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Record W2068841166 · doi:10.4271/2012-01-0651

Fuel Consumption Simulation Model for Transit Buses Based on Real Operating Condition to Assist Bus Electrification

2012· article· en· W2068841166 on OpenAlexafffundabout
Caixia Yang, Eric Bibeau, G Paul Zanetel

Bibliographic record

VenueSAE technical papers on CD-ROM/SAE technical paper series · 2012
Typearticle
Languageen
FieldEngineering
TopicVehicle emissions and performance
Canadian institutionsUniversity of Manitoba
FundersManitoba Hydro
KeywordsElectrificationAutomotive engineeringComputer scienceTransit (satellite)Embedded systemPublic transportElectricitySimulationEngineeringElectrical engineeringTransport engineering

Abstract

fetched live from OpenAlex

<div class="section abstract"><div class="htmlview paragraph">Public transit bus fuel consumption is a function of the duty cycle, power demand when driving and idling, and the efficiency of the bus. Accurate evaluation of fuel consumption is best assessed by comparative testing over relevant drive cycles. Generally, in transit service, a bus serves along predetermined route and bus stops. To increase the accuracy of fuel consumption estimation to simulate buses electrification scenarios, a fuel consumption simulation model for transit buses is carried out based on the analysis of a large number of transit bus journeys composed of 82 buses tested along 124 testing routes. The bus fuel consumption simulation is executed using Matlab. The estimation fuel consumptions for representative service routes with different passenger loads and bus model year are obtained. The simulation results on transit bus fuel consumption are compared with values available from testing reports and fuel consumption estimated by Winnipeg Transit. The comparison shows that the proposed fuel consumption model is more accurate and can predict fuel consumption more reliability for transit buses. The large database gathered and fuel consumption simulation data can then be used next to investigate various electric bus powertrains and charging scenarios.</div></div>

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.977
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0010.001
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 head0.027
GPT teacher head0.284
Teacher spread0.257 · 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.

Study designObservational
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
Published2012
Admission routes3
Has abstractyes

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