Risk-Sensitive Autonomous Exploration of Unknown Environments: A Deep Reinforcement Learning Perspective
Bibliographic record
Abstract
This study provides a thorough investigation into autonomous exploration within unknown environments, with a focus on minimizing exploration time and so fuel consumption. This research utilizes a 2D simulation environment to collect training data efficiently, facilitating the evaluation of the proposed methods’ efficiency, adaptability, and generalizability through various experiments. Single-robot autonomous exploration policies using advanced Deep Reinforcement Learning (DRL) algorithms are developed. The main novelty of this paper is the development of risk-sensitive policies, in contrast to traditional risk-neutral approaches in DRL, to enhance exploration efficiency. Additionally, this research presents the development of an adaptive autonomous exploration policy that dynamically adjusts the Conditional Value-at-Risk (CVaR) based on the exploration percentage. The results demonstrate a significant improvement in autonomous exploration efficiency compared to well-known traditional RL and classical single-robot exploration policies, validating the effectiveness of the suggested novel autonomous exploration strategies.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".