Robust Control Of Diesel Ship Propulsion
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Robust Control Of Diesel Ship Propulsion
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Author : Nikolaos Xiros
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Robust Control Of Diesel Ship Propulsion written by Nikolaos Xiros and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
This book covers a number of models and control types. An integrated nonlinear state-space mode of the marine propulsion system is developed. This is based upon physical principles that incorporate uncertainties arising from engine thermodynamics and disturbances arising from propeller hydrodynamics. The mode employs artificial neural networks to depict the nonlinearities of the thermochemical processes of engine power/torque generation and the engine–turbocharger dynamical interaction; neural nets combine the required mathematical flexibility and formalism with numerical training and calibration options using either thermodynamic engine models or measured data series. The neural state-space model is decomposed appropriately to provide a linearised perturbation model suitable for controller synthesis. The proportional–integral (derivative) control law is examined under the perspective of shaft speed regulation for enhanced disturbance rejection of the propeller load. The typical marine shafting system dynamics and configuration allow for a smart implementation of the D-term on shaft torque feedback. Full state-feedback control is examined for increased robustness of the compensated plant against parametric uncertainty and neglected dynamics. The H¥ requirements on the closed-loop transfer matrix are appropriately decomposed to similar ones on scalar transfer functions, which give specifications that are easier to manipulate. In effect, the methods are comparatively assessed and suggestions and practical applications are given. This synthetic approach to propulsion plant control and operational problems should prove useful for both theoreticians and practitioners, and can be easilty adopted for the control of other proceses or systems outside the marine field, as well.
Robust Control Of Diesel Ship Propulsion
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Author : Nikolaos Xiros
language : en
Publisher:
Release Date : 2002-08-05
Robust Control Of Diesel Ship Propulsion written by Nikolaos Xiros and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-08-05 with categories.
Based on the author's research and practical projects, he presents a broad view of the needs and problems of the shipping industry in this area. The book covers several models and control types, developing an integrated nonlinear state-space model of the marine propulsion system.
Robust Control Of Diesel Ship Propulsion
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Author : Nikolaos Xiros
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-06-14
Robust Control Of Diesel Ship Propulsion written by Nikolaos Xiros and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-14 with Technology & Engineering categories.
Based on the author’s research and practical projects, he presents a broad view of the needs and problems of the shipping industry in this area. The book covers several models and control types, developing an integrated nonlinear state-space model of the marine propulsion system.
Modeling And Control Of Egr On Marine Two Stroke Diesel Engines
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Author : Xavier Llamas
language : en
Publisher: Linköping University Electronic Press
Release Date : 2018-01-30
Modeling And Control Of Egr On Marine Two Stroke Diesel Engines written by Xavier Llamas and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-30 with categories.
The international marine shipping industry is responsible for the transport of around 90% of the total world trade. Low-speed two-stroke diesel engines usually propel the largest trading ships. This engine type choice is mainly motivated by its high fuel efficiency and the capacity to burn cheap low-quality fuels. To reduce the marine freight impact on the environment, the International Maritime Organization (IMO) has introduced stricter limits on the engine pollutant emissions. One of these new restrictions, named Tier III, sets the maximum NOx emissions permitted. New emission reduction technologies have to be developed to fulfill the Tier III limits on two-stroke engines since adjusting the engine combustion alone is not sufficient. There are several promising technologies to achieve the required NOx reductions, Exhaust Gas Recirculation (EGR) is one of them. For automotive applications, EGR is a mature technology, and many of the research findings can be used directly in marine applications. However, there are some differences in marine two-stroke engines, which require further development to apply and control EGR. The number of available engines for testing EGR controllers on ships and test beds is low due to the recent introduction of EGR. Hence, engine simulation models are a good alternative for developing controllers, and many different engine loading scenarios can be simulated without the high costs of running real engine tests. The primary focus of this thesis is the development and validation of models for two-stroke marine engines with EGR. The modeling follows a Mean Value Engine Model (MVEM) approach, which has a low computational complexity and permits faster than real-time simulations suitable for controller testing. A parameterization process that deals with the low measurement data availability, compared to the available data on automotive engines, is also investigated and described. As a result, the proposed model is parameterized to two different two-stroke engines showing a good agreement with the measurements in both stationary and dynamic conditions. Several engine components have been developed. One of these is a new analytic in-cylinder pressure model that captures the influence of the injection and exhaust valve timings without increasing the simulation time. A new compressor model that can extrapolate to low speeds and pressure ratios in a physically sound way is also described. This compressor model is a requirement to be able to simulate low engine loads. Moreover, a novel parameterization algorithm is shown to handle well the model nonlinearities and to obtain a good model agreement with a large number of tested compressor maps. Furthermore, the engine model is complemented with dynamic models for ship and propeller to be able to simulate transient sailing scenarios, where good EGR controller performance is crucial. The model is used to identify the low load area as the most challenging for the controller performance, due to the slower engine air path dynamics. Further low load simulations indicate that sensor bias can be problematic and lead to an undesired black smoke formation, while errors in the parameters of the controller flow estimators are not as critical. This result is valuable because for a newly built engine a proper sensor setup is more straightforward to verify than to get the right parameters for the flow estimators.
