Browsing by Author "Tsourdos, Antonios"

Browsing by Author "Tsourdos, Antonios"

Sort by: Order: Results:

  • Asymmetric bipartite consensus of nonlinear agents with communication noise 
    Mondal, Sabyasachi; Tsourdos, Antonios (Springer, 2023-08-24)
    In this paper, the asymmetric bipartite consensus problem of a nonlinear multi-agent system is solved using Distributed Nonlinear Dynamic Inversion (DNDI) based controller. The application of DNDI is new in the context of ...
  • Attitude control analysis of tethered de-orbiting 
    Peters, T. V.; Briz Valero, José Francisco; Escorial Olmos, Diego; Lappas, V.; Jakowski, P.; Gray, Iain; Tsourdos, Antonios; Schaub, H.; Biesbroek, R. (2018-03-12)
    The increase of satellites and rocket upper stages in low earth orbit (LEO) has also increased substantially the danger of collisions in space. Studies have shown that the problem will continue to grow unless a number of ...
  • Attitude determination from single camera vector observations 
    Tsourdos, Antonios; Zadovski, V.; Silson, P. (2010-09-17)
    Attitude determination is of major importance in Guidance and Control Systems of the Unmanned Aerial Vehicles (lIAVαs). Supplying wrong or imprecise attitude can very often be catastrophic for the UAVαs. Vision sensors are ...
  • Attitude tracking control for reentry vehicles using centralised robust model predictive control 
    Chai, Runqi; Tsourdos, Antonios; Gao, Huijun; Chai, Senchun; Xia, Yuanqing (Elsevier, 2022-09-02)
    In this work, a centralised robust model predictive control (CRMPC) algorithm is proposed for reentry vehicles to track reference attitude trajectories subject to state/input constraints and uncertainties. In contrast to ...
  • Autonomous addition of agents to an existing group using genetic algorithm 
    Mondal, Sabyasachi; Tsourdos, Antonios (MDPI, 2020-12-05)
    This paper presents an idea of how new agents can be added autonomously to a group of existing agents without changing the existing communication topology among them. Autonomous agent addition to existing Multi-Agent Systems ...
  • Autonomous Architecture for UAV-based Agricultural Survey 
    Mondal, Sabyasachi; Williamson, Alex; Xu, Zhengjia; Tsourdos, Antonios (AIAA, 2020-01-05)
    This paper presents the concept of autonomous architecture for UAVs to minimize human involvement for agricultural surveying. Agricultural surveying applications include monitoring crop health and collecting ground truth ...
  • Autonomous collection of ground truth data by unmanned aerial vehicles instructed using SMS text messages 
    Williamson, Alex; Mondal, Sabyasachi; Xu, Zhengjia; Tsourdos, Antonios (IEEE, 2020-02-17)
    This paper describes a solution to increase the efficiency of collecting agricultural ground truth data by the use of one or more off-the-shelf drones to autonomously collect high quality RGB image data at low level, through ...
  • Autonomous Collision avoidance for Unmanned aerial systems 
    Melega, Marco (Cranfield University, 2014)
    Unmanned Aerial System (UAS) applications are growing day by day and this will lead Unmanned Aerial Vehicle (UAV) in the close future to share the same airspace of manned aircraft.This implies the need for UAS to define ...
  • Autonomous detect and avoid algorithm respecting airborne right of way rules 
    Mukherjee, Anurag; Mondal, Sabyasachi; Tsourdos, Antonios (AIAA, 2024-01-04)
    Robust conflict resolution systems are crucial for BVLOS (beyond visual line of sight) operations of UAVs (Unmanned Aerial Vehicles) in the unsegregated airspace. The present conflict resolution research focus is skewed ...
  • An autonomous system for maintenance scheduling data-rich complex infrastructure: Fusing the railways' condition, planning and cost 
    Durazo-Cardenas, Isidro; Starr, Andrew; Turner, Christopher J.; Tiwari, Ashutosh; Kirkwood, Leigh; Bevilacqua, Maurizio; Tsourdos, Antonios; Shehab, Essam; Baguley, Paul; Xu, Yuchun (Elsevier, 2018-02-22)
    National railways are typically large and complex systems. Their network infrastructure usually includes extended track sections, bridges, stations and other supporting assets. In recent years, railways have also become a ...
