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Record W948743146 · doi:10.1520/stp11537s

Networked Data Acquisition Systems for Strain Data Collection

2009· book-chapter· en· W948743146 on OpenAlexaff
G.F. McLean, Barbara L. Prescott, M Ellens

Bibliographic record

VenueASTM International eBooks · 2009
Typebook-chapter
Languageen
FieldComputer Science
TopicSensor Technology and Measurement Systems
Canadian institutionsUniversity of Victoria
Fundersnot available
KeywordsData acquisitionStrain gaugeInstrumentation (computer programming)Computer scienceSystem of measurementStateless protocolSIGNAL (programming language)Real-time computingComputer hardwareEmbedded systemEngineeringComputer networkElectrical engineeringOperating system

Abstract

fetched live from OpenAlex

Issues surrounding the implementation of fast, effective, and accurate strain measurement systems continue to make strain measurement a difficult instrumentation problem. Difficulties in constructing effective systems forstrain measurement are particularly felt in fatigue testing, large-scale testing, or in the testing of mobile vehicles. A brief analysis of the difficulties encountered in these applications provides a motivation for the design of new system architectures for strain measurement based on a paradigm of networks and information processing. The design of a networked data acquisition system for strain measurement is described. The system involves a dedicated data acquisition system installed at each gage or rosette that performs bridge excitation and completion, regular sampling, and monitors trend information. A digital communications network is used to allow each gage to be configured as a client in a stateless client-server network application. Together, the components form a new architecture for strain data acquisition based on a network of intelligent devices that can be controlled by any general purpose computer. The proposed system architecture addresses many of the problems associated with conventional strain measurements by minimizing its reliance on analog signal manipulation. The paper discusses the design of a prototype system designed in this manner and discusses the performance that can be achieved using this approach.

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)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.040
Threshold uncertainty score0.133

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0020.003
Science and technology studies0.0010.000
Scholarly communication0.0020.002
Open science0.0020.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0400.024

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 head0.107
GPT teacher head0.294
Teacher spread0.186 · 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 designNot applicable
Domainnot available
GenreMethods

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
Published2009
Admission routes1
Has abstractyes

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