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Yifeng Tang

MathWorks

Last seen: ein Tag ago Active since 2020

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Answered
I want to make 70 kw fuel cell system on simulink
Hi Anmol, Let me suggest a few options: 1. Get R2021b pre-release. If you have an active license of MATLAB and the necessary...

12 Tage ago | 0

Answered
I'm having trouble installing the smlink.r2020b.win64.zip package
I suggest that you contact Technical Support on this. They are very good at handling installation issues.

25 Tage ago | 0

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Answered
First solve for initial conditions failed to converge in Simscape model
I suspect this may have to with the two "A" ports connected directly to each other, meaning there is no volume or flow resistanc...

25 Tage ago | 0

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how can i modeling the desiccant system in simscape?
See the 2nd comment above for the answer.

25 Tage ago | 1

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Answered
Simscape_Thermoelectric:_Model: How do i get Temperature derating Curve of Automotive Fuse after the Fuse Temperature reaches the melting temperature (tripping situation)?
Hi Alpesh, One suggestion: consider using modechart to model discrete states (melt & normal) of your component. You definite h...

28 Tage ago | 0

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Degenerate mass distribution after reducing step size and using state-space model
ODE4 is an explicit solver, so it tends to be less stable when the time step is "large". You trying to reduce the time step is ...

28 Tage ago | 2

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Answered
Is there anyway I can import a SolidWorks Assembly into Simulink and then make changes in SolidWorks appear in Simulink?
It won't be "automatic", and it depends on what you have changed in SolidWorks. It's easy to replace a solid part in Multibod...

30 Tage ago | 0

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Answered
How can I fix the "internal energy 'too low' " error in Simscape?
I'll have to make some guess ... could you please check how the heat flows into or out of the H port of the accumulator? The er...

etwa ein Monat ago | 0

Answered
Is there a way to model a pipe under vacuum pressure using Simscape?
Hey Delika, Thanks for the clarification. It seems to me that it's possible to model the evaporation and condensing effects at...

etwa ein Monat ago | 1

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How can I properly set a valve with catalogues parameters?
Hi Lucca, To parametrize the pressure-flow curve or an area-vs-position table in the valve block, you'll likely need to use the...

etwa ein Monat ago | 1

Answered
Retrieve a list of simscape.logging.Node names from simlog or other inner nodes
fieldnames(simlog_ssc_dcmotor) seems to work OK for me. Same way you would get the names of a structure variable. ssc_dcmotor ...

etwa ein Monat ago | 0

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Answered
Branching of a two-phase fluid
Hi Kai, You are using the "Orifice (2P)" block to model the valve, right? Good choice, I'd say, but there are a few things you...

etwa ein Monat ago | 1

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Answered
Problem with Custom Heat Exchanger (G-TL) model
There is a G-TL heat exchanger block available in Simscape Fluids, starting in R2019a. The source code is not visible since it'...

etwa ein Monat ago | 0

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Cartridge Valve Insert-Simscape Fluid
Looking at the Documentation of this block, I don't think the forces would be in the right direction if you use this block. Als...

etwa ein Monat ago | 0

Answered
Modelling Wave Forces on a Buoy
Thanks for sharing the model. Looks like the main issue is caused by the source term inside the Heave Wave Force Signal. It ...

etwa ein Monat ago | 0

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Answered
Approximated Compressor Map by empirical Coefficients - basic compressor in a moist air network (Aircraft Environmental Crontol System)
Couple things to try: Item 4 in this example allows you to plot the compressor map for the given coefficients. In the actual c...

etwa ein Monat ago | 0

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Answered
Simscape use of inertia and mass blocks
I suspect there is something else going on in your model. It's currently set up with wheel and axle as the conversion mechanism...

etwa ein Monat ago | 0

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Answered
Simscape error referring to equation location as folder path
It's complaining about unable to solve for initial conditions. There may be conflicting or inconsistent initial variable values...

etwa ein Monat ago | 0

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How to understand the simulation results using basic components in Simscape->foundation library-->mechanical?
Hello Liqun, The direction in Simscape is usually defined by the movement (towards/away) of R port with respect to the C port. ...

etwa ein Monat ago | 0

Answered
Is there a way to link plots to simscape log data / simscape results explorer data?
You may access everything in simlog through MATLAB base workspace. This documentation page includes some basic functions to acc...

etwa ein Monat ago | 0

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Answered
Is there a way to link plots to simscape log data / simscape results explorer data?
You may access everything in simlog through MATLAB base workspace. Follow the instructions on the following documentation page ...

etwa ein Monat ago | 0

Answered
Why don't pipe and orifice blocs in Simscape Fluids cause a pressure change ?
The model does not have an outlet right now. The system is all pressurized to the value set by the constant pressure source, bu...

etwa 2 Monate ago | 0

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Answered
pilot operated check valve to open only by pilot pressure x
Thanks for the details. The pilot in this case is acting in the opposite direction as in the "Pilot-Operated Check Valve (IL)" ...

etwa 2 Monate ago | 0

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Answered
Simscape Multibody: 6DOF joint has a degenerate mass distribution on its follower side.
Thanks for sharing the model. It looks to me the problem here is still the algebraic loop. I tried two ways to break it and bo...

etwa 2 Monate ago | 0

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Answered
can you simulate viscous surrouding in multibody simulation?
There is an underwater vehicle example that includes hydrodynamic and hydrostatic forces, which I believe will help you get star...

2 Monate ago | 0

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Simscape Multibody - model does not react to slider gain changes without stopping and starting the simulation again
The answer is that the slider gain actually is working as intended. It's changing the position of the swing bar, but we were no...

2 Monate ago | 0

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Answered
want to make vehicle dynamic model in fuel cell truck
This can be a big project. Definitely not something can be fully resolved through MATLAB Answers. Some resource that may be us...

2 Monate ago | 0

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Commensurate units error - Simscape Covective heat transfer (Pipe)
Hi Aled, Consider use the syntax value(a,'unit','type') to use only the value of a variable with specified unit. More detai...

2 Monate ago | 0

Answered
how to plot angles of the oscillating guide and the crank in the same graph
Two possible ways I know of: Use the simlog. I saw your model is already logging the Simscape data, so you just need to go to ...

3 Monate ago | 0

Answered
How to get the instantaneous step size value in variable step solver at a simulink model?
If you turn on data logging for Simscape, you can access the time marks in the states data for each block. Any block will give ...

3 Monate ago | 0

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