Homework Statement
Hello,
I'm trying to reduce the following block diagram
Homework Equations
The Attempt at a Solution
I appear to be having some issues in doing this. The first thing that I did to reduce this block diagram was to take the forward path that has 2/(s+4) with negative...
The value for I_x doesn't seem to be correct. I'm not exactly sure how you got the value that you did. The node to the left of the 5 ohm resistor there's only three paths for current to flow through. It looks like your summing the currents at node A when you solve for Ix? If this is the case...
I would recommend not memorizing such equations. It really makes things complicated when presented with problems that don't fit them. There are several ways you could solve the problem. Do you know the equation for KVL for after the switch is opened?
Homework Statement
A white noise process W(t) with unity (N_0/2 = 1) power spectral density is input to a linear system. The output of the linear system is X(t), where
X(t) = W(t) - W(t - 1)
Determine the autocorrelation of X(t) and sketch it.
Homework Equations
Let τ denote a time...
My text says that we can find the frequency, ω_{max} at which the maximum phase angle, Θ_{max}, occurs
ω_{max} = \frac{1}{T\sqrt{β}}
But this doesn't really seem to help since I don't know the frequency ω_{max}, unless it's the bandwidth frequency ω_{BW}, which I don't think it is.
My text...
For a lead network G_{c}(s) = \frac{1}{β}\frac{s + \frac{1}{T}}{s + \frac{1}{βT}} I'm still unsure where \frac{1}{\sqrt{2}} came from though. There's a standard representation for the compensator C(s)?
Edit 1:
From the characteristic equation
1 + kG(s)C(s) = 0
kG(s)C(s) = -1
kG(s) = -...
done editing
Homework Statement
I'm given the following transfer function that represents a physical apparatus
G(s) = \frac{X(s)}{F(s)} = \frac{3.333*10^{4}}{s^{2}}
I'm asked to design a lead compensator to achieve closed-loop stability. The requirements are that it must have a transient...
Homework Statement
Given a electrical circuit as one below
One can find the transfer function
For second order systems this can be written as
I know that the damping coefficient can be found using the following formula
In the over damped case ζ>1 can easily occur depending on the...
Hi,
I seem to be having some issues going from state space representation of a system to signal flow graph representation. My troubles seem to be, if I have something like this
\frac{d}{dt}x_{1}(t) = v_{1}(t)
In state space representation I list functions to which the derivatives are as...
Homework Statement
I'm trying to implement the function
F = A'BC+ABD+AB'D'
using 3 tri-state buffers. Apparently I'm supposed to connect the buffers together and use C, D, and D' as inputs to buffers. I'm supposed to pass A and B through logic to get the input signals. I'm supposed to...
Well you've stumped me to stay the least, and I'm a bit concerned by suggesting that the problem can't be solved
I did not realize that I could think of the transistor and the diode as a switch. This may lead me in the right direction. I'm not exactly sure why it could be considered a switch...
Homework Statement
I'm given the following circuit
http://imageshack.com/a/img850/8576/b3ny.png [Broken]
and given L, V_{in}, D, P_{o}, f_{s} and q(t). How do I go about finding T_{s}, V_{a}, i_{L}, i_{L} ripple, and I_{o}.
Homework Equations
The Attempt at a Solution
I'm honestly not...
Homework Statement
Hi,
I was wondering if someone could help me create a basic differential equation in Simulink. I'm trying to create the following equations
http://imageshack.com/a/img197/1379/cic.PNG [Broken]
I tried using this as an example...
Hi,
Does anyone know a program that I can put on my TI-84 calculator that will allow me to input any transfer function and get the state space representation of the system or the other way around.
For example
G(s) = \frac{\sum(K_{i}s^{i})}{\sum(P_{i}s^{i})}
The calculator prompts you...
Homework Statement
I'm trying to find \frac{V_{Load}(s)}{I_{Dist}(s)} using Mason's rule. I was able to solve for \frac{V_{Load}}{I_{Cf}(S)} using Mason's rule but am not sure how to solve for \frac{V_{Load}(s)}{I_{Dist}(s)}.
http://imageshack.com/a/img31/4299/zr5.PNG [Broken]
Homework...
Homework Statement
http://imagizer.imageshack.us/v2/800x600q90/690/0tab.png [Broken] [Broken]
I'm asked to find the transfer function and then find the state space representation and seem to be stuck.
Homework Equations
The Attempt at a Solution
My textbook states that for a...
Homework Statement
\dot{}
I'm given the following circuit
http://imagizer.imageshack.us/v2/800x600q90/43/bwka.png [Broken]
Homework Equations
The Attempt at a Solution
I come up with the transfer function to be G(s) = \frac{s}{2+\frac{1}{s}}. The question asks me to...
Homework Statement
Find the transfer function, G(s) = \frac{V_{0}(s)}{V_{i}(s)} for each network shown in figure P2.3. [Section 2.4]
http://imagizer.imageshack.us/v2/800x600q90/20/1ocq.png [Broken]
Homework Equations
The Attempt at a Solution
When I try and solve this problem...
Homework Statement
Consider an amplifying medium, composed of homogeneous broadening four-level atoms as show in figure 26.5, page 557 of textbook.
http://img689.imageshack.us/img689/6108/lt2f.png [Broken]
Amplification is to occur on the 2-to-1 transition. The medium is pumped by a laser of...
Gain is the output voltage divided by the AC input? I solved for the AC input voltage and got 6.0036 volts. Oh I need the DC voltage V_S and use that value for V_GS
alright.
But wait,
In order to find V_{G} I just use the DC schematic diagram and get
V_{G} = \frac{R_{G}v_{in}}{R_{sig} +...
Wait really I can make up v_{in} to be anything I want? So I can just go with one volt? That seems weird, I was able to solve for it some how.
By v_{s} you mean the the AC voltage? It's just zero because it's connected to ground in the small signal equivalent circuit.