during systems development. Systems development refers to a series of processes which span conceptualization, designing the architecture, obtaining the elements, and eventually integrating all these elements into the fully developed final system. For truly sustainable and green systems, identifying risk scenarios early and continuously over the system development processes is vital. This paper contains various descriptions of risk from the project (i.e. programmatic) and technical perspectives, an exploration of the generally accepted risk management process, and how these relate to systems development through system goals. …
Towards A Center For Modeling And Simulation: The Case For Jordan, Ghaith Rabadi, Hazem Kaylani, Joseph Barjis (Ed.), Murali Mohan Narasipuram (Ed.), Ghaith Rabadi (Ed.), Jolita Ralyt (Ed.), Pierluigi Plebani (Ed.)
Towards A Center For Modeling And Simulation: The Case For Jordan, Ghaith Rabadi, Hazem Kaylani, Joseph Barjis (Ed.), Murali Mohan Narasipuram (Ed.), Ghaith Rabadi (Ed.), Jolita Ralyt (Ed.), Pierluigi Plebani (Ed.)
Engineering Management & Systems Engineering Faculty Publications
Modeling and Simulation (M&S) has recently become an important area that is pursued by many researchers and practitioners due to the role it plays in understanding complex systems and problems. We have therefore witnessed the establishment of many M&S organizations in the last two decades especially in the more developed world. Less developed countries are starting to recognize the need for such capability especially that the problems they face are not less complex. In this paper, we present a preliminary study towards a business plan for establishing a scientific center for Modeling, Analysis, Simulation and Animation in Jordan (JoSAMA) and …
Development Of A Framework To Evaluate Human Risk Towards Sustainable Risk Management, Ra'ed M. Jaradat, Rani A. Kady, C. Ariel Pinto
Development Of A Framework To Evaluate Human Risk Towards Sustainable Risk Management, Ra'ed M. Jaradat, Rani A. Kady, C. Ariel Pinto
Engineering Management & Systems Engineering Faculty Publications
Risk managers are constantly faced with the challenge of making decisions at various levels of their organizations. One of the challenges, which often times is unavoidable, lies in assigning a monetary value to human risks. Such challenge necessitates engineering managers to make educated decisions on the level of risk that the organizations and businesses should accept when it comes to human. The purpose of this study is to suggest a suitable framework that captures this aspect of engineering Risk Management in order to make rational and sustainable decisions about such assessed risk. This will be accomplished by exploring the tools, …
Project And Risk Management: A Systematic Approach, Baqer Alali, C. Ariel Pinto, Andreas Tolk, Rafael Landaeta
Project And Risk Management: A Systematic Approach, Baqer Alali, C. Ariel Pinto, Andreas Tolk, Rafael Landaeta
Engineering Management & Systems Engineering Faculty Publications
The main purpose of this paper is to discuss three related topics of project management, systems management, and risk management. The issue that would be addressed in this paper is how risks are addressed in project and systems management, and how risks are propagated between projects and systems. A framework is proposed to overcome the problem of risk propagation from project to the systems. It was shown that the proposed framework can be deployed to existing risk management process with reasonable interventions (e.g. process prescribed by PMI). Finally a proof-of-concept application shows potential of the framework for various types of …
Implementing A Functional Iso 9001 Quality Management System In Small And Medium-Sized Enterprises, Andres Sousa-Poza, Mert Altinkilinc, Cory Searcy
Implementing A Functional Iso 9001 Quality Management System In Small And Medium-Sized Enterprises, Andres Sousa-Poza, Mert Altinkilinc, Cory Searcy
Engineering Management & Systems Engineering Faculty Publications
This conceptual paper provides guidance for the implementation of a functional ISO 9001 quality management system (QMS) in small and medium-sized enterprises (SMEs). To help a SME understand its starting point, four initial states for QMS implementation are defined. Five paths for moving the QMS from the initial state to the desired state are described. To support the transition from the initial to the desired state, some key considerations in implementing a QMS in SMEs are discussed. The paper is based on site visits and implementation assistance the authors have provided to several SMEs. It is anticipated the paper will …
Sensitivity Analysis Framework For Large And Complex Simulation Models, Ghaith Rabadi, Shannon Bowling, Charles Keating, Resit Unal
Sensitivity Analysis Framework For Large And Complex Simulation Models, Ghaith Rabadi, Shannon Bowling, Charles Keating, Resit Unal
Engineering Management & Systems Engineering Faculty Publications
In this paper, a framework for conducting Sensitivity Analysis (SA) on large and complex simulation models is introduced. The framework consists of components that are designed to make the SA a systematic process that is easy to manage and follow by simulation analysts and practitioners. Unlike local SA (one-variable-at-a-time SA), the method presented here is variance-based and it is rooted in the field of Design of Experiments (DoE) where Input Variables are varied and Output Variables are measured. Based on the DoE results, a risk scoring system is developed to identify the sensitivity of the Input Variables, and as a …
Rapid Sensor Technology: A Risk And System Complexity Analyses Of Early Detection Of Influenza-Like-Illnesses, Cesar Ariel Pinto, Ipek Bozkurt
