nonlinear

A nonlinear time series analysis method has been used for reconstruction of sea surface temperature (SST) anomalies .

the electromagnetic inverse scattering is one of most difficult problem due partly to its ill - posed , nonlinear and instability nature.

A lot of inherent nonlinear factors of linear motors make it a challenging task to control the linear motor system precisely.

The results show that this analytic method used to solve nonlinear three-dimensional problems for composite laminates is effective.

The pivoting is controlled by a lever arm to a nonlinear spring aboveboard . The springiness controls how much thrust you get.

It seems that the nonlinear phase delay is at least one of the root causes of the broadened FWHM.

This paper presented mathematical modeling and simulation of an electro hydraulic servo system by means of a nonlinear analysis method.

It consists of two steps with a combination of a global search method and a nonlinear local search method.

And it was seen from the wind tunnel tests that the wind pressure gradient had a nonlinear relationship with the wind velocity.

As fact, Boom is in line with nonlinear bending force mechanism. The stability of the surface is the essence of strength problem.

This paper presents a very efficient method, referred to as the aggregate function method, for solving nonlinear equations.

The optical nonlinear phenomena could be observed obviously around the absorption peak, due to the surface plasmon resonance.

Nonlinear Schrdinger equation in the time domain is often solved, when ultrashort pulses are propagated in fibers.

The result shows that the NRCS of a nonlinear sea surface is quite different from that of a linear sea surface.

The nonlinear dynamic model was simplified into a linear discrete model with a number of reasonable approximations.

We then consider a triangular representation of linear filter banks and see that it may be easily extended to the nonlinear case.

As a microscopic model, study of solitons in the nonlinear atomic lattice model has proven to be a hot topic in this field till now.

It is possible to obtain statistically valid descriptions of single hemodynamic responses from a robust nonlinear estimation procedure.

In deeper soil with lower organic carbon, however, the adsorption seems to be nonlinear.

The model takes account of the nonlinear and time varying dynamics of switch devices and is valid in the frequency range of generator shaft.

By approximating the nonlinear chaotic system with a T S fuzzy model, the nonlinear chaotic system is fuzzed into a local linear model.

Method of nonlinear element has been used to the research on large deformation of rubber like material.

Manufacturing cost of a turning operation is a nonlinear convex function of its processing time.

If nonlinear science appears to be a somewhat quiet revolution, it is perhaps due to its wide scope of coverage.

In particular, for the TM case, the biaxial nature of nonlinear refractive index is considered without any approximation.

At present, the technique for optical signal processing using various nonlinear phenomenons is just a pilot study.

Multi-point formula, depending on the segmented linear approximation, turns out to be effective in correcting the nonlinear shift.

Our conditions imposed on the nonlinear term are very easy to verify.

The wind turbine system is a system with nonlinear variables, uncertainties and disturbances.

Numerical examples show that the algorithm is of higher precision and efficiency whether limit state equation is nonlinear or not.

The force constant and its associated back- EMF constant of a VCM can be highly nonlinear with the mechanical structure.

It is worth noting that the Julia set of the nonlinear system is an important nonlinear character of the system.

in the same condition , there is great difference between response of nonlinear structure and that of linear structure.

However, drum water level is of time delay, nonlinear and large disturbance, the false water level phenomenon is hard to be controlled.

This thesis proposes a robust adaptive fuzzy control scheme for the uncertain nonlinear time-delay systems preceded by an unknown dead-zone.

A nonlinear amplifier may produce a considerable change in the waveform of the signal.

The active set technique is one of the most effective methods for reducing the number of constraints in the nonlinear optimization.

In this paper, the nonlinear dynamics feature of soliton wave in protein molecular have been studied by means of the quantum theory.

Nonlinear characteristics of a hydraulic lag damper with pressure relief valves and a filling-oil device are analyzed.

The derivation and simulation demonstrates that the relationship between them is nonlinear based on the temperature of background.

At the heart of their potential artificial eye is a well-known chip design called a cellular nonlinear network, or CNN.

As an application of the proposed method, the excitation control of a three-node power system with nonlinear load is discussed.

