The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
There is growing recognition within industry that for system growth to be sustainable, the way in which existing assets are used must be improved. Future systems are being developed with a desire for dynamic behaviour and a requirement for dependability at mission critical and safety critical levels. These levels of criticality require predictable performance and as such have traditionally not been...
The principles and methods of Model Driven Architecture are applied to the problem of requirements traceability for a System of Systems (SoS). Model transformations of operational threads are used to reduce the complexity of modeling mission requirements and their flow into the architecture of the SoS. The allocation of requirements to operational mission threads (OMTs) rather than to individual systems...
One challenge in the design and acquisition of system-of-systems (SoS) is identifying the subset of feasible alternatives in the large and diverse set of alternatives that often exists for SoS. Existing approaches to alternative identification are system-focused, thus missing operational alternatives. Many approaches are ad hoc, thereby missing large portions of the alternative space. This paper proposes...
Complex software is a key part of many safety-critical embedded systems. Changes to such software over the system lifetime or to support product upgrades - particularly in applications which require realtime behaviour - can be a costly, time consuming, and risky process, requiring detailed re-testing and even recertification. This paper begins to explore ways in which techniques known as “design patterns”...
In this paper, we propose methods to deal with self-adaptive information systems where one has to control in real time a complex substratum organized with numerous proactive elements continuously producing active links and generating multiple informational exchanges. Such exchanges arise when linking concurrent distributed complex systems. More generally, the growing complexity of today's grand challenges...
Human detection and tracking is a primary focus for visual surveillance systems. However, current systems for human tracking are often complex and require vast amounts of computing resources. A reduction in complexity of the overall tracking system can be achieved by using a System of Systems (SoS) architecture. Once formed, a SoS architecture must achieve desirable levels of interoperability and...
The verification and validation of autonomous systems, and their relationship with systems engineering, is a challenging problem. They are tasked with achieving goals with reduced (or no) human interaction, and will be verified or validated with respect to the task they should achieve, rather than traditional systems which are assessed as whether they have the necessary capabilities to support an...
Architecting has become an important discipline within the broader context of systems engineering. The lack of a common understanding of the discipline amongst practitioners and other stakeholders, particularly in broad communities, can result in confusion, misunderstanding and inefficiencies. Methods and principles from the Soft Systems Methodology (SSM) are used to define a method for investigating...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.