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Variant subystems with mixed discrete/continuous?
I would be surprised if this is because of the derivative block. Usually, inactive variant should completely disappear. - Ens...
Variant subystems with mixed discrete/continuous?
I would be surprised if this is because of the derivative block. Usually, inactive variant should completely disappear. - Ens...
presque 14 ans il y a | 0
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Upgrading Simulink Libraries with Forwarding Tables and Transformation Functions
If you create and maintain Simulink libraries used in many models, or by many people, I think you will like this R2012a new...
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Breaking up a Stateflow Chart for Collaborative Development
This week I have been experimenting with a feature released in R2010b that I have not used before: Stateflow Atomic...
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My First Debugging Steps
Seth sometimes tells me: Grab the low hanging fruit. When debugging Simulink models, this means looking at the information...
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Is it possible to pass a parameter which represents the "sampleTime" at a 2-Level S-function?
IT should be possible to do something like: block.SampleTimes = [block.DialogPrm(1).data 0]; to set the sample from a para...
Is it possible to pass a parameter which represents the "sampleTime" at a 2-Level S-function?
IT should be possible to do something like: block.SampleTimes = [block.DialogPrm(1).data 0]; to set the sample from a para...
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Why do we need Stiff ODE Solvers?
I hope you have noticed the new MATLAB Central blog: Cleve's Corner. Cleve once said "stiffness is an efficiency issue." ...
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simscape/simelectronics stepper motor model not compatible with fuzzy logic controller?
As the error says... I recommend looking at the Subsystems Examples. More specificaly, give a look as "sl_subsys_semantics.md...
simscape/simelectronics stepper motor model not compatible with fuzzy logic controller?
As the error says... I recommend looking at the Subsystems Examples. More specificaly, give a look as "sl_subsys_semantics.md...
presque 14 ans il y a | 0
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Doubt regrading input as the Acceleration, Velocity and Position to get the desired position i.e. Angle for E.Motor
No sure I understand. Typically, you should have transfer function representing the dynamics of the motor (Input = Volt, Outp...
Doubt regrading input as the Acceleration, Velocity and Position to get the desired position i.e. Angle for E.Motor
No sure I understand. Typically, you should have transfer function representing the dynamics of the motor (Input = Volt, Outp...
presque 14 ans il y a | 2
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Creating Your Own Block With Continuous States (MATLAB S-Function)
In a previous post, I showed an example of a MATLAB S-Function with a discrete state This week, we continue in the same...
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Modelling of Robot contact with object
You have 2 options: 1. You can model only the arm (no wall in SimMechanics). Use a Body sensor to get the pose of the EE in S...
Modelling of Robot contact with object
You have 2 options: 1. You can model only the arm (no wall in SimMechanics). Use a Body sensor to get the pose of the EE in S...
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Simulink Student Challenge – Targeting Hardware: Win up to $500!
One of my favorite feature in R2012a is the Simulink Support for Target Hardware. Personally, I use it for many purposes....
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Writing a TLC file
I would start with the documentation page "Inlining S-Functions with TLC": http://www.mathworks.com/help/toolbox/rtw/tlc/bqlc...
Writing a TLC file
I would start with the documentation page "Inlining S-Functions with TLC": http://www.mathworks.com/help/toolbox/rtw/tlc/bqlc...
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Writing your own block with discrete states (MATLAB S-Function)
A few weeks ago, I noticed the following question on MATLAB Answers by K E: What are continuous and discrete states in...
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Loading a Simhydraulic Motor
The doc statement means that the Hydraulic motor itself does not include loads such mass spring and damping. This means that ...
Loading a Simhydraulic Motor
The doc statement means that the Hydraulic motor itself does not include loads such mass spring and damping. This means that ...
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Single-acting hydraulic cylinder for modeling a fuel regulator system in Simulink
It is very hard to determine a solution with those details. My feeling is that the problem is not with the solver, but with h...
Single-acting hydraulic cylinder for modeling a fuel regulator system in Simulink
It is very hard to determine a solution with those details. My feeling is that the problem is not with the solver, but with h...
presque 14 ans il y a | 1
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Pneumatic gas transportation system
What you mention is surprising. If you connect in series a reference, pressure source, an orifice (or pipe) and a reference, the...
