KSL-99-01 + redirect page
Towards Diagnosing Hybrid Systems + Has identifier
Towards Diagnosing Hybrid Systems + Ksl tr id
| Towards Diagnosing Hybrid Systems |
Bibtype
inproceedings
Has publishing details
February,1999
Has title
Towards Diagnosing Hybrid Systems
Has where published
Knowledge Systems, AI Laboratory
Has year
1999
Title
Towards Diagnosing Hybrid Systems
Year
1999
Abstract
This paper reports on the findings of an o … This paper reports on the findings of an on-going project to investigate techniques to diagnose complex dynamic systems that are modeled as hybrid systems. In particular, we examine continuous systems with embedded supervisory controllers which experience abrupt,partial or full failure of component devices. The problem we address is: given a hybrid model of system behavior, a history of executed controller actions, and a history of observations, including an observation of behavior that is aberrant relative to the model of expected behavior, determine what fault occurred to have caused the aberrant behavior. Determining a diagnosis can be cast as a search problem. Unfortunately, the search space is extremely large. To reduce search space size and to identify an initial set of candidate diagnoses, we propose to extend techniques originally applied to qualitative diagnosis of continuous systems. We refine these diagnoses using parameter estimation and data fitting techniques. Asa motivating case study, we have examined the problem of diagnosing NASA's Sprint AERCam, a small spherical robotic camera unit with 12thrusters that enable both linear and rotational motion. enable both linear and rotational motion.
Note
Working Notes of the AAAI 1999 Spring Symposium on Hybrid Systems and AI, 1999.
Author
Sheila A. McIlraith and Gautam Biswas and Dan Clancy and Vineet Gupta +
Booktitle
Knowledge Systems, AI Laboratory +
Has author
Sheila A. McIlraith and Gautam Biswas and Dan Clancy and Vineet Gupta +
Has identifier
Towards Diagnosing Hybrid Systems +
Ksl tr id
Towards Diagnosing Hybrid Systems +
Month
February +
Process note
NO +
Categories InProceedings +, KSL Technical Report +, Publication +
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