Now showing items 1-10 of 10

    • Adaptive estimation of time-varying parameters with application to roto-magnet plant 

      Na, Jing; Xing, Yashan; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-10)
      Article
      Open Access
      This paper presents an alternative adaptive parameter estimation framework for nonlinear systems with time-varying parameters. Unlike existing techniques that rely on the polynomial approximation of time-varying parameters, ...
    • Adaptive online parameter estimation algorithm of PEM fuel cells 

      Xing, Yashan; Jing, Na; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Open Access
      Since most of fuel cell models are generally nonlinearly parameterized functions, existing modeling techniques rely on the optimization approaches and impose heavy computational costs. In this paper, an adaptive online ...
    • Adaptive parameter estimation-based observer design for nonlinear systems 

      Xing, Yashan; Jing, Na; Costa Castelló, Ramon; Gao, Guanbin (2020)
      Conference report
      Open Access
      In this paper, alternative adaptive observers are developed for nonlinear systems to achieve state observation and parameter estimation of nonlinear systems simultaneously. The proposed observers are derived from the ...
    • Composite PID control with unknown dynamics estimator for rotomagnet plant 

      Xing, Yashan; Na, Jing; Costa Castelló, Ramon (2018-01-01)
      Article
      Open Access
      Although PID con trol has b een widely used in practical engineering, its abilit y to reject external disturbance and to handle severe nonlinearities should b e further enhanced. In this pap er, we presen t a simple robust ...
    • Composite PID control with unknown dynamics estimator for rotomagnet plant 

      Xing, Yashan; Na, Jing; Costa Castelló, Ramon (2018)
      Conference report
      Open Access
      Although PID control has been widely used in practical engineering, its ability to reject external disturbance and to handle severe nonlinearities should be further enhanced. In this paper, we present a simple robust unknown ...
    • Control-oriented modelling and analysis of a solid oxide fuel cell system 

      Xing, Yashan; Costa Castelló, Ramon; Na, JIng; Renaudineau, Hugues Jean-Marie (2020)
      Article
      Restricted access - publisher's policy
      In this paper, a control-oriented model of a solid oxide fuel cell system is formulated and analyzed in detail. First, a lumped model based on first principle laws is formulated and tuned using experimental data coming ...
    • Parameter estimation algorithm of H-100 PEM fuel cell 

      Xing, Yashan; Costa Castelló, Ramon; Jing, Na (2019)
      Conference report
      Open Access
      Polymer electrolyte membrane fuel cells (PEMFCs) have been recognized as one of the most promising eneygy conversion devices for commercial application due to their specific advantages, such as low operation temperature, ...
    • Real-time adaptive parameter estimation for a polymer electrolyte membrane fuel cell 

      Xing, Yashan; Na, Jing; Costa Castelló, Ramon (2019-11-01)
      Article
      Open Access
      In this paper, we propose real-time adaptive parameter estimation methods for a polymer electrolyte membrane fuel cell (PEMFC) to facilitate the modeling and the subsequent control synthesis. Specifically, the electrochemical ...
    • Stability analysis of solid oxide fuel cell systems 

      Xing, Yashan; Costa Castelló, Ramon; Jing, Na (2019)
      Conference report
      Open Access
      Solid oxide fuel cells (SOFC), with entirely solid structure and high operating temperatures, have attracted research interest in recent years. Unlike other types of fuel cells, low electrode corrosion and low electrolyte ...
    • Temperaturecontrol for a proton-exchange membrane fuel cell system with unknown dynamic compensations 

      Xing, Yashan; Costa Castelló, Ramon; Na, JIng (Wiley-Blackwell, 2020-10-23)
      Article
      Open Access
      Numerous control strategies of temperature regulation have been carried out for proton-exchange membrane fuel cell systems including a cooling fan in order to ensure operation at the desired condition and extend the lifetime ...