New patent covers redirecting robot motions

The Chinese company Zhiyuan Robot, which develops and manufactures robots, has received a patent for a new technology that it says can significantly improve how robots interact in complex and unpredictable environments. The patent, registered to Zhiyuan Innovation (Shanghai) Technology Co., Ltd., describes a "robot motion redirection method, information carrier, electronic device and product."

The patented method is a multi-stage process. First, motion data from the object the robot is meant to imitate is converted into initial robot motion data. Next, that data is optimized to fit the robot's physical limits, such as joint rotation angles and maximum movement speed. The third stage detects and prevents collisions between the robot and surrounding objects. Finally, the resulting motion trajectory goes through a safety check to rule out any potentially dangerous situations.

The key advantage of the method is that it accounts for the robot's real physical constraints. This avoids cases where a robot tries to perform a movement that is physically impossible, which could damage equipment or cause injuries. The collision-prevention system also lets the robot work safely in a dynamic environment where objects constantly change position.

The safety check is another important element of the patented technology. It identifies and eliminates any potential risks tied to executing a movement. For example, the system can detect that a planned movement would overload one of the robot's joints and adjust the trajectory to avoid it.

The company says the technology will considerably widen the range of robot applications. Robots could work more efficiently in warehouses, factories and other facilities that demand high precision and coordinated movement. The development could also open new uses for robots in the service sector, such as caring for elderly people or assisting people with disabilities.

Overall, the patent is an important step toward smarter and safer robots capable of handling a wide range of tasks in very different conditions.