Answered
Simscape end mass swings in the opposite direction
Without looking at the model directly, it is hard to say for sure. Some possibilities: The start of the motion is extremely ab...
Simscape end mass swings in the opposite direction
Without looking at the model directly, it is hard to say for sure. Some possibilities: The start of the motion is extremely ab...
1 year ago | 0
| accepted
Answered
How can I calculate interaction force xyz components in Simscape Multibody?
You can use additional quantities reported by the Spatial Contact Force block to obtain the components of the force in the frame...
How can I calculate interaction force xyz components in Simscape Multibody?
You can use additional quantities reported by the Spatial Contact Force block to obtain the components of the force in the frame...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
| accepted
Answered
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...
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...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
| accepted
Answered
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...
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...
1 year ago | 0
| accepted
Answered
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...
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...
1 year ago | 1
| accepted
Answered
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...
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...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
Answered
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...
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...
1 year ago | 0
Answered
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 ...
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 ...
1 year ago | 0
Submitted
Simscape Multibody 1G Conversion Assistant
Tool to help you build Simscape Multibody Second Generation models based on First Generation models
2 years ago | 32 downloads |
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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 ...
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 ...
2 years ago | 0
Answered
INVERTED PENDULUM CONTROL
Try looking at this tutorial:Inverted Pendulum: Simscape Modeling https://ctms.engin.umich.edu/CTMS/index.php?example=Inver...
INVERTED PENDULUM CONTROL
Try looking at this tutorial:Inverted Pendulum: Simscape Modeling https://ctms.engin.umich.edu/CTMS/index.php?example=Inver...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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,...
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,...
2 years ago | 0