The total torque requirement is calculated by a nonlinear auto-regression with exogenous input (NARX) dynamic neural network model.

The nonlinear influence of purchasing scale and production scale were all considered in this optimization model.

We consider the global stabilization of a class of multi-input cascade switched nonlinear systems with a linear switched part.

this function is a concave nonlinear function, which decreases faster at the beginning than in the last stage.

The analytical investigation of nonlinear creep crack growth is in its infancy and much remains to be learned and done.

The nonlinear lattice dynamics and an expression of nonlinear macroscopic polarization are derived in terms of optic phonon modes.

The paper presents the nonlinear finite element analysis for the Y-eccentrically braced steel frames on the different length of link beam.

Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.

GRNN has such advantages as simple design and perfect convergence etc, so it has been widely used for complex nonlinear system modeling.

We utilized the combined maximum entropy homotopy method to solve the general nonconvex nonlinear programming problems.

This phenomenon can be explained by the spatial self-phase modulation of the Gaussian beam passing through the nonlinear medium.

One of the main topics of the soliton theory is to search for the soliton solutions of nonlinear evolution equations (NLEEs).

The concept of asymptotic stabilization via state feedback is proposed for affine nonlinear singular systems.

Ashby was an engineer interested in nonlinear control circuits and the virtues of positive feedback loops.

In practice, system state is always characterized by nonlinear, non Gaussian and incompletely observed.

In less than 100 pages, this book covers the main vector variational methods developed to solve nonlinear elasticity problems.

As the only nonlinear component in most block ciphers, S-box is responsible for the security of block ciphers.

On this basis, the nonlinear form of the aesthetic pursuit of construction were discussed.

In this paper, the nonlinear responses of a clamped-sliding buckled beam to a harmonic axial excitation are investigated.

usually the system is time - variant nonlinear system , and can automatically match with ( i . e . " adaptation " ) variational environment.

The nonlinear behaviors of a perfect dome and its deflection shapes at several points after buckling are investigated.

The Gauss truncation theory is used to linearize the nonlinear equations when taking account of the non-linearity of guys.

The nonlinear coupled equations of the perturbed magnetic field and the perturbed temperature are derived in the beginning.

is caused by the nonlinear interaction between the sinus node and myopic Ventricular focus in the heart.

The results show that the different development stages of mixing layer is closely related with its nonlinear eigenvalue.

A numerical simulation for a model of wood drying process is considered. The model is given by a couple of nonlinear differential equations.

As a typical strong nonlinear surge load, the harmonic produced by the high speed maglev system is an important new type of harmonic source.

In recent decade, chaos control and chaos synchronization are among the key points for the chaos application in nonlinear networks.

Nonlinear fitting method is applied to calculate the rate constant of the acetic ether saponification reaction.

On the basic of the proof of the local existence, we proof the global existence of a nonlinear system by energy method.

the increase of velocity nonlinear factor minimize the response amplitude, do not change the response frequency.

For each of these two stages, the problem is reduced to a nonlinear partial differential equation.

The structure model is a nonlinear model in nature, and can be composed of a group of uncertain reasoning rules easily.

Some teaching material treat that the integrated operational amplifier which makes up the voltage comparer only works in the nonlinear area.

Air spring is of nonlinear performance and a variable rigidity characteristic.

The system was a nonlinear control system by analyzing the dynamic character of the system.

By means of interpolating wavelets theory , we construct an adaptive algorithm to solve linear and nonlinear hyperbolic PDEs.

Readers are encouraged to pursue nonlinear elasticity as one of the best means to apply these techniques.

Due to the nonlinear interaction and ionization, the spectrum of femtosecond laser pulses can be expanded through filament in noble gases.

This paper deals with the general boundary value problem for nonlinear elliptic equations of second order.

This controller consists of nonlinear backstepping controllers and a velocity observer to achieve the purpose of speed following.

Secondly, an analysis is given to the nonlinear function, revealing the relation between the function and its parameter.

Partition subarray is a complicated nonlinear optimization task and traditional linear optimization algorithms do not work.

