Two prototype humanoid robotic fingers with optical tactile sensors, shown with a U.S. quarter.

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Durable Tactile Sensing for Robotic Fingers

Durable Tactile Sensing for Robotic FingersDurable Tactile Sensing for Robotic FingersDurable Tactile Sensing for Robotic Fingers

Optical tactile sensors designed for durability, maintainability, and practical use in robotic systems.

Optical Tactile Sensing

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Tactile Sensors for Robotic Hands

Development of compact optical tactile sensors for humanoid robotic fingers, with emphasis on durability, tactile image quality, graceful failure, and simple field replacement.

Simple Connection and Live Tactile Imaging

A standard USB connection provides live tactile imaging on a computer. This demonstration shows the sensor connected to a Mac and displaying the tactile camera output in real time.

Large Robotic Finger — Tactile Imaging Demonstration

This demonstration shows real-time tactile imaging with the larger robotic finger. Surface features and contact patterns are captured optically as objects are pressed against and moved across the compliant sensing surface.

Smaller Robot Finger - Tactile Imaging

similar tactile imaging capability has been incorporated into a substantially smaller, humanoid-scale finger

Rapid Sensor Replacement and LED Illumination

The tactile sensor cartridge is designed for rapid removal and replacement without tools, wiring changes, or disassembly of the robotic finger. The demonstration also shows the internal LED illumination used for optical tactile imaging.

Tactile Imaging with Multiple Sensors

Tactile images obtained from several independently fabricated sensors demonstrate the imaging capability of the optical tactile finger design across multiple sensor cartridges.

Optical Tactile Sensor Development

F. Richard Cottrell (Founder & Owner)

About Richard

Education:

1965-1968 Sc.D. Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts

1962-1965 B.S.Ch.E., Chemical Engineering, University of Massachusetts, Amherst, Massachusetts

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Cottrell Technology

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