Published
Comparing Runs using Simulation Data Inspector
Do you use the Simulation Data Inspector? Here is an example where it saved me a lot of debugging time. Simulation...
13 years ago
Published
Zero-Crossing Detection… what are your options?
When using Simulink variable-step solvers, zero-crossing detection is very useful to capture events accurately. However for...
13 years ago
Answered
In a For Iterator Subsystem, how to use the iteration variable ?
The iteration variable is a signal coming out of the For Iterator block. Inside the subsystem, you can use a Selector block:...
In a For Iterator Subsystem, how to use the iteration variable ?
The iteration variable is a signal coming out of the For Iterator block. Inside the subsystem, you can use a Selector block:...
13 years ago | 0
Published
Implementing a PID Controller on an Arduino Board
This week my colleague Pravallika is back to continue her motor control story! In my previous post, we saw how to estimate...
13 years ago
Answered
Initial condition for Memory block with TRIM (Linear Analysis Tool)
The Memory block has an option "Direct feedthrough of input during linearization" if you do not want to initialize it during lin...
Initial condition for Memory block with TRIM (Linear Analysis Tool)
The Memory block has an option "Direct feedthrough of input during linearization" if you do not want to initialize it during lin...
13 years ago | 0
Answered
Pressure relief valve with proportional control
I recommend using a Pressure Sensor and the Variable Area Orifice. then write a Simscape component (or use blocks from the Physi...
Pressure relief valve with proportional control
I recommend using a Pressure Sensor and the Variable Area Orifice. then write a Simscape component (or use blocks from the Physi...
13 years ago | 0
Answered
linearising a non-linear plant model
It looks like you are in the right direction: - The System Identification Toolbox is the tool to identify the relation betwee...
linearising a non-linear plant model
It looks like you are in the right direction: - The System Identification Toolbox is the tool to identify the relation betwee...
13 years ago | 0
| accepted
Published
Creating Driver Blocks for Arduino, Lego, and other targets
As you may know, it is easy to run Simulink models on a set of supported target hardware. This has been possible since...
13 years ago
Published
To Latch or not to Latch?
Yesterday I explained to a colleague the effect of the Inport block option Latch input for feedback signals of function-call...
13 years ago
Answered
nested Simulink While Iterators
I don't remember using nested iterator subsystem myself. I was curious, so I searched our database and I cannot find reports of ...
nested Simulink While Iterators
I don't remember using nested iterator subsystem myself. I was curious, so I searched our database and I cannot find reports of ...
13 years ago | 0
Answered
Variable Time Step Solver
I confirm: The "tout" signal apply to all signals that have a "continuous sample time. If you want to see more of what the co...
Variable Time Step Solver
I confirm: The "tout" signal apply to all signals that have a "continuous sample time. If you want to see more of what the co...
13 years ago | 0
Answered
Modify dynamically a sample time in Simulink
Sample time cannot change during simulation. What you can do is set the sample time as the smallest possible rate you want to...
Modify dynamically a sample time in Simulink
Sample time cannot change during simulation. What you can do is set the sample time as the smallest possible rate you want to...
13 years ago | 1
Answered
Simscape: Create unidirectional Locking mechanism component
You will not be able to implement a pure lock. Using Simscape language, you could write an ssc-file to "lock" by enabling a stif...
Simscape: Create unidirectional Locking mechanism component
You will not be able to implement a pure lock. Using Simscape language, you could write an ssc-file to "lock" by enabling a stif...
13 years ago | 0
Answered
Difference between 3D Animation Toolbox vs SimMechanics?
If you already implemented the equations in Simulink I would go for Simulink 3D Animation. You will need to find/create VRML obj...
Difference between 3D Animation Toolbox vs SimMechanics?
If you already implemented the equations in Simulink I would go for Simulink 3D Animation. You will need to find/create VRML obj...
13 years ago | 2
Answered
Using same gobal simulation options for a model and all the models that are referred in it
Share the configuration, see details here: http://www.mathworks.com/help/simulink/ug/sharing-a-configuration-set-between-refe...
Using same gobal simulation options for a model and all the models that are referred in it
Share the configuration, see details here: http://www.mathworks.com/help/simulink/ug/sharing-a-configuration-set-between-refe...
13 years ago | 0
| accepted
Published
New for R2013a: Time Scope with Triggering!
Today we are happy to welcome guest blogger Kirthi Devleker to talk about a new trigger functionality added to the Time...
13 years ago
Answered
Comment a block or subsystem in simulink
Right-click on it and select "Comment out": http://www.mathworks.com/help/simulink/ug/editing-blocks.html#btms_1l Ctrl+Shi...
