Colloquium Computer Science, Prof. Kenji Tei (National Institute of Informatics, Tokyo, Japan)
Date: |
Thursday, 13 October 2016 |
Speaker: |
Prof. Kenji Tei, National Institute of Informatics, Tokyo, Japan |
Room: |
5161.0222 (Bernoulliborg) |
Time: |
16.00 |
Title: Assured and Correct Dynamic Update of Controllers
Abstract:
In many application domains, continuous operation is a desirable attribute for software-intensive systems. As the environment or system requirements change, so the system should change and adapt without stopping or unduly disturbing its operation. There is, therefore, a need for sound engineering techniques that can cope with dynamic change. In this keynote, I will address the problem of dynamic update of controllers in reactive systems when the specification (environment assumptions, requirements and interface) of the current system changes. I will present a general approach to specifying correctness criteria for dynamic update and a technique for automatically computing a controller that handles the transition from the old to the new specification, assuring that the system will reach a state in which such a transition can correctly occur. Indeed, using controller synthesis I will show how to automatically build a controller that guarantees both progress towards update and safe update. Seven case studies have been implemented to validate the approach.
Colloquium coordinators are Prof.dr. M. Aiello (e-mail :
M.Aiello rug.nl
) and
Prof.dr. M. Biehl (e-mail:
M.Biehl rug.nl
)
http://www.rug.nl/research/jbi/news/colloquia/computerscience
Last modified: | 10 February 2021 1.32 p.m. |
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