A recent review in the Chinese journal Robot provides a comprehensive overview of space docking mechanisms, which are critical for on-orbit spacecraft interaction, functional expansion, and mission upgrades. The paper traces the development from early missions like Gemini and Soyuz to modern systems on the ISS and Chinese space station, and categorizes mechanisms into cooperative and non-cooperative types.
Key takeaways
- Cooperative docking mechanisms include manned hermetic types (center cone-rod and androgynous peripheral) and non-hermetic types (claw, three-finger, adapters, end effectors, electromagnetic).
- Non-cooperative capture mechanisms include mechanical claws, harpoons, nets, and flexible grippers for debris removal and servicing.
- Five key technologies are identified: system design and integration, navigation guidance and control, sensing and measurement, dynamics design and control, and simulation and ground testing.
- Trends point toward lightweight, high-tolerance, reusable designs with soft capture and electromagnetic options, as seen in LIDS/NDS/IBDM systems.
For manufacturers and integrators, the review underscores the importance of robust sensing, control, and simulation in developing docking systems for emerging applications like in-orbit servicing and debris cleanup, offering a technical roadmap for next-generation mechanisms.
Source: 《机器人》期刊 (robot.sia.cn) · Published 2026-05-12 · “空间对接机构研究发展综述”