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Nirma University
TACTILE SENSING TECHNIQUES
AND COMPARATIVE ANALYSIS
OF COMMERCIAL SENSORS
Aasheesh Tandon Paxaj Shukla Himanshu K Patel
• Interpretation of Tactile
• Tactile Sensing
• Parameters measured: pressure distribution, thermal
conductivity, etc.
• Performance Criteria: Sensitivity, Dynamic Range, Linearity,
etc.
INTRODUCTION
• Resistive
• Capacitive
• Inductive
TACTILE SENSING: TRANSDUCTION
METHODS
Capacitive Transduction
• Piezoresistive
• Piezoelectric
• Magnetic
TACTILE SENSING: TRANSDUCTION
METHODS
Magnetic Transduction
• Optoelectric
• Ultrasonic
• Tunnel Effect
TACTILE SENSING: TRANSDUCTION
METHODS
Proposed sensing mechanism for a force sensor
using QTC
• Capacitive Type
• Variable Resistive Type
• Conductive Rubber type
• Quantum Tunnelling Composite Type
COMMERCIAL TACTILE SENSORS
Capacitive Type
Leading Manufacturer: Pressure Profile Systems, Inc.
Product Name: DigiTacts System
COMMERCIAL TACTILE SENSORS
Sensor Characteristics and
Performance
– Pressure Range: 5, 20 or 40
– Pressure Sensitivity: 0.2%
– Signal to Noise Ratio (SNR):700:1
– Repeatability Error: 0.5%
– Linearity: 99.7%
ELECTRONICS SPECIFICATIONS
– Sample Rate: 30-100Hz
– Computer Interface: Bluetooth
– ADC Resolution: 16 bit
– Input Voltage: 5V
– Input Power: 2.5W
COMMERCIAL TACTILE SENSORS :
CAPACITIVE
Conductive Rubber Type
Leading Manufacturer: Weiss Robotics
Product Name:
i) DSA 9330/5: Highly Miniaturized Tactile Transducers for
Handling Tasks
ii) DSA 9205: Tactile Transducer for Handling Tasks
COMMERCIAL TACTILE SENSORS
DSA 9330
Power Supply
• 5V ± 10 %, 10mA
• Spatial Resolution
• 3.8 mm
• Operational Temperature Range
• 40° C
• Media Connected Parts
• Stainless Steel, Silicone Rubber
DSA 9205
Power Supply
• 5V ± 10 %, 10mA
• Spatial Resolution
• 3.4 mm
• Operational Temperature Range
• 0-40°C
• Measurement Range
• 250 kPa
COMMERCIAL TACTILE SENSORS:
CONDUCTIVE RUBBER
• Variable Resistance Type Tactile Sensors
Leading Manufacturer: Spectra Symbol
Product Name:
i) SoftPot Membrane Potentiometer
ii) HotPot Membrane Potentiometer
iii) ThinPot Membrane Potentiometer
COMMERCIAL TACTILE SENSORS
COMMERCIAL TACTILE SENSORS: VARIABLE
RESISTANCE TYPE
• Quantum Tunneling Composite Type Tactile Sensor
• Leading Manufacturer: Peratech Holdco Ltd
Product Name: QTC Touch Processing Unit
COMMERCIAL TACTILE SENSORS
COMMERCIAL TACTILE SENSORS: A
COMPARISON
THANK YOU !

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Tactile sensing techniques and comparative analysis of commercial

  • 1. Nirma University TACTILE SENSING TECHNIQUES AND COMPARATIVE ANALYSIS OF COMMERCIAL SENSORS Aasheesh Tandon Paxaj Shukla Himanshu K Patel
  • 2. • Interpretation of Tactile • Tactile Sensing • Parameters measured: pressure distribution, thermal conductivity, etc. • Performance Criteria: Sensitivity, Dynamic Range, Linearity, etc. INTRODUCTION
  • 3. • Resistive • Capacitive • Inductive TACTILE SENSING: TRANSDUCTION METHODS Capacitive Transduction
  • 4. • Piezoresistive • Piezoelectric • Magnetic TACTILE SENSING: TRANSDUCTION METHODS Magnetic Transduction
  • 5. • Optoelectric • Ultrasonic • Tunnel Effect TACTILE SENSING: TRANSDUCTION METHODS Proposed sensing mechanism for a force sensor using QTC
  • 6. • Capacitive Type • Variable Resistive Type • Conductive Rubber type • Quantum Tunnelling Composite Type COMMERCIAL TACTILE SENSORS
  • 7. Capacitive Type Leading Manufacturer: Pressure Profile Systems, Inc. Product Name: DigiTacts System COMMERCIAL TACTILE SENSORS
  • 8. Sensor Characteristics and Performance – Pressure Range: 5, 20 or 40 – Pressure Sensitivity: 0.2% – Signal to Noise Ratio (SNR):700:1 – Repeatability Error: 0.5% – Linearity: 99.7% ELECTRONICS SPECIFICATIONS – Sample Rate: 30-100Hz – Computer Interface: Bluetooth – ADC Resolution: 16 bit – Input Voltage: 5V – Input Power: 2.5W COMMERCIAL TACTILE SENSORS : CAPACITIVE
  • 9. Conductive Rubber Type Leading Manufacturer: Weiss Robotics Product Name: i) DSA 9330/5: Highly Miniaturized Tactile Transducers for Handling Tasks ii) DSA 9205: Tactile Transducer for Handling Tasks COMMERCIAL TACTILE SENSORS
  • 10. DSA 9330 Power Supply • 5V ± 10 %, 10mA • Spatial Resolution • 3.8 mm • Operational Temperature Range • 40° C • Media Connected Parts • Stainless Steel, Silicone Rubber DSA 9205 Power Supply • 5V ± 10 %, 10mA • Spatial Resolution • 3.4 mm • Operational Temperature Range • 0-40°C • Measurement Range • 250 kPa COMMERCIAL TACTILE SENSORS: CONDUCTIVE RUBBER
  • 11. • Variable Resistance Type Tactile Sensors Leading Manufacturer: Spectra Symbol Product Name: i) SoftPot Membrane Potentiometer ii) HotPot Membrane Potentiometer iii) ThinPot Membrane Potentiometer COMMERCIAL TACTILE SENSORS
  • 12. COMMERCIAL TACTILE SENSORS: VARIABLE RESISTANCE TYPE
  • 13. • Quantum Tunneling Composite Type Tactile Sensor • Leading Manufacturer: Peratech Holdco Ltd Product Name: QTC Touch Processing Unit COMMERCIAL TACTILE SENSORS