A High-Repeatability Three-Dimensional Force Tactile Sensing System for Robotic Dexterous Grasping and Object Recognition
2024

High-Repeatability Tactile Sensor for Robots

publication Evidence: high

Author Information

Author(s): Shi Yaoguang, Lü Xiaozhou, Wang Wenran, Zhou Xiaohui, Zhu Wensong

Primary Institution: School of Aerospace Science and Technology, Xidian University, Xi’an, China

Hypothesis

Can a flexible tactile sensor with a supporting layer improve the repeatability and accuracy of robotic dexterous hands?

Conclusion

The proposed tactile sensor system shows high repeatability and accuracy in object recognition for robotic hands.

Supporting Evidence

  • The tactile sensor has a detection range of 0–5 N and a resolution of 0.2 N.
  • The repeatability error of the sensor is as low as 1.5%.
  • The response times are 80 ms for loading and 160 ms for unloading.
  • Classification accuracy for object recognition is higher than 95%.

Takeaway

This study created a special sensor for robot hands that helps them feel and recognize objects better, making them more useful.

Methodology

The study involved designing a flexible tactile sensor with a supporting layer, conducting finite element modeling, and performing experimental tests to evaluate its performance.

Limitations

The sensor's ability to detect shear forces is limited due to its small thickness.

Digital Object Identifier (DOI)

10.3390/mi15121513

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