Power Electronics & Drives Graduate

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

1 day ago

Solved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

4 days ago

Solved

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 ...

4 days ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

13 days ago

Solved

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

14 days ago

Solved

Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

16 days ago

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

16 days ago

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

18 days ago

Solved

Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

18 days ago

Solved

Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

18 days ago

Solved

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

19 days ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

19 days ago

Solved

Determine if input is odd

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

19 days ago

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

22 days ago

Solved

Roll the Dice!

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

22 days ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

22 days ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

22 days ago

Submitted

Bidirectional VSI based Regenerative Braking for BLDC Motor

The model uses bidirectional VSI to transfer power during braking conditions , and the energy is stored in the battery.

25 days ago | 52 downloads |

Answered

Simulink Model of Regenerative Braking

Hi Everyone, I have attached my MatLab simulation model for you guys to learn and analyse how it works. I am sorry, I was away...

Simulink Model of Regenerative Braking

Hi Everyone, I have attached my MatLab simulation model for you guys to learn and analyse how it works. I am sorry, I was away...

26 days ago | 0

Answered

Bidirectional converter in electric vehicle

Give a torque profile of two or four quadrant operation. So for example, during forward braking negative torque has to be applie...

Bidirectional converter in electric vehicle

Give a torque profile of two or four quadrant operation. So for example, during forward braking negative torque has to be applie...

2 years ago | 0

Answered

Is there a model which replicates regenerative braking on an 25kV AC Electrified Railway and a connection to an Electric Vehicle Charge Point for charging of EV Batteries? If they exist seperatly this would also be useful.

I doubt you will get a model as per your title. But you can always check in matlab examples https://www.mathworks.com/examples/ ...

Is there a model which replicates regenerative braking on an 25kV AC Electrified Railway and a connection to an Electric Vehicle Charge Point for charging of EV Batteries? If they exist seperatly this would also be useful.

I doubt you will get a model as per your title. But you can always check in matlab examples https://www.mathworks.com/examples/ ...

2 years ago | 0

Answered

Recharge and recovery braking energy.

Hi! I used simulink models avaliable in the matlab 2013a/2018a for regenerative braking. My simulation used bldc motor with VSI...

Recharge and recovery braking energy.

Hi! I used simulink models avaliable in the matlab 2013a/2018a for regenerative braking. My simulation used bldc motor with VSI...

2 years ago | 0

| accepted

Answered

Simulink Model of Regenerative Braking

Regenerative braking for an EV? Need some informations on what exactly you want to simulate. I did a simulation on regeneration...

Simulink Model of Regenerative Braking

Regenerative braking for an EV? Need some informations on what exactly you want to simulate. I did a simulation on regeneration...

2 years ago | 2

Answered

position and speed control of BLDC motor is not working.

Okay, my guess is it will not work because this model uses R2018b version and yours is 2016b. Version 2018b is having many featu...

position and speed control of BLDC motor is not working.

Okay, my guess is it will not work because this model uses R2018b version and yours is 2016b. Version 2018b is having many featu...

2 years ago | 0

Answered

BLDC model with simscape

From the model you shared I don't quite get the idea from where load torque and reference speed are taken from, anyway you can c...

BLDC model with simscape

From the model you shared I don't quite get the idea from where load torque and reference speed are taken from, anyway you can c...

2 years ago | 0

Answered

FFT Analysis at Simscape?

There are FFT blocks avaliable in library (though I never used those...) Why powergui is not working? Is there any errors?

FFT Analysis at Simscape?

There are FFT blocks avaliable in library (though I never used those...) Why powergui is not working? Is there any errors?

2 years ago | 0

Question

How to use lookup table as torque/speed input for a motor? I wanted to give a range of torque inputs and its corresponding speed variations for a BLDC motor.

I tried using the lookup table by giving values for both torque and speed (I gave 8 values for torque and speed) but it didn't w...

2 years ago | 0 answers | 0