نتایج جستجو برای: impulsive frequencies

تعداد نتایج: 106191  

Journal: :Appl. Math. Lett. 2003
Leonid Berezansky Elena Braverman

May of the oscillation results for linear impulsive equations were justified by the following scheme. First, the equivalence of the oscillation of the impulsive equation and some specially constructed nonimpulsive equation was established; further, on the base of well-known results for the nonimpulsive case, the oscillation of the impulsive equation was analyzed. In the present paper, we prove ...

Journal: :IEEE Trans. Fuzzy Systems 2011
Yang Liu Shouwei Zhao Jianquan Lu

In this project, fuzzy impulsive control is used for stabilization of chaotic systems based on the Takagi–Sugeno (T–S) model. The stability issue of the general nonlinear impulsive control system is first investigated via comparison criterion. Then, a novel impulsive control scheme is presented for chaotic systems based on the T–S fuzzy model. Some sufficient conditions are given to stabilize t...

Journal: :I. J. Bifurcation and Chaos 2012
Jianquan Lu Zidong Wang Jinde Cao Daniel W. C. Ho Jürgen Kurths

In this paper, a new impulsive control strategy, namely pinning impulsive control, is proposed for the stabilization problem of nonlinear dynamical networks with time-varying delay. In this strategy, only a small fraction of nodes is impulsively controlled to globally exponentially stabilize the whole dynamical network. By employing the Lyapunov method combined with the mathematical analysis ap...

Journal: :International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2001
R J Houston M S Stanford

The present study was conducted to examine psychophysiological differences in arousability among individuals who display impulsive aggressive outbursts. Amplitude and latency for the mid-latency evoked potentials (P1, N1 and P2) were obtained at scalp electrode sites. The evoking stimuli were three intensities (low, medium, high) of photic stimulation. Compared to non-aggressive controls, impul...

2004
Nader Sawalhi Robert B. Randall

The choice of demodulation band for envelope analysis of faulty bearings is often made by spectrum comparison with a healthy bearing, to choose resonance frequencies where the largest change occurred as a result of the fault. It has recently been established that the so-called “spectral kurtosis” gives a very similar indication of the band to be demodulated without requiring historical data. Th...

2017
Maria C. Schippers Bastiaan Bruinsma Mathijs Gaastra Tanja I. Mesman Damiaan Denys Taco J. De Vries Tommy Pattij

Deep brain stimulation (DBS) of the nucleus accumbens (NA) is explored as a treatment for refractory psychiatric disorders, such as obsessive-compulsive disorder (OCD), depressive disorder (MDD), and substance use disorder (SUD). A common feature of some of these disorders is pathological impulsivity. Here, the effects of NAcore DBS on impulsive choice and impulsive action, two distinct forms o...

Journal: :IEEE Trans. Automat. Contr. 2001
Zhengguo Li Changyun Wen Yeng Chai Soh

Some sufficient conditions for asymptotic stability of impulsive control systems with impulses at fixed times were recently presented. In this note, we derive some less conservative conditions for asymptotic stability of such impulsive control systems and the results are used to design impulsive control for a class of nonlinear systems. The class of nonlinear systems considered is also enlarged.

2008
Sascha D. Meinrath Michael Calabrese

The FCC has proposed that the unassigned frequencies between broadcast TV channels – the TV band “white space” – should be opened on an unlicensed basis to certified devices that could offer a range of wireless services to the public. Access to the vacant TV channels in each market has been the subject of intense lobbying, yet far too many of the arguments against white space devices rely upon ...

Journal: :IEEE Letters on Electromagnetic Compatibility Practice and Applications 2021

For the measurement of impulsive currents, which might occur in cases electromagnetic interference, for example currents generated by non-linear behavior electronic appliances, a wide-band large dynamic range current transducer is needed. The electrical response such determined using conventional techniques, that use frequency sweeps sinusoidal continuous wave signals. and/or time invariant sys...

2013
Amir Hamzah Mustafa Mamat

In this paper, we proposed a method for computing the approximate solution for impulsive fuzzy differential equations by utilizing the existing results in impulsive differential equations and fuzzy differential equations. The numerical solutions are investigated since many impulsive differential equations cannot be solved analytically or their solving is complicated. The solutions are then comp...

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