Results 71 to 80 of about 1,575 (217)

Multi-vessel target tracking with camera fusion for unmanned surface vehicles

International Journal of Naval Architecture and Ocean Engineering
With the decreasing availability of sailors, there has been an increasing focus on the development of autonomous ships. Among the various components of autonomous ships, automatic recognition systems that can replace human vision are a crucial area of ...
Jeong-Ho Park, Myung-Il Roh, Hye-Won Lee, Yeong-Min Jo, Jisang Ha, Nam-Sun Son   +5 more
doaj   +1 more source

Disturbance-Observer-Based Sliding Mode Control Design for Nonlinear Unmanned Surface Vessel With Uncertainties

IEEE Access, 2019
Unmanned surface vessel (USV) has been widely applied due to its advantages in the maritime security inspection and resources exploration. Good trajectory tracking performance is a critical issue in the control design of USV.
Zheng Chen, Yougong Zhang, Youming Zhang, Yong Nie, Jianzhong Tang, Shiqiang Zhu   +5 more
doaj   +1 more source

USV - Unmanned Surface Vessel

, 2016
Denne rapporten omhandler utvikling av et ubemannet overflatefartøy, som er gitt som en bacheloroppgave av NTNU i Ålesund. Formålet med oppgaven er utvikling av et konsept for et ubemannet overflatefartøy som danner basis for videre utvikling i senere prosjekter.
Liavaag, Sveinung, Kamsvåg, Vegard, Havnegjerde, Albert   +2 more
openaire   +1 more source

Microneedle‐Based Biofertilizer Delivery Improves Plant Growth Through Microbiome Engineering

Advanced Functional Materials, Volume 36, Issue 13, 12 February 2026.
This figure shows how microneedles are used to deliver biofertilizers to enhance plant growth through microbial migration, metabolic reprogramming, and changes in plant endogenous microbiome. Abstract This study presents a microneedle‐based system for the delivery of rhizospheric biofertilizers into plant tissues to enhance growth.
Zhicheng Le, Sevugan Mayalagu, Cheng‐Yen Chen, Raktim Bhattacharya, Abhishek Gupta, Jingyuan Li, Zhi Wei Norman Teo, Yufeng Shou, Arya Gopinath MP, Danni Zhong, Tedrick Thomas Salim Lew, Hao Yu, Naweed I. Naqvi, Sanjay Swarup, Andy Tay   +14 more
wiley   +1 more source

Unmanned Surface Vessel Cluster Path Planning Based on Deep Reinforcement Learning

水下无人系统学报
With the wide application of unmanned surface vessels(USVs) in the field of maritime search, the traditional path planning algorithms fail to meet the complex rescue scenarios, which can lead to local optimum, low task completion rate, and slow ...
Manjiang YU, Jiawei HE, Bowen XING
doaj   +1 more source

Marine survey unmanned surface vessel:platform design and application

Dianxin kexue, 2021
Marine survey unmanned surface vessel (USV) has a wide range of applications.However, the attitude of USV is easily affected by wind, waves, currents and floating debris, which may cause structural damage or low precision observation.Double hull and wide
Weiping WANG, Xi HE, Chao DONG, Bing ZHENG, Xue LI   +4 more
doaj   +2 more sources

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, Volume 2, Issue 1, February 2026.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Curvy Surface Reconstruction

Advanced Science, Volume 13, Issue 7, 3 February 2026.
This review introduces the concept of “general curvy surface reconstruction,” which incorporates both geometric and physical dimensions, representing an upgrade over conventional geometric reconstruction that focuses solely on spatial relationships. Particular emphasis is placed on the emerging opportunities enabled by advanced measurement techniques ...
Chen Shang, Haoyu Qi, Zhigang Wang, Keyu Meng, Zeye Liu, Zeng Meng, Yu Yang, Jianjun Wang, Shan Jiang   +8 more
wiley   +1 more source

Model Predictive Control Based on State Space and Risk Augmentation for Unmanned Surface Vessel Trajectory Tracking

, 2023
The underactuated unmanned surface vessel (USV) has been identified as a promising solution for future maritime transport. However, the challenges of precise trajectory tracking and obstacle avoidance remain unresolved for USVs.
Jun Zhang, Hanyun Zhou, Wei Li, Fang Wang   +3 more
core   +1 more source

Extreme Short-Term Prediction of Unmanned Surface Vessel Nonlinear Motion Under Waves

Journal of Marine Science and Engineering
Under complex hydrodynamic conditions, Unmanned Surface Vessel (USV) exhibits non-stationary and nonlinear dynamic behaviors. Extreme short-term prediction of such nonlinear motion is therefore critical for ensuring navigational safety.
Yiwen Wang, Jian Li, Shan Wang, Hantao Zhang, Long Yang, Weiguo Wu   +5 more
doaj   +1 more source