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LabVIEW 7.1 Tutorial.

LabVIEW 7.1 Tutorial. Measurement Lab. MECH262-MECH261 Imran Haider Malik January 16, 2006. Outline. Introduction LabVIEW Introduction Data Acquisition (DAQ) Features of LabVIEW Example LabVIEW Interface Lab. Equipment Goals of the Lab. Work List of Experiments.

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LabVIEW 7.1 Tutorial.

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  1. LabVIEW 7.1 Tutorial. Measurement Lab. MECH262-MECH261 Imran Haider Malik January 16, 2006

  2. Outline • Introduction • LabVIEW Introduction • Data Acquisition (DAQ) • Features of LabVIEW • Example • LabVIEW Interface • Lab. Equipment • Goals of the Lab. Work • List of Experiments. • Introduction to TAs and Lab. Technicians. • Conclusions.

  3. LabVIEW 7.1 • Product of National Instruments (NI) • Software for Virtual Instrumentation • Data Acquisition (DAQ) • Graphical Programming • Data Storage and Analysis for wide Range of Applications

  4. Data Acquisition (DAQ) Time dependant Signal Recording (Acquisition) Components of DAQ: • Sensor ( Active or Passive) • Signal Conditioner (nowadays built-in with DAQ card) • DAQ Card • DAQ Software (LabVIEW)

  5. Features of LabVIEW 7.1 • Design • Signal and Image Processing • Embedded System Programming • (PC, DSP, FPGA, Microcontroller) • Simulation and Prototyping • And more… • Control • Automatic Controls and Dynamic Systems • Mechatronics and Robotics • And more… • Measurements • Circuits and Electronics • Measurements and Instrumentation • And more…

  6. Example Sound Signal Acquisition This can help Design a Tuning Device for Musical Instruments.

  7. LabVIEW Interface • Each Virtual Instrument (VI) has2 Windows • Front Panel • User Interface (UI) • Controls = Inputs • Indicators = Outputs • Block Diagram • Graphical Code • Data travels on wires from controls through functions to indicators • Blocks execute by Dataflow Front Panel Block Diagram

  8. LabVIEW Interface (Contd) • Help»Show Context Help, press the <Ctrl+H> keys • Hover cursor over object to update window Additional Help • Right-Click on the VI icon and choose Help, or • Choose “Detailed Help.” on the context help window

  9. LabVIEW Interface (Contd)

  10. LabVIEW Interface (Contd)

  11. LabVIEW Interface (Contd)

  12. LabVIEW Interface (Contd)

  13. Lab. Equipment Universal Measuring Instruments • Oscilloscope • Function Generator • Digital Voltmeter (DVM) Signal Generator

  14. Goals of the Lab. Work • Introduce LabVIEW • DAQ • Introduce different Sensors and their comparison • Use of Electronic instruments: Oscilloscope, Function Generator Digital Volt-meter (DVM).

  15. List of Experiments. • Instrumentation Overview. • Introduction to LabVIEW. • Data Sampling. • Time Constant. • Stress and Strain. • Transducer Sensitivity (Part 1) • Transducer Sensitivity (Part 2) and Linearity • Pressure Transducer Calibration and Jet Profile • Thermocouples: Calibration and Manufacturing

  16. What you should know being Engineer • Selection of DAQ system for an application • Selection of sensors • Limitations of the System • Alternative Solutions

  17. Introduction to TAs and Lab. Technicians.

  18. ??

  19. References • www.ni.com • Using the oscilloscope http://www.doctronics.co.uk/scope.htm

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