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Distributed Collector System: Modelling, Control and Optimal Performance
2015
The Renewable Energies and Power Quality Journal (RE&PQJ)
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Specific focus is given to the benefits of model-based predictive control in a distributed solar collector field of a parabolic trough plant. ...
This paper gives an overview of the main concentrated solar thermal power technologies with an emphasis on the modelling and control of conventional parabolic trough technology. ...
A recent application of a nonlinear MPC is presented in [43] . A distributed parameter model is used for the simulated process and a lumped parameter model with time delay is used for prediction. ...
doi:10.24084/repqj13.205
fatcat:rkhpufe5ird7dfwuya5dkbtdtm
Gain Scheduling Dual Mode MPC for a Solar Thermal Power Plant
2016
IFAC-PapersOnLine
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Nonlinear Distributed Parameter Model The distributed solar collector field of the ACUREX plant consists of 480 single axis parabolic trough collectors which are arranged in 10 parallel loops each of length ...
The control strategy is shown to perform very well for both tracking and disturbance rejection and indeed superior to a single local controller. ...
doi:10.1016/j.ifacol.2016.10.151
fatcat:axgfw6emazeu7n6llapb7grbay
APPLICATION of a SMITH PREDICTOR based NONLINEAR PREDICTIVE CONTROLLER to a SOLAR POWER PLANT
2007
IFAC Proceedings Volumes
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This work presents the study and application of a nonlinear control strategy, where a Smith Predictor is added to the Nonlinear Extended Prediction Self-Adaptive Control (NEPSAC), for the control of a ...
To take profit of these energies in an optimal and sustained way, research of new control strategies becomes imperative. ...
ACKNOWLEDGEMENTS This work was supported by a grant of the ALFA (Latin America Academic Training) Program "Process and Systems Engineering" of the European Union with reference II-0385-FA. ...
doi:10.3182/20070822-3-za-2920.00068
fatcat:hj34iafp6bakxdlbdibsb224k4
Incremental State-Space Model Predictive Control of a Fresnel Solar Collector Field
2018
Energies
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Model predictive control has been demonstrated to be one of the most efficient control techniques for solar power systems. ...
The proposed strategy is tested on a nonlinear distributed parameter model of the Fresnel collector field. ...
Mathematical Modeling of the Fresnel Collector Field A mathematical model of the Fresnel collector field has been developed using similar equations to those obtained for parabolic-trough fields [12] ...
doi:10.3390/en12010003
fatcat:dpevvzr6dfhfxcvg6cnojadniq
Towards an improved gain scheduling predictive control strategy for a solar thermal power plant
2017
IET Control Theory & Applications
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This paper improves a recently proposed gain scheduling predictive control strategy on the ACUREX distributed solar collector field at the Plataforma Solar de Almería. ...
The nonlinear simulation model is validated against measured data obtained from the ACUREX plant and the effectiveness of the proposed control approach is evaluated in the same nonlinear simulation environment ...
Acknowledgements The authors would like to thank Robin De Keyser and Clara Ionescu from Ghent University, Belgium for their cooperation and providing us with measured data to validate the proposed nonlinear ...
doi:10.1049/iet-cta.2016.1319
fatcat:wwe27oab2vbfbh5mmjdnrra224
Flexible Operation of Concentrating Solar Power Plant with Thermal Energy Storage Based on a Coordinated Control Strategy
2022
Energies
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With this goal, the dynamic characteristics of a 50 MW parabolic trough collector CSP plant with molten-salt-based TES is analyzed, and its dominant control characteristics are concluded to demonstrate ...
Specifically, a disturbance observer-based feedforward–feedback control scheme and a feedforward–feedback controller are designed, respectively, for the solar field and the energy storage subsystems, while ...
An optimal model predictive control with lump disturbance to maintain the outlet temperature has been proposed [18] . ...
doi:10.3390/en15134929
fatcat:kq6q2rmyqve25glp7wqxdd75ae
Transient Analysis and Execution-Level Power Tracking Control of the Concentrating Solar Thermal Power Plant
2019
Energies
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Then, based on the step-response data, the transfer functions of the CSP plant are identified, which form the prediction model of the model predictive controller. ...
of the power tracking speed and the main steam parameters, and (2) advanced model predictive control (MPC), which overcomes the shortcoming of PI (Proportional-Integral) control and can significantly ...
Gallego and Camacho proposed a state-space model predictive control to reject external disturbance on the HTF temperature [11] . ...
doi:10.3390/en12081564
fatcat:a3yerhmtdje33knmdq3a5xqheq
Nonlinear Fuzzy Model Predictive Control of the TCP-100 Parabolic Trough Plant
2021
Joint Proceedings of the 19th World Congress of the International Fuzzy Systems Association (IFSA), the 12th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT), and the 11th International Summer School on Aggregation Operators (AGOP)
unpublished
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In particular, linear model predictive control strategies have been applied successfully when controlling solar trough plants. ...
