Generation and load balance using linear quadratic Gaussian control
Bibliographic record
Abstract
The state-space model-based control design for a two-area interconnected AC electric power system using the linear quadratic Gaussian (LQG) controller is realized in this paper. In industry, the classical integer-order proportional-integral (PI) and proportional-integral-derivative (PID) controllers have been broadly adopted for automatic generation control (AGC). The conventional PI and PID controllers leverage area control error (ACE) measurements to eliminate steady-state errors in frequency and tie-line interchange active-power flow. This paper presents a comparison amongst the dynamic response of the conventional PI controller and observer-based servo controllers designed using pole placement as well as LQG techniques. The overarching goal of this work is to improve the dynamic response of AGC systems through an optimal control method, namely, LQG. This paper investigates AGC systems for interconnected power systems and shows that LQG controllers perform better than both the classical PI controller as well as the observer-based one designed using pole placement.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".