One Interface, Many Robots: Unified Real-Time Low-Level Motion Planning for Collaborative Arms

A team of researchers has proposed a significant step toward robotic interoperability with a new paper titled 'One Interface, Many Robots: Unified Real-Time Low-Level Motion Planning for Collaborative Arms.' The work, led by Yue Feng, Weicheng Huang, and I-Ming Chen, introduces a common software interface designed to control the low-level, real-time motion of diverse collaborative robotic arms. This interface is a key component of their broader WinGs Operating Studio (WOS), a middleware platform that abstracts different robotic hardware into uniform software resources.

At its core, the proposed method employs an n-degree polynomial interpolator paired with a quadratic programming solver. This combination allows the system to generate smooth, continuously differentiable trajectories with precise control over the end-effector's position, velocity, and acceleration profiles. The researchers validated the system's versatility and reliability through three distinct experiments. First, an arm accurately drew geometric shapes in an offline demonstration. Second, a manipulator successfully grasped a dynamic object placed on a moving mobile robot, showcasing interruptible, low-frequency re-planning. Finally, in a teleoperation test, one robotic arm directly controlled another to perform a series of dexterous manipulations, proving the interface's ease of use and potential for complex, collaborative tasks.