M E 345 Lectures, Labs, and Homework, Fall 2014

Lecture Material (weeks 1-5)
Lecture Material (weeks 6-10)
Lecture Material (weeks 11-15)

Week 1 Dates
08/25-08/29
Lecture topics
Introduction to mechanical engineering measurements purpose, dimensions and units, significant digits; Dimensional analysis - primary dimensions, method of repeating variables;
Review of basic electronics and circuits;
Errors and uncertainties - bias and precision error, accuracy, calibration; Basic statistics mean, standard deviation, variance, median, mode, etc.
Learning modules (pdf files)
Introduction_to_Measurements.pdf

Dimensional_Analysis.pdf
Cengel_Cimbala_list_parameters.pdf
Darth Vader image

Electronics_Review.pdf

Errors_and_Calibration.pdf

Basic_Statistics.pdf
Lecture notes (tablet PC)
Before Class
Lecture 01
Lecture 02
Lecture 03
After Class
Lecture 01
Lecture 02
Lecture 03
Excel and MATLAB files
Sample_Excel_sine_function_plot.xls
Sample_MATLAB_sine_function_plot.m
Sample_Minitab_sine_function_plot.MPJ

Sample_Excel_error_calculations.xls
Sample_MATLAB_error_calculations.m
Sample_Minitab_error_calculations.MPJ

Sample_basic_statistics_data.xls
Sample_basic_statistics_data.m
Sample_basic_statistics_data.MPJ
Extra Stuff: Papers, Articles, and Videos
Accuracy and precision (Wikipedia)
Accuracy, precision, resolution article
Slides - Dim. Anal., U. Syndey
Article - Dim. Anal. and Legos
Comic about dimensional analysis

Videos for this course
Videos from other sources
Homework assignments
No homework this week
REVIEW the information below:

Homework information and format
Sample homework problem format
Labs
No lab this week
REVIEW the information below:

Lab rules, regulations
Lab reports - format
Lab sections
Videos for our lab
Week 2 Dates
09/01-09/05
Lecture topics
Histograms; Probability density functions; The normal (Gaussian) distribution
Learning modules (pdf files)
Histograms.pdf

Probability_density_functions.pdf

Gaussian_or_Normal_PDF.pdf
Lecture notes (tablet PC)
No class on Monday - Labor Day
Before Class
Lecture 04
Lecture 05
After Class
Lecture 04
Lecture 05
Excel and MATLAB files
Example_basic_statistics_velocity.xls
Example_basic_statistics_velocity.MPJ

Class_example_histogram.xls
Class_example_NICE_histogram.xls
Sample_Excel_histograms.xls
Sample_MATLAB_histograms.m
Sample_Minitab_histograms.MPJ

Temperature_data_analysis.xls
Temperature_data_analysis.m
Temperature_data_analysis.MPJ
Extra Stuff: Papers, Articles, and Videos
Simple interpolation program (.exe)

Videos for this course
NEW. How to create a nice histogram in Excel
Videos from other sources
Homework assignments
HW Set 1 - Due Friday 09/05
Labs
Introduction and creation of lab groups;
Lab 0 (pdf) - Demo Lab
Lab 0 (doc) - Demo Lab

Intro Videos for our lab
Breadboard Videos for our lab
Other (outside) Lab Videos
The_555_Timer_IC.pdf
Week 3 Dates
09/08-09/12
Lecture topics
Central limit theorem; Other PDF distributions - lognormal, student's t, chi-squared; Correlation and regression analysis (least-squares curve fits)
Learning modules (pdf files)
Central_Limit_Theorem.pdf
Other_PDFs.pdf

Correlation_and_trends.pdf
Regression_analysis.pdf
Lecture notes (tablet PC)
Before Class
Lecture 06
Lecture 07
Lecture 08
After Class
Lecture 06
Lecture 07
Lecture 08
Excel and MATLAB files
Using_t_PDF_to_estimate_mean.xls
Using_t_PDF_to_estimate_mean.m
Using_t_PDF_to_estimate_mean.MPJ

Class_Example_Correlation.xls
Class_Example_Correlation.m
Class_Example_Correlation.MPJ

