Abstract
The safety of on-orbit satellites is threatened by space debris with large residual angular velocity and the space debris removal is becoming more challenging than before. This paper explores the non-contact despinning and traction problem of high-speed rotating targets and proposes an eddy current brake and traction technology for space targets without any propellant consumption. The principle of the conventional eddy current brake is analyzed in this article and the concept of eddy current brake and traction without propellant is put forward for the first time. Secondly, according to the key technical requirements, a brand-new structure of a satellite generating artificial magnetic field is designed accordingly. Then the control mechanism of eddy current brake and traction without propellant is analyzed qualitatively by simplifying the model and conditions. Then, the magnetic pulse control method is proposed and analyzed quantitatively. Finally, the feasibility of the technology is verified by the numerical simulation method. According to the simulation results, the eddy current brake and traction technology based on magnetic pulses can make the angular speed of target decrease linearly without propellant during the process. This technology has huge advantages compared with conventional eddy current brake technology in terms of efficiency and reduced propellant consumption.
Highlights
With the development of aerospace technology, human activities in space are becoming more frequent
In order to break through the bottleneck of the application of eddy current despinning technology, this paper develop a non-propellant eddy current despinning and traction technology based on magnetic pulses
This paper studies the despinning method of the space rotating target, proposes a method of despinning and traction based on magnetic pulse without propellant, and designs a new despinning device
Summary
With the development of aerospace technology, human activities in space are becoming more frequent. Existing contact debris despinning technologies such as flexible brush [4,5], mechanical pulse [6], space manipulator technology or deceleration brush despinning technology relying on manipulators [7] require a relatively static situation between the service satellite and the target This requires extremely high accuracy in modeling and control and is prone to collision risks. Electromagnetic eddy current despinning is a method of despinning based on the electromagnetic eddy current damping effect It is a non-contact depinning method that uses the damping moment generated by the rotating conductor to cut the magnetic line of induction in an artificial magnetic field. The article introduces the technical details of the non-propellant eddy current brake and traction technology based on magnetic pulse, including basic theory (Section 2.1), device design (Section 2.2), analysis method (Section 2.3) And control strategy (Section 2.4). The effectiveness and superiority of the technology proposed in this paper are proved from three aspects of control strategy (Section 3.1), efficiency (Section 3.2) and traction control effect (Section 3.3)
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
