IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
1558-1268
Cơ quản chủ quản: N/A
Các bài báo tiêu biểu
Global stability of a class of discrete-time recurrent neural networks
Tập 49 Số 8 - Trang 1104-1117 - 2002
This paper presents several analytical results on global asymptotic stability
(GAS) and global exponential stability (GES) for the equilibrium states of a
general class of discrete-time recurrent neural networks (DTRNNS) with
asymmetric connection weight matrices and globally Lipschitz continuous and
monotone nondecreasing activation functions. A necessary and sufficient
condition is formulated to...
#Recurrent neural networks #Neural networks #Asymptotic stability #Lyapunov method #Symmetric matrices #Stability analysis #Sufficient conditions #Signal processing #Stability criteria #Design optimization
NAND/NOR adiabatic gates: power consumption evaluation and comparison versus the fan-in
Tập 49 Số 9 - Trang 1253-1262 - 2002
In this paper, adiabatic and conventional CMOS NAND/NOR gates are analytically
compared at the gate level versus the fan-in. The comparison was carried out
assuming both an assigned power supply and setting it to minimize power
consumption. The analysis led to simple expressions, independent of the
technology used which allow us to understand how the power advantage of
adiabatic logic diminishes w...
#Energy consumption #CMOS technology #Power supplies #Frequency #Very large scale integration #CMOS logic circuits #Boolean functions #Analytical models #Design optimization #Integrated circuit technology
Synthesis of robust strictly positive real discrete-time systems with l/sub 2/ parametric perturbations
Tập 49 Số 8 - Trang 1221-1225 - 2002
The author addresses the robust strict-positive realness problem for families of
discrete-time polynomials where the uncertainty is described via a l/sub 2/ ball
in coefficient space. It is shown constructively that under the only assumption
that all the polynomials of the family are Schur, the sought filter can be
provided in closed form as a polynomial or rational function with an a-priori
bound...
#Robustness #Polynomials #Filters #Uncertainty #Sufficient conditions #Transfer functions #Robust control #Adaptive control #Uncertain systems #Convergence
A new D-stability criterion of multiparameter singularly perturbed discrete systems
Tập 49 Số 8 - Trang 1226-1230 - 2002
The stability and D-stability problems of the multiparameter singularly
perturbed discrete-time systems and its reduced subsystems are explored in this
paper. The critical stability criterion of the discrete system is adopted to
examine the stability bounds. A three-step algorithm is proposed to determine an
upper bound of the norm of the multiparameter vector /spl epsi/ = [/spl
epsi//sub 1/ /spl ...
#Stability criteria #Upper bound #Equations #Uncertainty #Councils #Laboratories #Eigenvalues and eigenfunctions #Circuits
Global stability of a class of continuous-time recurrent neural networks
Tập 49 Số 9 - Trang 1334-1347 - 2002
This paper investigates global asymptotic stability (GAS) and global exponential
stability (GES) of a class of continuous-time recurrent neural networks. First,
we introduce a necessary and sufficient condition for the existence and
uniqueness of equilibrium of the neural networks with Lipschitz continuous
activation functions. Next, we present two sufficient conditions to ascertain
the GAS of the...
#Recurrent neural networks #Asymptotic stability #Neural networks #Sufficient conditions #Convergence #Vectors #Quadratic programming #Constraint optimization #Councils #Automation
Synchronized oscillators with the phase-negative feedback
Tập 49 Số 8 - Trang 1242-1245 - 2002
A novel idea, a phase-negative feedback for fundamentally injected LC
oscillators, is discussed, and a new method of linear approximation of their
shortened equations has been presented.
#Feedback #Injection-locked oscillators #Frequency synchronization #Signal processing #Circuits #Equations #Power harmonic filters #Linear approximation #Performance analysis #Technological innovation
Lyapunov-theory-based radial basis function networks for adaptive filtering
Tập 49 Số 8 - Trang 1215-1220 - 2002
Two important convergence properties of Lyapunov-theory-based adaptive filtering
(LAF) adaptive filters are first explored. The LAF finite impulse response and
infinite impulse response adaptive filters are then realized using the radial
basis function (RBF) neural networks (NNs). The proposed adaptive RBF neural
filtering system possesses the distinctive properties of RBF NN and the LAF
filtering...
#Radial basis function networks #Adaptive filters #IIR filters #Neural networks #Finite impulse response filter #Filtering #Lyapunov method #Convergence #Stochastic processes #Stability
Statistical analysis of analog structures through variance calculation
Tập 49 Số 8 - Trang 1071-1078 - 2002
Variance analysis is used for the estimation of how random device parameter
variation effects the behavior of analog integrated circuits. This method is
very effective if the random parameter deviations can be assumed to be normally
distributed and statistically independent and if the nonlinear dependence of the
circuit characteristics can be linearized around the nominal (mean) parameter
values. ...
#Statistical analysis #Circuit optimization #Monte Carlo methods #Performance analysis #Computational modeling #Linear approximation #Analysis of variance #Analog integrated circuits #Transconductance #Filters
A loop-breaking method for the analysis and simulation of feedback amplifiers
Tập 49 Số 8 - Trang 1045-1061 - 2002
Two-circuit models for feedback subcircuits are developed from a modification to
the two-port method of feedback amplifier analysis and are applied in a method
to break the feedback loop. These models are terminally equivalent to linear and
nonlinear subcircuits, have physically-disconnected topologies, and employ
dependent sources to control lateral signal transfer with a switch-like on or
off ma...
#Analytical models #Feedback amplifiers #Feedback loop #Operational amplifiers #SPICE #Integrated circuit interconnections #Circuit simulation #Voltage #Circuit topology #Equivalent circuits
Controllability and observability of linear time-varying impulsive systems
Tập 49 Số 8 - Trang 1198-1208 - 2002
Many practical systems in physics, chemistry, biology, engineering, and
information science have impulsive dynamical behaviors due to abrupt changes at
certain instants during the dynamical processes. These complex dynamical
behaviors can be modeled by impulsive differential systems. This paper studies
the controllability and observability issues for a general time-varying
impulsive control system...
#Controllability #Observability #Time varying systems #Control systems #Biological system modeling #Systems biology #Information science #Aerospace electronics #Differential equations #Control engineering education