The control strategy uses a fuzzy model of the plant for predicting the future evolution of the outlet temperature. ...
Atlantis Studies in Uncertainty Modelling, volume 3 ...
doi:10.2991/asum.k.210827.032
fatcat:rophwcs2hzfxdlv4qym7lxagu4
Conceptual design and multidisciplinary optimization of in-plane morphing wing structures
2006
Smart Structures and Materials 2006: Modeling, Signal Processing, and Control
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Compared with an equivalent single layer theory, the prediction is more accurate for all degrees of freedom especially for thick plates. ...
Based on the higher order spectrum analysis results, we can represent the damping force model as higher order function with 3rd-order nonlinear term. ...
Weighting functions are then created to specify the desired frequency range for disturbance rejection and controller bandwidth. ...
doi:10.1117/12.658686
fatcat:rqnvt2atkjgnvpog5pivwjejzm
Alternative Power Systems and Devices
[chapter]
2017
Systems, Controls, Embedded Systems, Energy, and Machines
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Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. ...
Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their ...
A PID controller can be designed to provide better steady-state disturbance rejection capabilities compared with PD or P controllers. ...
doi:10.1201/9781420037043-7
fatcat:px3rpk2xgvhtbjwr7s3h3k6ute
Control of Solar Thermal Linear Fresnel Collector Plants in Single Phase and Direct Steam Generation Modes
2019
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In 1996, Meaburn and Hughes [47] presented a predictive controller for the control of large scale parabolic trough collectors. ...
[29] presented a nonlinear dynamic model for a parabolic trough DSG plant operating in the recirculation mode. ...
Including a heat transfer model in the control system can help in preventing overheating incidents. • Modeling pressure drop variation across the collector field depending on flow pattern. ...
doi:10.5445/ir/1000089861
fatcat:mdtfk7tbr5aljlpevljjcxrjl4
Dynamic Model and Adaptive Control of a Transcritical Organic Rankine Cycle
[article]
2016
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In order for the TORC to work efficiently, it is essential the control system tracks the set points as closely as possible while remaining robust to disturbances; the control system design treats the heat ...
To achieve this goal, this thesis presents a design of an adaptive Cere- bellar Model Articulation Controller (CMAC) which uses a single-input-single-output strategy by pairing the controlled variables ...
ORC is also an alternative to typical boiler-turbine system for solar parabolic-trough plants. ...
doi:10.11575/prism/25758
fatcat:azvxoqkcgnfplpbes4ceevm3em
Detection and Evaluation of Clusters within Sequential Data
[article]
2022
arXiv
pre-print
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Clustering algorithms for Block Markov Chains possess theoretical optimality guarantees and can be deployed in sparse data regimes. ...
It is ultimately found that the Block Markov Chain model assumption, together with the tools developed here, can indeed produce meaningful insights in exploratory data analyses despite the complexity and ...
We would finally like to thank Mike van Santvoort for useful discussions while writing this paper. ...
arXiv:2210.01679v1
fatcat:jgoimy2edbb35ih4cjwjkveexy
Using MAGMA5 to optimize the parameters of casting an excavator tooth holder
2015
Zenodo
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The results indicated that CdS nanoparticles are quasispherical with a mean diameter of 3.12 nm and the cubic structure for the nanoparticles stabilized with 2 x 10-5 vol% of MS, whereas the nanoparticles ...
Therefore it has been a challenge to control the synthesis parameters to obtain the CdS nanoparticles of desired characteristics. ...
Acknowledgement The authors would like to acknowledge the financial support of the Ministry of Science of Serbia, trough the research projects TR 34011 and III 45019. ...
doi:10.5281/zenodo.8348872
fatcat:4ziajo2v5nhejfznyjzxwamnqe
Proceedings International Sorption Heat Pump Conference 2021 - Part II Call 2021
2021
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We also thank the German Federal Ministry of Education and Research and the EU joint program "Eurostars-2" for supporting further research into solar thermal driven adsorption refrigerators for hot climate ...
Acknowledgment The authors wish to thank the Dubai Expo 2020 Expo Live Program and their grant management team for supporting the prototyping and field-testing efforts that led to the results shown here ...
The overall performance curve has been extracted from a commercial parabolic trough collector [12] , and the electrical efficiency has been estimated [13] . ...
doi:10.14279/depositonce-12278
fatcat:btae3shaifgw3lwx7wwwllvwre
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