Alireza Ahmadi

5 Questions 1 Answers 0 Followers

Questions related from Alireza Ahmadi

‎Is there any estimation for \dfrac{\tanh[(‎\tau ‎s‎)^{‎1/2‎}]}{(‎\tau ‎s‎)^{‎1/2‎}} which is valid at high frequency?

‎\dfrac{\tanh[(‎\tau ‎s‎)^{‎1/2‎}]}{(‎\tau ‎s‎)^{‎1/2‎}} is Wrburg impedance

05 May 2015 7,825 1 View

Are there any difference between SOFC and PEMFC output voltage(Vcell) relations? what is/are the difference(s)?

10 October 2014 4,084 0 View

What can be inferred from autocorrelation of residuals for output of an estimated system plot?

this kind of plot

08 August 2014 5,188 4 View

How can I use a chirp signal as a FC input?

I have a fuel cell and I want to do some system identification methods on it, my FC's input is Hydrogen and Oxygen which is obtained from water electrolysis. How can I test different input on it...

04 April 2014 9,110 5 View

How can I answer this type of DE: u'(t)^2=4(u(t)-c)?

In the process of minimization a functional after putting Hamiltonian equation equal to a constant "c" I arrive at (x(t)^2)(1-x'(t))^2=c and I substitute u(t)=x(t)^2 and u'=2xx' and obtain...

01 January 2014 2,302 23 View