Comment a block or subsystem in simulink
Right-click on it and select "Comment out": http://www.mathworks.com/help/simulink/ug/editing-blocks.html#btms_1l Ctrl+Shi...
13 years ago | 2
| accepted
Published
Time to Convert to Variant Subsystems
If you are a user of Configurable Subsystems, it is time to start thinking about making the switch to Variant...
13 years ago
Answered
Simulink "While Iterator" subsystem development and debugging
The dataset logging format allows you to log all the iterations of For and While Iterator subsystems http://blogs.mathworks.c...
Simulink "While Iterator" subsystem development and debugging
The dataset logging format allows you to log all the iterations of For and While Iterator subsystems http://blogs.mathworks.c...
13 years ago | 0
| accepted
Answered
State Space with variable parameters
Do it with basic blocks. A few Product, Sum, and Integrator blocks will do the job. This solution might help: http://www.m...
State Space with variable parameters
Do it with basic blocks. A few Product, Sum, and Integrator blocks will do the job. This solution might help: http://www.m...
13 years ago | 0
| accepted
Answered
How to group same buses together over a MUX ?
Use Concatenate: http://www.mathworks.com/help/simulink/slref/concatenate.html
How to group same buses together over a MUX ?
Use Concatenate: http://www.mathworks.com/help/simulink/slref/concatenate.html
13 years ago | 0
| accepted
Published
Some of My Favorite New Features in R2013a
MATLAB R2013a is now available for download! At the end of this post, I reveal my favorite feature in R2013a… what will it...
13 years ago
Answered
how to integrat matlab simulink model in a raspberry pi????
You have a good timing! It is available today in R2013a: http://www.mathworks.com/academia/raspberry-pi/
how to integrat matlab simulink model in a raspberry pi????
You have a good timing! It is available today in R2013a: http://www.mathworks.com/academia/raspberry-pi/
13 years ago | 1
| accepted
Answered
HOW TO MAKE ODE14X RUN WITHOUT ERRORS?
Very likely this is because the dynamics in your model is too fast to be captured by the solver step size. You know... the Nyqui...
HOW TO MAKE ODE14X RUN WITHOUT ERRORS?
Very likely this is because the dynamics in your model is too fast to be captured by the solver step size. You know... the Nyqui...
13 years ago | 0
Answered
The art of delaying (discrete)
Sample Time Offset: http://blogs.mathworks.com/seth/2011/11/20/sample-time-offset/
The art of delaying (discrete)
Sample Time Offset: http://blogs.mathworks.com/seth/2011/11/20/sample-time-offset/
13 years ago | 1
| accepted
Answered
how to write a program or a simulink block of a 3 dimensional nonlinear torsional equations of a mechanical system?
This might help if you want to use SimMechanics: http://www.mathworks.com/tagteam/43892_AIAA20076479KennedyFinal.pdf
how to write a program or a simulink block of a 3 dimensional nonlinear torsional equations of a mechanical system?
This might help if you want to use SimMechanics: http://www.mathworks.com/tagteam/43892_AIAA20076479KennedyFinal.pdf
13 years ago | 0
Answered
Why does my If Action block have vertical bars next to port names?
It is an optional display to let you know if the execution context of the conditionally executed subsystem can propagate outside...
Why does my If Action block have vertical bars next to port names?
It is an optional display to let you know if the execution context of the conditionally executed subsystem can propagate outside...
13 years ago | 2
| accepted
Answered
Pneumatic Check Valve - how do I model one from basic elements?
You have 2 options: - Build it using basic components. This will very likely involve some mechanical components like spring-m...
Pneumatic Check Valve - how do I model one from basic elements?
You have 2 options: - Build it using basic components. This will very likely involve some mechanical components like spring-m...
13 years ago | 1
Answered
Programmatically Building a Rapid Simulation (RSim) Target
did you try slbuild? http://www.mathworks.com/help/simulink/slref/slbuild.html
Programmatically Building a Rapid Simulation (RSim) Target
did you try slbuild? http://www.mathworks.com/help/simulink/slref/slbuild.html
13 years ago | 0
| accepted
Answered
Identical blocks in Simulink with identical inputs from different sources results in different solutions
Are the colors in your image sample time colors? If yes, do you have the same response using ode1 solver? If ode1 solver give...
Identical blocks in Simulink with identical inputs from different sources results in different solutions
Are the colors in your image sample time colors? If yes, do you have the same response using ode1 solver? If ode1 solver give...
13 years ago | 1