  • Autonomous systems imaging of aerospace structures 
    Deane, Shakeb; Avdelidis, Nicolas Peter; Ibarra-Castanedo, Clemente; Zhang, Hai; Yazdani Nezhad, Hamed; Williamson, Alex A.; Maldague, Xavier P. V.; Tsourdos, Antonios (Unknown, 2018-12-31)
    Aircraft manufacturers are constantly improving their aircraft ensuring they are more cost-efficient to do this the weight of the aircraft needs to be reduced, which results in less fuel required to power the aircraft. ...
  • Autonomous systems thermographic NDT of composite structures 
    Deane, Shakeb; Avdelidis, Nicolas Peter; Yazdani Nezhad, Hamed; Williamson, A.; Zhang, H.; Tzitzilonis, Vasileios; Maldague, Xavier P. V.; Tsourdos, Antonios (SPIE, 2019-05-02)
    Transient thermography is a method used successfully in the evaluation of composite materials and aerospace structures. It has the capacity to deliver both qualitative and quantitative results about hidden defects or ...
  • Autonomous unmanned heterogeneous vehicles for persistent monitoring 
    Lappas, Vaios; Shin, Hyo-Sang; Tsourdos, Antonios; Lindgren, David; Bertrand, Sylvain; Marzat, Julien; Piet-Lahanier, Hélène; Daramouskas, Yiannis; Kostopoulos, Vassilis (MDPI, 2022-04-10)
    Swarms of unmanned vehicles (air and ground) can increase the efficiency and effectiveness of military and law enforcement operations by enhancing situational awareness and allowing the persistent monitoring of multiple ...
  • Bayesian calibration for multiple source regression model 
    Ignatyev, Dmitry I.; Shin, Hyo-Sang; Tsourdos, Antonios (Elsevier, 2018-08-20)
    In large variety of practical applications, using information from different sources or different kind of data is a reasonable demand. The problem of studying multiple source data can be represented as a multi-task learning ...
  • Behavior monitoring using learning techniques and regular-expressions-based pattern matching 
    Shin, Hyo-Sang; Turchi, Dario; He, Shaoming; Tsourdos, Antonios (IEEE, 2018-08-02)
    This paper addresses the problem of maneuver recognition and behavior anomaly detection for generic targets by means of pattern matching techniques. The problem analysis is performed making specific reference to moving ...
  • Behaviour monitoring: investigation of local and distributed approaches 
    Turchi, Dario (2017)
    Nowadays, the widespread availability of cheap and efficient unmanned systems (either aerial, ground or surface) has led to significant opportunities in the field of remote sensing and automated monitoring. On the one hand, ...
  • Bipartite consensus of nonlinear agents in the presence of communication noise 
    Mondal, Sabyasachi; Tsourdos, Antonios (MDPI, 2022-03-18)
    In this paper, a Distributed Nonlinear Dynamic Inversion (DNDI)-based consensus protocol is designed to achieve the bipartite consensus of nonlinear agents over a signed graph. DNDI inherits the advantage of nonlinear ...
  • Capturability of 3D PPN against lower-speed maneuvring target for homing phase 
    Li, Ke-Bo; Shin, Hyo-Sang; Tsourdos, Antonios; Tahk, Min-Jea (IEEE, 2019-08-30)
    The capturability of two-dimensional (2D) pure proportional navigation (PPN) guidance law against lower-speed arbitrarily maneuvering target for homing phase had been thoroughly analyzed by using the nonlinear output ...
  • Capturability of 3D RTPN guidance law against true-arbitrarily maneuvering target with maneuverability limitation 
    Li, Ke-Bo; Bai, Zhihui; Shin, Hyo-Sang; Tsourdos, Antonios; Tahk, Min-Jea (Elsevier, 2022-05-31)
    The capturability of the Three-Dimensional (3D) Realistic True Proportional Navigation (RTPN) guidance law is thoroughly analyzed. The true-arbitrarily maneuvering target is considered, which maneuvers along an arbitrary ...
  • Closed-loop analysis with incremental backstepping controller considering measurement bias 
    Jeon, Byoung-Ju; Seo, Min-Guk; Shin, Hyo-Sang; Tsourdos, Antonios (Elsevier, 2019-11-25)
    In this paper, closed loop system characteristics with an incremental backstepping controller are investigated through theoretical analysis when both measurement biases and model uncertainties exist. Incremental backstepping ...