Rapid Sensor Technology: A Risk And System Complexity Analyses Of Early Detection Of Influenza-Like-Illnesses, Cesar Ariel Pinto, Ipek Bozkurt
Engineering Management & Systems Engineering Faculty Publications
The development of effective and reliable methods to defend the nation against biological terrorism remains an urgent challenge to researchers in the areas of risk, bio-defense, public health, and emergency medicine. The emerging threat of the avian flu pandemic also highlights the unpreparedness of our nation's health care system to meet a highly contagious and infectious disease outbreak. The implementation of a rapid sensor technology for early detection of influenza-like-illness provides possible opportunities, as well as problems. Bounding and defining such a complex problem is one of the first challenges this research addresses. Approaching this problem from various perspectives such …
An Integrated Framework For Modeling And Simulation Of The U.S. Southern Border: A Border Patrol Perspective, Shannon R. Bowling, Ghaith Rabadi, Charles Keating
An Integrated Framework For Modeling And Simulation Of The U.S. Southern Border: A Border Patrol Perspective, Shannon R. Bowling, Ghaith Rabadi, Charles Keating
Engineering Management & Systems Engineering Faculty Publications
Border Security is a complex system consisting of many interrelated components that must function as a whole in order to be effective. The efficacy of border security is dependent on several independent agencies; these include U.S. Customs and Border Patrol (CBP), Immigration and Customs Enforcement (ICE), the Department of Justice (DOJ), state and local law enforcement, and many others. Border security is not only a function of how well each of the agencies perform individually but also how well they interact to accomplish a goal. This paper attempts to model border security from a Border Patrol (BP) perspective using discrete …
A Dynamic Heuristic For The Stochastic Unrelated Parallel Machine Scheduling Problem, Jean-Paul Arnaout, Ghaith Rabadi, Ji Hyon Mun
A Dynamic Heuristic For The Stochastic Unrelated Parallel Machine Scheduling Problem, Jean-Paul Arnaout, Ghaith Rabadi, Ji Hyon Mun
Engineering Management & Systems Engineering Faculty Publications
This paper addresses the problem of batch scheduling in an unrelated parallel machine environment with sequence dependent setup times and an objective of minimizing the total weighted mean completion time. The jobs' processing times and setup times are stochastic for better depiction of the real world. This is a NP-hard problem and in this paper, new heuristics are developed and compared to existing ones using simulation. The results and analysis obtained from the computational experiments proved the superiority of the proposed algorithm PMWP over the other algorithms presented.
Management Of System Of Systems Engineering: System Of Systems Engineering Requirements, Charles Keating, Andres Sousa-Poza, Samuel Kovacic
Management Of System Of Systems Engineering: System Of Systems Engineering Requirements, Charles Keating, Andres Sousa-Poza, Samuel Kovacic
Engineering Management & Systems Engineering Faculty Publications
Traditional systems engineering focuses efforts on developing requirements that are assumed to be objective, definitive, and unwavering. However, the function, development, and utilization of requirements for System of Systems Engineering (SoSE) do not have the level of maturity or sophistication as traditional systems engineering. To avoid miscalculation of the nature and role of requirements in SoSE, a closer examination is necessary. It would be presumptuous to assume that SoSE requirements are a simple extrapolation of traditional systems engineering requirements. The purpose of this paper is to explore the nature of requirements from a SoSE perspective. This examination is concentrated in …
Software Development Project Risk Management: A Literature Review, Kevin Macg. Adams, C. Ariel Pinto
Software Development Project Risk Management: A Literature Review, Kevin Macg. Adams, C. Ariel Pinto
Engineering Management & Systems Engineering Faculty Publications
The rapid and unprecedented growth in software has brought with it some of the most spectacular and costly project failures in modern history. How risk management is presented in the scholarly journals may give insight into the risk management methods and techniques in use on software development projects. This paper provides a glimpse into the risk management methods, methodologies and techniques available to those who are responsible for software development projects by conducting a non-experimental content analysis. The findings reveal that risk management has not received sufficient attention and does not appear to be widely accepted within the software engineering …
Development Of A System Of Systems Engineering Method, Ji Hyon Mun, Morgan Henrie, Yaneth Correa, Charles Keating, Andres Sousa-Poza
Development Of A System Of Systems Engineering Method, Ji Hyon Mun, Morgan Henrie, Yaneth Correa, Charles Keating, Andres Sousa-Poza
Engineering Management & Systems Engineering Faculty Publications
Systems engineers have been facing challenges with the design and analysis of multiple complex systems. System of Systems Engineering has emerged to assist in this challenge with the systemic analysis, design, and transformation of complex metasystems. This paper outlines a proposed method to overcome these challenges, which is grounded in System of Systems Engineering principles and methodology. An overview of System of Systems Engineering will be provided for understanding of its significance and the attempt to complement Systems Engineering efforts in dealing with the aforementioned challenges. Finally, discussion on the proposed method, with respect to complex system analysis, is provided.
