Related Experiment Video
Updated: Nov 3, 2025

11:53
The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
Published on: October 14, 2017
11.9K
Ball-Catching System Using Image Processing and an Omni-Directional Wheeled Mobile Robot.
1Department of Engineering Science, National Cheng Kung University, Tainan 701401, Taiwan.
Sensors (Basel, Switzerland)
|June 2, 2021
Summary
This study presents a robotic system for precisely catching thrown balls using advanced vision and control. The system accurately predicts ball trajectory and guides the robot for successful interception.
Area of Science:
- Robotics
- Computer Vision
- Control Systems
Background:
- Developing autonomous systems for dynamic object interception is challenging.
- Accurate real-time tracking and prediction are crucial for robotic ball catching.
Purpose of the Study:
- To design and validate an integrated robotic system for precisely catching thrown balls.
- To enhance the accuracy of ball trajectory prediction and robot navigation.
Main Methods:
- An omni-directional mobile robot equipped with dynamic stereo vision and a static camera.
- Kalman filter with deep learning for noise reduction and state estimation (position, velocity).
- Feedback linearization and PID control for robot navigation.
Main Results:
- The system accurately tracked the thrown ball using stereo vision.
- Deep learning-enhanced Kalman filter reduced visual measurement noise.
- The robot navigated effectively to intercept the ball.
- Experimental validation confirmed precise ball catching capabilities.
Conclusions:
- The developed system demonstrates high precision in autonomously catching thrown balls.
- The integration of advanced vision, filtering, and control strategies is effective.
- This research contributes to advancements in autonomous robotic interception systems.

