J Chen
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Content Feed
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...
22 days ago | 0
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 ...
2 months ago | 0
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 ...
3 months ago | 0
No simscape simulation log
Open Model Settings (ctrl-E). Select Data Import/Export. Uncheck Single simulation output.
3 months ago | 0
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 months ago | 0
simulink-ps converter output with on signal
You should see the signal at both scopes. Make sure the axis scalings are appropriate.
3 months ago | 0
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 months ago | 0
| accepted
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 months ago | 0
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 months ago | 0
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 months ago | 0
| accepted
how to attach custom frame to cylindrical solid
You can use the Rigid Transform block as an alternative.
6 months ago | 0
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 months ago | 0
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 months ago | 0
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 months ago | 0
| accepted
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 months ago | 0
How to get the coordinates of points in the simulink multibody model?
You can add a Transform Sensor to your system.
8 months ago | 0
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 months ago | 0
| accepted
(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 months ago | 0
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 months ago | 0
Simscape Results Explorer not showing entire simulation data
Select Model Settings tab. Click Simscape. Uncheck "Limit data points" box.
10 months ago | 0
| accepted
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 months ago | 0
| accepted
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 months ago | 0
How to measure output torque of a gear in simscape multibody?
Choose the Total Torque in the Composite Force/Torque Sensing tab.
1 year ago | 0
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...
1 year ago | 0
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 - ...
1 year ago | 0
| accepted
Question
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...
1 year ago | 0 answers | 0
0
answersHow 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.)
1 year ago | 0
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...
1 year ago | 0
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...
1 year ago | 1
| accepted
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 ...
1 year ago | 0
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