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The first demonstration of InSb photodetector with nBn design is reported. The nBn structure, grown by molecular beam epitaxy (MBE) on InSb substrate, is built by using n-type InSb as absorber layer and InAlSb alloy as barrier layer. The nBn detector, showing cut-off wavelength of 5.4 μm at 77 K in photovoltaic mode, exhibits dark current density as low as 10-9 A/cm2 at -50 mV reverse bias, at least...
In this paper, the problem of trajectory tracking is studied. Based on the V-stability and Lyapunov theory, a control law that achieves the global asymptotic stability of the tracking error between a recurrent neural network and the state of each single node of a complex dynamical network is obtained. To illustrate the analytic results we present a tracking simulation of a simple network with four...
In this paper the problem of trajectory tracking by a stochastic recurrent neural network to a gene regulatory network described by a nonlinear dynamic model is studied. Based on the Lyapunov theory is obtained a control law of that achieves the global asymptotic stability of the tracking error.
In this article, we present a new sensitive data detection feedback system. The basic components of this system are: a) localization of hidden data techniques and b) common and the new decision making techniques. The decision making statistical tests include: chi-square, parametric chi, Kolmogorov-Smirnov and F-test. Computer simulations will show that the proposed method provides a good localization...
This paper deals with the problem of trajectory tracking for delayed recurrent neural networks. The tracking error is global asymptotic stabilized by a control law derived on the basis of a Lyapunov-Krasovsky functional. Then, it is established that this control law minimizes a meaningful cost functional. Applicability of the approach is illustrated by means of an example
This paper reports a hardware implementation for real-time global asymptotic stabilization of the chaotic Chen's system from the inverse optimal control approach
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