Boulder Nonlinear Systems
FitChiTool provides an interface similar to the Curve Fitting Toolbox to the fitChiSquare function.This allows you to perform fits using chi-square when measurement errors are known on linear or nonlinear models. It allows allows you to perform fits with multiple independent (more than one x)...
Platforms: Matlab
License: Freeware | Size: 225.28 KB | Download (46): GUI for Generalized Nonlinear Non-analytic Chi-Square Fitting Download |
In the program, an example from the field of nonlinear chemical dynamics is presented. Governing equation and reaction scheme can be found in G. Nicolis, Dynamique Chimique, Thermodynamique, cindoTetique et mdoTecanique statistique, Dunod, Paris 2005. We use the arc length continuation method to...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (58): Screenshot Application of the arc length continuation method in nonlinear chemical dynamics Download |
Software described in and associated with the paper"Numerical algorithms and issues concerning the discrete-time optimal projection equations for systems with white parameters", Proceedings UKACC International Conference on Control '98, 1-4 Sept. 1998, University of Swansea, UK, Vol. 2,...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (43): Reduced-order inf. horizon time-inv. discr.-time LQG control for systems with white parameters Download |
This package includes files for modelling nonlinear dynamic systems using a recurrent generalized neural network. The learning scheme uses the complex method of nonlinear nonderivative optimization, thereby avoiding the problems of computing the derivative of an infinite impulse response filter...
Platforms: Matlab
License: Freeware | Size: 256 KB | Download (46): Complex Optimization of a Recurrent Neural Network Download |
The package contains a simulink model of a mechanism which verify the angle of the road and adjust the torques by giving a angle to a plate located under the load session.this model is not a very complicated one and would be useful to whom want to:1.get familiar with control designs specially PID...
Platforms: Matlab
License: Freeware | Size: 215.04 KB | Download (48): Heavy Trucks Balancing In A Steep Road PID controller "Kamiunyaar":A USEFUL NONLINEAR SAMPLE Download |
Neural Network Based Control System Design Toolkit Version 2The NNCTRL toolkit is a set of tools for design and simulation of control systems based on neural networks. The following designs are available:o Direct inverse controlo Internal model controlo Control by feedback linearizationo Optimal...
Platforms: Matlab
License: Freeware | Size: 389.12 KB | Download (41): nnctrl Download |
Neural Network Based System Identification Toolbox Version 2The NNSYSID toolbox contains a number of tools for identification of nonlinear dynamic systems with neural networks. Several nonlinear model structures based on multilayer perceptron networks are provided and there are also many...
Platforms: Matlab
License: Freeware | Size: 727.04 KB | Download (46): nnsysid Download |
.m and .mdl files to reproduce figures in the the book, Feedback Control of Dynamic Systems, 4th Ed., Prentice-Hall.
Platforms: Matlab
License: Freeware | Size: 256 KB | Download (53): Feedback Control of Dynamic Systems, 4th Ed., G. F. Franklin, J. D. Powell, A. Emami-Naeini Download |
DISOPE + MOMENTUM + PARTAN Algorithm to improve convergence of a nonlinear dynamic system.Study covers application for chemical process industries, robotics, genomics, etc.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Optimization Algorith for Uncertain Nonlinear Dynamic System Download |
This toolbox implements the methods of [1] and [2] to design H-infinity controllers for linear spatio-temporally invariant, or multidimensional (MD), systems. Utilities are also provided for the following types of operations on MD systems:1. System description (MD systems are specified via a...
Platforms: Matlab
License: Freeware | Size: 5.36 MB | Download (39): Multidimensional Systems Toolbox Download |
The art of fitting a nonlinear regression model often starts with choosing a model form. This submission is an attempt to teach the reader a simple but general paradigm for their models as a sum of fundamental shapes that are then shifted and scaled to fit the data.I've included a bestiary of...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (43): Nonlinear Regression Shapes Download |
Genetic Programming (GP) generates nonlinear input-output models of dynamical systems from input-output measurement data. This GP-OLS toolbox applies Orthogonal Least Squares algorithm (OLS) to improve the search effeciency of GP.It can be used for static equation discovery or structure...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): GP-OLS model structure identification Download |
The program computes the liquid-liquid equilibrium diagrams for a type I ternary system based on the NRTL model. The ternary mixture: water-ethylacetate-acetone is an example of type I systems. The equilibrium diagram is obtained at a temperature of 288.15 K.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Screenshot Type I liquid-liquid equilibrium diagrams for a ternary systems: water-ethyl acetate-acetone at 15dlT- Download |
Written for advanced undergraduate students, this book emphasizes the practical application of control systems engineering to the analysis and design of feedback systems.
Platforms: Matlab
License: Freeware | Size: 51.2 KB | Download (43): Control Systems Engineering, 2e Download |
Solves nonlinear diffusion equation which can be linearised as shown for the general nonlinear diffusion equation in Richtmyer & Morton [1]. The approach is to linearise the pde and apply a Crank-Nicolson implicit finite difference scheme to solve the equation numerically.Matlab run...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 194.56 KB | Download (48): Finite Difference solution to nonlinear diffusion equation Download |
This estimation method is based on well known paper.J.J. van de Beek, M. Sandell, and P.O. BdoOC?orjesson, `ML Estimation of Time and Frequency OdlT«setin OFDM Systems', IEEE Transactions on Signal Processing, vol. 45, no. 7, pp. 1800{1805,July 1997.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): ML Estimation of Timing and CFO in OFDM systems Download |
The enclosed files provide a nonlinear algorithm for controlling dynamical systems, particularly in regimes where linear control methods often fail, such as the targeting of states that are distant in phase space from the system dynamics (e.g., a fixed point at the center of a limit cycle). Four...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): nlcontrol Download |
The code supports homogeneous and linear and nonlinear (Total Variation and Edge Enhancing flow) isotropic diffusion of arbitrary dimensioned fields(scalar~grayscale image, vector ~ color image and matrix~structure tensor). Additive Operator Splitting(AOS) as well as Gaussian regularization are...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 163.84 KB | Download (41): Nonlinear Coupled Diffusion Download |
Motion systems are widely used in industry; for instance for robotics and pick-and place units. In most cases they are characterized by a repetitive motion or sequence of motions between fixed positions. The actuator, or motor, is limited in speed and acceleration such that any decent motion...
Platforms: Matlab
License: Freeware | Size: 2.4 MB | Download (46): Advanced Setpoints for Motion Systems Download |
Lynch_Chaps.zip contains the MATLAB files, Simulink model files and a Tutorial Introduction to MATLAB for the new book, "Applications of Chaos and Nonlinear Dynamics in Engineering - Vol. 1". The book is published by Springer and edited by S.Banerjee, M.Mitra and L.Rondoni.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 81.92 KB | Download (45): Applications of Chaos and Nonlinear Dynamics in Engineering - Vol. 1 Download |