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GENERAL ULTRASONIC SYSTEM

GENERAL ULTRASONIC SYSTEM. TRANSMITTER CIRCUIT ULTRASONIC TRANSDUCERS RECEIVER CIRCUIT MEASURING CIRCUIT ANALYZER CIRCUIT SIGNAL PROCESSOR DISPLAY CIRCUIT. GENERAL ULTRASONIC SYSTEM. T. R. TRANSMITTER CIRCUIT. RECEIVER CIRCUIT. OBJECT. DISPLAY CIRCUIT. SIGNAL PROCESSOR.

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GENERAL ULTRASONIC SYSTEM

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  1. GENERAL ULTRASONIC SYSTEM • TRANSMITTER CIRCUIT • ULTRASONIC TRANSDUCERS • RECEIVER CIRCUIT • MEASURING CIRCUIT • ANALYZER CIRCUIT • SIGNAL PROCESSOR • DISPLAY CIRCUIT

  2. GENERAL ULTRASONIC SYSTEM T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT

  3. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Signal Generator • Pulse Generator • Modulator • Electronic Switch • Power Amplifier • High Voltage Power Supply

  4. TRANSMITTER CIRCUIT (1) Pulse Generator Electronic Switch 100 V – 1500 V High Voltage Power Supply Start T 

  5. TRANSMITTER CIRCUIT (2) Signal Generator 12 V Modulator Power Amplifier Pulse Generator fo  Start

  6. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Transmitter Transducer • Electric  Acoustic • Loudspeaker

  7. TRANSMITTER TRANSDUCER • Straight beam transducer • Angle beam transducer • Transmitter/Receiver (TR) transducer • Focused transducer • Immersion transducer

  8. ULTRASONIC TRANSDUCER Wide-band Transducer Narrow-band Transducer

  9. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT Radiated Waves : • Longitudinal Wave • Transversal Wave • Rayleigh Wave

  10. RADIATED WAVES • Longitudinal wave • Particle displacement parallel with wave direction • Transversal wave • Particle displacement perpendicular to wave direction • Rayleigh wave (surface wave) • Particle displacement in elliptic movement

  11. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Received Waves : • Reflected Wave • Transmitted Wave • Refracted Wave • Diffracted Wave • Scattered Wave

  12. Incident wave Transmitted wave Reflected wave Refracted wave Incident wave RECEIVED WAVES

  13. R2 R1 R3 T RECEIVED WAVES Incident wave Diffracted wave Incident wave Scattered wave

  14. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Receiver Transducer • Acoustic  Electric • Microphone

  15. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Pre-Amp • Low Pass Filter • High Pass Filter • Amplifier

  16. RECEIVER CIRCUIT Pre-Amplifier LPF HPF Amplifier

  17. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Peak Detector • Comparator • Monostable • Flip-Flop • Oscillator • Modulator • Counter

  18. MEASURING CIRCUIT Frequency Analysis Amplitude Analysis Receiver Circuit Peak Detector Comparator Monostable Time Analysis

  19. Transmitted Signal Reference Signal Start Received Signal Stop

  20. Time Measurement Oscillator Start Monostable 1 Flip-Flop Modulator Counter Monostable 2 Stop

  21. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Time • Amplitude • Frequency

  22. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • A/D Converter • Microprocessor • Micro Controller

  23. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Velocity • Atenuation • Frequency Contents

  24. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Calibration curve • Neural network • Spectroscopy • Tomography

  25. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Oscilloscope • Seven Segments • Computer Display • Liquid Crystal Detector

  26. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Materials : • Metals, Polymers, Ceramics • Concretes, Soils and Rocks • Woods, Rubbers, Pulps • Vegetables and Fruits • Liquids and Gas

  27. T R TRANSMITTER CIRCUIT RECEIVER CIRCUIT OBJECT DISPLAY CIRCUIT SIGNAL PROCESSOR ANALYZER CIRCUIT MEASURING CIRCUIT • Measured Variables : • Mechanical Properties • Physical Properties • Chemical Properties • Process Variables

  28. Mechanical Properties Young Modulus Shear Modulus Poisson Ratio Chemical Properties Glucose Concentration Salt Concentration Liquid Composition MEASURED VARIABLES • Physical Properties • Porosity • Compressive Strength • Firmness • Mass density • Viscosity • Process Variables • Temperature • Pressure • Flow • Level

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