Pneumatic gas transportation system
What you mention is surprising. If you connect in series a reference, pressure source, an orifice (or pipe) and a reference, the...
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THE Most Useful Command for Debugging Variable Step Solver Performance
Today I want to share a trick I often use to determine if a variable step simulation runs as fast as it...
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Tool for showing difference b/w two simulink model
Simulink Report Generator offers this functionality: http://www.mathworks.com/products/SL_reportgenerator/ See the documen...
Tool for showing difference b/w two simulink model
Simulink Report Generator offers this functionality: http://www.mathworks.com/products/SL_reportgenerator/ See the documen...
presque 14 ans il y a | 3
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Running simmechanics in discerete mode
SimMechanics requires a continuous solver. The solver can be variable or fixed step. The fixed-step solver closest to discret...
Running simmechanics in discerete mode
SimMechanics requires a continuous solver. The solver can be variable or fixed step. The fixed-step solver closest to discret...
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Simulink - Change continuous state value at a given time point
If you want to generate a "jump" in your continuous state, you must reset the block. This can be done in many ways. For example ...
Simulink - Change continuous state value at a given time point
If you want to generate a "jump" in your continuous state, you must reset the block. This can be done in many ways. For example ...
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Time values must be monotonically increasing error
Ensure you re 100% sure the value are increasing, for example by validating that each element of "diff(t)" is positive. If th...
Time values must be monotonically increasing error
Ensure you re 100% sure the value are increasing, for example by validating that each element of "diff(t)" is positive. If th...
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Goto/From connections cannot cross nonvirtual subsystem boundaries. The only exception is when a goto is connected to a state output port
The error message is clear... don't place GoTo block inside the triggered subsystem and corresponding From block outside. Use...
Goto/From connections cannot cross nonvirtual subsystem boundaries. The only exception is when a goto is connected to a state output port
The error message is clear... don't place GoTo block inside the triggered subsystem and corresponding From block outside. Use...
presque 14 ans il y a | 3
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How to make your own blocks with code! (Introduction to S-Functions)
I have to admit... before joining MathWorks, I was afraid of S-Functions. Now this makes me laugh, because I know that...
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stiffness problem / Trying to use ode1 (Euler) in Simulink
I would verify if the robot starts in a singular configuration. If you invert D, I guess this is because D is the manipulator...
stiffness problem / Trying to use ode1 (Euler) in Simulink
I would verify if the robot starts in a singular configuration. If you invert D, I guess this is because D is the manipulator...
presque 14 ans il y a | 0
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Save a value to variable (Simulink)
Use the Selector block: http://www.mathworks.com/help/toolbox/simulink/slref/selector.html You will be able to select rows...
Save a value to variable (Simulink)
Use the Selector block: http://www.mathworks.com/help/toolbox/simulink/slref/selector.html You will be able to select rows...
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How can I return from simulink to matlab thread?
SIM is blocking, it will return to your script only when the simulation terminates. If you want to start a simulation from co...
How can I return from simulink to matlab thread?
SIM is blocking, it will return to your script only when the simulation terminates. If you want to start a simulation from co...
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Hydraulic Gas-Charged Accumulator
The only thing I can guess based on your description is that you have something connected wrong. Did you look at the demo "sh...
Hydraulic Gas-Charged Accumulator
The only thing I can guess based on your description is that you have something connected wrong. Did you look at the demo "sh...
environ 14 ans il y a | 1
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State Space Representation of a Custom Simscape Component
Interesting... I never tried combining states with different units into a vector. Since your example is a simple linear sprin...
State Space Representation of a Custom Simscape Component
Interesting... I never tried combining states with different units into a vector. Since your example is a simple linear sprin...
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How to Load and Save Bus Signal Data
In R2012a, the From Workspace, To Workspace, From File and To File blocks all support bus signals. This is an often...
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Using if/action blocks within an algebraic loop?
As you figured out, the algebraic loop solver uses a gradient descent method to solve the loop. The If/Else construct causes a d...
Using if/action blocks within an algebraic loop?
As you figured out, the algebraic loop solver uses a gradient descent method to solve the loop. The If/Else construct causes a d...
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