Answered
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...

2 years ago | 0

Answered
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

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
simscape multibody switching signals (due to Contact Library)
The Simscape Multibody Contact Force Library has blocks that accept an input signal that can disable the force. Look for the bl...

2 years ago | 0

Answered
Based on geometric Feature option is disabled
You are likely importing an STL file. STL files do not contain the features needed to assign frames. Frame locations and orien...

2 years ago | 0

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how make changeable joint limits in simscape ?
You will need to apply the joint limits as an external force. Measure the positions of each part/joint, calculate when the forc...

2 years ago | 0

Answered
How to effectively and optimally simulate multiple robotic platforms in Simscape Multibody
There are many ways to accelerate your model. These can be combined for further speedup. Simplify the quadcopter model - can y...

2 years ago | 1

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Answered
Nonlinear iteration is not converging (using ode23t) in Simscape Multibody
For situations like this, it is possible that changes to the model and the solver settings could enable the simulation to run wi...

2 years ago | 0

Answered
Single degree of freedom
This example shows you how to model this system in two ways: https://www.mathworks.com/help/simscape/ug/mass-spring-damper-...

2 years ago | 0

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Plotting a potential energy function
Please read this post: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a...

2 years ago | 0

Answered
Getting started solving ODE's - solve m [d^2(theta)/dt^2] + c [d(theta)/dt^2] + k sin(theta) = 0
As mentioned by Roger above: I think you have no choice but to solve it numerically. Even without the friction term in the midd...

2 years ago | 0

Answered
how can improved gray scale quantization
As mentioned above: Improved over what? What's wrong with the way you're doing it now? Read this link then come back with an im...

2 years ago | 0

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Index exceeds matrix dimensions
As posted by Geoff in the comments above: The usual procedure is to read the error message, go to the source file and line numb...

2 years ago | 0

Answered
What is the code to integrate a fixed equation ; Cp = a + bT + cT^2 + dT^3 with varying values of a, b, c, d and T?
Please see this post: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-...

2 years ago | 0

Answered
plot
Please see this post: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-f...

2 years ago | 0

Answered
Help creating a function file
As suggested above, read this post: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answe...

2 years ago | 0

Answered
How to define inertia of a body block in SimMechanics?
For symmetrical objects, such as a sphere or a cylinder, the inertia matrix will have the moments of inertia along the diagonal ...

2 years ago | 0

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about design of High Gain observer & sliding mode observer for rotatory inverted pendulum system
This File Exchange submission contains a model of a rotary inverted pendulum: Virtual Hardware and Labs for Controls https://ww...

2 years ago | 0

Answered
How to analyse a STEP file in Matlab?
From this answer: https://www.mathworks.com/matlabcentral/answers/56904-how-to-import-and-plot-step-file STEP is a complicated...

2 years ago | 1

Answered
Add external torque data with motor-wheel mechanical domain link in simscape
Hi @Sean Your question is not very clear. Based on your image, I think you want to apply a torque between those two points. Y...

2 years ago | 0

Answered
MATLAB for Regenerative Braking of Train
This very simple example demonstrates regenerative braking in an electric vehicle: Power Split Hybrid Vehicle Electrical Ne...

2 years ago | 0

Answered
How to coupling two bevel gears?
Hi @Linzhu Yue, An example showing two bevel bears is included in the Simscape Multibody Parts Libary https://www.mathwork...

2 years ago | 0

Answered
Why in simscape the Piston Engine has a default damping value of crankshaft of 1000Nm*s/rad.
Hi @Jian Cao, The documentation for the Piston Engine block describes the Damping parameter. That parameter is enabled when ...

2 years ago | 0

Answered
Error with Simscape Driveline vehicle will not initialize.
You need to give the wheels independent rotational connections. Apply half the torque independently to each wheel, rather than ...

2 years ago | 0

Answered
Derivative of a signal (position) as velocity input to the simscape mechanical terminal, does't match with the position sensed at the ideal translational motion sensor.
Hi @Halil Yahya Yesilyurt If you had attached your model, we could give you a more specific answer. Here are my best guesses b...

2 years ago | 0

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Answered
为什么不能在齿轮工具块的两侧同时测输入输出的扭矩
扭矩源正在向无法移动的点施加扭矩。 (translated from Google Translate) The torque source is applying torque to a point which cannot move. --Ste...

2 years ago | 0

Answered
Incorrect velocity of gears in Gearbox
The simulation results you have plotted are correct. You are applying a constant torque to both gears. Applying a constant tor...

2 years ago | 0

Answered
How to model regenerative braking
This very simple example demonstrates regenerative braking in an electric vehicle: Power Split Hybrid Vehicle Electrical Ne...

2 years ago | 0

Answered
Cant open Simscape Driveline example "winch with a brake"
As mentioned in the comments above, you need to determine if you have Simscape Driveline installed, and you need to verify if yo...

2 years ago | 0

Answered
The Generic engine block in Simscape is showing zero torque and speed at all throttle values
Hi @Abhijeet Gite, If your engine reaches 0 speed, it will stall (just like in a real car). You can adjust the stall speed thr...

2 years ago | 0