52   Artículos

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en línea
Guoqing Zhang, Shilin Yin, Chenfeng Huang and Weidong Zhang    
This paper focuses on the intervehicle security-based robust formation control of unmanned surface vehicles (USVs) to implement the formation switch mission. In the scheme, a novel adaptive potential ship (APS)-based guidance principle is developed to pr... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yuji Takubo and Masahiro Kanazaki    
Landing of supersonic transport (SST) suffers from a large uncertainty due to its highly sensitive aerodynamic properties in the subsonic domain, as well as the wind gusts around runways. At the vehicle design stage, a landing trajectory optimization und... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Hao Yuan and Dongxu Li    
This paper deals with the guidance problem of close approaching small celestial bodies while autonomously navigating with an optical camera. A combination of a deep reinforcement learning (DRL)-based guidance method and a ?Stop-and-Go? (SaG) strategy is ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jiqiang Li, Guoqing Zhang and Bo Li    
Around the cooperative path-following control for the underactuated surface vessel (USV) and the unmanned aerial vehicle (UAV), a logic virtual ship-logic virtual aircraft (LVS-LVA) guidance principle is developed to generate the reference heading signal... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Guoqing Zhang, Shang Liu, Bo Li and Xianku Zhang    
In this paper, a robust composite dynamic event-triggered formation control scheme is proposed for multiple underactuated surface vehicles (USVs) from two aspects, i.e., guidance and control. In the guidance module, a novel dual-layer line-of-sight (DLLO... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Lu Wang, Changkui Xu and Jianhua Cheng    
This paper proposes a finite-time output feedback methodology for the path-following task of marine surface vessels. First, a horizontal path-following model is established with unknown sideslip angle, unmeasured system state and system uncertainties. A ... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Farida Manseur, Nadir Farhi, Habib Haj-Salem, Jean-Patrick Lebacque     Pág. 645 - 654
We present an algorithm for optimal guidance of users in road networks. It is a "stochastic-on-time-arrival (SOTA)"-like algorithm which calculates optimal guidance strategies with reliable paths, for road network origin-destination pairs. Our contributi... ver más
Revista: Transportation Research Procedia    Formato: Electrónico

 
en línea
Rohan Samarajiva     Pág. 9 pgs.
There is considerable interest in assessing the impact of information and communication technologies (ICTs).  This Special Section presents four Systematic Reviews (SRs) that synthesize findings from the most robust studies of impacts from different... ver más
Revista: Information Technologies and International Development    Formato: Electrónico

 
en línea
Mingyu Fu and Qiusu Wang    
On account of the external disturbances and difficult maneuverability of a hovercraft, this paper devises a safety-guaranteed, robust, nonlinear, path-following control strategy of a hovercraft targeted for unknown dynamics, unavailable velocity, and unk... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Mathilde Merle, Florent Collot, Julien Castelneau, Pauline Migerditichan, Mehdi Juhoor, Buntheng Ly, Valery Ozenne, Bruno Quesson, Nejib Zemzemi, Yves Coudière, Pierre Jaïs, Hubert Cochet and Maxime Sermesant    
The tremendous advancement of cardiac imaging methods, the substantial progress in predictive modelling, along with the amount of new investigative multimodalities, challenge the current technologies in the cardiology field. Innovative, robust and multim... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Van Minh Nguyen, Emma Sandidge, Trupti Mahendrakar and Ryan T. White    
The accelerating deployment of spacecraft in orbit has generated interest in on-orbit servicing (OOS), inspection of spacecraft, and active debris removal (ADR). Such missions require precise rendezvous and proximity operations in the vicinity of non-coo... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Alice De Oliveira and Michèle Lavagna    
This paper introduces a Reusable Launch Vehicle (RLV) descent dynamics simulator coupled with closed-loop guidance and control (G&C) integration. The studied vehicle?s first-stage booster, evolving in the terrestrial atmosphere, is steered by a Thrus... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Yuxiang Zhang, Reamonn MacReamoinn, Philip Cardiff and Jennifer Keenahan    
Aerodynamic performance is of critical importance to the design of long-span bridges. Computational fluid dynamics (CFD) modelling offers bridge designers an opportunity to investigate aerodynamic performance for long-span bridges during the design phase... ver más
Revista: Infrastructures    Formato: Electrónico

 
en línea
Weixiang Zhou, Mengyan Ning, Jian Ren and Jiqiang Xu    
An effective path-following controller is a guarantee for stable sailing of underactuated unmanned surface vehicles (USVs). This paper proposes an event-triggered robust control approach considering an unknown model nonlinearity, external disturbance, an... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Zhiping He, Guofeng Wang, Yunsheng Fan and Shuanghu Qiao    
This paper studies the fast finite-time path following of underactuated unmanned surface vehicles (USV) with sideslip compensation, time-varying disturbances and input saturation. In the guidance module, the fast finite-time predictor-based line-of-sight... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yuxi Zhang and Yong Liu    
In this paper, the path following of an underactuated ship as a fundamental application for autonomous sailing in seaways is studied. First, the guidance system based on the line of sight (LOS) method is established to handle underactuated dynamics of sh... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Siyuan Du and Hao Wang    
State-of-the-art methods for metonymy resolution (MR) consider the sentential context by modeling the entire sentence. However, entity representation, or syntactic structure that are informative may be beneficial for identifying metonymy. Other approache... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
André Luiz Mendes Athayde,Claudio Vaz Torres,Stephanie Jeanne Thomason    
The objective of this research was to test statistically significant correlations between personal values and employee?s use of sources of guidance when dealing with different events at work, comparing the United States and Brazil. 220 employees from a B... ver más

 
en línea
Bin Li, Pan Tang, Haotian Xu and Duo Zheng    
The problem of the terminal impact angle control guidance law, considering the target observability for passive guidance with bearing-only measurement, is investigated in this paper. Modified line-of-sight (LOS) angle error dynamics and their closed-loop... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jia Song, Xindi Tong, Xiaowei Xu and Kai Zhao    
In this paper, a real-time reentry guidance law for hypersonic vehicles is presented to accomplish rapid, high-precision, robust, and reliable reentry flights by leveraging the Time to Vector (Time2vec) and transformer networks. First, referring to the t... ver más
Revista: Aerospace    Formato: Electrónico

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