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Record W4230948828 · doi:10.22215/etd/2020-14148

Urban and Indoor Vehicular Navigation using IMU, GNSS, LiDAR, and Radar

2020· dissertation· en· W4230948828 on OpenAlexaff
Alan Zhang

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldEngineering
TopicRobotics and Sensor-Based Localization
Canadian institutionsCarleton University
Fundersnot available
KeywordsGNSS applicationsInertial measurement unitRangingParticle filterLidarExtended Kalman filterComputer scienceSimultaneous localization and mappingRadarRemote sensingOdometryKalman filterSensor fusionInertial navigation systemGeographyComputer visionGlobal Positioning SystemArtificial intelligenceInertial frame of referenceMobile robotTelecommunications

Abstract

fetched live from OpenAlex

Vehicles must be able to localize themselves in all environments (unmapped and mapped) including urban and indoor areas where Global Navigation Satellite Systems (GNSS) performance may degrade.The research and development in this thesis cover three major localization techniques that use an assortment of sensors to achieve this.In urban environments, an Inertial Measurement Unit (IMU) and GNSS fusion using the Extended Kalman Filter (EKF) is developed.For indoor environments, Light Detection and Ranging (LiDAR) Simultaneous Localization and Mapping (SLAM) and Radio Detection and Ranging (radar) SLAM systems are devised.Novel techniques are developed to tune EKF parameters using a Genetic Algorithm (GA) approach and to apply radar in a Rao-Blackwellized particle filter.The thesis presents in-depth explanations of experimental approaches as well as results that demonstrate a variety of localization systems performing high accuracy estimations in several experiments.

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)0.000
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: Methods · Consensus signal: Methods
Teacher disagreement score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.002

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 head0.009
GPT teacher head0.212
Teacher spread0.204 · 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
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
Published2020
Admission routes1
Has abstractyes

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