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Related Experiment Video

Updated: May 3, 2026

Investigating Motor Skill Learning Processes with a Robotic Manipulandum
07:52

Investigating Motor Skill Learning Processes with a Robotic Manipulandum

Published on: February 12, 2017

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How reliable is robotic manipulation in the real world?

Robert D Howe1, Zixi Liu1

  • 1Paulson School of Engineering and Applied Sciences, Harvard University, Boston, MA 02134, USA.

Science Robotics
|December 17, 2025
PubMed
Summary

The reliability of robotic manipulation in unpredictable settings remains unclear. However, a success rate of 9,999 out of 10,000 dropped items suggests an acceptable performance threshold for automated tasks.

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Area of Science:

  • Robotics and Automation
  • Unstructured Environment Interaction

Background:

  • Assessing the reliability of robotic manipulation in unstructured environments is crucial for real-world applications.
  • Current benchmarks for manipulation success in unpredictable settings are not well-defined.

Purpose of the Study:

  • To investigate the reliability of robotic manipulation within unstructured environments.
  • To establish an acceptable performance metric for item dropping during manipulation tasks.

Main Methods:

  • Simulated or real-world robotic manipulation tasks were performed in environments lacking predictable structure.
  • Item drop rates were systematically recorded and analyzed to determine reliability.

Main Results:

  • The study indicates that a failure rate of 1 in 10,000 dropped items may represent an acceptable level of reliability.
  • This finding provides a quantitative benchmark for manipulation success in challenging conditions.

Conclusions:

  • Robotic manipulation in unstructured environments can achieve a high degree of reliability.
  • A 0.01% item drop rate is proposed as a viable performance standard for such systems.