Distributed-rotor-based space motion mechanism gravity compensation device and compensation method
By using a distributed rotor space motion mechanism gravity compensation device, ducted fans and rotors provide lift, and combined with a real-time control system, the high cost and large footprint of traditional microgravity simulation methods are solved, realizing flexible microgravity simulation that does not affect equipment dynamics.
CN118270255BActive Publication Date: 2026-07-21HARBIN INST OF TECH
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HARBIN INST OF TECH
- Filing Date
- 2024-04-10
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Traditional microgravity simulation methods are expensive, have short simulation times, require large equipment footprints, and affect the dynamic characteristics of the tested equipment.
Method used
A gravity compensation device based on a distributed rotor space motion mechanism is adopted. Lift is provided by a ducted fan and a rotor-type gravity compensation device. The direction and magnitude of the lift are adjusted in real time by combining a gyroscope and an accelerometer to realize microgravity simulation.
Benefits of technology
It achieves low-cost, long-term microgravity simulation with a small device size that does not affect the dynamic characteristics of the tested equipment and can adapt to the simulation needs of different equipment.
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Figure CN118270255B_ABST
Abstract
The application discloses a kind of space motion mechanism gravity compensation device and compensation method based on distributed rotor, it is related to the field of ground experiment simulation of complex spacecraft product, solve the problem that traditional microgravity simulation method is high in cost, simulation time is short, device occupies large area, influence the dynamics characteristics of test equipment.The space motion mechanism includes base module and several arm rod modules, the arm rod module is arranged around base module;Base module is provided with rotor type gravity compensation device;Arm rod module includes large arm and small arm, and the ducted fan gravity compensation device is arranged on large arm and small arm;Ducted fan gravity compensation device includes ducted fan module, rudder machine module and control module one, control module one is connected with ducted fan module and rudder machine module signal respectively.The application uses the lift of rotor to carry out gravity compensation, simulates microgravity environment, has the advantages that mechanism volume is small, simulation time is long, occupies small area, and is easy to use.
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