# Nicolas Schmit

### MathWorks

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Variables location Simscape masks

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

mer än 5 år 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...

mer än 5 år 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 ...

mer än 5 år 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...

mer än 5 år 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...

mer än 5 år 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....

mer än 5 år 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...

mer än 5 år 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; ...

mer än 5 år 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...

nästan 6 år ago | 3

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...

nästan 6 år 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...

nästan 6 år 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 ...

ungefär 6 år 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...

ungefär 6 år 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 ...

ungefär 6 år 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...

ungefär 6 år 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.

ungefär 6 år 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>

ungefär 6 år 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...

ungefär 6 år 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. ...

ungefär 6 år 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...

ungefär 6 år 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.

ungefär 6 år 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...

mer än 6 år ago | 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...

mer än 6 år 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...

mer än 6 år 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>

mer än 6 år 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...

mer än 6 år ago | 0

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How to fix a freedom in Simscape?

Replace the 6-DOF joint with a prismatic joint.

mer än 6 år 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.*...

mer än 6 år 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

mer än 6 år ago | 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.

mer än 6 år ago | 0