Hill
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 112.64 KB | Download (44): Electrohydraulic Servoactuator with PI Controller Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (46): Single Stage of Electrohydraulic Servovalve Download |
Lumped Parameter Model of Hydraulic Transmission lineHere is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (41): hydraulic transmission lines Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie, Fluid Power Engineering,...
Platforms: Matlab
License: Freeware | Size: 81.92 KB | Download (43): Transient Response of electromagnetic torque motor Download |
fitChiSquare is a generalized chi-square fitting routine for any model function when data measurement errors are known; it returns the model parameters and their uncertainties at the delta chi-square = 1 boundary (68% confidence interval). It also returns the chi-square and degrees of freedom...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (41): Generalized Nonlinear Non-analytic Chi-Square Fitting Download |
StoichTools comprises a set of Matlab functions for doing stoichiometric analysis. These functions parse standard chemical notation for a variety of stoichiometric calculations including finding molecular weights, balancing reactions for atom and charge conservation, finding independent...
Platforms: Matlab
License: Freeware | Size: 71.68 KB | Download (50): Stoichiometry Tools Download |
The program shows how to plot figure 14.4 page 248 presented in T. L. Hill, An Introduction to Statistical Thermodynamics, Dover, New York, 1986. The Bragg-Williams approximation gives pressure-volume isotherms similar to those obtained using the van der Waals equation and it predicts first-order...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Pressure-volume isotherms for a Bragg-Williams lattice gas Download |
The two programs computes residue curve maps for the methyl acetate and isopropyl acetate chemistries at atmospheric pressure. These calculations involve solving a complex system of differential algebraic equations (DAEs). This can be readily achieved using the built-in function of MatLab,...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): Residue Curve Map for Homogeneous Reactive Quaternary Mixtures Download |
Inputs: 1. a 1 dimensional array of drug concentrations 2. the corresponding m x n array of responses Algorithm: generate a set of initial coefficients including the Hill coefficient fit the data to the 4 parameter dose-response curve using nonlinear least squares Output: a matrix of the 4...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): dose_response Download |
Here is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is explained in my book:M Galal Rabie, Fluid power Engineering,...
Platforms: Matlab
License: Freeware | Size: 133.12 KB | Download (45): Line-1-18m Download |
The remarkable advance in hydraulic and electrohydraulic power systems resulted in producing control valves of very short settling time. The rapid closure of hydraulic transmission lines leads to severe pressure surge. The attached Simulink file is developed to evaluate the applicability of...
Platforms: Matlab
License: Freeware | Size: 921.6 KB | Download (47): Line_Flow_4lump_with_and_without_Acc Download |
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): PI Controller for Electrohydraulic Servoactuator Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): Transient Response of First Stage of Electrohydraulic Servovalve Download |
Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237
Platforms: Matlab
License: Freeware | Size: 81.92 KB | Download (49): Hyd_Spring Download |
Dynamic Bayesian networks (DBN) are widely applied in modeling various biological networks, including the gene regulatory network. Due to several NP-hardness results on learning static Bayesian network, most methods for learning DBN are heuristic, that employ either local search such as greedy...
Platforms: Matlab
License: Freeware | Size: 1.53 MB | Download (44): GlobalMIT toolbox Download |
The C++ library for bioinformatics and artificial intelligence. Basic abstractions (like attribute, domain, state, etc.), DNA primitives (Nucleotide, Chain, EnergyNucleo, SecStruct, FoldedChain, FoldedPair, Codon, CodonAminoTable, Nussinov algorithm), population genetics primitives (Allele,...
Platforms: Mac
License: Freeware | Size: 112.64 KB | Download (40): FAIF Download |
Created at the base of the hill of Babylon, New York, in full evening of funk, this module allows you to make inroads Perl programming using just jargon and language taken from the famous movie "Elite Squad" director Jose Padilha
Platforms: *nix
License: Freeware | Size: 10.24 KB | Download (41): Acme::BOPE Download |