Management Of Extremes In The Configuration Of Interoffice Telephone Switch & Priority Systems, C. Ariel Pinto
Management Of Extremes In The Configuration Of Interoffice Telephone Switch & Priority Systems, C. Ariel Pinto
Engineering Management & Systems Engineering Faculty Publications
This paper describes how to enable diverse enterprise customers for voice-data switch to achieve in configuration a balance among users, features, and perceived reliability subject to extremes of traffic. The analysis entailed the simulation of the voice-data switch with embedded priority system, generation of latency times for various configurations and transaction traffic rates, and the development of a framework and theoretical propositions for configuration of super-saturated systems. It was shown that the concept of tolerance levels defined in the risk of extreme events can be applied for embedded priority systems and was the basis for the application of the zone-configuration …
Complex System Transformation: A System Of Systems Engineering (Sose) Perspective, Charles B. Keating, Andres Sousa-Poza, Samuel Kovacic
Complex System Transformation: A System Of Systems Engineering (Sose) Perspective, Charles B. Keating, Andres Sousa-Poza, Samuel Kovacic
Engineering Management & Systems Engineering Faculty Publications
The purpose of this paper is to develop a perspective for complex system transformation from a System of Systems Engineering (SoSE) viewpoint. This is a first attempt to make explicit a SoSE viewpoint on complex system transformation. As such, the formulation is intended to escalate the dialog and integrate the current state of understanding with respect to the nature, utility, and implications of complex system transformation in SoSE terms. To achieve our purpose we will: (1) present a short introduction that provides an essential background for SoSE, (2) provide five fundamental systems concepts that underlie a SoSE perspective of complex …
Managing The Transformation Of System Of Systems Engineering, Samuel F. Kovacic, Andres Sousa-Poza
Managing The Transformation Of System Of Systems Engineering, Samuel F. Kovacic, Andres Sousa-Poza
Engineering Management & Systems Engineering Faculty Publications
SOSE methodologies exist that support engineering difficult and disparate systems with a technical solution. However, from literature it is apparent that there is a need for a formal methodology and methods that govern engineering of System of Systems (SOS) beyond the technical solution. This paper presents some of the current thinking being undertaken at NCSOSE (National Centers for Systems of Systems Engineering), on what is driving the development of SOSE, and a hypothesized solution to this problem. The purpose is to offer a different approach for resolving complexity within a situation. The paper concludes with an initial derivative of a …
Development Of An Expert Judgement Elicitation And Calibration Methodology For Risk Analysis In Conceptual Vehicle Design, Resit Unal, Charles Keating, Bruce Conway, Trina Chytka
Development Of An Expert Judgement Elicitation And Calibration Methodology For Risk Analysis In Conceptual Vehicle Design, Resit Unal, Charles Keating, Bruce Conway, Trina Chytka
Engineering Management & Systems Engineering Faculty Publications
A comprehensive expert-judgment elicitation methodology to quantify input parameter uncertainty and analysis tool uncertainty in a conceptual launch vehicle design analysis has been developed. The ten-phase methodology seeks to obtain expert judgment opinion for quantifying uncertainties as a probability distribution so that multidisciplinary risk analysis studies can be performed. The calibration and aggregation techniques presented as part of the methodology are aimed at improving individual expert estimates, and provide an approach to aggregate multiple expert judgments into a single probability distribution. The purpose of this report is to document the methodology development and its validation through application to a reference …
A Model To Evaluate The Effect Of Organizational Adaptation, Holly A. H. Handley, Alexander H. Levis
A Model To Evaluate The Effect Of Organizational Adaptation, Holly A. H. Handley, Alexander H. Levis
Engineering Management & Systems Engineering Faculty Publications
When an organization’s output declines due to either internal changes or changes in its external environment, it needs to adapt. In order to evaluate the effectiveness of different adaptation strategies on organizational per- formance, an organizational model composed of individual models of a five stage interacting decision maker was designed using an object oriented design approach and implemented as a Colored Petri net. The concept of entropy is used to calculate the total activity value, a surrogate for decision maker workload, based on the functional partition and the adaptation strategy being implemented. The individual decision maker’s total activity is monitored, …