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# Nicolas Schmit

### MathWorks

149 total contributions since 2017

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

7 Monate ago | 0

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...

7 Monate ago | 0

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 ...

7 Monate ago | 0

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...

7 Monate ago | 0

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...

7 Monate ago | 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....

9 Monate ago | 1

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...

9 Monate ago | 0

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; ...

9 Monate ago | 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...

12 Monate ago | 0

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...

etwa ein Jahr ago | 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...

etwa ein Jahr ago | 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 ...

etwa ein Jahr ago | 0

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...

etwa ein Jahr ago | 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 ...

etwa ein Jahr ago | 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...

etwa ein Jahr ago | 0

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.

etwa ein Jahr ago | 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>

mehr als ein Jahr ago | 0

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...

mehr als ein Jahr ago | 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. ...

mehr als ein Jahr ago | 1

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...

mehr als ein Jahr ago | 0

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.

mehr als ein Jahr ago | 0

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...

mehr als ein Jahr ago | 0

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...

mehr als ein Jahr ago | 0

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...

mehr als ein Jahr ago | 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>

mehr als ein Jahr ago | 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...

mehr als ein Jahr ago | 0

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

mehr als ein Jahr ago | 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.*...

mehr als ein Jahr ago | 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

mehr als ein Jahr ago | 0

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