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J Chen


Last seen: 7 giorni fa |  Attivo dal 2019

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Risposto
Free Fallen object simulation
You can use the Block Solid in the Body Elements. Also use the Transform Sensor in the Frames and Transforms to measure the tran...

19 giorni fa | 0

Risposto
About adding motion directly to the end-effector
Connect a 6 DoF joint to the end effector and ground. Specify the displacements of the 6 DoF joint. Rember to set the Filtering ...

circa 2 mesi fa | 0

Risposto
Number of variables vs number of equations in Simscape components
For a Simscape component, the variables include variables in the variables AND nodes sections as in this example. The number of ...

2 mesi fa | 0

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No simscape simulation log
Open Model Settings (ctrl-E). Select Data Import/Export. Uncheck Single simulation output.

3 mesi fa | 0

Risposto
Programmatically connect SimScape blocks
set_param('mymodel/Res2','position',[220,120,180,160]) is wrong. The third number (180) needs to be greater than the first numb...

3 mesi fa | 0

Risposto
simulink-ps converter output with on signal
You should see the signal at both scopes. Make sure the axis scalings are appropriate.

3 mesi fa | 0

Risposto
Need to assemble a submarine in simscape multibody make it move according to the precalculated trajectory. 1) All details of submarine are separated 2) How to make it move?
All components are rigidly connected in the model. You need to remove a solid line and add a joint between two components to mak...

4 mesi fa | 0

| accettato

Risposto
How to use the DATA Inspector with SimScape model
You need to use Sensors and Transducers block to measure the variables, then convert the Simscape signals to the Simulink signal...

4 mesi fa | 0

Risposto
Is it possible to open matlab function block editor code in the standard script editor?
One option is to right click at the block and choose Open in New Window.

4 mesi fa | 0

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Communicating Simscape multibody with temperature and pressure sensors
Simscape Multibody doesn't deal with heat and temperature. You need to build a thermal model either with the Thermal Library in ...

5 mesi fa | 0

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Risposto
how to attach custom frame to cylindrical solid
You can use the Rigid Transform block as an alternative.

6 mesi fa | 0

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Extract Spring data from the revolut joint
Expand the Sensing fiels and check the position. A port will appear to output the position. Use a PS-Siumulink Converter block i...

6 mesi fa | 0

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ssc_mass_spring_damper_control example, all forces become 0 when no feedback?
The mass is stationary and the spring and damper generate no force at time zero. No force is applied to the mass if the PID is r...

6 mesi fa | 0

Risposto
Is there any two wheeler drive cycle file in MATLAB or simulink?
You can download the speed profile in Excel at (https://cleanfuturemobility.com/driving-cycles/) and import it into Matlab/Simul...

7 mesi fa | 0

| accettato

Risposto
SIMSCAPE MULTIBODY: Apply Forces / Sense velocity of GLOBAL Center of Mass
First add a new frame to the Center of Gravity (CoG). Connect a 6 DoF Joint between the new frame to the World Frame. Specify ...

7 mesi fa | 0

Risposto
How to get the coordinates of points in the simulink multibody model?
You can add a Transform Sensor to your system.

8 mesi fa | 0

Risposto
How to loop a model's output back to the input untill they both converge
Use a Delay block https://www.mathworks.com/help/simulink/slref/delay.html

9 mesi fa | 0

| accettato

Risposto
(Simscape multibody) Is there any way to use a specific angle as a input for revolute joint?
Set the Actuation tab as follows: Torque - Automatically computed, Motion - Provided by Input. You also need Simulink-PS Convert...

10 mesi fa | 0

Risposto
Generic Engine stalling when load applied
You need to specify an initial speed for the propeller. It is done in the Variables tab of the Propeller Inertia block.

10 mesi fa | 0

Risposto
Simscape Results Explorer not showing entire simulation data
Select Model Settings tab. Click Simscape. Uncheck "Limit data points" box.

10 mesi fa | 0

| accettato

Risposto
Can I read voltage and current measurement from simulink model that containts a model of connections in Arduino Uno?
Use the Analog Input block froo the Simulink Support Package for Arduino.

10 mesi fa | 0

| accettato

Risposto
Simscape vehicle body incline angle
Connect a Simulink signal source block through a Simulink-PS Converter block (in Simscape-Utilities) to the beta port.

11 mesi fa | 0

Risposto
How to measure output torque of a gear in simscape multibody?
Choose the Total Torque in the Composite Force/Torque Sensing tab.

circa un anno fa | 0

Risposto
How to visualize movement that occurred by reaction force with Simscape multibody?
The grey cube should move if it is not fixed and connected to the arm through a revolute joint. The motion maybe too small for y...

circa un anno fa | 0

Risposto
Cannot find "body" block on Simscape
No sure what is the Body block in R2017. You can find Mass and Inertia blocks in the Simscape Foundation Library - Mechanical - ...

circa un anno fa | 0

| accettato

Domanda


PID Tuner couldn't find a stabilizing controller
The PID block in the attached Simulink file stabilizes the plant (the plant is defined in the call back). However, the PID Tuner...

circa un anno fa | 0 risposte | 0

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Risposto
How to rotate an image in Matlab
You basically read the image into a matrix, then change the array element to a different location (swich row to column, etc.)

circa un anno fa | 0

Risposto
Clock on Mechanics Explorer Video
A simple solution is to do a screen recording that includes the Time display at the bottom of the Mechanics Explorer. Powerpoint...

circa un anno fa | 0

Risposto
Automaticly change of actuation of joints in Simscape multibody.
Use name = gcb to get block names (select a block first) Use get_param(name,'DialogParameters') to get parameter names. The par...

circa un anno fa | 1

| accettato

Risposto
Finding natural frequency and mode shape of damped 4 degree of freedom
Use F=ma to develop the differntial equations for m1, m2. Use F=ma and M=Iw for m3. The natural frequencies and mode shapes are ...

circa un anno fa | 0

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