Yifeng Tang

MathWorks

Last seen: 2 jours il y a | Actif depuis 2020

Followers: 15 Following: 0

Programming Languages:
Python, MATLAB, Fortran
Spoken Languages:
English, Chinese
Pronouns:
He/him
Professional Interests:
Physical Modeling, Simscape Fluids, Simscape, Heat and Mass Transfer, Thermodynamics and Heat Transfer

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Réponse apportée
Orifice (TL) temperature-dependent parameterization
I can see two ways to move forward. One relies nearly solely on test data and the other incorporating more physical insights bu...

1 jour il y a | 0

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The 'Evaluate' attribute is not valid - Simscape masking
Hi @Bart Peremans, Here are more details on the idea I mentioned. I suggest that you look into making a composite component us...

3 jours il y a | 0

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Model Perfectly conducting fluid pipe simscape
Use a Constant Volume Chamber of represent to coolant volume in your radiator. Connect a thermal resistance block to the H port...

4 jours il y a | 1

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Can the points of a Simscape Point Cloud be exported for use in another block?
I hope I understood your goal correctly: you want to be able to implement a custom set of equations inside the "Spatial Contact ...

4 jours il y a | 0

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HPPC参数估计
This documentation page may be useful https://www.mathworks.com/help/simscape-battery/ug/hppc-parameter-estimation-workflow.htm...

30 jours il y a | 0

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How to distinguish two trace gases in a moist flow network in Simulink?
Hi @Vidyadhar, Trace gas source only add, as the name suggests, the trace gas. It won't add any dry air. To add dry air, the ...

environ un mois il y a | 1

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How to model a vertically mounted gas-sprung hydraulic height-controlled piston in Simscape?
Something similar to this should work: Be careful with the direction of the force and motion though. Pointing up to down on ...

environ un mois il y a | 0

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How to call the thermal liquid T-junction component in the simscape code?
Hi @Yingxuan, Here is a method that will work with any block in the Add-On libraries. The key idea is to use the subsystem2ssc...

environ 2 mois il y a | 1

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Representing an orifice whose length is greater than the orifice diamter using Simscape Fluids (IL)
Hi @ty, I agree with what @Chuguang Pan has discussed: the Pipe (IL) block and the Orifice (IL) block can be useful here. Anot...

environ 2 mois il y a | 2

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Building and Embedding a Reduced Order Model in National Instruments Hardware (cRIO)
Given the dynamic nature (I think) of your system model, I wonder whether you could make use of the Reduced Order Modeler app: h...

environ 2 mois il y a | 0

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Create Simscape protected or pre-compiled model for users who don't have Simscape licenses
I don't think Model reference, protected or not, will allow the user to run without Simscape. Do you have the licenses needed t...

environ 2 mois il y a | 0

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How to reset the temperature of a Simscape Thermal Mass block at a specific time?
Hi @Alexander Maybe this setup will do what you want. I attached a proof-of-concept model. A thermal mass is heated by a heat ...

environ 2 mois il y a | 0

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如何在simscape里构建蒸发式冷凝器，这涉及到传热与传质的过程
Hello 忠宇, I'd like to revisit this question. While I don't think there is a new block for this evaporative condenser you want,...

2 mois il y a | 1

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Can ode15i solve a stiff DAE?
I would suggest that you try ode15s or ode23t instead. While ode15i, being an implict solver, may work well with stiff system o...

2 mois il y a | 0

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How to simulate electro-hydraulic actuator system with hydraulic oil thermal effect in Simscape
Use the components from the Thermal Liquid (TL) domain. You will need to parametrize each component based on your system or the...

2 mois il y a | 1

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Role of the "Anode Exhaust" subsystem in PEMFC Simscape model and hydrogen flow path decision
In most PEMFC system, the anode side doesn't vent to the outside like the cathode side. Unused hydrogen are too precious to be ...

3 mois il y a | 1

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Réponse apportée
How can I load a final state of a Simscape model in generated code?
Some thoughts: I wasn't about to generate code when xInitial is enabled. Not sure if it's because that's not supported or beca...

3 mois il y a | 0

| A accepté

Réponse apportée
Measure the model mass and moment of inertia of the component detached from the main body
Hi @Ming As @Shishir Reddy mentioned, it appears that the inertia sensor spans the weld joints at the beginning of the simulati...

3 mois il y a | 0

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How to integrate PEM electrolysis system and PEM fuel cell system to form ‌the DC Electrical Power System?
Check out this examples: Green Hydrogen Microgrid https://www.mathworks.com/help/sps/ug/green-hydrogen-microgrid.html. See how ...

3 mois il y a | 0

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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...

3 mois il y a | 0

Réponse apportée
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...

3 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...

3 mois il y a | 1

Réponse apportée
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...

3 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...

5 mois il y a | 0

| A accepté

Réponse apportée
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...

5 mois il y a | 1

Réponse apportée
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...

5 mois il y a | 0

| A accepté

Réponse apportée
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...

6 mois il y a | 0

| A accepté

Réponse apportée
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...

6 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...

6 mois il y a | 0

| A accepté

Réponse apportée
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...

6 mois il y a | 0

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