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Jan Houska


Humusoft s.r.o.

Last seen: Today Active since 2003

Jan Houska is the director of applications and development at Humusoft s.r.o., the MathWorks distributor in the Czech Republic and Slovakia. Humusoft also develops Simulink Desktop Real-Time that is a part of MathWorks' product family.

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Answered
How do I prevent sldrtkernel -install from hanging?
Hi Jay, it is possible that the real-time kernel service is busy communicating with another process which prevents it from bein...

24 dagen ago | 0

Answered
Setup board or select board via popup in Simulink Desktop Real Time packet library
Hi Khalid, the driver-related parameters of the Packet Output block are specific for individual drivers and undocumented for pr...

2 maanden ago | 0

| accepted

Answered
R2024a Prerelease will not start due to OpenGL Startup Plugin Fatal Error
Hi, please go to Windows Defender and restore the file "C:\Program Files\MATLAB\R2024a\bin\win64\ddux.dll". It has been falsely...

3 maanden ago | 3

| accepted

Answered
How to implement Ethernet Communication in Simulink Desktop Real-Time
Hi Chuguang, this means that you are using a very old version of MATLAB. TCP protocol support has been added in R2018a, almost ...

4 maanden ago | 0

Answered
How to implement Ethernet Communication in Simulink Desktop Real-Time
Hi Chuguang, it depends on what you mean by Ethernet Communication. If you mean UDP or TCP/IP (which both often work over Ether...

4 maanden ago | 0

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Answered
Simulink Desktop Real-Time Analog support for custom NI boards
Hi Fabian, if you are OK with using the Connected IO mode of Simulink Desktop Real-Time, you can try to use the block Data Acqu...

4 maanden ago | 1

Answered
Using the block "Counter input" to measure the signal from a quadrature encoder
Hi Tobias, this typically happens when there are spurious pulses present at the encoder input pins. The most common source of s...

6 maanden ago | 0

Answered
Which Linux kernel is compatible with Simulink Desktop Real-Time?
Hi Diego, please see the folder names in toolbox/sldrt/kernel/glnxa64 . They correspond to supported kernel versions. For Ubunt...

6 maanden ago | 1

Answered
Using the block "Counter input" to measure the signal from a quadrature encoder
Hi Tobias, instead of the Counter Input block, you should be using the Encoder Input block to read data from the counter in qua...

6 maanden ago | 0

Answered
Writing TLC for Level 2 M files s function
Hi Faisal, unfortunately you will not be able to write a TLC for this function that would be usable in Simulink Desktop Real-Ti...

7 maanden ago | 0

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Answered
Simulink Desktop Real-Time and UDP communication with Python
Hi Matteo, just some random thoughts that may or may not help you with your problem: All Simulink Desktop Real-Time blocks syn...

9 maanden ago | 0

Answered
Simulink model is not communicating with EtherCAT device despite no errors
Hi, Simulink Desktop Real-Time has no EtherCAT support that I know of. If you are using EtherCAT blocks from a library of a dif...

9 maanden ago | 1

Answered
Manual Switch management for Simscape simulation
Hi, for the first issue, if the discontinuity is the problem, a simple first-order delay should do the trick. However, feeding ...

9 maanden ago | 0

Answered
Custum level-2 MATLAB S-function problem with desktop real-time simulink
Hi Julien, Level-2 MATLAB S-functions do not generate C code, and therefore cannot be used by Simulink Desktop Real-Time in Run...

9 maanden ago | 0

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Answered
Analog input block Simulink Desktop Realtime
Hi, this should indeed work, with no additional setup required. But please verify the setting of the A/D connection option - to...

10 maanden ago | 0

Answered
sprintf or snprintf does not work in SLDRT kernel mode
Hi Howard, I'm not sure what is exactly your use case, but if you are using snprintf to form a message you will then send to so...

11 maanden ago | 0

Answered
custom hardware interface for Simulink Desktop Real-Time
Hi Michiel, Simulink Desktop Real-Time has no specific support for IEC 61850. To implement it, it depends on what execution mod...

11 maanden ago | 0

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Answered
error: The model contains a block that requires to include the "dlfcn.h" header in its generated code.
Hi Wonjin, you cannot use the CAN FD Send or Receive blocks from Vehicle Network Toolbox with Simulink Desktop Real-Time. Pleas...

11 maanden ago | 0

Answered
SLDRT CPU utilization when running a model in Kernel mode
Hi Howard, the fact that CPU utilization shows up as 100% when model runs in Run in Kernel mode is due to CPU power state being...

12 maanden ago | 1

| accepted

Answered
What is the proper way to use Stream Input and Stream Output blocks simultaneously?
Hi Zach, to use both Stream Input and Stream Output blocks with one serial port, you configure the serial port in one of the bl...

12 maanden ago | 0

Answered
3D visualization error in simulink
Hello, please see the Simulink 3D Animation product and the vr_octavia example. This example uses 3D visualization engine based...

12 maanden ago | 0

Answered
How to properly handle objects within level-2 Simulink S-Functions
Hi Zach, while this does not directly answer your question, have you tried to use the Packet Input/Output or Stream Input/Outpu...

12 maanden ago | 1

| accepted

Answered
Audio generation in Simulink Desktop Real-Time
Hi Cecilia, Simulink Desktop Real-Time operates sample-by-sample, whereas a typical audio device expects buffered waveform sign...

ongeveer een jaar ago | 0

Answered
Unable to find S-function module in Simulink 3D Animation toolbox
Hi PJ, the Joystick Input block is not supported for code generation. The block uses joystick device I/O of the operating syste...

ongeveer een jaar ago | 0

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Answered
Simulink 3D Animation on "Monitor and Tune" mode
Hi Gaia, Simulink 3D Animation is able to work with hardware targets that use the classic External Mode communication protocol....

ongeveer een jaar ago | 0

Answered
How to color specific parts of an STL object in 3D World Editor
Hi Alex, your geometry is most probably a hierarchical tree of Transform nodes that contain Shape nodes. These contain Geometry...

ongeveer een jaar ago | 0

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Answered
How to change the origin point of a transform Node in 3D World Editor ?
Hi Nuri, you can use nested Transform nodes. You first create a Transform node that puts your rotating object to the center of ...

ongeveer een jaar ago | 0

| accepted

Answered
Connect Vector device to Packet Input block with Simulink Desktop Real-Time
Hello, in the Vector Hardware Config tool, please create an application named MATLAB and assign the CAN channels you want to us...

ongeveer een jaar ago | 0

| accepted

Answered
Receiving variable length packets through a com port in Simulink using SLDRT package
Hi Howard, the most important question is how you tell the start and end of the packet. If this is by some byte sequence, proba...

ongeveer een jaar ago | 0

| accepted

Answered
How to make rotation and translation options available while choosing source file for VR Sink ?
Hi Nuri, any X3D node that you want to access from Simulink must be named. So please open your X3D world in the 3D World Editor...

ongeveer een jaar ago | 1

| accepted

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