# Cosimulation with MATLAB and Simulink
**URL:** https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440
**Category:** Pulse Physiology Engine
**Created:** [April 7, 2020, 1:07pm UTC](https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440 "2020-04-07T13:07:48Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@dhoadley](https://discourse.kitware.com/u/dhoadley)
#### Post date: [April 7, 2020, 1:07pm UTC](https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440/1 "2020-04-07T13:07:49Z")
I am attempting to connect Pulse with MATLAB and Simulink as part of the COVIDBreathSim project. The howto project seems to be a good place to start, but I am having trouble getting the application to run on Windows 10. I followed the Wiki and (presume) successfully created the Pulse engine static libraries. I then tried to use CMake (first time user) to set up a MSVC 2015 project for the SDK. It did not find the Pulse build directory, so I added those manually. Still, I end up with an inscrutable error from the build process.
I tabled that and created my own MSVC project, added the include paths and libraries, and I eventually got a howto-like build. When I try to run that build within Visual Studio, I end up with an exception at m\_Engine.GetEngineTracker()-\>TrackData(m\_Engine.GetSimulationTime(TimeUnit::s));
The comes during the HowToMechanicalVentilation() call.
(I did already change the working directory to the \bin of my built Pulse installation to find the config files)
When I run the test exe at the console in the installation directory, I get this output:
C:\projects\Pulse\builds\install\bin\>PulseTest
[INFO] : [0(s)] HowToMechanicalVentilation
[INFO] : [0(s)] Tidal Volume : 527.076mL
[INFO] : [0(s)] Systolic Pressure : 113.753mmHg
[INFO] : [0(s)] Diastolic Pressure : 73.0416mmHg
[INFO] : [0(s)] Heart Rate : 73.1707bpm
[INFO] : [0(s)] Respiration Rate : 12bpm
[INFO] : [0(s)] Oxygen Saturation : 0.974336
FATAL:Unknown Data Request : RespirationMusclePressure :
[FATAL] : [0.02(s)] Unknown Data Request : RespirationMusclePressure
Are there any related known issues with the 2.3.0 release?
Thanks,
Dave.
---
### Author:  [@abray](https://discourse.kitware.com/u/abray)
#### Post date: [April 7, 2020, 11:55pm UTC](https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440/2 "2020-04-07T23:55:56Z")
I believe you are trying to request “RespiratoryMusclePressure”
List of strings for respiratory data requests are here:
[https://pulse.kitware.com/\_c\_d\_m\_tables.html#RespiratorySystemTable](https://pulse.kitware.com/_c_d_m_tables.html#RespiratorySystemTable)
---
### Author:  [@dhoadley](https://discourse.kitware.com/u/dhoadley)
#### Post date: [April 8, 2020, 11:57am UTC](https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440/3 "2020-04-08T11:57:44Z")
Indeed, that was the issue! Please note that I was working off your example in HowTo-MechanicalVentilation.cpp. It requests 2 data items that are apparently out of date with this list:
RespirationMusclePressure (now RespiratoryMusclePressure) and PulmonaryResistance, which now appears separated into Inspiratory and ExpiratoryPulmonaryResistance. I made those updates and was able to simulate.
Thanks,
Dave.
---
### Author:  [@abray](https://discourse.kitware.com/u/abray)
#### Post date: [April 8, 2020, 12:43pm UTC](https://discourse.kitware.com/t/cosimulation-with-matlab-and-simulink/440/4 "2020-04-08T12:43:57Z")
Thanks for letting us know!
I would also suggest to checkout the feature/multiplex\_ventilation branch
(Branched off of 3.x)
This is also a pretty good resource for CMake
[https://cliutils.gitlab.io/modern-cmake/](https://cliutils.gitlab.io/modern-cmake/)
The 3.x has a much improved CMake system
You should be able to use the find\_package and set the Pulse\_DIR to the install/lib/cmake/PulseXXX folder to get its CMake interface target for use in your projects
Sorry we were late in responding
Post Pulse questions here :
[https://discourse.kitware.com/c/pulse-physiology-engine/](https://discourse.kitware.com/c/pulse-physiology-engine/)
The Pulse teams gets notifications for posts there and respond pretty quickly