Syllabus - Virtual Instruments (BM603 (C))


Biomedical Engineering

Virtual Instruments (BM603 (C))

VI-Semester

UNIT 1

Representation of analog signals in the digital domain – Review of quantization in amplitude and DAC.

and theorem, ADC sampling sample hold, axes, time and

UNIT 2

Concept of virtual instrumentation – PC based data acquisition – Typical on board DAQ card – Resolution and sampling frequency - Multiplexing of analog inputs – Single-ended and differential inputs – Different strategies for sampling of multi-channel analog inputs. Concept of universal DAQ card - Use of timer-counter and analog outputs on the universal DAQ card.

UNIT 3

Interfacing of external instruments to a PC – RS232, RS 422, RS 485 and USB standards - IEEE 488 standard – ISO-OSI model for serial bus – Introduction to bus protocols of MOD bus.

bus CAN and

UNIT 4

Concepts of graphical programming – Lab-view software – Concept of VIs and sub VI - Display types – Digital – Analog – Chart – Oscilloscopic types – Loops – Case and sequence structures - Types of data – Arrays – Formulae nodes –Local and global variables – String I/O. file and

UNIT 5

Fourier transform - Power spectrum - Correlation – Windowing and filtering tools – Simple temperature indicator – ON/OFF controller – P-I-D controller - CRO emulation - Simulation of a simple second order system – Generation of HTML page.

Practicals

Reference Books

  • S. Gupta and J.P Gupta, ‘PC Interfacing for Data Acquisition and Process Control’, 1994.

  • Peter W. Gofton, ‘Understanding Serial Communications’, Sybex International. 2003.

  • Robert H. Bishop, ‘Learning with Lab-view’, Prentice Hall, America, society of Instrument REFERENCE BOOKS 1. Kevin James, ‘PC Interfacing and Data Acquisition: Techniques for Measurement, Control’, Newness, 2000.

  • Gary W. Johnson, Richard Jennings, ‘Lab-view Graphical Programming’, McGraw Hill Professional Publishing, 2001.