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Relief Valve DynamicsModeling and Simulation of a Hydraulic Relief ValveThe attached file presents a simulation of a direct-operated hydraulic relief valve with built-in damper. The study of the valve included the following:d-deD? Construction and operation of the valved-deD? Mathematical...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 30.72 KB | Download (44): Relief valve Dynamics Download |
Generates random 2D-paths between start and finish nodes according to densities distribution given by matrix C with leg's contrainsts defined by the adjacency matrix I.P = path_generator(start , finish , I , [C] , [K] , [V] , [delta]);Inputs-------start Index of starting points (r x 1) where...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): 2D random paths generator integrating leg's contraints Download |
ApoSimple ist ein kleines, einfaches und simples Spiel f?*N?r Zwischendurch. Ziel ist es die farbigen Kreise zu beseitigen. Dazu klickt ihr auf einen wei?*NYen Kreis und dieser bewegt sich dann in die Richtung, die der Halbkreis im Kreis vorgibt. Eine Onlinehighscoreliste, ein kleines Tutorial,...
Platforms: Mac
License: Freeware | Size: 143.36 KB | Download (44): ApoSimple Download |
Electrohydraulic servo systems provide one of the best controllers from the point of view of precision and speed of response. They are used to control almost all hydraulic and mechanical parameters, such as the pressure, pressure difference, angular speed, displacement, angular displacement,...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (43): Transient Response of Two-Stage Electrohydraulic Servovalve Download |
Hydraulic servo actuators (HSAs) are used to precisely control displacement in a wide range of equipment. Generally, a hydraulic servo actuator consists of a hydraulic actuator controlled by a directional control valve of an infinite number of positions and equipped with a feedback arrangement....
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (43): Hydraulic servo actuators 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 |
The characterisation of the downsampler block can be done by the formula:y(n)=x(nM)Syntax:[y ny]=downsampler(x,n,M)x is an input sequence over indices specified by n.L is the downsampling rate.It ignores (M-1) samples between kth sample and (k+M)th sample.y is the output sequence over indices...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Sample Rate Altering Blocks Download |
This file obtain a Mann-Whitney's U of two random variables with continuous cumulative distribution associated to a p-value. This procedure is highly recommended for sample sizesnx and ny
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): MW1cv Download |
This file obtain a Mann-Whitney's U of two random variables with continuous cumulative distribution associated to a p-value. This procedure is highly recommended for sample sizes 7< nx and ny
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): MW2cv Download |
Probability of obtaining a Mann-Whitney's U of two random variables with continuous cumulative distribution. Based on the Fortran77 algorithm AS 62 Appl. Statist. (1973). This procedure is highly recommended for sample sizes 7< nx and ny
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): MW2cdf Download |
Fast, fully vectorised version of the Simpson's method for 2D domains. This code avoids the use of any for loops etc. For a given level of accuracy it can be an order of magnitude or more faster than dblquad.Examples are provided within the code.Useage:ans = simp2D('func',xs,xe,ys,ye,NX,NY)Input...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): 2D Simpson's Integrator Download |
Math::Geometry is a Perl module that implements classic geometry methods. It should be considered alpha software and any feedback at all is greatly appreciated. The following methods are available: vector_product. Also known as the cross product, given two vectors in Geometry space, the...
Platforms: *nix
License: Freeware | Size: 10.24 KB | Download (43): Math::Geometry Download |
Modern desktop icons of expo NY Apple hardware. Keywords: 2000 angle apple classic conference copland cube custom default desktop expo finder g4 g4cube hardware iconfactory icons imac macworld modern perspective pixel powermac replace replacement se2k snow standard summer system
Platforms: Mac
License: Freeware | Size: 102.4 KB | Download (42): MW Summer Expo 2000 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 |
F = FORMANT_LOC(A,L)Takes input row vectors A and L with area (cm^2) and length (cm) parameters. Row vector length equals number of tubes in desired model. Returns plot to find formant locations and numerical values for formant locations (in Hz) in F. NOTE: If zero-length tube is desired, enter...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (42): formant_loc.m 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 this issue, please refer to my book:M Galal Rabie, Fluid Power Engineering, McGraw-Hill, NY, May 18, 2009, pp 336-340This...
Platforms: Matlab
License: Freeware | Size: 983.04 KB | Download (40): Torque of electro magnetic torque motor Download |
In ApoSkunkman wegzudampfen it's about his opponent. Dazu legt ihr Stinktiere und hofft das die Gegner von dem Geruch umfallen =) This puts her hopes for the skunks and the opponent fall over from the smell Es ist so programmiert, dass man ganz leicht eine KI daf?*N?r schreiben kann und mit der...
Platforms: Mac
License: Freeware | Size: 348.16 KB | Download (40): Apo-Skunkman Download |
FOUR SUPER FUN CHRISTMAS GAMES FOR THE PRICE OF ONE!! N*NY?*a*z N*NY?*a* In this one app you get: N*NY?*a* Christmas Match-A-Roo! N*NY?*a* In this game children will have a blast improving their memory and overall cognitive skills. They can play by themselves or against someone else....
Platforms: Mac
License: Commercial | Cost: $0.99 USD | Size: 14.4 MB | Download (40): Santa's Bag of Games Download |