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Questions for Assignment 1 - Laboratory | ECE 002, Assignments of Electrical and Electronics Engineering

George Washington University (GW)Electrical and Electronics Engineering

Material Type: Assignment; Class: Laboratory; Subject: Electrical & Computer Engring; University: George Washington University; Term: Spring 2009;

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

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The George Washington University
School of Engineering and Applied Science
Department of Electrical and Computer Engineering
ECE 002 - LAB
Homework # 1
Comprehensive Report on the Characterization of Robot’s Sensors
Due date: Next Lab 01/30/2009
Instructions:
-Although your group may have turned in a “group report” in the lab, this is to be an
individual homework, each student may use the data their group obtained during lab, but
each student is expected to turn in a unique and individual report.
-Using the data gathered in the lab the characterization of the analog sensors (light,
ultrasonic, sonar, etc), write a comprehensive and individual report that has the following
sections, and answers the corresponding questions:
-Lab report must be 3-5 Pages in length (2-3 written pages in addition to graphical data)
INTRODUCTION AND BACKGROUND
Provide a 2 paragraph explanation that answers the following 4 questions:
1) What is a sensor? (if using the internet to help with this answer,
PLEASE paraphrase into your own words)
2) Explain linearity of a sensor and why it is useful in sensor
characterization.
3) What are some practical applications of sensors?
4) Explain the experiment performed in today’s lab, its setup, its
purpose, the data gathering technique used, etc.
Provide a good amount of information the following question:
5) Choose and describe the application and operation of a sensor used
in your academic area of interest. An example for a computer
engineering student would be to pick a temperature sensor and
describe its role in helping a computer shut down automatically if
it is getting too hot. An example for a biomedical engineering
student could be to select any sensor that is used to monitor
patient's vital signs in the hospital -- this could be as simple as a
temperature sensor or a blood oxygen sensor, heart pulses and
brain wave monitors. Moreover, there are a lot of other sensors that
is used in chemistry, biology, and medical field. These could be
sensors used in different medical procedures, chemical testing, or
in the laboratory.
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The George Washington University

School of Engineering and Applied Science

Department of Electrical and Computer Engineering

ECE 002 - LAB

Homework # 1

Comprehensive Report on the Characterization of Robot’s Sensors

Due date : Next Lab 01/30/ Instructions : -Although your group may have turned in a “group report” in the lab, this is to be an individual homework, each student may use the data their group obtained during lab, but each student is expected to turn in a unique and individual report. -Using the data gathered in the lab the characterization of the analog sensors (light, ultrasonic, sonar, etc), write a comprehensive and individual report that has the following sections, and answers the corresponding questions: -Lab report must be 3-5 Pages in length (2-3 written pages in addition to graphical data) INTRODUCTION AND BACKGROUND Provide a 2 paragraph explanation that answers the following 4 questions: 1) What is a sensor? (if using the internet to help with this answer, PLEASE paraphrase into your own words) 2) Explain linearity of a sensor and why it is useful in sensor characterization. 3) What are some practical applications of sensors? 4) Explain the experiment performed in today’s lab, its setup, its purpose, the data gathering technique used, etc. Provide a good amount of information the following question: 5) Choose and describe the application and operation of a sensor used in your academic area of interest. An example for a computer engineering student would be to pick a temperature sensor and describe its role in helping a computer shut down automatically if it is getting too hot. An example for a biomedical engineering student could be to select any sensor that is used to monitor patient's vital signs in the hospital -- this could be as simple as a temperature sensor or a blood oxygen sensor, heart pulses and brain wave monitors. Moreover, there are a lot of other sensors that is used in chemistry, biology, and medical field. These could be sensors used in different medical procedures, chemical testing, or in the laboratory.

DATA COLLECTION AND ANALYSIS

  1. Describe each sensor used in lab and the basis for their operation (e.g. – sonar sensors are based on the sending and receiving of sound waves in the xx to xx range to do …).
  2. Provide a table that shows each sensor’s characterization - the data gathered in lab.
  3. Provide a graph that shows each sensor’s characterization. For each graph explain if the sensor is operating linearly.
  4. If you have interpolated or extrapolated data for your graph in your graph, explain how you made these calculations.
  5. For EACH sensor: using the “botball kit manual” - located at: http://www.seas.gwu.edu/~ece001/6usefulLinks/ HandyboardProgrammingManual.pdf compare the range you have determined experimentally in the lab to the expected range described in the manual, for EACH sensor. (e.g. – the sonar sensor has a range of approximately 30-2000mm, do your results back this claim?)
  6. Include the Interactive C source code that was used to gather data, ensure that comments are added to explain its operation in a succinct manner. Do NOT include a copy of for each sensor used, instead provide 1 example of the code. CONCLUSION
  7. Explain the results you acquired and tabulated in the data collection portion of your report.
  8. Explain any difficulties you encountered in the lab and how you did/did not overcome them.
  9. Speculate on any causes of errors WORKS CITED
  10. Include any sources used in writing your report in this section. Tips for lab report writing :  NEVER use first person in a lab report, as tempting as it may be. Example – instead of saying “I collected this data by…” say “This student collected data by…” or “This researcher…”  It is expected that you will need the Internet to assist in researching answers to questions in this report. If using a reference, site the source. If you paraphrase information found on the internet, you must still site the source!  Page #’s are very helpful: ex: Page 1 of 3.  Provide a cover page including your name, class: ECE002, TA’s name, and Group #.