The stability and bifurcation of the fluid film bearing-rotor system with a squeeze film damper are studied using a nonlinear model.

a nonlinear adaptive control scheme for stepping motors is presented , and a nonlinear adaptive position controller is designed.

In this work, a nonlinear three-dimensional lifting load system dynamic model was set up based on the general form of Lagrange's equation.

S-boxes are the only nonlinear components in many block cipher algorithms, and they decide the security strength of the whole algorithm.

The dynamic numerical simulation of ship-bridge collision can be effectively carried out by means of nonlinear finite element technique.

The nonlinear vibration behaviors of a rectangular moderate thickness plate with dowel on elastic foundation were investigated.

For a class of stochastic nonlinear systems satisfying linear growth condition, the paper studies the output feedback stabilization problem.

The blow-up theory of the solutions for nonlinear evolution equations is an important aspect of partial differential equation.

The nonlinear natural thermal vibration of a rectangular orthotropic plate on a nonlinear foundation was studied.

High-performance nonlinear tracking control problem for a hydraulic servo-system with parametric uncertainties is considered.

The disc consisted of an incompressible nucleus surrounded by nonlinear annulus fibers embedded in a solid ground substance.

The nonlinear rolling of ship in waves is one of the important reasons for the ships capsizing.

Consider the nonlinear delay partial difference equations with continuous arguments Some oscillation criteria of this equation are obtained.

This involves the nonlinear mechanics solution of a cable-driven robot instead of only a geometrical problem involved.

And that's basically what Zinovyev and Gorban have done, creating what they call the Nonlinear Quality of Life Index in the process.

The oscillation of a class of nonlinear hyperbolic equations with continuous distributed deviating arguments is studied.

The particles-impact damper can be applied to the vibration control of nonlinear systems with low frequency and dense modes.

The comparison between the rheological model and experimental result shows that the nonlinear rheological model is right and reasonable.

We consider the initial boundary value problem for a class of nonlinear degenerate wave equations in a bounded domain.

The weak nonlinear instability of a nonparallel boundary layer is studied by nonlinear parabolized stability equations(PSE).

By introducing double parameter transformation, the explicit solitary wave solutions for a nonlinear equation are obtained.

In acoustic signal processing, it is valuable to determine whether a real mom acoustic system is nonlinear deterministic.

The solution of the nonlinear evolution equation, especially the exact solution, is an important subject in modern mathematics and physics.

In materials chemistry field, nonlinear optical material is a new type of material which developed during the last two decades.

In the nonlinear science, the nonlinear physical science is very important. The models of it are used in many relevant fields, sometimes.

A neural network was used to express the nonlinear function between input and output of the inverse kinematics of the robot.

Nonlinear finite element analysis and regularity distribution study of internal force on short - shear wall structure system.

Since the equations are nonlinear, one has to resort to a numerical solution scheme except for relatively simple problems.

One of the jammer structures which can realize the algorithm is given and the method for reducing nonlinear phase errors is presented.

The nonlinear 3-step subharmonic resonances of a thin cylindrical shell in a magnetic field subjected to mechanical loadings are evaluated.

but the load disturbance, end effects, nonlinear friction, and the change of system parameters reduce the servo performance of the system.

A note on paper "a simple fast method in finding the analytical solutions to a class of nonlinear partial differential equations"

The result of simulation shows that the control method has improved quality of nonlinear and dead time system.

The objective of this course is to introduce the adaptive controller design and analysis methods for both linear and nonlinear systems.

An S-shape value function and a nonlinear weighting function were employed by project theory to explain and predict the framing effect.

The characteristic and law of interaction of multi-spatial solitons (more than two) in strongly nonlocal nonlinear media is discussed.

As a high voltage single phase nonlinear load, the electrified railway load has become one of the harmonic sources of power system.

A dynamic model of a multi-bearing rotor system was established with bearing elevation and nonlinear film force taken into consideration.

A simplified adaptive neural network (NN) stabilization algorithm is proposed for a class of output feedback nonlinear time-delay systems.

Then nonlinear method of fractal was used to analyze the relationship among fractal dimension, combustion degree, and stability of flame.