Regression_linear_fit.xls
Regression_linear_fit.m
Regression_linear_fit.MPJ
Regression_multiple_variables.xls
Regression_multiple_variables.m
Regression_multiple_variables.MPJ
Regression_second_order.xls
Regression_second_order.m
Regression_second_order.MPJ
Regression_nonlinear_fits.xls
Regression_nonlinear_fits.m
Extra Stuff: Papers, Articles, and Videos
Example - CLT really works
Animated examples of problems with regression

Videos for this course
Videos from other sources
Homework assignments
HW Set 2 - Due Friday 09/12
Labs
Lab 1 (pdf) - Introduction
Lab 1 (doc) - Introduction

MATLAB data acquisition file
Instructions for MATLAB DAQ
Circuit Components (pictures)
Week 4 Dates
09/15-09/19
Lecture topics
Outliers - single variables and data pairs; Experimental uncertainty analysis - RSS uncertainty; Experimental design - full vs. fractional factorial tests, Taguchi design arrays
Learning modules (pdf files)
Outliers.pdf

Exper_Uncertainty_Analysis.pdf

Experimental_Design.pdf
Taguchi_orthogonal_arrays.pdf
Lecture notes (tablet PC)
Before Class
Lecture 09
Lecture 10
Lecture 11
After Class
Lecture 09
Lecture 10
Lecture 11
Excel and MATLAB files
Outliers_and_Thompson_tau.xls
Outliers_and_Thompson_tau.m
Outliers_and_Thompson_tau.MPJ
Outliers_data_pairs_1.xls
Outliers_data_pairs_1.MPJ
Outliers_data_pairs_2.xls
Example_Outliers_data_pairs.xls

Example_Taguchi_array.xls
Example_Taguchi_array.m
Example_Taguchi_array.txt
Example_Taguchi_array.MPJ
Extra Stuff: Papers, Articles, and Videos
On-line Taguchi arrays
SAE article - practical application

Videos for this course
Videos
Homework assignments
HW Set 3 - Due Friday 09/19
hw_03_Problem_04_post.xls
Labs
Lab 2 (pdf) - Basic Statistics
Lab 2 (doc) - Basic Statistics
Resistor color code calculator
Vernier_scale_Wikipedia.pdf
How_to_read_micrometer.pdf
Using_the_ADXL335_Accelerometer.pdf
USB1608G_Sample.m
Videos for our Lab
Other (outside) Lab Videos
Week 5 Dates
09/22-09/26
Lecture topics
RSM - Response surface methodology - an efficient way to hunt for an optimum result; Hypothesis testing - how to use statistics to make decisions
Learning modules (pdf files)
RSM.pdf

Hypothesis_testing.pdf
Two_Samples_Hypothesis_Testing.pdf

One-tail p-values, t PDF, df = 9
One-tail p-values, t PDF, df = 19
One-tail p-values, t PDF, df = 29
Lecture notes (tablet PC)
Before Class
Lecture 12
Lecture 13
Lecture 14
After Class
Lecture 12
Lecture 13
Lecture 14
Excel and MATLAB files
Example_RSM.xls
Example_RSM.m
Example_RSM.txt
Example_RSM.MPJ
sample_car_engine_RSM.xls
sample_car_engine_RSM.m
sample_car_engine_RSM.txt

Two_samples_t_test_same_n.xls
Two_samples_t_test_same_n.m
Two_samples_t_test_same_n.txt
Two_samples_t_test_different_n.xls
Two_samples_t_test_different_n.m
Two_samples_t_test_different_n.txt

Two_samples_hypothesis_scores.xls
Extra Stuff: Papers, Articles, and Videos
Wiki for RSM
Wiki for hypothesis testing
Article, statistics with cookies
CDT article on 95% rule

Videos
Homework assignments
HW Set 4 - Due Friday 09/26
Labs
Lab 3 (pdf) - Correlation and Regression
Lab 3 (doc) - Correlation and Regression
Using_the_ADXL335_Accelerometer.pdf
Week 6 Dates
09/29-10/03
Lecture topics
Digital data acquisition - introduction to digital data, A/D conversion, discrete sampling, clipping, aliasing; Signal reconstruction - the Cardinal series; Spectral analysis - introduction to Fourier series, harmonic amplitude plots; Fourier transforms - introduction to Fourier transforms, DFTs and FFTs
Learning modules (pdf files)
Digital_Data_Acquisition.pdf
My_Favorite_Binary_Number_Joke.pdf

