Aerospace Measurements Laboratory 1 0
2
4
Mar. 11, 2008
Prerequisite: Exposure to IC 102 Data Analysis and Interpretation
Characteristics of measuring
systems: Calibration, sensitivity and error analysis.
Air data measurements:
Pressure altitude, airspeed
Flow measurements:
Hotwire anemometer, manometer, angle of attack sensor
Temperature Measurements:
Thermocouples, hot gas and cryogenic
measurements,
thermopiles
Strain measurements:
Strain gage types, strain gage sensitivity.
Pressure measurements:
Dependence of measurement dynamics on sensor
construction.
Inertial and GPS based sensors:
Accelerometers and gyroscopes; position,
velocity and time measurements.
Attitude and heading
reference systems: Errors in inertial sensors and
characterization.
Sensor interfacing:
amplifiers, filters, and other signal conditioning
circuits, analog and digital conditioning, ADC/DAC, synchronous and
asynchronous
serial communication.
REFERENCES:
E.Doeblin, Measurement Systems: Application and Design, 4th Edition,
McGraw-Hill, New York, 1990.
M.S. Grewal, R. Lawrence and A. Andrews, GPS, INS and integration
New York
: John Wiley, 2001
R.P.G. Collinson, Introduction to avaionics,Chapman and Hall, 1996
R.A. Gayakwad, OPAMPs and Linear Integrated Circuits, 4th ed.,
Prentice-Hall
India, New delhi 2002
D.H. Titterton & J.L. Weston, Strapdown Inertial Navigation
Technology, 2nd
ed., AIAA Progress in Astronautica & Aeronautics, Vol. 207, 2004.
G. Strang & K. Borr, Linear Algebra, Geodesy and GPS,
Wellesley-Cambridge
Press, 1997
Setup User Manuals and Component Data Sheets
List of experiments
1) Experiments related to simple error analysis
2) Motion measurement (position, Velocity & Acceleration)
3) Pressure measurement (Static, Dynamic, Unsteady)
4) Strain/force measurement
5) Temperature measurement (steady & time varying)
8) Analog interfacing (Amplifiers, filters, triggers etc.)
9) Digital interfacing (Sampling, ADC/DAC, Timers, Counters etc.)
10) IMU characterisation
11) GPS programming for position, velocity, time measurement