Saturday 01 February 2025
A team of researchers has developed a new approach to soccer kicking for humanoid robots that could lead to more powerful and accurate kicks on the field. The method, called the maximum-impulse approach, takes into account the physical constraints of the robot’s leg and body to generate a kick that maximizes the ball’s momentum.
The team used equations of motion with constant acceleration to split the kick into four phases: preparation, swing, continuation, and return. During each phase, the leg accelerates or decelerates in a specific way to achieve the desired velocity and angle. The approach also considers joint limits and torque available at the hip, ensuring that the kick is physically feasible.
The researchers tested their method on a real humanoid robot, called NimbRo-OP2X, which was able to kick the ball across the full 5.5-meter length of the soccer field in their lab. They compared their results with those from a waveform-based approach used previously and found that their maximum-impulse approach propelled the ball an average of 42% further.
The team’s approach also benefits from integrated balance controls, which allow the robot to maintain its stability while kicking. This is particularly important for humanoid robots, as they can be prone to losing their balance during complex movements like kicking.
The researchers believe that their method could be extended to other types of kicks, such as lateral and omnidirectional kicks, which would require more advanced control strategies. They also plan to test their approach on other humanoid robots and in real-world soccer games.
Overall, the maximum-impulse approach represents a significant step forward in the development of humanoid soccer robots. By taking into account the physical constraints of the robot’s leg and body, the team has been able to generate more powerful and accurate kicks that could potentially give humanoid robots an edge on the field.
Cite this article: “New Approach Boosts Power and Accuracy of Humanoid Robot Kicks”, The Science Archive, 2025.
Humanoid Robots, Soccer Kicking, Maximum-Impulse Approach, Equations Of Motion, Acceleration, Joint Limits, Torque, Balance Controls, Stability, Soccer Field.
