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4 Stroke Diesel Engine Simulation
Hello Augustine One option is to use the engine block from simscape driveline https://se.mathworks.com/help/physmod/sdl/ref/...

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

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Add two numbers
Given a and b, return the sum a+b in c.

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

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Simscape: Revolute joint block includes degree of freedom of other revolute joints in the assembly as its own degree of freedom?
Hi Joben If you want to make the joints passive, you should set: Actuation(none) - Motion (automatically computed). If actuat...

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

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How to generate force AND velocity on an hydaulic cylinder in Simscape
Hello you need: Force sensor (cylinder) Velocity source (cylinder) Force source (wheel-axle > motor) Velocity sensor ...

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Answered
Making an active revolute joint passive during simulation
Hello Amir I think the joint will be set to Torque (provided by input) and motion (automatically calculated). Then, when t...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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Answered
Max speed of a PMSM motor before Flux Weakening
Hi Federico Try the following example https://se.mathworks.com/help/physmod/sps/ug/three-phase-pmsm-drive.html Increase t...

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Problem with SimScape Controlled Voltage Source
Hi Carlos Check that the maximum step in your solver is small enough to capture the sine wave (10kHz). For example 10us. If t...

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Answered
Simscape Multibody PID Controller Tuning fails after different attempts.
Hello Florian Looking at the snapshot, it looked strange that you have a closed loop control but the motor joints are in kine...

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Simscape multibody simulation model extrusion
Hi Ramesh, you can’t do that in this case without several bodies since a cube can’t be built as a revoluted extrusion around...

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Why the robot gripper can not pick up the object in Simscape with Contact Forces Library ?
Hi John I would recommend that you use the Spatial Force Contact block we added to Simscape Multibody in latest releases. It is...

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Answered
Simscape Battery SOC increasing even with Circuit-Braker Open
Hello Sreeraj The way the model is configured, the current source forces the current anyhow through the breaker which ends up c...

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Variable Parameters for Simscape Thermal Mass
Hi Cem Easiest is to create a custom component using the code in Thermal Mass. Then, make the parameter of mass an input inst...

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Answered
Worm-gear connection in Simscape Multibody
Hi Eleni It is difficult to say exactly, but i think that the local z axes for both bodies at ports B and F must perpendicula...

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Gas System with Vacuum Pump
Hi Dan I believe it is better to use a pressure source than a volumetric flow rate source. In the inlet, you have the chamber...

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Position vector of the "Spatial Contact Force" reaction.
Hello Camilo This is not trivial to derive. You can have a sensor between selected points in the two bodies and then sample t...

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Answered
Cell arrays issues in Simscape component equations
Hola Rocio My advice is to use a hydraulic resistance instead and convert it to a flow sensor by having a low resistance And ...

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Answered
Simscape - Custom component with Frame Port
Hi Boris What you are trying to achieve can only be done by creating a domain consisting of a vector of across variables w an...

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