A Formal Approach to Identify Inconsistencies in Stakeholder Needs in the Context of Systems Engineering

2022 ◽  
Author(s):  
Hanumanthrao Kannan ◽  
Benjamin C. Jantzen ◽  
Bryan Mesmer
Keyword(s):  
Systems Engineering ◽  
Formal Approach ◽  
Stakeholder Needs

scholarly journals An Approach to Complement Model-Based Vehicle Development by Implementing Future Scenarios

2021 ◽  
Vol 12 (3) ◽  
pp. 97
Author(s):  
Christian Raulf ◽  
Moritz Proff ◽  
Tobias Huth ◽  
Thomas Vietor
Keyword(s):  
Systems Engineering ◽  
Holistic Approach ◽  
Future Scenarios ◽  
Worst Case ◽  
System Architectures ◽  
Vehicle Development ◽  
Model Based ◽  
Scenario Technique ◽  
Stakeholder Needs ◽  
Model Based Systems Engineering

Today, vehicle development is already in a process of substantial transformation. Mobility trends can be derived from global megatrends and have a significant influence on the requirements of the developed vehicles. The sociological, technological, economic, ecological, and political developments can be determined by using the scenario technique. The results are recorded in the form of differently shaped scenarios; however, they are mainly document-based. In order to ensure a holistic approach in the sense of model-based systems engineering and to be able to trace the interrelationships of the fast-changing trends and requirements, it is necessary to implement future scenarios in the system model. For this purpose, a method is proposed that enables the consideration of future scenarios in model-based vehicle development. The procedure of the method is presented, and the location of the future scenarios within the system architectures is named. The method is applied and the resulting system views are derived based on the application example of an autonomous people mover. With the help of the described method, it is possible to show the effects of a change of scenario (e.g., best-case and worst-case) and the connections with the highest level of requirements: stakeholder needs.

Antecedence and consequence in design rationale systems

2008 ◽  
Vol 22 (4) ◽  
pp. 375-386 ◽  
Author(s):  
Vassilis Agouridas ◽  
Peter Simons
Keyword(s):  
New Product Development ◽  
Systems Engineering ◽  
Design Rationale ◽  
Design Problems ◽  
Efficiency And Effectiveness ◽  
History Of ◽  
Development Processes ◽  
A Cell ◽  
Stakeholder Needs

AbstractIdentification of latent or unarticulated customer and other stakeholder needs has been a significant barrier to improving the efficiency and effectiveness of the front-end phase of new product development processes. In-depth determination of stakeholder needs entails analysis of their intentions; the overall aim of the work reported in this article is to establish a framework of intentional analysis, and its associated methods and techniques for improving traceability of design practice during the early phases of the design process. The specific aim of this article is to present a conceptual framework for design rationale systems. The framework built upon the cross-fertilization of approaches and methods drawn from systems engineering and philosophy, focussing on the notions of antecedence and consequence. It was developed in the course of tackling design problems originating in industrial contexts. The methods developed were thus evaluated, updated, and refined in real applications. Two application cases are described that have been drawn from the aerospace and power sectors, respectively. The applications showed that the framework's central antecedent/consequent scheme provides a cell from which to develop either a history of actual successive changes, or a tree of alternative possible projected designs.

Representing and Reasoning with Scenarios within Information Systems Modeling

2011 ◽  
pp. 170-175
Author(s):  
Choong-ho Yi
Keyword(s):  
Information Systems ◽  
Temporal Logic ◽  
Set Theory ◽  
Systems Engineering ◽  
Systems Modeling ◽  
Formal Approach ◽  
Basic Set ◽  
Wide Range ◽  
Systems Modelling ◽  
Points Of View

Recent research in systems engineering shows the community’s interest in scenarios. Advantages of using scenarios have been reported in wide range of contexts within the area. Recalling that any systematic, and eventually, automated management of scenarios presupposes firm formal ground, research on formal theories for scenarios is highly motivated. However, only little work has been reported for that purpose, e.g. Hsia, Samuel, Gao, Kung, Toyoshina and Chen (1994). This chapter presents a formal approach to managing scenarios, using first order temporal logic extended with basic set theory, in the context of information systems modelling (ISM). In our framework scenarios are dealt with from two formal points of view, namely representation and reasoning.

Abstraction: An alternative neurocognitive account of recognition, prediction, and decision making

2020 ◽  
Vol 43 ◽  
Author(s):  
Valerie F. Reyna ◽  
David A. Broniatowski
Keyword(s):  
Decision Making ◽  
Software Engineering ◽  
Systems Engineering ◽  
Evidence Based ◽  
Extensive Literature ◽  
Trace Theory ◽  
Fuzzy Trace Theory ◽  
Abstract Representations ◽  
Technical Systems

Abstract Gilead et al. offer a thoughtful and much-needed treatment of abstraction. However, it fails to build on an extensive literature on abstraction, representational diversity, neurocognition, and psychopathology that provides important constraints and alternative evidence-based conceptions. We draw on conceptions in software engineering, socio-technical systems engineering, and a neurocognitive theory with abstract representations of gist at its core, fuzzy-trace theory.

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