4th Sem ME/PM DC-5
(3 Hours Lecture/week): 3 credits
Module I: (10 Hours)
Basic Concepts- Measurement system elements, Experimental Test Plan- Random Tests, Replication & repetition, Calibration - Sensitivity, Range, Accuracy, Standards, Traceability. Signals - Types of waveforms, Signal analysis, Signal amplitude & frequency, Fourier transform, Frequency spectrum. Measurement Systems Modelling- General model, First order systems, Second order systems, Transfer functions.
Module II: (10 Hours)Statistical Measurement theory- Confidence intervals for means and standard deviations, Regression analysis, Data outlier detection. Uncertainty analysis- Type A and Type B, Determining combined standard uncertainty- Uncorrelated and correlated input quantities, reporting. Sampling concepts, Digital devices, D/A & A/D conversion, Data acquisition systems.
Module III: (10 Hours)
Metrology: Interferometry-, Slip gauges, Comparators, Abbe's principle, Pneumatic transducer, Electronic transducers, Angle measurement- Sine bar, angle gauges Optical instruments- Profile projectors, Autocollimators. Surface finish- Parameters, Stylus instruments. Limits and fits, Tolerancing of gauges, Evaluation of geometric tolerances, Screw thread measurements, Gear measurements. Coordinate Measuring Machines- Construction, Operation & Programming, Software, Applications. Machine Vision.
Module IV: (9 Hours)
Instrumentation: Temperature measurement- Expansion thermometers, Resistance Temperature Detectors, Thermistors, Thermocouples, radiative measurements. Pressure measurements- Manometers, Elastic transducers. Strain measurements- Resistance & semiconductor strain gauges, circuits and arrangements. Force & Torque measurements.
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