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J Chen


Last seen: 5일 전 2019 이후 활성

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Singularity error encountered when calculating inverse dynamics of a elastic joint.
Probably better to specify the desired angle at the output port (F port) of the Torsional elastiticity & damping block. You can ...

12일 전 | 0

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Heatmap - how to get the plotted colors
camp = colormap https://www.mathworks.com/help/matlab/ref/colormap.html

22일 전 | 0

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Which Block for Frequency as input signal for a prismatic joint?
You can apply force or impose motion for a Prismatic Joint. Use SImulink blocks to generate the signal you want and feed the sig...

22일 전 | 0

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Extracting natural frequencies and mode shapes from a Simscape Multibody model
You probably can linerarize your Simscape model and calculate the eigenvalues and eigenvectors.

22일 전 | 0

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How to design controller for models in Simscape multibody?
You can use MATLAB 'linearize' command to lineraize Simscape plant models, [sys, ~, info] = linearize(plantModel, opPoint). The ...

약 2달 전 | 0

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What can I do to import a complete assembly into Multibody if I'm using Fusion 360?
Can you export the model to a CAD software that supports Simscape Multibody Link?

약 2달 전 | 0

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I want to use variable as an input in a single run.
Try to feed the signal to the 'To Workspace block' directly to other blocks.

약 2달 전 | 0

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Finding pitch, yaw for a delta three wheeler using simscape or vehicle dynamics blockset
The Vehicle Body block only describes vehicle longitudial dynamics. You need a block that handle lateral dynamics to get roll an...

2달 전 | 0

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how to change simulink matlab (bellow) to code matlab? How do I enter the initial value?
https://www.mathworks.com/help/matlab/ref/ode45.html

2달 전 | 0

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elevator motor modelling code
You need to model the system with a differential equation: . Solve the equation with MATLAB or Simulink for given N(t).

2달 전 | 0

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Contact Forces/Torques for Robotics Applications
The Spatial Contact Force Block will automatically apply the forces to the elements connected to its two ports. You don't need t...

4달 전 | 0

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3D matrix with equation
does mean ? You can calculate the result using three loops on i, j, and l.

4달 전 | 0

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How to interpolate when we have two different sizes
temps_B and B have different size. They need to be the same size.

4달 전 | 0

질문


Separate Simulink block name into several lines
How can I separate the name of a Simulink block into serveral lines in R2020b? The Retuen key doesn't seem to work in this new r...

5달 전 | 답변 수: 1 | 0

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How can I get the value by choosing 't' and 'x'? ,How should I set the graph range?
Move the plot command outside the loop. Store the calculation at each time step in a buffer. For example: hist = nan(n,length(t...

5달 전 | 0

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Log simulink (variable step) data with with one sample time!
Uee the To Workspace block in the Simulink Sink category and specify the Sample time in the block parameters.

5달 전 | 1

질문


Dispaly numbers in Simscape Mechanics Explorer or Simulink 3D animation viewer
How can I dispaly numbers in a Simscape Mechanics Explorer? The numbers need to be displayed in the Mechanics Explorer in order ...

5달 전 | 답변 수: 0 | 0

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I can't plot this 3D matrix despite looking at other examples
The matrix has 3 independent variables. 3D plots using surf can only have 2 independent variable. You need to general 4 3D figur...

5달 전 | 0

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If loop with character and two conditions
Use strcmp(t_adf_fdiff.reject,t_kpss_fdiff.reject) insteafd of t_adf_fdiff.reject == t_kpss_fdiff.reject. The two if statemen...

5달 전 | 0

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How can I print the heatmap as grayscale?
heatmap(A) colormap(gray)

6달 전 | 1

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solving equations with trigonometric functions
format long % show more digits double(S1.theta3) double(S1.theta4) format % back to the default format

6달 전 | 0

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How can I apply the same force on multiple objects in Simscape Mulitbody?
The problem is not with the force block. The problem is caused by incorrect configuration of the components, i.e., the component...

6달 전 | 0

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specialist/gig help
Try Upwork.com or freelancer.com

6달 전 | 0

질문


Split Simulink 3D viewer into multiple panes
Is it possible to split the Simulink 3D Viewer into multiple panes? I can split the display pane of the 3D World Editor into mul...

6달 전 | 답변 수: 0 | 0

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How to add a ROUTE node in the 3D world?
How can I add a ROUTE node in the 3D world as hilighted in the screen shot? Thanks.

6달 전 | 답변 수: 0 | 0

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답변 있음
I have a . Mat file of battery model how can i create simulink model from it
Mat file contain variables and their values. You can load it to the workspace. The file most likely contains test data. You need...

7달 전 | 0

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Unable to find base block in simscape multibody
What do you mean by Base Block? You can find a World Frame block in the Frames and Transforms sub-category. The "Base Block" may...

7달 전 | 0

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How can i obtain the final value of x and y?
Use sol = solve(prob) to solve the problem. The answer is in the sol object. You can also use sol.x and sol.y. Note that you may...

7달 전 | 0

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White background from "Print to Figure" in Simulink scope
I found that the background color is same as the scope for the figure generated from the "Print to Figure" command in the scope ...

8달 전 | 0

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질문


White background from "Print to Figure" in Simulink scope
The "Print to Figure" menu command in a Simulink scope generates a figure with a black background. How can I change the backgrou...

8달 전 | 답변 수: 1 | 0

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