trouble operating Simulink Control Design R2009a with MATLAB R2010a

Hi,
I only version of Simulink Control Design I was able to purchase as a student was R2009a. This doesn not seem to work with MATLAB R2010a that I have.
Can anyone help with this?
Regards,
Nitish Agrawal

Echo360

HI,

i figure out some problem with this new version of Echo.
it doesn't work with mozilla and bug with explorer.

hm1 pb2

i'm having some trouble with the fonction of the LC filter, i do not know the state equation.
i follow the step by step exemple.....; but i stuck on the state equ, i wrote two equ :
icf = ........; capacitor current
vlf =........; inductor voltage

%output
y = [icf/Cf vlf/Lf];

then i got the following message:
Embedded MATLAB Interface Error: Propagated size of data 'y' (#79) changed when propagating type.
The size was fixed to be '[2]' and now became '[1 2]'.

My question is should i wrote the T(s) equ of the LC filter ? did i miss some state equ?

HW2 Prob1 Error

When trying to run the BodePlotter_script.m file for the condition of Rload = 0.2 Ohm I receive this error:

??? Error using ==> feval
Trouble solving algebraic loop containing 'syncbuck_OL_Fil_Mak/LC filter/LC filter' at time 0. Stopping simulation. There may be a singularity in the
solution. If the model is correct, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances).

Error in ==> BodePlotter_script at 8
op = findop(model,op) %calculate model operating point

I'm thinking the problem is related to the load current because I had no issue with Rload = 1kOhm.


Any thoughts on reducing step size or tightening error tolerance so that I still get a reasonable answer...?

Lecture 5

The lecture 5 download doesn't look like the correct video (it looks like short demo video). Do others see the same?

Error in Sim, for Introduction

Hello,

I am going through the Matlab_Simulink_introduction.pdf, and am stuck on page 10 when I try to run the simulation.

Specifically, I get this error:

" Embedded MATLAB Interface Error: Can not resolve Simulink signal object 'y' for output port 1 of 'syncbuck_OL/SyncBuck/CCM buck'. "

The code in the Embedded Matlab looks fine to me I (I entered the code given on p. 6 ), however, maybe it is not. Any ideas ?

thanks
Mark

HW1,prob2 help!!

Embedded MATLAB Interface Error: Port width mismatch. Input "u"(#681) expects a one dimensional vector with 5 elements. The signal is a one dimensional vector with 4 elements.

I am having some trouble with getting the simulation of problem2 to work. I have attached an image of the simulink block diagram along with the error. Any help/suggestions are highly appreciated.