J Chen

Last seen: 7日前

61 2019 年以降の合計貢献数

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How to follow a SimScape Multibody model in Mechanics Explorer
I couldn't figure out how to use the Keyframes camera either. So I settle with the Tracking camera. The easiest way to track an ...

約1ヶ月前 | 1

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Simscape Multibody Add-On Download Error
Did you try to install the trial license? I had the same problem. Try to request a trial using the Mathworks website instead of ...

2ヶ月前 | 1

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How to create Simscape multibody link with a hole
https://www.mathworks.com/help/physmod/sm/ug/compounding-body-elements.html#mw_14364c3d-f2ab-4f78-bc99-d6a67541e061

3ヶ月前 | 0

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What physics engine does Simscape Multibody use?
Simscape, including all its toolboxes, is based on Simscape language. An introduction can be found at https://www.semanticschola...

3ヶ月前 | 0

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Symbolic and Jacobian Matrix
Try the following. They gave what you want in Matlab R2019b. syms m phi theta psi u1 u2 u3 u4 N = sym('n%d%d', [3 4]) T = [1 ...

3ヶ月前 | 1

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How to change the density of Simscape Multibody demos?
simmechanics.demohelpers.densities is a built-in matlab function. The output is a structure that contains the density of aluminu...

3ヶ月前 | 0

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How to create a single link manipulator model in Simulink?
Use two integrators in series. The input of the first integrator is acceleration, the output is velocity. The input of the secon...

3ヶ月前 | 0

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Modeling Simscape Spherical Air Bearings
Use the Spherical Joint in the Simscape Multibody to represent the air bearing.

3ヶ月前 | 0

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Cannot update visualization,File Solid
Seems like SS MB should be able to import Unigraphics NX and STEP files https://www.mathworks.com/help/physmod/sm/ref/filesolid....

3ヶ月前 | 0

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How to link simelectronics with sim multibody (to make electromechanical system)??
Connect a torque sensor and a PS-Simulink Converter block to the simelectronics. Use Simulink-PS converter and External Force an...

3ヶ月前 | 0

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Is it possible to apply an external force to different bodies of a multi-body system based known center of pressure coordinates?
Use a External Force and Torque block at each point the force is applied. You can use sensors to get forces and displacements an...

3ヶ月前 | 0

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Quaternions to Euler angles conversion
Convert quaternions to Euler angles using Z-Y-X rotation sequence

4ヶ月前 | ダウンロード 5 件 |

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Sum of matrix signals in Simulink
Something wrong with the dB that comes in from Inport 2. The picture shows Inport 2 has a dimension of 1 instead of 5.

4ヶ月前 | 0

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Processing 2D into 3D matrix
You need to change the following statement x = 0:1:11 x has 12 elements but the modeshapes array only allows 11 elements in th...

4ヶ月前 | 0

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How can I produce a Torque signal to activate an External Force and Torque simulink block?
Connect a Solid to a Revolute joint. Change the Actuation-Torque property of the Revolute Joint to Provided by Input. You then a...

5ヶ月前 | 0

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How can I model a Whitworth quick return mechanism in SimScape?
Download this model and take a look: https://www.mathworks.com/matlabcentral/fileexchange/74465-whitworth-quick-return-mechanism...

5ヶ月前 | 0

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Whitworth Quick Return Mechanism
Simulate Whitworth Quick Return Mechanism with Simscape Multibody

5ヶ月前 | ダウンロード 5 件 |

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Gauss Siedel code not working
Put three dots (...) after the = at line 20 to signal that line 21 is the continuation of line 20.

5ヶ月前 | 0

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Arduino Encoder Application with Simulink Problem
You can use Simulink Delay block which store you last data. Type delay in the search box in the Simulink Library Browser to loca...

5ヶ月前 | 1

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CRC-16
A function to generate CRC-16 (16-bit Cyclic Redundancy Check)

6ヶ月前 | ダウンロード 16 件 |

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How do I select only 100 images in a folder of 200 images, according to a list of 100 different names ?
Use the folllwoing command to get a structure that contains file information listing = dir('*.jpg'); Use the folllwoing comman...

6ヶ月前 | 0

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How to take mean of each row/column of matrix with while loop
You need to update i and j (add 1 to them) at the end of each while loop.

6ヶ月前 | 0

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Help writing this integral
Use integral or trapz to integrate, then take the log. You need to find out the expression for p and the integration limits.

6ヶ月前 | 0

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Hello, I am getting this error. Can anyone please help me solving it? Thanks
I guess that the temperature units are 'K', 'degC', 'degF', etc.

6ヶ月前 | 0

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Difference between Simscape and Simulink
Simulink uses block diagram approach. The signal flow is unidirection. Simscape uses physical modeling approach. The signal flow...

6ヶ月前 | 0

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How do you add physical signal lines programmatically?
use h1 = get_param('mymodel/mySubsystem/C_1','PortHandles'); to get the port handles. Use add_line to draw line between the hand...

6ヶ月前 | 0

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User-defined MATLAB function block in Simulink/Simscape
use a statement like z = t / k; % don't use x to get the argument for the table lookup. Then use interp1(x,y,z) to find your ...

6ヶ月前 | 1

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modelling in matlab of differential equation
you need an equation for dhw/dt, then use a matlab ode solver to solve the equations. see https://www.mathworks.com/help/matlab/...

6ヶ月前 | 0

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step response of Linear parameter varying model's response different from the step response of original non linear plant
You probably didn't specify the "State derivative/update offset" correctly. You need to uncheck the "Assume equilibrium operatin...

7ヶ月前 | 0

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Offset ticks and gridlines
Use xticks to place the ticks at the left of each group, e,g,, xticks([0.5 1.5 2.5]). You can use xt = xticks to get the coordn...

7ヶ月前 | 0