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China's space station has launched a small robotic arm

via:凤凰网     time:2022/8/3 13:00:24     readed:54

China's space station has officially launched a small robotic arm, according to the China Aerospace Science and Technology Corporation (CASC) on August 3. The small robotic arm installed outside the ASL bears the important task of independently completing the installation, replacement and other care operations of the external load. Recently, a small robotic arm successfully completed in-orbit tests with the support of ground personnel.

Here's the video:

The space station robotic arm, developed by the Fifth Academy of Aerospace Science and Technology Corporation, is the space intelligent mechanical system with the highest complexity, largest scale and highest control accuracy among similar space products at present, it was previously introduced. The 10.2-meter-long robotic arm can carry up to 25 tons of weight, and can assist in moving a laboratory module and astronauts out of the module.

The robotic arm in the station's core module has seven joints, meaning it has seven degrees of freedom. The robot arm is divided into two parts, the big arm and the small arm. It adopts the configuration scheme of "shoulder 3+ elbow 1+ wrist 3", and the end part is called "end-effector". By docking with the target adapter on the surface of the cabin body, the robot arm can crawl on the surface of the space station autonomic.

The two ends of the robot arm are equipped with multiple sensors and a vision system. Through the internal central controller, the robot arm can automatically formulate the action plan and complete the accurate action. The arm can be analyzed autonomously or remotely controlled by astronauts. The visual monitoring system is reflected in the shoulder, wrist and elbow of the robot arm with a visual camera; Among them, shoulder and wrist vision cameras can monitor the external state of the capsule and check the surface state of the capsule in case of detecting the impact of space debris on the experimental load exposed outside the capsule. Therefore, by crawling on the surface of the module with the robot arm and monitoring with the visual camera, it is just like a large selfie stick extended by the space station. The 360-degree full coverage without dead Angle monitoring is realized, and the inspection function of the space station's extravepod equipment is very cleverly realized.

The robot arm on the core module of China's space station is the most intelligent, difficult and complex intelligent manufacturing system in China, and it is the most realistic restoration of the human arm. All core components are localized.

translate engine: Youdao

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