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Design a Transmission Shift Controller
Use a MATLAB Function block in SImulink. You can put the logic in the block. Persist variables could be useful (link).

1 year ago | 0

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How do i add a drive cycle in simscape to a genric engine.
You need a controller that compare the desired and measured speeds to generate the throttle command. This is not a trivial task....

1 year ago | 0

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How to find pressure at every section of pipes in series in simscape? One end of pipe is connected to a constant pressure source and another end is open to the atmosphere
Use the Hydraulic Pressure Sensor block in the Simscape Fundation Library - Hydraulic.

1 year ago | 0

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G ports in simulink?
To get the G port: open the Spherical Solid block. Expand the Export under the Geometry and check the Entire Geometry box.

1 year ago | 0

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Multiple Joints on flexible parts in Simscape Multibody
You can add new frames to the body elements. The new frames will have new associated ports. You can apply the forces at these po...

1 year ago | 0

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Is it a reliable number when pid tuning is performed using simscape multibody?
The Simulink PID block correctly implement a PID control. You specify the gains in the block dialog box.

1 year ago | 0

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Moment of inertia with coordinates
Moment of inertia is or , where m is the mass, r is the distance to the rotation axis.

1 year ago | 0

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Is there another way to increase the mass flow rate on simscape?
You need to understand the physics. Flow rate and pressure are related. The pressure in a volume is determined by in and out flo...

1 year ago | 0

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How to draw a Motor efficiency map having speed, torque and efficiency?
Use contour(x,y,z), where x, y need to be in grid corrdinate. You can study the following example for the grid coordinate x = 1...

1 year ago | 0

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Combining Simscape-Simulink Matlab versions 2018 and 2021
Replace the hard stop block with the hard stop block in the 2021a Simulink Library Browser.

1 year ago | 0

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Connection between current measurement and sum block
Use a PS-Simulink Converter block https://www.mathworks.com/help/physmod/simscape/ref/pssimulinkconverter.html#:~:text=The%20PS%...

1 year ago | 0

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Simscape Multibody, Transform Sensor, quaternion output
Take a look at this: https://www.mathworks.com/matlabcentral/answers/415936-angle-between-2-quaternions

1 year ago | 0

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Would it be possible to change the greyscale to a blue scale?
Take a look at the colormap command - https://www.mathworks.com/help/matlab/ref/colormap.html

1 year ago | 0

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The following code is not giving errors, but it does not solve the system of equations.
In order to solve a system of equations, the number of equations needs to equal the number of variables. You also need ==0 for t...

1 year ago | 0

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Solving a system of three second order coupled differential equation
Use as states and express the derivatives of the states as functions of the states, e.g., d/dt()=etc.

1 year ago | 0

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Solving ODE with sqrt
If you know how to solve an ODE in Matab, the problem might be negative values for the sqrt().

1 year ago | 0

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how to get eigenvalues and plot it
Use a loop to calculate and store the eigenvalues for each time point. Plot the data outside the loop.

1 year ago | 0

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Does Simscape Multibody enable torsion system modeling consisting of 2 or 3 rotating masses / inertias connected by spring and damper elements?
Connect the inertias with revolute joints and specify the spring stiffness and damping coeficient in the joint parameters.

1 year ago | 0

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Singularity error encountered when calculating inverse dynamics of a elastic joint.
Probably better to specify the desired angle at the output port (F port) of the Torsional elastiticity & damping block. You can ...

1 year ago | 0

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Heatmap - how to get the plotted colors
camp = colormap https://www.mathworks.com/help/matlab/ref/colormap.html

2 years ago | 0

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Which Block for Frequency as input signal for a prismatic joint?
You can apply force or impose motion for a Prismatic Joint. Use SImulink blocks to generate the signal you want and feed the sig...

2 years ago | 0

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Extracting natural frequencies and mode shapes from a Simscape Multibody model
You probably can linerarize your Simscape model and calculate the eigenvalues and eigenvectors.

2 years ago | 0

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How to design controller for models in Simscape multibody?
You can use MATLAB 'linearize' command to lineraize Simscape plant models, [sys, ~, info] = linearize(plantModel, opPoint). The ...

2 years ago | 0

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What can I do to import a complete assembly into Multibody if I'm using Fusion 360?
Can you export the model to a CAD software that supports Simscape Multibody Link?

2 years ago | 0

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I want to use variable as an input in a single run.
Try to feed the signal to the 'To Workspace block' directly to other blocks.

2 years ago | 0

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Finding pitch, yaw for a delta three wheeler using simscape or vehicle dynamics blockset
The Vehicle Body block only describes vehicle longitudial dynamics. You need a block that handle lateral dynamics to get roll an...

2 years ago | 0

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how to change simulink matlab (bellow) to code matlab? How do I enter the initial value?
https://www.mathworks.com/help/matlab/ref/ode45.html

2 years ago | 0

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elevator motor modelling code
You need to model the system with a differential equation: . Solve the equation with MATLAB or Simulink for given N(t).

2 years ago | 0

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Contact Forces/Torques for Robotics Applications
The Spatial Contact Force Block will automatically apply the forces to the elements connected to its two ports. You don't need t...

2 years ago | 0

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3D matrix with equation
does mean ? You can calculate the result using three loops on i, j, and l.

2 years ago | 0