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Masquerader is someone who impersonates another user and operates computer system with privileged access. It's difficult to detect out by conventional techniques as firewall or misuse-based intrusion detection. Anomaly detection has been considered as a promising approach for masquerade detection, which is based on the idea that significant departures from normal behavior could be considered due to...
A Large-cale, interconnected, discree-time system is considered. The system consists of an uncontrolled main subsystem which communicates directly with N local subsystems all of which have inputs. There is no direct communication from one local subsystem to another. Futhermore, it is assumed that there are uncertain parameters involved in all the subsystems. The treated problem is to design state...
The problem of reducing sensitivity or linear time-invariant systems to parameter variations and small time-delay. based on both pole placement and optimal control [3], is considered. An efficient computational procedure based on direct cost optimization using a gradient type algorithm is also reported.
A large scale interconnected discrete-time system possessing a multi-time-scale property is considered. It is assumed the lower level subsystems are faster than the one above. A near-optimal solution is found using the results of singular perturbation theory.
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