In this article, a fully discrete finite nonlinear difference scheme is established for a class of partial nonlinear differential equation.

The initial boundary value problem of the nonlinear wave equation with the weak damping term and a source term was studied.

The borehole trajectory design to be drilled well with defined direction needs to solve a set of 7-element nonlinear equations.

The image was diffused nonlinearly by the diffusion function of the nonlinear diffusion equation in the estimation of wavelet parameter.

With a nonlinear low-pass filter, a method of modulation and demodulation is discussed in self-synchronizing chaotic communication systems.

Meanwhile, it is been testified that the formula of static filtering and prediction is a special case of nonlinear filtering formulas.

The global existence and blow up time problem for solutions of a parabolic equations with nonlinear boundary conditions are studied.

A nonlinear distortion is compensated according to the characteristic relating to the characteristic of an object to be measured.

The stabilization problem for a class of nonlinear continuous control systems with separated variables is investigated.

Artificial neural network has good nonlinear mapping and a high degree of parallel processing of information capacity.

The sets of nonlinear synthesis equations are solved by using chaos optimization method, and a numerical example is given for illustration.

Function to calculate the Jacobian matrix for a set of nonlinear algebraic equations. A simple central differencing scheme is used.

The time-delay estimation for the nonlinear dynamic system with time-varying time-delay is an important issue for system identification.

The precise electromechanical components can be reduced to the nonlinear and unconventional plane beam finite element system.

Compressible miscible displacement in porous medium is modeled by a nonlinear system of two coupled partial differential equations.

Due to the complexity of the nonlinear partial differential equations, the matching conditions simplified and solved.

In many common forms of analysis, the nonlinear load, acting as a current source, supplies the harmonic components of the current.

The synchronization proves that linear controls have simpler structures and can be obtained more easily compared with nonlinear controls.

The rock is a geologic history product with a variable recast during its generation and transport, and has a complex nonlinear property.

The invention relates to a second-order nonlinear optical test system realized by utilizing an integrating sphere.

The PLS component scores can be frequently computed by the nonlinear iterative partial least square method from the on-line process data.

The method also can be applied to seek some special types of exact solitary wave solutions to other nonlinear PDE .

In particular, the method can be used to solve both linear and nonlinear semidefinite complementarity problems.

The OCP is governed by a set of nonlinear partial differential equations and involves control constraints.

The algorithm of this paper provides a practical and effective method to solve the equilibrium of the complex nonlinear systems.

A feasible direction method for nonlinear constrained optimization problems is presented by the generalized gradient projection technique.

A multiple sliding mode adaptive fuzzy control scheme was proposed for a class of nonlinear systems with mismatched uncertainties.

The Locally Linear Embedding(LLE) algorithm is an effective technique for nonlinear dimensionality reduction of high-dimensional data.

A nonlinear robust controller is proposed for a class of single input single output time-delay nonlinear systems with system uncertainty.

Nonlinear networks are much more difficult to analyze than linear networks, for no general method can be used for their solution.

In the article, the fully discrete finite difference scheme for a special nonlinear reaction-diffusion equation is established.

The nonlinear motion equations of the systems are derived and the journal orbits are determined as aPProximate solution of those equations.

Using maximum principle and mountain pass lemma to a class of nonlinear elliptic equations, two different positive solutions are obtained.

Constantine and Lockwood recommend that you represent nonlinear operations using phrases like "In any order: " followed by a list.

The simulation results demonstrate this method is valid in parametric optimization of a nonlinear control system.

The best fitting agreement models and its parameters were evaluated by nonlinear regression analysis.

In particular, it was assumed that the underlying model of the nonlinear time series was known, but the corresponding parameters were not.

The nonlinear complementarity problem can be reformulated as the solution to a nonsmooth system of equations with FB-NCP function.

An fuzzy adaptive fault-tolerance control architecture was proposed for a class of continuous-time nonlinear dynamic systems.

The robust stabilization problem of a class of uncertain nonlinear systems with mismatched uncertainties is investigated in this paper.

As a numerical example, nonlinear free and forced vibration phenomena of shallow spherical shells with sinusoidal corrugation are studied.

