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Record W2326924431 · doi:10.2514/6.2009-5283

Optimization of the PPS®x000-Technological Demonstrator for High ISP Operation

2009· article· en· W2326924431 on OpenAlexaff
Vanessa Vial, Olivier Duchemin

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicPlasma Diagnostics and Applications
Canadian institutionsSafran Electronics (Canada)
FundersSafranCentre National d’Etudes Spatiales
KeywordsSpecific impulsePropellantComputer scienceMode (computer interface)Geostationary orbitPropulsionCommunications satelliteAvionicsAerospace engineeringSatelliteEmbedded systemEngineeringOperating system

Abstract

fetched live from OpenAlex

Hall thrusters, widely investigated since the 60’s, have proven high reliability as propulsive system on board geostationary satellites. Numerous characterization studies have demonstrated their aptitude to operate efficiently on a wide operating domain covering the so-called High Thrust mode as well as High Specific Impulse mode. Specific impulse (Isp) is a significant parameter for choosing a propulsive system since it illustrates a low propellant consumption. Given that satellite station keeping is required during all the satellite lifetime optimization of High Isp mode is of interest for mass saving concerns. This paper aims at identifying the most critical parameters linked to that operating mode and at listing the design modifications to be implemented on the technological demonstrator of the PPS®5000 in terms of materials, architecture and magnetic configuration for an optimized High Isp operating mode.

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 distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.724
Threshold uncertainty score0.120

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.006
GPT teacher head0.193
Teacher spread0.187 · 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 teacher head, 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

Citations2
Published2009
Admission routes1
Has abstractyes

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