Signal_Reconstruction.pdf

Spectral_Analysis_Fourier_series.pdf

Fourier_Transforms_DFTs_FFTs.pdf
Lecture notes (tablet PC)
Before Class
Lecture 15
Lecture 16
Lecture 17
After Class
Lecture 15
Lecture 16
Lecture 17
Excel and MATLAB files
Simulate_aliasing.xls
Simulate_aliasing.m

Cardinal_example.xls
Cardinal_series_example.m

Fourier_ramp_2_coeffs.xls
Fourier_ramp_2_coeffs.m

Excel_example_FFT_sine_wave.xls
MATLAB_example_FFT_fake_data.m
Excel_data_file_for_MATLAB_FFT.xls
MATLAB_example_FFT_read_data.m
Extra Stuff: Papers, Articles, and Videos
Dicimal-binary converter
Wikipedia definition of clipping
Aliasing with music
Guitar distortion article
Videos
Homework assignments
HW Set 5 - Due Friday 10/03
hw_05_Problem_05_post.xls
Labs
Lab 4 (pdf) - Experimental Design
Lab 4 (doc) - Experimental Design
Get RSM data (webpage)
Get RSM data (Excel file)
Week 7 Dates
10/06-10/10
Lecture topics
FFTs (continued) - Windowing - a technique to reduce leakage in FFTs; How to analyze the frequency content of a signal
Learning modules (pdf files)
Windowing_FFTs.pdf

Frequency_Content_of_Signal.pdf
Lecture notes (tablet PC)
Before Class
Lecture 18
Lecture 19
Lecture 20
After Class
Lecture 18
Lecture 19
Lecture 20
Excel and MATLAB files
FFT_Hanning_window_no_DC.xls
FFT_Hanning_window_no_DC.m
FFT_Hanning_window_with_DC.xls
FFT_Hanning_window_with_DC.m
FFT_Example_data_with_window.xls
FFT_Example_data_with_window.m
FFT_Example_data_with_window.txt
Extra Stuff: Papers, Articles, and Videos
FFT of a cat (jpg)
Beatles mystery chord
FFT of a guitar string

Videos
Homework assignments
HW Set 6 - Due Friday 10/10
hw_06_Problem_06_post.xls
Labs
Lab 5 (pdf) - Digital Data Acquisition and FFT
Lab 5 (doc) - Digital Data Acquisition and FFT
MusicAliasing.m (Matlab)
Guitar_FFT.vi (LabView)
MATLAB_Whistle_Data_Acquisition.m
Lab_5_acceleration_viewer.vi (LabView)
Lab_5_acceleration_log.vi (LabView)
Lab_5_Lego_FFT.m
USB1608G_Sample_with_FFT.m
Videos for our Lab
Week 8 Dates
10/13-10/17
Lecture topics
Filters - first-order low-pass filter, first-order high-pass filter, other filters
Learning modules (pdf files)
Filters.pdf
Digital_Filters.pdf
Lecture notes (tablet PC)
Before Class
Lecture 21
Lecture 22
Lecture 23
After Class
Lecture 21
Lecture 22
Lecture 23
Excel and MATLAB files
Data_using_Inverse_FFT_as_Filter_1.xls
Excel_using_Inverse_FFT_as_filter_1.xls
Excel_using_Inverse_FFT_as_filter_4.xls
Matlab_using_Inverse_FFT_as_filter_1.m
Extra Stuff: Papers, Articles, and Videos
How an iPhone works (article)
Simple fix for a receiver
Color organ using filters
More about filters from Bores

