Cable Crosstalk Suppression with Two-Wire Voltage Feedback Method for Resistive Sensor Array.

Area of Science:

• Robotics and Sensor Technology
• Electrical Engineering and Circuit Design

Background:

• Flexible resistive tactile sensors offer robotic flexibility but suffer from crosstalk.
• Existing one-wire voltage feedback circuits are susceptible to cable resistance interference.

Purpose of the Study:

• To design and validate a new circuit to mitigate crosstalk in networked resistive sensor arrays.
• To improve the accuracy and reliability of flexible tactile sensor data.

Main Methods:

• Developed a two-wire non-scanned driving-electrode (VF-NSDE) circuit.
• Analytically derived the equivalent resistance expression for the two-wire VF-NSDE circuit.
• Evaluated circuit performance through simulations and prototype experiments.

Main Results:

• The two-wire VF-NSDE circuit effectively reduces crosstalk errors caused by connected cables.
• Simulations and experiments confirmed the significant reduction in crosstalk.
• The proposed method demonstrates positive features for 2-D networked resistive sensor arrays.

Conclusions:

• The two-wire VF-NSDE circuit is a viable solution for minimizing crosstalk in flexible tactile sensor arrays.
• This advancement enhances the performance and applicability of tactile sensors in robotics.
• The findings pave the way for more robust and accurate sensor systems.