Robust Nonlinear Controller Design for On-Grid/Off-Grid Wind Energy Battery-Storage System
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Bibliographic record
Abstract
This paper investigates the design of a unified robust nonlinear multi-input-multi-output controller for a wind energy battery-storage system. The system can be operated either in grid-connected mode or stand-alone mode. Feedback linearization control design method is used to find the controller equations. The main advantage of the proposed control strategy over the existing methods is that only a single controller is used to control the system regardless the mode of operation. With the new approach, the controller is designed so that the grid contribution is significantly reduced and the battery can provide a backup energy or store the surplus wind energy efficiently. In addition, the dc-link voltage and load power are regulated by adjusting the charging and discharging cycle of the battery through a bi-directional buck-boost dc/dc converter in contrast to existing methods where the dc-link is regulated by the grid-side converter. The robustness of the proposed controller is evaluated in simulation with various types of loads, including unbalanced load and dynamic load. The results show that a good performance in closed loop is achieved.
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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 | 0.001 | 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