In this paper, a nonlinear coupled system with mixed boundary conditions is applied to the description of groundwater quality contamination.

LS-DYNA was used to modeling and dynamics simulation, and to introduce its application in nonlinear flexible structure simulation.

This problem is first transformed into a nonlinear optimization problem related to model parameters.

Furthermore, this method is applicable in any other flow meters which have the same nonlinear problem of K-factor.

The equation of exponential curve model, which used to predict single pile limit bearing capacity, is super-set and nonlinear.

The neural network has a good nonlinear function approximation capability, which can be used in NC machine error identification.

The next step is the formation of the nonlinear elements of architectural form analysis.

The robust passivity synthesis problem is concerned for a class of affine nonlinear systems with bounded-norm uncertainties.

Furthermore, the system model and the iterative map of the converter are derived to explain the nonlinear phenomena.

The concept of real strain is used in this paper and obtained a nonlinear expression of winston bridge in strain measurements.

For a nonlinear system, the toolkit also checks the stability of its nonlinear dynamics.

A higher-order model-free adaptive iterative learning control is presented for a class of nonlinear and non-affine discrete-time systems.

Compared with linear elasticity finite element method, nonlinear finite element method is characterized by the entire proceeding simulating.

The uniqueness of the nicely nonlinear model and its linearizing compensator is proved under some constraints.

The single well pumping was considered in elastoplastic porous stratum in the case of nonlinear seepage coupling.

KPCA extracted principal component with nonlinear method and described the relationship among three or more pixels of the identified images.

The existence and uniqueness of positive solutions are established for the elastic beam equation where the nonlinear term is mixed monotone.

Simulation results indicate that the algorithm can predict faults in a class of nonlinear systems with time- varying parameter.

Phenological phase changes of populus simon ii are of strong response to air temperature change, and their relationships may be nonlinear.

A set of nonlinear equations of precise synthesis of each linkage are established.

Through the linkage between nonlinear model and linear model, nonlinear model can be conveniently solved.

Investigations of the role of nonlinear couplings in structure formation and transport regulation: experiment, simulation and theory.

the nonlinear earth pressure theory is a more reasonable earth pressure calculation method for the culverts under high fills.

is presented for the periodic position relevant nonlinear disturbance in the constant speed state of turntable.

Conclusion: To derive the convergence results for allocation methods applied to nonlinear singular boundary problems.

Electrified railway is a special consumer of electric power system , its load is of nonlinear, asymmetry and fluctuation.

However, their performance will deteriorate if the system under control becomes nonlinear.

XY data can be modelled using a toolbox of linear regression models, nonlinear regression models, interpolation, or splines.

This paper studies chaotic motions in a nonlinear oscillatory system perturbed by external harmonic force and bounded noise excitation.

An adaptive fuzzy sliding mode control method for a class of nonlinear systems with unmatched uncertainties is presented.

Engineering geometric constraint problem is equivalent to the problem of solving a set of nonlinear equations substantially.

By applying the contacting nonlinear finite element theory this paper carried out a virtual design on complex supporting structure.

This paper also suggests that scheme of component mode synthesis can be extended to model local nonlinear systems with complex structures.

Research and teaching: econometric theory, non-parametric econometrics, nonlinear time series analysis, and financial econometrics.

In this paper, we consider the anti-periodic boundary value problem for a class of nonlinear second order differential equations.

However, the culture algorithm, as a newtype of smart algorithms, owns its unique advantages to solve nonlinear optimization problem.

An observer design methodology for a class of switched nonlinear systems with time-dependent switching law was proposed.

A finite element program of nonlinear analysis is compiled. The predicted results are found to be in good agreement with Andreau's results.

Secondly, we apply a penalty function method of a mixed-integer nonlinear programming to the production batch of drinks.

The nonlinear mathematic model for the valve train system is set up and its dynamic characteristics are analyzed.

We have studied fidelity of two-level atom interacting with nonlinear coherent state light field by numerical calculation method.

We have considered the design of output feedback control for a class of parametrically uncertain nonlinear systems.

Simulation results show that the heuristic algorithm for solving mixed-integer nonlinear model is an effective way.

