Repetitive Control for Linear Servo System Based on Zero Phase Error Tracking
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Bibliographic record
Abstract
Permanent-magnet linear synchronous motor(PMLSM) servo system which has tracked periodic input signal ,and the periodic thrust ripple caused by ending effect and friction has reduced tracking precision of the servo system. At the same time ,the response delay of PMLSM has caused the phase error between input and output , which has influence on tracking performance of the system. To achieve the goal of zero phase error tacking,the controller was designed, which consists of PDFF(Pseudo derivative feed back with feed-forward) controller on the velocity loop and zero phase error tracking repetitive controller(ZPETRC) on the position loop.ZPETRC associated repetitive control(RC) with zero phase error tracking control(ZPETC) . RC can restrain the periodic tracking error ,and ZPETCcan reduce the phase error . Theoretical analysis and simulation results show that the proposed scheme can efficaciously restrainthe periodic tracking error of PMLSM servo system,and compensate for the phase error caused by time delay ,thus make the system have good position-tracking performance for the periodically input signal .
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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 | 0.000 |
| 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 it