Design of a novel deployable mechanism for capturing tumbling debris
Bibliographic record
Abstract
Large quantities of man-made debris from decades of space exploration threaten the safety of future space activities. It is therefore urgent to perform active debris removal missions to maintain access to usable orbital space. This paper proposes a novel deployable end-effector and detumbling mechanism to capture tumbling debris. Three mechatronic subsystems for capture, transmission, and actuation are highly integrated in the end-effector, allowing compact storage during space transport. Grippers composed of constant-torque hinges endow the mechanism with a deployable function and ensure a steady envelope by means of caging, without the need for precise tracking and complex control. With only one actuator, simultaneous motion of the six grippers is implemented by arranging gears in a unique manner. The grippers are optimally designed to enlarge their envelope while reducing weight. A contact detumbling mechanism, composed of three dampers along three axes, is also provided based on revolute friction to slow tumbling debris with residual angular momentum. Two slip rings are ingeniously embedded in each damper to transmit electricity under conditions of signal interference and cable interwinding. Simulations of capturing and detumbling demonstrate the feasibility and effectiveness of the proposed mechanism.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".