This report discusses the study of detailed nonlinear real time performance simulation for a two spool turbofan engine with afterburner.

The present study examined whether, for this configuration, nonlinear FE models could be used to identify these subjects.

The time-domain coupled model calculating nonlinear waves acting on marine structures is an important topic in ocean engineering.

Nonlinear mixed effect model(NONMEM) has been widely used in estimating population pharmacokinetics parameters of various drugs.

Median filter is a nonlinear filtering technique widely used for removel of impulse noise.

Otherwise, the problem is called a nonlinear integer program.

This paper is focusing on study of NDA nonlinear least-squares(NLS) carrier frequency offset estimation for QAM signals.

Power Distribution Network Optimization Planning is a complicated nonlinear optimizing combination problem .

The results are obtained through a nonlinear fitting procedure and well correlated with human perception.

His research interests include biomedical imaging and spectroscopy, biophysics, ultrafast lasers, nonlinear optics and photonics.

Different from the traditional nonlinear identification method, NNI is not restricted by the nonlinear model.

Then this algorithm is applied to an affine-nonlinear dynamic plant and in a linear dynamic plant with large time-delay.

A simple three-layer BP network using simple nonlinear transfer functions can approximate any nonlinear functions with any precision.

The decoupling problem for a class of nonlinear MIMO time-delay systems is studied with differential geometric method.

Thus, the soliton perturbation theory is of importance for the research into more real nonlinear systems.

It consists of two parts, calculation of cable curve for suspension bridge and geometric nonlinear analysis of bridge structure.

The feedback control of chaotic motion of forced oscillation of an oscillator with both square and cubic nonlinear terms is investigated.

The emergence of neural network provide effective tools for a system with highly nonlinear input-output relations.

Second-Order optical nonlinear coefficients are the important parameter for optical nonlinear crystals.

A corner preserving nonlinear diffusion filter is proposed, whose diffusion coefficient is the function of the gradient and the curvature.

Mid-point incremental method and initial stress method are used to reflect the nonlinear of the material's stress and strain.

The nonlinear model of a maneuverable aircraft which with thrust vector control (TVC) was established.

Nonlinear frequency modulation (NLFM) whose modulation wave is the square of a saw wave is introduced into the fuze detection system.

For exciting with a shaker, the nonlinear and viscoelastic properties of foam material were considered.

The stability of multivariable nonlinear control system is discussed in connection with the generalized frequency response function matrix.

The results show that the HCGA is simple, effective, and of high precision in identifying the parameters of nonlinear model.

The input energy can be dissipated by the plastic deformation of the joints at nonlinear stage.

As a new machine learning method, SVM can solve the small sample, nonlinear, high dimension and local minima, the actual problem.

Last, concludes the work and points out some aspects to be further studied on chaos synchronization of nonlinear dynamic systems.

Then, the three-body nonlinear formation dynamics with the fourth disturbance are built up for the coming control scheme.

Methods: Fractal analysis of TMJ sounds in normal subjects and patients were done by the theory of chaos and fractal in nonlinear dynamics.

We will focus on some problems for the existence and non-existence of solutions for a class of nonlinear elliptic equations.

his primary research is nonlinear partial differential equations , in particular , equations arising from physical and biological sciences.

Convertible bond pricing issues related to a variety of complex factors, have characteristics of uncertainty, nonlinear and exotic.

Simulated Annealing is a kind of effective compute intelligent algorithm and used to solve nonlinear optimization problems frequently.

Dissipative nonlinear wave equation; Approximate symmetry; Symmetry reduction; Series solution.

Simulations show that the new filter is far better than EKF in nonlinear and non-Gaussian systems.

Evidence for Nonlinear Climate Change: Two Stratospheric Regimes and a Regime Shift.

The Laguerre spectral and pseudo spectral methods for multiple-dimensional nonlinear partial differential equations are investigated.

A frequency chipping of nonlinear evolution on chaotic signal in dispersion optical fiber and its expression are presented.

The contact behavior between the reinforcement pad and the vessel shell was analyzed with nonlinear method of the software ANSYS.