ultrasonic system1 general ultrasonic system transmitter circuit ultrasonic transducers receiver...
TRANSCRIPT
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Ultrasonic System 1
GENERAL ULTRASONIC SYSTEM
• TRANSMITTER CIRCUIT
• ULTRASONIC TRANSDUCERS
• RECEIVER CIRCUIT
• MEASURING CIRCUIT
• ANALYZER CIRCUIT
• SIGNAL PROCESSOR
• DISPLAY CIRCUIT
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Ultrasonic System 2
GENERAL ULTRASONIC SYSTEM
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
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Ultrasonic System 3
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Signal Generator Pulse Generator Modulator Electronic Switch Power Amplifier High Voltage Power Supply
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Ultrasonic System 4
TRANSMITTER CIRCUIT (1)
Pulse Generator
High Voltage Power Suply
Electronic Switch 100 V – 1500 V
Start
T
of
1T
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Ultrasonic System 5
TRANSMITTER CIRCUIT (2)
12 VSignal Generator
Pulse Generator
Modulator Power Amplifier
Start
fo
of
1
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Ultrasonic System 6
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Transmitter Transducer Electric Acoustic Loudspeaker
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Ultrasonic System 7
TRANSMITTER TRANSDUCER
Straight beam transducer Angle beam transducer Transmitter/Receiver (TR) transducer Focused transducer Immersion transducer
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Ultrasonic System 8
ULTRASONIC TRANSDUCER
Wide-band Transducer
Narrow-band Transducer
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Ultrasonic System 9
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Radiated Waves : Longitudinal Wave Transversal Wave Rayleigh Wave
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Ultrasonic System 10
RADIATED WAVES
Longitudinal wave Perpindahan partikel sejajar dengan arah gelombang
Transversal wave Perpindahan partikel tegak lurus arah gelombang
Rayleigh wave (surface wave) Perpindahan partikel berbentuk ellips
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Ultrasonic System 11
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Received Waves : Reflected Wave Transmitted Wave Refracted Wave Diffracted Wave Scattered Wave
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Ultrasonic System 12
RECEIVED WAVES
Transmitted wave
Reflected wave
Incident wave
Refracted wave
Incident wave
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Ultrasonic System 13
RECEIVED WAVES
Scattered waveIncident wave
Diffracted wave
T R2
Incident wave
R1 R3
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Ultrasonic System 14
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Receiver Transducer Acoustic Electric Microphone
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Ultrasonic System 15
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Pre-Amp Low Pass Filter High Pass Filter Amplifier
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Ultrasonic System 16
RECEIVER CIRCUIT
Pre-Amplifier LPF AmplifierHPF
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Ultrasonic System 17
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Peak Detector Comparator Monostable Flip-Flop Oscillator Modulator Counter
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Ultrasonic System 18
MEASURING CIRCUIT
Time Analysis
Monostable
Frequency Analysis
Amplitude AnalysisPeak Detector
Comparator
Receiver Circuit
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Ultrasonic System 19
Start
Stop
Transmitted Signal
Received Signal
Reference Signal
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Ultrasonic System 20
Time Measurement
Start
Stop
Oscillator
Flip-Flop Modulator Counter
Monostable 1
Monostable 2
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Ultrasonic System 21
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Time Amplitude Frequency
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Ultrasonic System 22
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
A/D Converter Microprocessor Micro Controller
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Ultrasonic System 23
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Velocity Atenuation Frequency Contents
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Ultrasonic System 24
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Calibration curve Neural network Spectroscopy Tomography
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Ultrasonic System 25
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Oscilloscope Seven Segments Computer Display Liquid Crystal Detector
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Ultrasonic System 26
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Materials : Metals, Polymers, Ceramics Concretes, Soils and Rocks Woods, Rubbers, Pulps Vegetables and Fruits Liquids and Gas
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Ultrasonic System 27
TRANSMITTER CIRCUIT
RECEIVER CIRCUIT
MEASURING CIRCUIT
ANALYZER CIRCUIT
SIGNAL PROCESSOR
DISPLAY CIRCUIT
T R
OBJECT
Measured Variables : Mechanical Properties Physical Properties Chemical Properties Process Variables
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Ultrasonic System 28
MEASURED VARIABLES
• Mechanical Properties– Young Modulus
– Shear Modulus
– Poisson Ratio
• Chemical Properties– Glucose Concentration
– Salt Concentration
– Liquid Composition
• Physical Properties– Porosity
– Compressive Strength
– Firmness
– Mass density
– Viscosity
• Process Variables– Temperature
– Pressure
– Flow
– Level