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Accessing Modal DOF of Reduced Order Flexible Solid in Simscape Multibody
You can add additional frames to the body to access deformations of specific locations. Exposing all modal DOFs is still not yet...

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How to give manual rotation to 6DOF joint in Simscape Multibody ?
Spherical primitives can only be actuated using torques. Options: You could create a closed-loop controller that will apply t...

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Assembly questions in Simscape Multibody about multibody systems with mixed rigid and flexible bodies
Hi - your model is expecting the system to assemble with the flexible bodies in an undeformed state. If your kinematic loops (c...

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Solver resets due to discrete signal at ps-simulink-converter
If you are simulating with a fixed step solver, I believe the solver profiler will report a solver reset at every step. I don't...

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Animating Basic Vehicle Models Using Simscape Multibody
You can use Simulink dashboard blocks to control parameters within the simulation. This would allow you to specify position, sp...

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from simscape model to statespace in matlab
You can use several of the linearization options in MATLAB to obtain a state space representation of your Simscape Multibody mod...

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Spherical Joint Stabilization in SimMechanics
If you double-click on the Spherical Joint and expand the "Actuation" section, you can set an input to be provided by torque. I...

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I don't understand the motion in the matlab simscape
The model you provided does not have the CAD data, so it is hard to see what you are trying to do. However, I see in the mode...

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How can i control Spherical Joint in Simscape Multibody?
Your model is moving due to gravity. The inputs you have specified are torques, not motions. If you apply 0 torque, the arm wi...

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With which joint can I prevent a rotation around the roll axis?
Hi Nils - the Planar Joint is a simple way to keep the vehicle chassis parallel with the plane that the track is in, and it assu...

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How to specify the rotational velocity of a torque source?
If you want the shaft to spin at a specified speed, you have two options - use one or the other. Use an Ideal Angular Velocity ...

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How to Establish a path trajectory for a quadruped robot in simscape multibody?
If the outer legs are taking larger steps than the inside legs, it may follow a curve even without a controller. If you want it...

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How to use the first output of a matlab function as the input for the revolute joint?
Hi Nayla - the value for initial position state target needs to be a hard coded value or a MATLAB variable. It cannot be set by...

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Simulink 2009 model update to 2022
Hi Scott - the Simscape Multibody first generation software last ships with MATLAB release R2019b. If you want to try the conve...

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How can I stack flexible bodies while using spatial contact forces between them?
The Spatial Contact Force block has a geometry port as its interface. You can attach rigid geometry to the flexible body blocks...

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Can't find equilibrium on simscape multibody/ can't put the steady state by default
There are a few adjustments you should make to your model. Set the Consistency Tolerance in the Solver Configuration block to 1...

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Bugs of Error | Actuator torque acting on joint primitive
It is hard to give you a specific answer without looking at the model. I believe you are applying a discrete motion signal, whi...

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Simscape Multibody torque measurement on bushing joint seems wrong.
Hi Lukas, Your model is delivering the correct results. The force is being applied along the global z-axis, local y axis. The...

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Unstability of spherical joint
Without your model, it is difficult to give you specific advice. If "fails" means that the spherical joint starts moving due to...

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How to make a "sail" change its angle relative to way the submarine is moving?
Can you share the model? It would make it easier to give you specific advice. As long as the joint is configured to accept joi...

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get Solid blocks derived inertia and mass values
The derived properties are displayed on the block, but are not accessible via get_param(). If you want to automate getting th...

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loaded flexible beam as initial position Simscape
This is a great model - thanks for showing the animation. You cannot specify the initial deflection for the beam through R2022b...

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radius of disc brake block
The Disc Brake block lets you specify the radius to the brake pad, which is what is needed to determine the amount of brake torq...

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Coding a simple model with torsion spring
I think this example model will help you see a way to model this system: Mechanical Rotational System with Stick-Slip Motion ...

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INVERTED PENDULUM CONTROL
Try looking at this tutorial:Inverted Pendulum: Simscape Modeling https://ctms.engin.umich.edu/CTMS/index.php?example=Inver...

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Im using spatial contact force between a plane and wheel but when i run the simulation the wheel falls freely. Is it a correct response or it has to stay attached to plane?
Here are some things you can try: Set the maximum step size to something small (like 0.01) to make sure the solver takes a step...

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If you want to input holding torque to the joint block
You can use joint modes to lock the degree of freedom, and then release it when you want the joint to move. This will, however,...

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How to Determine the value of Internal Mechanics of Joint Primitive like Spring Stiffness and Damping Coefficient?
Hi @sanjeev kumar, A Revolute Joint in Simscape Multibody permits one degree of freedom. If you want to define damping and spr...

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Simscape - multibody - frames and transforms - world frame
You need to install Simscape and Simscape Multibody to have access to the Simscape Multibody block libraries. --Steve

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simscape kinematic loop don't accept motion input on cylindrical joint
Each of the joints in your mechanism has a target position (and possibly velocity) specified. You need to disable the targets o...

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