Yifeng Tang
Last seen: Today
MathWorks
55 total contributions since 2020
Yifeng Tang's Badges
20 of your answers have been accepted
Awarded to Yifeng Tang on 30 May 2021
Answer 10 questions that were unanswered for more than 30 days
Awarded to Yifeng Tang on 27 Apr 2021
Provide your first answer ever to someone else's question
Awarded to Yifeng Tang on 17 Aug 2020
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'...
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'...
ein Tag ago | 0
Answered
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...
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...
ein Tag 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 ...
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 ...
ein Tag ago | 0
| accepted
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...
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...
ein Tag ago | 0
| accepted
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...
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...
ein Tag ago | 0
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...
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...
4 Tage ago | 0
Answered
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. ...
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. ...
4 Tage 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...
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...
5 Tage ago | 0
| accepted
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 ...
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 ...
6 Tage 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...
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...
16 Tage ago | 0
| accepted
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)" ...
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)" ...
22 Tage ago | 0
| accepted
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...
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...
23 Tage ago | 0
| accepted
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...
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...
25 Tage ago | 0
Answered
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...
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...
25 Tage ago | 0
| accepted
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...
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...
25 Tage ago | 0
Answered
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...
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...
etwa ein Monat 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 ...
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 ...
etwa ein Monat 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 ...
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 ...
etwa ein Monat ago | 0
Answered
Spatial contact force block
Contact force only works with Convex Hull at this moment. See Documentation page here: https://www.mathworks.com/help/releases/...
Spatial contact force block
Contact force only works with Convex Hull at this moment. See Documentation page here: https://www.mathworks.com/help/releases/...
etwa ein Monat ago | 0
| accepted
Answered
Simscape 2P energy conservation bug ?
Hi Joris, After a closer look at the results, it looks like everything was physically reasonable. There was some very quick ac...
Simscape 2P energy conservation bug ?
Hi Joris, After a closer look at the results, it looks like everything was physically reasonable. There was some very quick ac...
etwa 2 Monate ago | 0
| accepted
Answered
Efficient way to evaluate multiple logic expression as in 'if' condition
something like max(abs(u(i+1,:)-u(i,:))) <= 1e-7 do you think this will work?
Efficient way to evaluate multiple logic expression as in 'if' condition
something like max(abs(u(i+1,:)-u(i,:))) <= 1e-7 do you think this will work?
etwa 2 Monate ago | 0
| accepted
Answered
How to simulate/create a spring in an already generated Block Diagram of a CAD Model in Simscape Multibody?
You'll need to first define how the two ends of the spring is connected to the wishbone part and the vehicle body, including the...
How to simulate/create a spring in an already generated Block Diagram of a CAD Model in Simscape Multibody?
You'll need to first define how the two ends of the spring is connected to the wishbone part and the vehicle body, including the...
etwa 2 Monate ago | 0
| accepted
Answered
How to set suspension sag due to mass in simscape quarter car model ?
Are you working in Simscape (1D mechanical) or Simscape Multibody? In Multibody, the weight of the sprung mass will affect the ...
How to set suspension sag due to mass in simscape quarter car model ?
Are you working in Simscape (1D mechanical) or Simscape Multibody? In Multibody, the weight of the sprung mass will affect the ...
etwa 2 Monate ago | 0
| accepted
Answered
[Multibody] Get body frame list from Matlab script
You'll probably need to attach a Transform Sensor to each solid so you can get all kinds of kinematic information of the solid. ...
[Multibody] Get body frame list from Matlab script
You'll probably need to attach a Transform Sensor to each solid so you can get all kinds of kinematic information of the solid. ...
etwa 2 Monate ago | 0
Answered
[Simscape Multibody Contact Forces] Fluctuations in Normal & Friction Forces
The contact force, when in contact, is modeled as a stiff spring and damper to prevent the penetration and calculate the normal ...
[Simscape Multibody Contact Forces] Fluctuations in Normal & Friction Forces
The contact force, when in contact, is modeled as a stiff spring and damper to prevent the penetration and calculate the normal ...
etwa 2 Monate ago | 0
| accepted
Answered
How do I import a motor dyno curve into Simscape?
Do you care about the electrical side of the motor (like current, voltage, etc), or you just need the motor as a source for mech...
How do I import a motor dyno curve into Simscape?
Do you care about the electrical side of the motor (like current, voltage, etc), or you just need the motor as a source for mech...
etwa 2 Monate ago | 0
Answered
Change Ah capacity of Simscape lead acid battery model?
I don't have R2018b on my machine, but I assume the model is similarly constructed in newer releases. Inside the Battery Cell, ...
Change Ah capacity of Simscape lead acid battery model?
I don't have R2018b on my machine, but I assume the model is similarly constructed in newer releases. Inside the Battery Cell, ...
etwa 2 Monate ago | 0
| accepted
Answered
how to convert a solidworks file to xml file?
You'll need a Simscape Multibody Link Plugin in SolidWorks. Here is the instruction: https://www.mathworks.com/help/physmod/sml...
how to convert a solidworks file to xml file?
You'll need a Simscape Multibody Link Plugin in SolidWorks. Here is the instruction: https://www.mathworks.com/help/physmod/sml...
etwa 2 Monate ago | 1
| accepted
Answered
CADモデルを変更し，Simscape Multibodyにも反映するには？
Taka San, I tried to understand your question using Google Translator, and I believe you are wondering if your modification in ...
CADモデルを変更し，Simscape Multibodyにも反映するには？
Taka San, I tried to understand your question using Google Translator, and I believe you are wondering if your modification in ...
etwa 2 Monate ago | 0
| accepted
Answered
Kinematic Codnditions in Simscape
I can't think of a way to do this exactly kinematically (not claiming it's impossible though), but here may be a workaround: Pl...
Kinematic Codnditions in Simscape
I can't think of a way to do this exactly kinematically (not claiming it's impossible though), but here may be a workaround: Pl...
etwa 2 Monate ago | 0
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