Networks I for M.E. ECE 09.201
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Transcript Networks I for M.E. ECE 09.201
Networks I for M.E.
ECE 09.201 - 2
James K. Beard, Ph.D.
Rowan Hall 238A
[email protected]
http://rowan.jkbeard.com
September 5, 2006
Welcome to Networks I
Learning Objectives –
Define
circuit elements
Master Ohm’s Law, Kirchoff’s Laws, etc.
Analyze electrical circuits
Apply circuit parameters (v, i, r, p, etc.)
Analyze DC circuits with passive elements
including: resistance, energy storage (C,L)
Build/Model circuits using MentorGraphics
and MatLab
September 5, 2006
Networks I for M.E.
Slide 2
Learning Aids: Overview
Lectures – Monday & Tuesday Rowan 239
Laboratories – Rowan Hall Room 204/6 - 221
One Lab Section – Mondays 3.15-6.00 pm
Syllabus/Text (read ahead – ch. 1/2)
Computer Tools
Learning Checks
Website
Email
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Networks I for M.E.
Slide 3
Learning Check #1
List 2 learning objectives of the course:
Networks 1
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Networks I for M.E.
Slide 4
Learning Aids:
Required Text :
Introduction to Electric Circuits
7th
Edition
Dorf and Svoboda
Websites :
http://users.rowan.edu/~beard/
http://rowan.jkbeard.com (maps to same Rowan server)
http://users.rowan.edu/~jannson/ (Peter Jannson, course owner)
Check your Email regularly (daily)
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Networks I for M.E.
Slide 5
Cruise course website
Website :
http://users.rowan.edu/~jansson/autumn06/Networks1/inde
x.html
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Networks I for M.E.
Slide 6
Learning Check #2
List the 2 learning aids of the course
Networks 1 that you think you will find
most helpful to you:
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Networks I for M.E.
Slide 7
Learning Evaluation
Grades
(3 @ 20%) – 60%,
Assignments (40%)
LECTURE:
Tests
In-Class LCs, HW and Participation (20%)
LABS:
Reports, HW, etc. (20%)
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Networks I for M.E.
Slide 8
How do we learn?
Hearing
Seeing
Reading
Doing
Other?
Do you think you can learn most everyone’s
name (15+) in this room in <10 minutes?
Let’s Experiment….
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Networks I for M.E.
Slide 9
Let’s stand up….
Put down your pencils ….
For the name game
NOTE: Very important learning aid is each
other
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Networks I for M.E.
Slide 10
Learning Check #3
List 3 names of colleagues that you did
not know before today
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Networks I for M.E.
Slide 11
Chapter 1 – Overview
History of electricity
Electric circuits and current flow
Systems of units
Voltage
Power and energy
Voltmeters and ammeters
Circuit analysis and design
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Networks I for M.E.
Slide 12
Imagine a World with..
No internet
No cell phones
No computers
No television or video games
No mass communication (radio,
telephone)
No tall buildings
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Networks I for M.E.
Slide 13
Imagine a World with..
No electricity
No electronic devices
No medical technology
No appliances
Refrigerators
Microwaves
Water heaters
Air conditioning
No traffic controls
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Networks I for M.E.
Slide 14
That world would be
Primitive
Difficult to survive in
A very hard life……
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Networks I for M.E.
Slide 15
Learning Check #4
List 2 important electric technologies that
have improved the quality of life for human
beings on Earth:
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Networks I for M.E.
Slide 16
Electrical Engineers
Transformed Society
Long, long ago in countries far, far away
the journey began…..
2637 BC – Hoang-Ti’s magnetic chariot
1110 BC – Tchi-nan magnetic compass
600 BC – Etruscans control lightning
250 BC – Flying Cupid in Diana’s temple
658 AD – Japan’s first magnetic cars
http://www.ph.utexas.edu/~ps304/History%20of%20electricity.htm
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Slide 17
Electrical Science Emerges
600 BC
1551 AD
1672
1720
1746
1814
1821
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Attractive power of E-S materials
Electricity and Magnetism defined
Pointed Conductors
Grey’s Planetarium
Atmospheric Electricity discovered
Electrical Spectrum detailed
First Electric Motor
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Slide 18
Electric Technology
1825
1832
1837
1879
1888
1895
1901
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First Electromagnet
First E-M Induction Generator
Telegraph
First DC Power System
First AC Generator
X-rays Discovered
Radio
Networks I for M.E.
Slide 19
Quotable Quotes
Heavier than air flying machines are
impossible
Lord
Kelvin – Royal Society 1895
There is no likelihood man can ever tap
the power of the atom
Robert
September 5, 2006
Milliken Nobel Laureate Physics 1923
Networks I for M.E.
Slide 20
Discovery continues
AC Electric Grids - 1900s
Fluorescent Lighting - 1930s
Computing – 1930s
Television, transistors – 1940s
Chips – 1960s
Personal Computing - 1970s
Internet – 1990
21st Century ?
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Networks I for M.E.
Slide 21
Learning Check #5
Of the electrical discoveries described in
the last 3 slides, which was the most
significant in terms of impact on modern
human society?
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Networks I for M.E.
Slide 22
Electric Circuits & Current Flow
An electric circuit is an interconnection of
circuit elements linked together to form a
closed path so that electric current may flow
continuously
i1
Resistor
Battery
Where is ground?
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Networks I for M.E.
Slide 23
Hydraulic Analogy
An electric circuit is an interconnection of
circuit elements linked together to form a
closed path so that electric current may flow
continuously
m1
Constriction
Pump
Where is 0 psi?
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Slide 24
Electric Circuits & Current Flow
Current is the time rate of flow of electric
charge (q) past a given point
Use lower case to indicate a time varying
current and upper case to indicate a constant
or direct current
dq
i
dt
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i1 i2
i1
i2
Networks I for M.E.
Slide 25
Hydraulic Analogy
Flow rate is the time rate of flow of mass (m)
past a given point
Use lower case to indicate a time varying flow
rate and upper case to indicate a constant
flow rate
dm
m
dt
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m1 m2
m1
Networks I for M.E.
m2
Slide 26
Units
Systeme International d’Unites
Base Units (m, kg, s, A, K, mol, cd)
Derived Units (J, W, C, V, Ω, S, F, Wb, H)
What are base units for Energy (J) and
Power (W)
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Networks I for M.E.
Slide 27
Assignment
Read Dorf & Svoboda Chapter 1
Read Dorf & Svoboda Chapter 2
Get your UNIX logons working and check them
UNIX
lab 221
Elvis, a UNIX application server
Must be done by Monday, September 11
Get help by e-mail to Mike Ciocco
September 5, 2006
Networks I for M.E.
Slide 28