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1. |
Record Nr. |
UNISA990003344120203316 |
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Autore |
PAGETTI, Flora |
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Titolo |
Tipologie e mete del turismo : materiali di studio, contributi di ricerca / a cura di Flora Pagetti |
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Pubbl/distr/stampa |
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Milano : I.S.U. Università Cattolica, 1998 |
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Descrizione fisica |
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Disciplina |
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Soggetti |
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Collocazione |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910155527003321 |
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Autore |
van Holten Theo |
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Titolo |
The Atomic World Spooky? It Ain't Necessarily So! : Emergent Quantum Mechanics, How the Classical Laws of Nature Can Conspire to Cause Quantum-Like Behaviour / / by Theo van Holten |
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Pubbl/distr/stampa |
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Paris : , : Atlantis Press : , : Imprint : Atlantis Press, , 2017 |
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ISBN |
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Edizione |
[1st ed. 2017.] |
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Descrizione fisica |
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1 online resource (XX, 561 p. 241 illus., 191 illus. in color.) |
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Disciplina |
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Soggetti |
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Quantum theory |
Physics |
Astronomy |
Knowledge, Theory of |
Quantum Physics |
Physics and Astronomy |
Epistemology |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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1. Introduction and Outline -- 2. Strange Behaviour at Quantum Scale: the full List -- 3. The Transition Region as Predicted by Quantum Mechanics -- 4. From Rigid Marble to Vibrating Droplet of Charge: Model Assumptions -- 5. Determining the Electromagnetic Self Forces -- 6. A Brief Excursion to Sub-Atomic Scales: the Electron, the Muon and the Tau Particle -- 7. Dynamics of the Droplet: a Pictorial Representation of the Equations of Motion -- 8. First Glimpses of Quantum Behaviour: Matter Waves -- 9. Energy Quantisation in Potential Wells -- 10. Still more (non)Glimpses: the Droplet is Sometimes Invisible -- 11. Schrödinger's Equation -- 12. On Radiation and Radio Silence; Interaction Between Charges and Radiation -- 13. On Bohr's Radiation "Out of Nothing"; and on Photons, the "Particles with a Wavelength" -- 14. Summing up the Successes and the Remaining Mysteries -- 15. A Chapter full of Speculations: Bohr's Atom, Schrödinger's Cat, "Spooky" Interactions, and the Double-Slit Experiment -- 16. Conclusions: the Direction Towards Einstein’s “Hidden Variable”?. |
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Sommario/riassunto |
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The present book takes the discovery that quantum-like behaviour is not solely reserved to atomic particles one step further. If electrons are modelled as vibrating droplets instead of the usually assumed point objects, and if the classical laws of nature are applied, then exactly the same behaviour as in quantum theory is found, quantitatively correct! The world of atoms is strange and quantum mechanics, the theory of this world, is almost magic. Or is it? Tiny droplets of oil bouncing round on a fluid surface can also mimic the world of quantum mechanics. For the layman - for whom the main part of this book is written - this is good news. If the everyday laws of nature can conspire to show up quantum-like phenomena, there is hope to form mental pictures how the atomic world works. The book is almost formula-free, and explains everythingby using many sketches and diagrams. The mathematical derivations underlying the main text are kept separate in a -peer reviewed - appendix. The author, a retired professor of Flight Mechanics and Propulsion at the Delft University of Technology, chose to publish his findings in this mixed popular and scientific form, because he found that interested laymen more often than professional physicists feel the need to form visualisations of quantum phenomena. |
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3. |
Record Nr. |
UNINA9910483039303321 |
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Autore |
Hassan Sabo Miya |
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Titolo |
Hybrid PID Based Predictive Control Strategies for WirelessHART Networked Control Systems / / by Sabo Miya Hassan, Rosdiazli Ibrahim, Nordin Saad, Kishore Bingi, Vijanth Sagayan Asirvadam |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2020 |
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ISBN |
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Edizione |
[1st ed. 2020.] |
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Descrizione fisica |
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1 online resource (xvi, 154 pages) |
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Collana |
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Studies in Systems, Decision and Control, , 2198-4190 ; ; 293 |
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Disciplina |
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Soggetti |
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Automatic control |
Telecommunication |
Computational intelligence |
Control and Systems Theory |
Communications Engineering, Networks |
Computational Intelligence |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Introduction -- Filtered Predictive PI Controller for WirelessHART Networked Systems -- WirelessHART Networked Set-point Weighted Controllers -- Hybrid APSO–Spiral Dynamic Algorithm -- Hybrid ABFA-APSO Algorithm -- Comparison WirelessHART Networked systems. |
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Sommario/riassunto |
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Recent advances in wireless technology have led to the emergence of industry standards such as WirelessHART. These strategies minimise the need for cumbersome cabling, thereby reducing costs. However, applying them involves the challenge of handling stochastic network delays, which can degrade control performance. To address this problem, commonly used simple PID could be employed. However, PID suffers from gain range limitations when used in a delayed environment. Furthermore, model-based controllers are complex and require exact models of the process and systematic system identification for implementation. Therefore, to address these issues, the book proposes control strategies that retain the simplicity of PID in terms of ease of tuning and structure, while improving on the |
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performance of the closed-loop system with regard to stochastic network delays and mismatches. Concretely, it proposes and discusses three strategies, namely: Setpoint Weighting (SW), Filtered Predictive PI (FPPI) and Optimal Fuzzy PID. In order to optimise some of these controllers, two novel hybrid optimisation algorithms combining the dynamism of the Bacterial Foraging Algorithm (BFA) and advantages of both the Spiral Dynamic Algorithm (SDA) and the Accelerated Particle Swarm Optimisation (APSO) have been used. The strategies proposed here can also be applied in stochastic control scenarios (not necessarily wireless) characterised by uncertainties. This book will be useful to engineers and researchers in both industry and academia. In industry, it will be particularly useful to research and development efforts where PID controllers and wireless sensor networks (WSNs) involving both short and long term stochastic network delay are employed. Thus, it can be used for real-time control design in these areas. In the academic setting, the book will be useful for researchers, undergraduate and graduate students of instrumentation and control. It can also be used as referencematerial for teaching courses on predictive and adaptive controls and their application. |
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