Compensation of a piezoceramic actuator hysteresis nonlinearities using the stop operator-based Prandtl-Ishlinskii model
Bibliographic record
Abstract
In this study, the complementary property of the stop operator-based Prandtl-Ishlinskii model (SPI) in relation to the play operator-based Prandtl-Ishlinskii model (PPI) is explored in order to suppress the hysteresis nonlinearity of a piezoceramic micro-positioning actuator. The SPI compensator is constructed on the basis of the play operator-based Prandtl-Ishlinskii model (PPI) used to characterize the hysteresis of the actuator. The simulation results are obtained to illustrate the complementary properties of the SPI and PPI models in terms of the shape and direction of their hysteresis loops. The implementation of the SPI model as a feedforward compensator in conjunction with the PPI model resulted in effective suppression of the major as well as minor loops hysteresis, particularly when the SPI model was identified on the basis of known hysteresis nonlinearity. Laboratory experiments performed with a piezoceramic micro-positioning stage using hardware-in-the-loop test method together with the proposed SPI model compensator also confirmed effective suppression of the major as well as minor loops hysteresis.
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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 | 0.000 |
| 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 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".