Jonas

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191 total contributions since 2019

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Answered
[Simulink] How can I specify to start a matlab embedded function's execution only when receiving a specific signal ?
Put the MATLAB Function inside an Enabled Subsystem.

7 días ago | 1

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My main folder is not generated during code generation of simulink model
Did you check 'Generate an example main program' under Code Generation > Templates?

10 días ago | 0

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where is function block parameters:fcn that expression ex) sin(u(1))+cos(u(1))
Apparently the Fcn block is now considered obsolete and not recommended for usage, see its documentation. It has been removed fr...

12 días ago | 0

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Plotting a signal with XY Graph (Simulink)
Send a Sinewave signal through a Relay block and plot the two signals using a XY Scope block.

13 días ago | 0

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Trying to create a controller to maintain a certain speed
Use a PI-controller which receives 60MPH as setpoint and receives the actual speed, which controls the engine torque.

18 días ago | 1

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Executing Triggered/Enabled Subsystem
Use a Function Call Subsystem. In your Stateflow chart, use an Event and execute that on a state transition. Set the type of the...

18 días ago | 0

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setting priorities on atomic subsystems
When using Data Store Memories, Simulink does not relate execution order from the placement of Data Store Read versus Data Store...

18 días ago | 0

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How do I remove a signal from a scope?
Enable to display the Legend in the Scope. Click on the signal in the Legend box to hide it.

18 días ago | 0

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Embedded Coder - How to generate code from subsystems, without optimizations ?
You can force Embedded Coder to create a separate function of a Subsystem by checking the option 'Treat as Atomic Subsystem' fro...

24 días ago | 0

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Help on Matlab Simulink
Set the initial value of the 1/z Unit Delay block to 31.

25 días ago | 0

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What is the difference between rtu and rtb varibles in auto code generation from simulink data?
By default, local block output variables are appended with the prefix 'rtb_'. This setting can be changed in the Configuration P...

25 días ago | 0

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Answered
where to place the "From" block in this simulink model
Just delete the Goto blocks if you don't use them or disable the diagnostic for missing From blocks in the Configuration Paramet...

26 días ago | 1

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Dimensions being inconsistent even though nothing has changed the output
The [1x1] seems to suggest it is interpreted as a matrix (although with height and width of 1), and not as a scalar with dimensi...

alrededor de 1 mes ago | 0

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How to plot the trajectory of point in Simscape?
Use the XY Graph block from Simulink.

alrededor de 1 mes ago | 0

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need output for a time interval of 1 month
If you set the time step to 1, you can just build your model where one time step equals one month. Time in Simulink is relative....

alrededor de 1 mes ago | 0

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A question about the current control for BLDC (Trapezoidal motor)
I did not open your Simulink model, but if the current rises so slowly, I would think either the inductance of your motor is too...

alrededor de 1 mes ago | 1

Answered
Implementing a discrete buffer, i.e. a Memory Block with multiple frames
Here is example code for storing the last 10 samples. Of course, you can adapt to memorize more history samples. Summary: Use a...

alrededor de 2 meses ago | 0

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Answered
Repeating pattern when sending serial data in Simulink
If you place blocks in a Simulink model, the blocks will be executed with a certain cycle time. This means thus you are sending ...

alrededor de 2 meses ago | 0

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Answered
Why does Simulink mark a subsystem in purple?
Received feedback from MathWorks Support that it is a bug that the purple highlighting persists and a bug fix has been requested...

alrededor de 2 meses ago | 1

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Question

Why does Simulink mark a subsystem in purple?
Simulink has marked a subsystem with a purple border. The border color of the block itself is still black, but there is another ...

alrededor de 2 meses ago | 2 answers | 0

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Answered
Repeating sequence as an input to a stateflow chart from Simulink, the first value is not read and calculated
Add breakpoints in you Stateflow model, and then step each and every cycle to analyse the value of the input ports and the state...

alrededor de 2 meses ago | 0

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how to get current path in a stateflow？
You should look into Stateflow Animations. It will highlight the latest path taken in blue during simulation, and the last path ...

alrededor de 2 meses ago | 0

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Answered
How to calculate integral (surface area bellow curve) in Simulink?
Integrator block

alrededor de 2 meses ago | 1

Question

Slower simulation than usual
Hi all I am running a simulation in Simulink. Usually the simulation takes about 15 minutes in real-time for 60 seconds of simu...

alrededor de 2 meses ago | 0 answers | 0

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Answered
When is subsystem reference a better choice than model reference?
Subsystem References is new functionality to Simulink, it is only supported since R2019b. So industry will only slowly evolve to...

alrededor de 2 meses ago | 1

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simulation time in hours
I am not particularly certain how your model behaves dynamically, and if it is made in the discrete time space or continuous tim...

alrededor de 2 meses ago | 0

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How can I count the number of times an input reaches a certain value?
Take the signal for the frost layer thickness, use a Relational Operator to compare if the signal is larger than a constant of 8...

alrededor de 2 meses ago | 0

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How to linearly fit a semilog graph
https://nl.mathworks.com/matlabcentral/answers/163349-linear-fit-of-a-semilog-graph?s_tid=answers_rc1-1_p1_MLT https://nl.mathw...

alrededor de 2 meses ago | 0

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How many Workspace's we have in MATLAB ?
There are three locations to store model data: Base workspace Model workspace Data dictionary Find more info here on the com...

2 meses ago | 0

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Breakdown the matrix signal into individual signals in Simulink
If you have a vector signal with three elements, you can extract those elements using the Demux block. The Mux block allows crea...

2 meses ago | 0