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How can I avoid extreme slowdowns in Simscape Multibody when a robot with spatial contact forces comes to a stop?
Some suggestions: In solver profiler, look at tab showing which blocks are causing the solver exceptions, and check if it's ind...

6 mois il y a | 0

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How to Create and Integrate a Simulink-Based Digital Twin of a Submersible Pump Test Rig with Arduino Sensor Data
Hi @AVICHAL, If you believe you've included all key governing equations in you Simulink model, then indeed you'll need to ident...

6 mois il y a | 0

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Terminate Simulink simulations in parfor loop after some run time
Consider use the sim command to execute your model, and set a maximum simulation run time using the "TimeOut" option. For examp...

6 mois il y a | 1

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Optimal decimation to Log Simulation Data
If you put a time vector in the "Data Import/Export" - "Save Options" - "Produce Specified Output Only" - "Output Times", you sh...

6 mois il y a | 0

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Simscape Fluids - 2 resevours, 1 flow rate source model results in pressure below allowed minimum.
Looks like a parametrization issue to me. In your model, the pressure at the inlet (point 1) is fixed by the upstream reservoir...

8 mois il y a | 0

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Can the PEM Fuel Cell Simscape model be scaled down to 100 W?
I can share a case study where the original model is scaled UP by 4 times, to around 400kW. Maybe you can repeat the workflow f...

8 mois il y a | 1

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Control of dehumidifier with system level heat exchanger
Summarize the information exchange in the "Comments": Changing the "nominal rate of heat-transfer" is like change the heat exch...

8 mois il y a | 0

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Simulation of BLDC Motor - error with derivative of omega
Hi Marcel, I'm NOT an expert in BLDC motor but I'm in general interested in Simscape language and customization. Could it be a...

9 mois il y a | 0

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How Hydrogen pressure increase to 3MPa without compressor in this control?
As hydrogen is produced at the Cathode from the electrolysis process, the pressure in the upstream volume will increase. This c...

9 mois il y a | 0

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Simscape Inheritance - Parameters as structs or objects
I think it's possible to mimic the code inside Thermal Liquid Properties to do what you envisions. (1) define a class for the d...

10 mois il y a | 0

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How to build up a motor that controls the speed of an centrifugal pump through an ideal torque source?
Hi Malte, In your model right now the torque source R port is also connected to the mechanical reference (ground), so no moveme...

10 mois il y a | 0

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How to Set Initial Position for a Mass Block in Simscape?
Hi @José, In the mechanical translational domain, the domain variables are the velocity and the force. In general, the displac...

10 mois il y a | 1

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Problem with two phase Fluid Tables properties for mixtures for Simscape Matlab using CoolProp
Hi Adam, I think there is path forward, but it'll require some work. The error message you and I saw was generated by the fact...

10 mois il y a | 0

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How to protect a model with simscape interfaces?
Hi @Carolina, As Model Reference and Model Protection won't allow physical connection through the subsystem/model boundary, it'...

10 mois il y a | 0

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How to export data logging in Simcape simulation by second?
First thing to check, whether you are limiting the number of data points to keep. I suspect so, as your tout variable has lengt...

10 mois il y a | 0

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How to add functionality to simscape multibody?
Hi Mark, Simscape Multibody, unfortunately, can't be customized in the same way as other physical domains in Simscape. I would...

11 mois il y a | 0

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I need help coding a custom block on Simscape
This compiled without an error component pelton_turbine % Ce composant calcule le couple généré par l'eau sur la turbine. % 🔹...

11 mois il y a | 0

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In Simscape, is there an equivalent to the Two-Phase Fluid System components that support Phase-Change-Materials (solid-liquid-transition)?
Hi @Philipp, I attached a simple proof-of-concept. The mlx script add an offset to the u(T) property after T is greater than t...

11 mois il y a | 0

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Orifice (2P) Parametrization and Control
Hi @Rinaldo Is S a physical signal between 0 and 1, no units (unit = 1)? S is a position input, with a length unit (m, cm, m...

11 mois il y a | 0

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I have a subsystem in Simulink with LConn and RConn blocks, some from Simulink Electrical and others from Simscape. How can I retrieve their type info from MATLAB?
I think this will help: myBlock = 'example/Subsystem'; port_handles = get_param(myBlock,"PortHandles") inports = port_han...

11 mois il y a | 0

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I added a constant heat flow source to the pipe but I couldn't see any temperature increase to the fluid which flows
This should work fine. This is how heat is added to the coolant in some examples in the Documentation as well, like Electric Ve...

11 mois il y a | 0

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Issue with Basin Level Fluctuation After Parallelizing Cooling Towers in MATLAB Data Center Cooling Example
It looks like those two T-junctions are creating different flow resistance into the two towers. As a result, the inflow can flu...

11 mois il y a | 0

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Load simulation state in Simulink Coder generated C code
Hi @Zoltán Runyó, I think it's possible to do what you are envisioning using "Simulink Parameters" in the initial conditions. ...

11 mois il y a | 0

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Error in the Documentation and Modeling of the Polytropic Process in Positive Displacement Compressors
Hi @ROBERTO, This looks like an error in the documentation to me right now. I measured a few more quantities from the model. ...

11 mois il y a | 0

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How can I properly include the effect of wall thermal in the geometry based Condenser Evaporator (2P-MA) block?
Hi Roberto, The R2025a release (still in pre-release as of 3/7/2025) now has wall-thermal mass as an option for several geometr...

11 mois il y a | 0

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Convert a 2013a multibody model to 2022b
Looks like some of the frames need a rotation. I'm not sure about what mechanism you are trying to model, but right now, the th...

11 mois il y a | 1

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How to control pressure gain and mass flow with Fixed Displacement Pump
Hi Nadir, From you model, I measured of 9.2MPa. This is consistent with the formula you showed. I believe when you put in th...

11 mois il y a | 0

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How can I reduce excessive bouncing in my small quadruped Simulink model using Spatial Contact Force settings while joints run in position mode?
I use the following guideline when parametrizing "hard-stop" in hydraulic components (like a cylinder). You may find this simil...

11 mois il y a | 0

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Modelling multistage expansion of compressed air in a single cylinder engine
Hi @Kyle I feel like the model should look similar to that diagram you have. Single-cylinder engines can be modeled using a Me...

12 mois il y a | 0

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Are gas properties for common gasses (i.e. oxygen, nitrogen, CO2) defined anywhere for use in Simscape?
REFPROP and CoolProp will be the best path forward. I'm not aware of such a library in Simscape. If you are working with N2, O2...

12 mois il y a | 0

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