Community Profile # Nicolas Schmit

### MathWorks

Last seen: plus de 2 ans il y a Actif depuis 2017

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cross_sect is created in the mask of 'Stewart Platform System/Manipulator/Base/Skewed Hexagon'.

environ 4 ans il y a | 0

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2nd Generation Simscape Multibody 'Revolute Rotational Interface' Block?
You can interface a hard stop from the mechanical domain with a revolute joint from Multibody 2G. Have a look at the model "Add...

environ 4 ans il y a | 0

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How to change the direction of a revolute joint in MATLAB R2018b with Simscape Multibody?
If you wand to flip the revolute joint, insert a rigid transform with a 180 degree rotation around X or Y axis before AND after ...

environ 4 ans il y a | 0

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How can i introduce a end stop rotation in a multibody model?
You can interface a hard stop from the mechanical rotational domain with the revolute joint. I suggest you have a look at the ex...

environ 4 ans il y a | 0

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joining Simscape Hydraulics to Multibody
I suggest you have a look a the model "Hydraulic Actuator with 1D Mechanical Ports" from the Simscape Multibody Multiphysics Lib...

environ 4 ans il y a | 0

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Error Not enough input arguments using Fmincon with nlcon and linear constraints
There are several problems in your code * You must pass the optimization variable as a argument to the nonlinear constraints....

plus de 4 ans il y a | 1

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This function does not fully set the dimensions of output port 2 error in matlab?
Simulink is having a hard time determining the dimension of the outputs of the MATLAB Function blocks. The root cause is that yo...

plus de 4 ans il y a | 0

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select parts of vector with loops
Y = rand(100, 3); d = 10; for k=1:size(Y, 1)/d % Select a chunk of data from Y index = d*(k-1)+1:d*k; ...

plus de 4 ans il y a | 0

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I don't find a joint sensor and joint actuator in MATLAB R2018a?
In Simscape Multibody 2nd generation there is no joint sensor or joint actuator block. You can directly actuate or sense from th...

plus de 4 ans il y a | 3

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How to simulate orthogonal torque rods perfectly using simscape and simulink?
When you apply a torque to one of the rod, it starts spinning around its axis. But since the rods have masses, the two other rod...

plus de 4 ans il y a | 1

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How to measure Forces at the contact patch of a Tire as a function of suspension arm loads?
You cannot measure the contact force using a 6DOF joint, unless you add some stiffness to the internal mechanics. If you want t...

plus de 4 ans il y a | 0

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How do you i limit the angle of a revolute joint in simscape?
You can interface a <https://www.mathworks.com/help/physmod/simscape/ref/rotationalhardstop.html Rotational Hard Stop> with the ...

plus de 4 ans il y a | 0

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Could the value of Spring Stiffness in the Revolute joint block (Simscape) be variable?
The stiffness parameter of the revolute joint is a constant. You cannot change it in real time. Here is how you can implement...

plus de 4 ans il y a | 0

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This Rotational Electromechanical Converter has current and produces torque, but the ideal motion sensor reports zero. What am I doing wrong?
The ideal torque sensor in parallel with the rotational damper does not allow motion. Therefore, not motion is possible between ...

plus de 4 ans il y a | 0

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Script for solving equations of motion
To solve the differential equations in MATLAB use one of the ode solvers <https://www.mathworks.com/help/matlab/ordinary-diff...

plus de 4 ans il y a | 0

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How can you convert a simscape model into a custom block
Create a subsystem from your model as you would do with a regular Simulink model.

presque 5 ans il y a | 0

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Is it possible to extract the equations of motionsand the state variables of a Simscape multibody model?
<https://www.mathworks.com/help/slcontrol/ug/linearize-simscape-networks.html>

presque 5 ans il y a | 0

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Define gravity in Simmechanics
In Simscape Multibody the gravity is towards the -z axis by default. However, the definition of the axis in Simscape might be di...

presque 5 ans il y a | 1

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How do I stabilize an inverted Pendulum linked to a wheel in Simscape and Simulink?
# Configure the cylindrical and revolute joints so that the system starts in an equilibrium position, with the pendulum upward. ...

presque 5 ans il y a | 1

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How to add Common gear to a Simulink Multibody imported from Solidworks?
The port F of the common gear constraint should be connected to the port B (not F) of Revolute1. Connecting the common gear con...

presque 5 ans il y a | 0

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Simulation of a rolling wheel on a flat surface using SimMechanics contact forces library block
Use the Collision_02_Disk_Finite_Plane_Fixed example form the Contact Forces Library.

presque 5 ans il y a | 0

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Three-phase PMSM Drive Control Strategy
This example actually uses vector control. The controller takes the current of the three phases of the stator and the angle of t...

presque 5 ans il y a | 0

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How to connect something to both ends of a variable cyindrical solid?
Use a prismatic joint to move the object. The variable solid bloc is indented to model a variable mass and inertia. It is not i...

presque 5 ans il y a | 0

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how to stop a motion at a right position and simulate Deformation
You can connect the lead screw to a hard stop from Simscape foundation library. <https://www.mathworks.com/matlabcentral/answ...

presque 5 ans il y a | 0

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hi would you help me how to actuate prismatic joint in matlab 2017b,
<https://www.mathworks.com/help/physmod/sm/ug/joint-actuation.html>

presque 5 ans il y a | 0

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Simscape Gear constraint example throws position violation
As written in the documentation, the model "smdoc_common_gear_external_start" is incomplete. You have to enter the correct param...

presque 5 ans il y a | 0

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How to fix a freedom in Simscape?
Replace the 6-DOF joint with a prismatic joint.

presque 5 ans il y a | 1

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plotting an equation and finding its max and min
E1=15.8; E2=12.9; G12=2.7; v12=0.16; x=linspace(0,2*pi,50); t = x; m=cos(t); n=sin(t); y=n.*m.*(m.^2.*...

environ 5 ans il y a | 1

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How to plot a 4^x and a x^8 function together? I have tried so many things from ezplot to plot and fplot, I am very new to this and I hope anyeone could help me
x=linspace(-1,1,100); plot(x.^4); hold on; plot(x.^8); hold off

environ 5 ans il y a | 0

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How to connect these 2
Connect one receiving end to a source block, then connect to the other receiving end.

environ 5 ans il y a | 0