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J Chen


25 2019 年以降の合計貢献数

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About the correct connection method of SimscapeMultibody and Simscape block in the calculation of inverse dynamics.
You input torque to the revolute joint block in forward dynamics. Doucle click the block. Expand Actuation and set the Torque to...

約1ヶ月 前 | 0

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Connect multiple joints to one solid
You should use a revolute joint between cylinder C and cyliner A. Use another revolute joint between the other end of cylinder C...

約1ヶ月 前 | 0

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Can anyone please tell me in which release i find this example ?
Probably R2019a and newer. R2018b doesn't have the example.

約1ヶ月 前 | 0

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How to determine if my equation is equal to, less that or more then 0?
The result of sqrt((b^2/(4*a^2))-(c/a)) is a complex number. You can't compare it with 0 (a real number) The formula for dampin...

約1ヶ月 前 | 0

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how to solve this ?
use s1 = a1*sin(w1*t+phi1), where w1=2*pi*f1 and t is time vector to generate signal 1. Do the the same for signal 2 and 3 and a...

約1ヶ月 前 | 0

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inherit from two classes simscape
Try the following: component MyComponent < MyBaseComponent1 % component implementation here end component MyExtend...

約2ヶ月 前 | 0

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How to simulate a variable load
Nonlinear spring is the way to go if you want the force as a function of displacement.

約2ヶ月 前 | 0

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How to fix an invalid data type
The winedata may contain some strange characters. Carefully exame elements of windata. Command class(A) should return 'double'. ...

2ヶ月 前 | 0

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Integral Approximation Equation Using Loop
Generate a vector x=[0 1/N 2/N ... 1]. Calculate corresponding y for each element of x. Use the trapezoid rule to add all the y...

2ヶ月 前 | 0

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Help in finding the matrix
You can use [row,col]=find( ) to get the location and use == to compare numbers

2ヶ月 前 | 0

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Simscape tablelookup input value
Several options: 1) use the Simscape built-in PS Lookup Table (2D) block instead of a custom block. 2) study the example here. 3...

2ヶ月 前 | 0

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Vector input in Simscape Revolute Joint
You can specify the motion of the joint: expand the Actuation, set Torque to Automically Computed and Motion to Provided by Inpu...

3ヶ月 前 | 0

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How can I connect an Hydraulic connection to my Tire model ?
The brake pressure port at the wheel model needs a simulink signal. The Simscape hydraulic system outputs phsical signals. You n...

3ヶ月 前 | 0

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Can I use Simscape for a system dynamic model similar to representing a system by differential equations in Simulink?
There are two ways to use Simscape. 1: use the blocks in the Simscape library. You don't need to write any differential equation...

3ヶ月 前 | 0

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How to get eigenvalues and eigenvectors from a mass and spring model build by simscape?
You should be able to get the system matrices (A, B, C, D) for your linerized model. The eigenvalues for A can then be calculate...

3ヶ月 前 | 0

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How can I get date and time from Nist server?
str = char(tcpdata) will convert the ascii code to a string. str(8:15) will give you the date. str(17:24) will give you the tim...

3ヶ月 前 | 2

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Ode solver varying parameters
You put the derivative calculation in a file such as fcn.m, function dx = fcn(t,x) dx = zeros(3,1); p7 = t; %p7=a*b^y*c^z; ...

4ヶ月 前 | 0

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Degenerate mass distribution error with Simulink Simscape Multibody joints
This might help you https://www.mathworks.com/matlabcentral/answers/244110-model-walking-body-in-simulink#answer_193147

4ヶ月 前 | 0

質問


Input a structure variable to a Matlab Function block
How can I input a structure variable (struct data type) to a Matlab Function block? The document states that I specify the param...

7ヶ月 前 | 1 件の回答 | 0

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Pyramid shape solid in Simscape Multibody
Is it possible to generate a pyramid shape solid in Simscape Multibody without using an imported CAD file?

7ヶ月 前 | 0 件の回答 | 0

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How to animate the simulation of a multibody system if I have already setup the simulink model of my system (not using simcape)?
A possible solution is to use multiple Cartensian Joints and Gimbal Joints in the Simscape Multibody. Set the Force and Moton fi...

7ヶ月 前 | 0

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Double derivative of a vector of variables in Simscape components.
I would say you must use the second approach: variables eta = {zeros(4,1),'m'}; d_eta = {zeros(4,1),'m/s'}; en...

7ヶ月 前 | 0

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after import robot from urdf ,how can i sent angles to the joints ,and test my own kinermatic algorithm?
'importrobot' imports files into Robostics System toolbox while 'smimport' imports files into Simscape Multibody (was named SimM...

7ヶ月 前 | 0

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Crank and Slider Mechanism
Simscape Mutibody demo

9ヶ月 前 | ダウンロード 22 件 |

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