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Record W2069473225 · doi:10.2514/6.2006-3482

New Technique for a Helicopter Flight Model Estimation Based on Flight Test Data

2006· article· en· W2069473225 on OpenAlexaff
Adrian Hiliuta, Ruxandra Mihaela Botez

Bibliographic record

Venue24th AIAA Applied Aerodynamics Conference · 2006
Typearticle
Languageen
FieldEngineering
TopicControl Systems and Identification
Canadian institutionsÉcole de Technologie Supérieure
Fundersnot available
KeywordsFlight testComputer scienceFlight simulatorTest (biology)AeronauticsData modelingFlight management systemAerospace engineeringSimulationEngineeringDatabase

Abstract

fetched live from OpenAlex

In this paper, a new technique for a helicopter model estimation based o n flight test data is presented. The state space helicopter models, for each flight condition, are presented. The method is automatic and is applied when one knows the motion parameters types x, y and u of a real helicopter and in the absence of any seed m atrices. The method is highly convergent, and very good results are obtained for all flight cases. In the introductory part, a bibliographic research is carried on, and the necessary data collection is presented. In the next step, the preliminary estimatio n of seed matrices, for state -space representation is performed using a non -linear model and small perturbation theory. The last paragraph deals with the seed optimization with respect to different flight conditions. In the end, the conclusion on possibili ties to further develop and use the presented methodology is investigated.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.002
Threshold uncertainty score0.006

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.002
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.001

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.

Opus teacher head0.015
GPT teacher head0.218
Teacher spread0.203 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2006
Admission routes1
Has abstractyes

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