Videos
Homework assignments
No homework this week
Labs
Lab 6 (pdf) - Filters
Lab 6 (doc) - Filters
Videos for our Lab
Week 9 Dates
10/20-10/24
Lecture topics
Operational amplifiers (Op-Amps) - introduction and some circuits in which op-amps are used; Clipping circuits and examples, common-mode rejection ratio, gain-bandwidth product
Learning modules (pdf files)
Op_amps.pdf
Inside_the_741_Op_Amp.pdf
lm741_spec_sheet.pdf
Lecture notes (tablet PC)
Before Class
Lecture 24
Lecture 25
Lecture 26
After Class
Lecture 24
Lecture 25
Lecture 26
Excel and MATLAB files
Extra Stuff: Papers, Articles, and Videos
Application - headphone amplifier
Op-amps in noise cancellation
Op-amp for simple ECG machine
Op-amps in a guitar amp system
Op-amps Myths and Facts
Op-amp amp for your car
Videos
Homework assignments
HW Set 7 - Due Friday 10/24
hw_07_Problem_02_post.xls
Labs
No lab this week. Makeup labs can be scheduled.
Week 10 Dates
10/27-10/31
Lecture topics
Stress, strain, and strain gages - review of stress and strain, Hooke's law; Description of strain gages and how to use them; Wheatstone bridge circuits, and how they are used to measure strain
Learning modules (pdf files)
Strain_gages.pdf
Strain_gage_rosettes.pdf
Lecture notes (tablet PC)
Before Class
Lecture 27
Lecture 28
Lecture 29
After Class
Lecture 27
Lecture 28
Lecture 29
Excel and MATLAB files
Extra Stuff: Papers, Articles, and Videos
Article - strain gages on glaciers
Article - strain gages in Wii system
Article - strain gages on race cars
Animation - full bridge circuit
Article - how strain gages work
More strain gage information

Videos
Homework assignments
HW Set 8 - Due Friday 10/31
hw_08_Problem_07_500.xls
hw_08_Problem_07_760.xls
hw_08_Problem_07_1200.xls
Labs
Lab 7 (pdf) - Op-amps
Lab 7 (doc) - Op-amps
Big_print_out_741.pdf
Videos for our Lab
Week 11 Dates
11/03-11/07
Lecture topics
Dynamic system response - dynamic measuring systems, zero-, first-, and second-order systems
Learning modules (pdf files)
Dynamic_systems.pdf
Lecture notes (tablet PC)
Before Class
Lecture 30
Lecture 31
Lecture 32
After Class
Lecture 30
Lecture 31
Lecture 32
Excel and MATLAB files
Dynamic_systems_first_order.m

Example_second_order_implicit.xls
Second_order_step.m
Second_order_impluse.m
Extra Stuff: Papers, Articles, and Videos
Dynamic systems in nuclear reactor

Videos
Homework assignments
HW Set 9 - Due Friday 11/07
hw_09_Problem_01_post.xls
Labs
Lab 8 (pdf) - Strain Gage
Lab 8 (doc) - Strain Gage
Week 12 Dates
11/10-11/14
Lecture topics
Temperature measurement - types of temperature measurement including mechanical, thermoresistive, thermojunctive, and radiative methods
Learning modules (pdf files)
Temperature_measurement.pdf
Thermocouple color codes
Brief thermocouple tables
Omega Type J thermocouple table
EDITED Type J thermocouple table
Omega Type K thermocouple table
EDITED Type K thermocouple table
Omega Type T thermocouple table
EDITED Type T thermocouple table

Platinum_RTD_100_ohm_table.pdf
Thermistor resistance tables
Lecture notes (tablet PC)
Before Class
Lecture 33
Lecture 34
Lecture 35
After Class
Lecture 33
Lecture 34
Lecture 35
Excel and MATLAB files

Thermistor_resistance_table.xls
Extra Stuff: Papers, Articles, and Videos
Bimetallic thermostat controls
Oven dissection, Andrew Troutman
More about thermocouples (Wikipedia)
Thermoelectric generator (Wikipedia)
Ocean thermal energy conversion (OTEC)
New forehead temperature scanner