Proceedings Of The 15th International Marine Design Conference
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Author : Austin A. Kana
language : en
Publisher: TU Delft OPEN Publishing
Release Date : 2024-08-22
Proceedings Of The 15th International Marine Design Conference written by Austin A. Kana and has been published by TU Delft OPEN Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-22 with Technology & Engineering categories.
The 15th International Marine Design Conference (IMDC-2024) was organized by the Department of Maritime and Transport Technology, Delft University of Technology, and was hosted by the Netherlands Defence Materiel Organisation at the Marine Etablissement Amsterdam (MEA). The aim of the IMDC is to promote all aspects of marine design as an engineering discipline. The focus of IMDC-2024 is on the key design challenges and opportunities in the maritime field with special emphasis on the following themes. Ship design methodology issues such as: design spiral, systems engineering, set-based design, design optimisation, concurrent design, modular design, configuration based design, or 'fuzzy' design aspects. Novel marine design concepts, such as: hull form design, transport ships, service vessels, naval vessels, yachts and cruise ships, or specialized and complex vessels. Offshore design methodology, such as applications to: offshore wind turbines, semi-submersibles, floating fish farms, or floating cities. Influence of energy transition on maritime design, including both zero emission and high power and energy systems. Influence of unmanned and autonomous transition on maritime design. Influence of digital transition on maritime design, such as: digital shadows and twins, model-based systems engineering, AI, ML and big data. Influence of regulations on maritime design. Maritime design education
Diesel Engine System Design
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Author : Qianfan Xin
language : en
Publisher: Elsevier
Release Date : 2011-05-26
Diesel Engine System Design written by Qianfan Xin and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-26 with Technology & Engineering categories.
Diesel Engine System Design links everything diesel engineers need to know about engine performance and system design in order for them to master all the essential topics quickly and to solve practical design problems. Based on the author's unique experience in the field, it enables engineers to come up with an appropriate specification at an early stage in the product development cycle. - Links everything diesel engineers need to know about engine performance and system design featuring essential topics and techniques to solve practical design problems - Focuses on engine performance and system integration including important approaches for modelling and analysis - Explores fundamental concepts and generic techniques in diesel engine system design incorporating durability, reliability and optimization theories
Control Of Ships And Underwater Vehicles
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Author : Khac Duc Do
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-08-09
Control Of Ships And Underwater Vehicles written by Khac Duc Do and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-09 with Technology & Engineering categories.
Most ocean vessels are underactuated but control of their motion in the real ocean environment is essential. Starting with a review of the background on ocean-vessel dynamics and nonlinear control theory, the authors’ systematic approach is based on various nontrivial coordinate transformations coupled with advanced nonlinear control design methods. This strategy is then used for the development and analysis of a number of ocean-vessel control systems with the aim of achieving advanced motion control tasks including stabilization, trajectory-tracking, path-tracking and path-following. Control of Ships and Underwater Vehicles offers the reader: - new results in the nonlinear control of underactuated ocean vessels; - efficient designs for the implementation of controllers on underactuated ocean vessels; - numerical simulations and real-time implementations of the control systems designed on a scale-model ship for each controller developed to illustrate their effectiveness and afford practical guidance.
Optimal Control Of Wind Energy Systems
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Author : Iulian Munteanu
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-02-05
Optimal Control Of Wind Energy Systems written by Iulian Munteanu and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-05 with Technology & Engineering categories.
Optimal Control of Wind Energy Systems is a thorough review of the main control issues in wind power generation, covering many industrial application problems. A series of control techniques are analyzed and compared, starting with the classical ones, like PI control and gain-scheduling techniques, and continuing with some modern ones: sliding mode techniques, feedback linearization control and robust control. Discussion is directed at identifying the benefits of a global dynamic optimization approach to wind power systems. The main results are presented and illustrated by case studies and MATLAB®/Simulink® simulation. The corresponding programmes and block diagrams can be downloaded from the book’s page at springer.com. For some of the case studies presented, real-time simulation results are available. Control engineers, researchers and graduate students interested in learning and applying systematic optimization procedures to wind power systems will find this a most useful guide to the field.
Process Control
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Author : Jie Bao
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-06-14
Process Control written by Jie Bao and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-06-14 with Technology & Engineering categories.
Passivity and associated stability conditions form one of the cornerstones in control theory and have begun to be applied in process control. In this book, passivity-based developments in all areas of control theory are addressed systematically for the first time. The emphasis is placed on real results that add insight. Case studies illustrate applications in all the main chapters. MATLAB® routines and a library of functions that implement the methods developed in the book can be downloaded from springer.com.
Windup In Control
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Author : Peter Hippe
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-08-03
Windup In Control written by Peter Hippe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-03 with Technology & Engineering categories.
Actuator saturation is probably the most frequent nonlinearity encountered in control applications and causes "controller" windup and "plant" windup calling for distinct remedies. Peter Hippe presents antiwindup solutions for stable and unstable single-input-single-output and multiple-input-multiple-output (MIMO) systems. The solutions use only standard tools for the investigation of linear systems – state equations, transfer functions, etc. Less rigorous solutions which guarantee improved performance but without strict proof of stability are also demonstrated. Maintenance of MIMO system directionality and bumpless transfer are included and the developments in control methods are always supplemented by easily repeated numerical examples. Academics doing control-related research and engineers working in the process industries will find this book an extremely useful overview of systematic windup prevention for all kinds of systems. It also has valuable insights to offer the graduate student of control.