Content Inside :
Outline
* Hybrid model of the physical system
* Reachability
* Reachable Set Toolkit
* Collision Avoidance System
o Dual aircraft demonstration
* User interaction with hybrid systems
o Autoland demonstration
* Software?
A Decision Theoretic QoS Negotiation
Each task is “tagged” with a cost – a measure of criticality
Worst case execution of time of components is neither given nor guaranteed
Depending on the mode of flight, components (Nav, Control, Wireless) can take on different levels of criticality and different execution times
SCHEDULABILITY: Comparison with Simple Rate Monotonic Scheduling
Schedulability of Tasks using the proposed scheduling algorithm
Schedulability of Tasks using a Simple RMS
* The development of a reach set toolkit for hybrid systems:
o Software C++: http://www.cs.ubc.ca/~mitchell/ToolboxLS/
* The toolkit can be useful for determining when (not) to switch modes, which mode(s) to switch to, and provides a set-valued feedback control law to remain in safe set
* A modern embedded control systems theory should include mathematical models of attributes of computational systems such as concurrency, hierarchy, heterogeneity, resource awareness, adaptability, quality of service (QoS), and controlled complexity of distributed systems.
Collaborators
Ian Mitchell, Alex Bayen, Inseok Hwang, Meeko Oishi,Rodney Teo, Jung Soon Jang, Gökhan Inalhan, Ronojoy Ghosh, Hamsa Balakrishnan, Keith Amonlirdviman, Robin Raffard, Gabe Hoffmann, Kaushik Roy, Peter Brende, Steve Waslander, Dusan Stipanovic, Sriram Shankaran, Jianghai Hu
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Category : Aircraft