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Leveraging Environmental Contact and Sensor Feedback for Precision in Robotic Manipulation
Jan Šifrer1,2, Tadej Petrič1,2
1Department of Automatics, Biocybernetics and Robotics, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia.
Sensors (Basel, Switzerland)
|November 9, 2024
Summary
This study explores using robot physical contact with its environment to boost task precision. Methods like inverse kinematics and quadratic programming were tested on a real robot to show improved performance.
Area of Science:
- Robotics
- Control Systems
- Mechanical Engineering
Background:
- Robotic systems often struggle with precision tasks due to sensor limitations and environmental uncertainties.
- Leveraging physical contact offers a novel approach to enhance robotic task accuracy and robustness.
Purpose of the Study:
- To investigate methods for utilizing physical contact to improve robotic task performance, focusing on enhanced precision.
- To evaluate the effectiveness of different computational approaches, including inverse kinematics and quadratic programming, in real-time robotic applications.
Main Methods:
- Exploration of inverse kinematics for precise motion control.
- Application of quadratic programming for computationally efficient control using forward kinematics.
- Investigation of geometrical methods to simplify robot assembly and control complexity.
- Real-time implementation and experimental evaluation on a physical robotic platform.
Main Results:
- Demonstrated that physical contact can significantly enhance robotic precision in various tasks.
- Validated the computational efficiency and effectiveness of quadratic programming in real-time scenarios.
- Showcased the practical benefits of geometrical methods in simplifying robotic systems.
Conclusions:
- Physical contact is a viable strategy for improving robotic task precision and performance.
- The investigated methods provide practical solutions for enhancing robotic control and assembly.
- This research offers valuable insights for developing more capable and precise robotic systems in real-world applications.

