Lab 4: Sump Pump System Monitor
The assignment for this lab is to design, build, and demonstrate the logic to monitor storm water
management system.
A holding tank collects water during rain storms. A
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University of Texas at Arlington
EE 2347 Fall 2013
Homework 1 Due Sept. 18, 2013
PRINT YOUR NAME in CAPITAL LETTERS.
Last NAME:
ID # : XXXX-XX-
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INSTRUCTI
2016 Kambiz Alavi
EE 2403 TOPICS FOR EXAM 1 ON JULY 30, 2016:
(
Helpful resources:
Handouts emailed to you by instructor and by GTA,
Handout given in Class in Tuesday.
1. Understand what physical/eng
2014 Kambiz Alavi University of Texas at Arlington EE2347 Spring 2014
SECOND ORDER LINEAR TIME INVARIANT SYSTEM COMPLETE RESPONSE TO SINUSOIDAL
Example1 : underdamped series RLC =
with vC (0) V=
I 0 w
Definition
A source producing a voltage varying
sinusoidally with time: v(t) = Vm cos(t + ).
: Phase angle,
Vm: Amplitude.
determines the
value at t = 0.
: Angular frequency, related to period T via =
Understanding Engineering Problems That are solved by 1st Order Differential Equations 2016 K. Alavi
Examples of First Order Engineering Systems:
P1.
Radioactive decay. Remaining mass vs time: m(t)
P2
(c)2016 Kambiz Alavi
Solved Examples: First order inhomogeneous differential equations:
dy
+ =
= 10
y 4, for t 0, with y (0)
1.
dt
Try =
y (t ) Ae t + D. Substitute in diff eq.
4
we get D = 4 D = .
To
PROCEDURE FOR FINDING FOURIER TRANSFORM
Annotated by K. Alavi
1.
3.
4.
Start with definition of Fourier Transform.
For finite duration pulse(from -a to +b) integration starts at -a and ends at +b
If a
Problem 5
Inductor (Voltage Leads)
Resistor (Voltage and current
are in phase)
Capacitor (Current Leads)
Resistor (Voltage and current
are in phase)
Capacitor (Current Leads)
Inductor (Voltage Leads)
% plot the gain and phase shift of a circuit (Bode plot)
clear
%-%
Create a list of logarithmically spaced frequencies.
%-wmin=1;
wmax=1000;
% starting frequency, rad/s
% ending frequency, rad/s
w = l
% Circuit from lecture
% For circuit with Resistors only
clear
% Define all the resistor values
R1 = 5;
R2 = 10;
R3 = 15;
R4 = 10;
R5 = 5;
R6 = 20;
Vs = 200;
% Coefficient matrix from the four KCL and
% HW4 Part 2
% Sec 6.1
% LaPlace Transforms
% Problem Section 6.1 #1
clear
syms t s
f = 3*t + 12
F = laplace(f, t, s)
% Problem Section 6.1 #2
clear
syms a b t s
f = (a - b*t)^2
F = laplace(f, t, s)
%
% HW4 Part 1
% Problem 1
omega = 100
T = 2*pi/omega
theta2 = -102
theta1 = -54
phase_diff = theta2 - theta1
% portion of the full period
t = phase_diff*T/360
% Problem 2
v1_R =
v1_ang
v2_R =
v2_ang
5*
EE2347 Homework #4
Work all these problems by hand using the posted homework submission guidelines
Verify your work in Matlab (you do not have to turn in the Matlab scripts)
Due at the beginning of cl
EE2347 Quiz #1 Summer 2017
All Matlab scripts are to be uploaded to the Blackboard Quiz #1 assignment by 6pm June 22, 2017
without exception.
You are on your honor to watch these videos on your own an
EE2347 Homework #2
For all of these you must use Matlab
Everything should be done within one script and turned into the Homework #2 Blackboard
assignment by the beginning of class on June 20, 2017
All
EE2347 Homework #6 Summer 2017
Due Thursday August 10 at the beginning of class
For all these problems you must set up the problem (i.e. set up the expression that you would put into a
calculator or M
EE2347 Homework #3
For all of these you must use Matlab
Everything should be done within one script and turned into the Homework #3 Blackboard
assignment by noon (12pm) July 3th, 2017
All calculations
Sinusoidal Sources
Sinusoidal Sources
There exists a
relationship between the
sin and cos function
sin(wt) = cos(wt 90) =
cos(wt pi/2)
360 degrees = 2*pi radians
Transform for Resistors is trivial
sin