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ICALT
2006
IEEE
14 years 1 months ago
Trace Analysis in Instrumented Collaborative Learning Environments
Observation activity, on instrumented collective learning situations, enables participants to appropriate themselves corresponding systems in their own practice. In this paper, we...
Christophe Courtin, Stephane Talbot
CDC
2009
IEEE
136views Control Systems» more  CDC 2009»
13 years 11 months ago
Verification of K-step opacity and analysis of its complexity
In this paper, we analyze the verification of K-step opacity in discrete event systems that are modeled as (possibly non-deterministic) finite automata with partial observation on ...
Anooshiravan Saboori, Christoforos N. Hadjicostis
ATS
2000
IEEE
107views Hardware» more  ATS 2000»
14 years 3 days ago
Accumulation-based concurrent fault detection for linear digital state variable systems
An algorithmic fault detection scheme for linear digital state variable systems is proposed. The proposed scheme eliminates the necessity of observing the internal states of the s...
Ismet Bayraktaroglu, Alex Orailoglu
AUTOMATICA
2010
106views more  AUTOMATICA 2010»
13 years 6 months ago
Fault detection for discrete event systems using Petri nets with unobservable transitions
In this paper we present an efficient approach for the fault detection of discrete event systems using Petri nets. We assume that some of the transitions of the net are unobservabl...
Maria Paola Cabasino, Alessandro Giua, Carla Seatz...
HAPTICS
2006
IEEE
14 years 1 months ago
Vibrotactile Targeting in Multimodal Systems: Accuracy and Interaction
Tactile displays that enhance appreciation of virtual and real environments are becoming increasingly common. Extending a series of prior studies, we explored spatial resolution f...
Roger W. Cholewiak, Christopher McGrath