Results 71 to 80 of about 21,004,982 (282)

Real-time Collision Avoidance Considering Ship Position Uncertainty Based on AIS Data

open access: yes한국해양공학회지
Autonomous ships require reliable situational awareness to ensure safe navigation, particularly during collision avoidance in congested maritime environments.
Won-Jun Yoo   +2 more
doaj   +1 more source

A Reliable Surveillance Strategy for Autonomous Rail Collision Avoidance Systems [PDF]

open access: yes, 2008
In this paper we present a detailed surveillance strategy concept for a Rail Collision Avoidance System (RCAS) that is based on direct train-to-train communication.
Lehner, Andreas   +2 more
core  

Task‐Oriented Path Planning Towards Autonomous Sensor Network Deployment in Rainforest Canopies

open access: yesAdvanced Robotics Research, EarlyView.
An informative path planner for drone‐based deployment of wireless sensor networks in rainforest canopies is presented, addressing key challenges in large‐scale biodiversity monitoring. By integrating canopy surface detection with connectivity‐aware sampling under strict flight constraints, the approach enables efficient and reliable aerial sensor ...
Rita Santos Raminhos, Salua Hamaza
wiley   +1 more source

Environment-adaptive automatic ship collision avoidance system

open access: yesMaritime Technology and Research
Maritime collision accidents remain a critical safety concern despite advances in electronic navigation technology, particularly under adverse weather conditions where reduced visibility and heavy seas substantially degrade a vessel's maneuvering capability. Existing automatic collision avoidance systems typically rely on static ship hazard domains and
Gia Huy Dinh   +5 more
openaire   +1 more source

Adaptive collision-avoidance timing recognition for autonomous ship encounters using multi-evidence Bayesian backward evidence detection

open access: yesFrontiers in Marine Science
Avoidance timing is a critical interface between collision-risk assessment and collision-avoidance planning for maritime autonomous surface ships (MASSs).
Ke Zhang   +5 more
doaj   +1 more source

Design and implementation of auto car driving system with collision avoidance

open access: yesCogent Engineering, 2018
This paper presents designing and manufacturing the hardware and software of a low-cost robotic system, which can be installed into any petrol car with an automatic gearbox, giving the ability to a car to be driverless.
Abdulkader Joukhadar   +2 more
doaj   +1 more source

DRIVE‐SAFE: Data‐Driven Robustness and Informed Validation for Evolving Specifications via Formal Evaluation

open access: yesAdvanced Robotics Research, EarlyView.
DRIVE‐SAFE evaluates learning‐based, black‐box autonomous driving policies against evolving temporal safety requirements using Signal Temporal Logic robustness metrics. It aggregates distributional robustness measures with domain‐informed weights to guide iterative retraining.
Kristy Sakano   +3 more
wiley   +1 more source

Ship collision avoidance decision-making research in coastal waters considering uncertainty of target ships

open access: yesBrodogradnja
Ship collision avoidance has always been a concern and it is crucial for achieving safe navigation of ships at sea. There are many studies on ship collision avoidance in open water, but less attention on coastal waters considering the uncertainty of ...
Jianjie Gao, Yuquan Zhang
doaj   +1 more source

Intelligent Sky Guardians (InSkyGuard): An Aerial Robotic Swarm for Autonomous Detection and Entrapment of Rogue Multirotors

open access: yesAdvanced Robotics Research, EarlyView.
Intelligent Sky Guardians (InSkyGuard) is introduced as a four‐drone swarm that autonomously detects, tracks, and safely captures rogue drones using a coordinated net system. Computer vision and leader–follower control architecture enable synchronized enclosure, while integrated failsafes enhance system reliability. Validated through closed‐environment
Joshua Hastings   +6 more
wiley   +1 more source

Design of Automated Bascule Bridge and Collision Avoidance with Water Traffic

open access: yesTransport and Telecommunication
The development of movable bridges is a modern technological advancement that requires the integration of multi-disciplinary concepts such as control, automation, and design.
Komol Md Mostafizur Rahman   +4 more
doaj   +1 more source

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