Submitted

Resonant DC-link inverter simulation models

Various resonant DC-link inverter simulation models are explored using different controllers.

5 mois ago | 6 downloads |

Submitted

PV array with algebraic loop broken

PV array with filter corrected to solve the algebraic loop problem.

environ un an ago | 62 downloads |

Answered

algebraic loop problem in PV array block

The reason why there is an algebraic loop: The V-Filter and I-Filter in the model, for the computation of Vd, is supposed to br...

algebraic loop problem in PV array block

The reason why there is an algebraic loop: The V-Filter and I-Filter in the model, for the computation of Vd, is supposed to br...

environ un an ago | 0

| accepted

Answered

Algebraic loop error in PV panels (in filter block)

The reason why there is an algebraic loop: The V-Filter and I-Filter in the model, for the computation of Vd, is supposed to br...

Algebraic loop error in PV panels (in filter block)

The reason why there is an algebraic loop: The V-Filter and I-Filter in the model, for the computation of Vd, is supposed to br...

environ un an ago | 0

Answered

How to initialize outpt of a matlab function block in simulink to zero

You can add a persistent variable and check if it is empty. If it is empty, then it means it is the first time the Matlab functi...

How to initialize outpt of a matlab function block in simulink to zero

You can add a persistent variable and check if it is empty. If it is empty, then it means it is the first time the Matlab functi...

environ un an ago | 0

Answered

How to solve algebraic loop error??

PV panel model with fixed algebraic loop: https://www.mathworks.com/matlabcentral/fileexchange/71682-pv-array-with-algebraic-loo...

How to solve algebraic loop error??

PV panel model with fixed algebraic loop: https://www.mathworks.com/matlabcentral/fileexchange/71682-pv-array-with-algebraic-loo...

environ un an ago | 0

Answered

How to connect two power grids in SimPowerSystem through DC_link?

Sorry, this answer is four years late: The 3-phase voltage sources you used to represent the grids are both tied to ground, t...

How to connect two power grids in SimPowerSystem through DC_link?

Sorry, this answer is four years late: The 3-phase voltage sources you used to represent the grids are both tied to ground, t...

plus d'un an ago | 0

Answered

Matrix interpolation in the direction of the third dimension

Here is my attempt at answering your question. I imagine that there are N matrices each with size nxn. Example matrices: %% n...

Matrix interpolation in the direction of the third dimension

Here is my attempt at answering your question. I imagine that there are N matrices each with size nxn. Example matrices: %% n...

plus d'un an ago | 1

Submitted

Newton-Raphson reciprocal approximation , 1/x and 1/sqrt(x)

The Newton-Raphson approximation of the reciprocal, i.e. 1/x and square root reciprocal is provided along with accuracy testing ...

plus d'un an ago | 1 download |

Answered

why PV panels gives algebraic loop errors?

The provided suggestion of the unit delay is a work around, but it does not provide the reason for the presence of the algebraic...

why PV panels gives algebraic loop errors?

The provided suggestion of the unit delay is a work around, but it does not provide the reason for the presence of the algebraic...

plus d'un an ago | 2

Submitted

On-line simplex search

A reentrant version of the well-known Simplex search (Nelder-Mead) optimization is provided.

plus d'un an ago | 2 downloads |

Solved

Create a square matrix of multiples

Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

plus d'un an ago

Solved

Determine if input is odd

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

plus d'un an 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 ...

plus d'un an 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...

plus d'un an 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:...

plus d'un an ago

Solved

Add a block to a model

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

plus d'un an ago

Solved

Connect blocks in a model

Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

plus d'un an ago

Submitted

Real time tunable filters

A library of first and second order filters whose parameters can be tuned in real-time.

presque 3 ans ago | 7 downloads |

Answered

Can matlab give me difference equation from transfer fucntion

syms z; H = (1-z^-1) / (1-3*z^-1+2*z^-2); [N, D] = numden(H); Nc = eval(coeffs(N)); %Get coeffs and evaluatle symbolic ...

Can matlab give me difference equation from transfer fucntion

syms z; H = (1-z^-1) / (1-3*z^-1+2*z^-2); [N, D] = numden(H); Nc = eval(coeffs(N)); %Get coeffs and evaluatle symbolic ...

environ 5 ans ago | 1