Videos
Homework assignments
HW Set 10 - Due Friday 11/14
Labs
Lab 9 (pdf) - Dynamic Systems
Lab 9 (doc) - Dynamic Systems
Dynamic_Lab_Angle_Log.vi
Dynamic_Lab_Lego_FFT.m
USB1608G_Sample.m
Week 13 Dates
11/17-11/21
Lecture topics
Mechanical measurements - mechanical measuring devices, such as potentiometers, linear variable displacement transducers, ultrasonic transducers, capacitance diplacement sensors, accelerometers, tachometers, and dynamometers
Learning modules (pdf files)
Mechanical_measurement.pdf
Interactive linear potentiometer
Lecture notes (tablet PC)
Before Class
Lecture 36
Lecture 37
After Class
Lecture 36
Lecture 37
Class canceled on Friday
Excel and MATLAB files
Extra Stuff: Papers, Articles, and Videos
History of the standard meter
Potentiometers as volume controls
LVDT senses bills in ATM machine!
Applications of LVDT

Ultrasound_medical_applications.pdf
Understanding interferometry
Wagon wheel aliasing (animation)
Cool wagon wheel website
Strobe picture of a falling ball
More wagon wheel aliasing

Videos
Homework assignments
HW Set 11 - Due Friday 11/21
Note: Since class is canceled on Friday, HWs are due in Professor Cimbala's office (234 Reber) by noon on Friday this week.
Labs
Lab 10 (pdf) - Temperature Measurement
Lab 10 (doc) - Temperature Measurement
Fall Break Week Dates
11/25-11/29
Lecture topics
NO LECTURES
Learning modules (pdf files)
NO LEARNING MODULES
Lecture notes (tablet PC)
NO LECTURE NOTES
Excel and MATLAB files
NO FILES
Extra Stuff: Papers, Articles, and Videos
NO EXTRAS
Homework assignments
NO HOMEWORK
Labs
NO LABS
Week 14 Dates
12/01-12/05
Lecture topics
Fluid flow measurements - pressure, velocity, and volume flow rate measurements
Learning modules (pdf files)
Pressure_measurement.pdf

Velocity_measurement.pdf
Fringe_interference_two_laser_beams.doc

Volume_flow_rate_measurement.pdf
Lecture notes (tablet PC)
Before Class
Lecture 38
Lecture 39
Lecture 40
After Class
Lecture 38
Lecture 39
Lecture 40
Excel and MATLAB files
Extra Stuff: Papers, Articles, and Videos
propane tank manometer

Piezoelectric dance floor
Piezoelectric power for Ipod
Piezoelectric energy conversion
Piezoelectric roads
Piezoelectric roads controversy
Piezoelectric sensor for a drum head
Piezoelectric pickups for instruments
Piezoelectric shoes with lights
Medical sensor powered by rap music!

Strange RADAR gun ticket
RADAR guns and baseball
RADAR application - baby monitoring
Radar and cancer link?
LIDAR in House of Cards
Wikipedia - Pitot probes
Pitot-static probes on race cars
Pitot probe and airplane crash
Hot wires on fighter jets
PIV explained - good article
PIV in the Gulf oil spill

Videos
Homework assignments
HW Set 12 - Due Monday 12/08
Note the change in routine - this last HW not due until Monday.
Labs
Lab 11 (pdf) - Mechanical Measurements
Lab 11 (doc) - Mechanical Measurements
Week 15 Dates
12/08-12/12
Lecture topics
Fluid flow measurements (continued); REVIEW for final exam
Learning modules (pdf files)
Lecture notes (tablet PC)
Before Class
Lecture 41
Lecture 42
After Class
Lecture 41
Lecture 42
Class canceled on Friday. Professor Cimbala will set up some office hours to answer last-minute questions before the final exam.
Excel and MATLAB files
Extra Stuff: Papers, Articles, and Videos
Omega Flowmeter Write-up
Orifice flowmeter calculator
Venturi flowmeter calculator
Spirometers (rotameter app)
Is your gas station cheating?
Water data - PA USGS
Coriolis mass flow meters

Videos
Homework assignments
HW 12 is due Monday of this week - see previous week for the file. No new HW this week.
Labs
Lab 12 (pdf) - Fluid Measurements
Lab 12 (doc) - Fluid Measurements
This lab report must be turned in at the end of lab class.
FlowManager_screen_dumps.pdf
PIV_without_jet.PNG
Laminar_flow_meter_calibration.pdf


Prepared by Professor John M. Cimbala, Department of Mechanical and Nuclear Engineering at The Pennsylvania State University
Latest revision, 10 December 2014