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J Chen


Last seen: 9일 전
61 2019 이후 총 참여 횟수

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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 ...

9일 전 | 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 ...

약 1달 전 | 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

약 2달 전 | 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...

약 2달 전 | 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 ...

약 2달 전 | 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...

약 2달 전 | 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...

2달 전 | 0

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

2달 전 | 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....

2달 전 | 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...

2달 전 | 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...

2달 전 | 0

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

3달 전 | 다운로드 수: 4 |

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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.

3달 전 | 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...

3달 전 | 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...

4달 전 | 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...

4달 전 | 0

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

4달 전 | 다운로드 수: 4 |

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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.

4달 전 | 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...

4달 전 | 1

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

5달 전 | 다운로드 수: 5 |

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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...

5달 전 | 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.

5달 전 | 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.

5달 전 | 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.

5달 전 | 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...

5달 전 | 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...

5달 전 | 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 ...

5달 전 | 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/...

5달 전 | 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...

6달 전 | 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...

6달 전 | 0

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