In recent years, based on the growing importance of clean energy in comparison with conventional energy production from fossil fuels, DG systems are gradually becoming more popular all over the world. These resources solve many problem of system. However, these resources create some other problems too. One of the most problem of DGs is unwanted islanding. This paper addresses reliable passive i...

The use of multiple antennas in two-hop amplify-and-forward relay selection is analysed, where the source, relay and destination are each equipped with multiple receive but single transmit antennas. Since relay switching is based upon fed back information which is delay-limited, channel power prediction is employed to mitigate against the effect of outdated channel state information being used ...

For the identification of switched systems with measured states and a switching signal, this letter aims to analyze effect strategies on estimation error. The data is assumed be collected from globally asymptotically or marginally stable under switches that are arbitrary subject an average dwell time constraint. Then system estimated by least-squares (LS) estimator. To capture parameters LS err...

In this letter, we propose a distributed switch-and-stay combining network with partial relay selection and show that the system spectral efficiency can be improved via adaptive modulation. Analytical expressions for the achievable spectral efficiency and average bit error rate of the proposed system over Rayleigh fading channels are derived for an arbitrary switching threshold. Numerical resul...

We address the problem of controlling a linear system with unknown parameters ranging over a continuum by means of switching among a 4nite family of candidate controllers. We present a new hysteresis-based switching logic, designed speci4cally for this purpose, and derive a bound on the number of switches produced by this logic on an arbitrary time interval. The resulting switching control algo...

Switched controller design for nonlinear continuous and discrete-time systems under an arbitrary switching signal using the gain scheduling approach is addressed in this paper. The obtained controller design procedures for continuous and discrete-time systems are in the bilinear matrix inequality form. The proposed design procedure ensures multi parameterdependent quadratic stability of the swi...

We have enhanced photoacoustic microscopy with three-dimensional arbitrary trajectory (3-DAT) scanning, which can rapidly image selected vessels over a large field of view (FOV) and maintain a high signal-to-noise ratio (SNR) despite the depth variation of the vessels. We showed that hemoglobin oxygen saturation (sO2 ) and blood flow can be measured simultaneously in a mouse ear in vivo at a fr...

We establish a unified approach to stability analysis for switched linear descriptor systems under arbitrary switching in both continuous-time and discrete-time domains. The approach is based on common quadratic Lyapunov functions incorporated with linear matrix inequalities (LMIs). We show that if there is a common quadratic Lyapunov function for the stability of all subsystems, then the switc...