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Hydraulic Valve Parameters From Data Sheets and Experimental Data

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Hydraulic Valve Parameters From Data Sheets and Experimental Data


Steve Miller (view profile)


16 Apr 2010 (Updated )

Models and white paper on obtaining realistic parameter values from data sheets and measured data.

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This submission was created by Valery Tchkalov and Steve Miller to help engineers understand parameterization of hydraulic valves. The included white paper, simulation models, and MATLAB scripts cover the structure of a valve model, examples of how to use optimization algorithms to tune your valve parameters so that your simulations match characteristics on manufacturer’s data sheets, and how to use experimental data to determine realistic parameter values. The power stage and control device of valves are discussed, and the models include steady-state, transient response, and frequency domain examples.
Please read the README.txt file to get started.
For an explanation of valve modeling and several of the examples contained in this submission, please watch, “Hydraulic Valve Parameters From Data Sheets and Measured Data“

Three of the examples are shown in videos:

1. Tuning hydraulic valve parameters to match flow rate characteristics:

2. Tuning hydraulic valve parameters to match transient characteristics:

3. Tuning hydraulic valve parameters to match frequency characteristics:

To find other Simscape examples, search for posts with the keyword "physical modeling"

To learn more about MathWorks Simscape Products, go to:

Required Products Optimization Toolbox
Simscape Fluids
Simulink Control Design
Simulink Design Optimization
MATLAB release MATLAB 9.0 (R2016a)
MATLAB Search Path
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Comments and Ratings (4)
29 Sep 2016 Gianmaria Celico Fadini

I think that there is an error in obj_find_prop_valve_driver_param.m on line 28.
The name of the variable used is "time_const" and must be corrected to "time_constant".

Did someone have the same issue?

Comment only
12 Jan 2015 sang chul Han

Example 8a is not match to video. Let me know this problem

04 Aug 2013 Hisahiro

Data_Sheets folder as well as the PDFs underneath do not exist, which prevents the hyperlink in the Demo Script HTML from working. It would be nice if it is corrected.

Comment only
10 Jun 2011 Jithendra Dharmavaram

I always wanted to use the values from datasheets. Thanks for sharing information

16 Apr 2010 1.1

Added link to white paper.

30 Apr 2010 1.2

Added additional example models that use Simulink Design Optimization and Simulink Control Design.

07 May 2010 1.3

Added links to videos

14 May 2010 1.4

Added link to webinar

15 Jul 2013 1.5

Updated links to videos in "Description" field. No changes to submission files.

17 Apr 2014 1.6

Fixed webinar link.

07 Mar 2016 1.7

Added R2016a version.

01 Sep 2016

Updated license

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