Optimal Control of Greenhouse Cultivation PDF Download
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Author: Gerrit van Straten
Publisher: CRC Press
ISBN: 1420059637
Category : Science
Languages : en
Pages : 318
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Book Description
Greenhouse control system manufacturers produce equipment and software with hundreds of settings and, while they hold training courses on how to adjust these settings, there is as yet no integrated instruction on when or why. Despite rapid growth in the greenhouse industry, growers are still faced with a multitude of variables and no unifying frame
Author: Gerrit van Straten
Publisher: CRC Press
ISBN: 1420059637
Category : Science
Languages : en
Pages : 318
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Book Description
Greenhouse control system manufacturers produce equipment and software with hundreds of settings and, while they hold training courses on how to adjust these settings, there is as yet no integrated instruction on when or why. Despite rapid growth in the greenhouse industry, growers are still faced with a multitude of variables and no unifying frame
Author: J.C. Bakker
Publisher: BRILL
ISBN: 9086865011
Category : Technology & Engineering
Languages : en
Pages : 291
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Book Description
This publication emphasises that an interdisciplinary and multi-disciplinary cooperation of scientists throughout the world is important in solving the complex problems facing the greenhouse industry. The book itself is an outstanding example of such cooperation.The aim of the book is to describe and analyse crop production in greenhouses in relation to climate control, to redefine the problem of (optimal) control from a theoretical point of view, and to provide a suitable framework for the design of new, scientifically based control systems. Though the principles are generally applicable, they are discussed against the background of the Dutch greenhouse industry. To provide the reader with some background information, the historical developments and the economic position of the Dutch horticultural industry are briefly reviewed in the introductory chapter. ...this book will certainly become a reference as such an extensive review on the greenhouse-crop system and its control is lacking for research and teaching... (Scientia Horticultura)
Author: Francisco Rodríguez
Publisher: Springer
ISBN: 3319111345
Category : Technology & Engineering
Languages : en
Pages : 275
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Book Description
A discussion of challenges related to the modeling and control of greenhouse crop growth, this book presents state-of-the-art answers to those challenges. The authors model the subsystems involved in successful greenhouse control using different techniques and show how the models obtained can be exploited for simulation or control design; they suggest ideas for the development of physical and/or black-box models for this purpose. Strategies for the control of climate- and irrigation-related variables are brought forward. The uses of PID control and feedforward compensators, both widely used in commercial tools, are summarized. The benefits of advanced control techniques—event-based, robust, and predictive control, for example—are used to improve on the performance of those basic methods. A hierarchical control architecture is developed governed by a high-level multiobjective optimization approach rather than traditional constrained optimization and artificial intelligence techniques. Reference trajectories are found for diurnal and nocturnal temperatures (climate-related setpoints) and electrical conductivity (fertirrigation-related setpoints). The objectives are to maximize profit, fruit quality, and water-use efficiency, these being encouraged by current international rules. Illustrative practical results selected from those obtained in an industrial greenhouse during the last eight years are shown and described. The text of the book is complemented by the use of illustrations, tables and real examples which are helpful in understanding the material. Modeling and Control of Greenhouse Crop Growth will be of interest to industrial engineers, academic researchers and graduates from agricultural, chemical, and process-control backgrounds.
Author: Ramon Guevara-Gonzalez
Publisher: Springer Science & Business Media
ISBN: 331903880X
Category : Technology & Engineering
Languages : en
Pages : 479
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Book Description
This book presents new food production systems (for plants and animals) involving agrochemicals that increase in a controlled manner the bioactives content, under greenhouse conditions. Moreover, conception and design of new instrumentation for precision agriculture and aquiculture contributing in food production is also highlighted in this book.
Author: CaliKim
Publisher: Cool Springs Press
ISBN: 0760365342
Category : Gardening
Languages : en
Pages : 163
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Book Description
If you want to grow healthy vegetables at home, but have hesitated because it seems too hard and time consuming, Organic Gardening for Everyone is your perfect hands-on guide—an “if I can do it, you can do it” case study that addresses your concerns and gets you started. Loaded with practical advice and step-by-step guidance, Organic Gardening for Everyone takes a very personal and friendly approach to a subject that can be intimidating. It is a first-class primer on organic vegetable gardening, and an inspirational story about how anyone can balance the rigors of gardening with the demands of a modern, family-oriented lifestyle. In 2012, a California mom decided to start an organic vegetable garden. But she went about it in an unusual way: she crowdsourced it by launching a YouTube channel under the name "CaliKim" and asking for help. And then she started planting. As questions came up, she turned to her viewers and subscribers and they replied with answers and advice. As she learned, her garden grew successfully—even in the hot, harsh California climate. Her expertise also grew, and now she answers many more questions than she asks and has become a very accomplished home gardener. And CaliKim has a great story to tell: growing healthy organic vegetables for your family is not difficult, even for today’s time-challenged lifestyles. She provides complete step-by-step information on growing the most popular edibles organically, and also gives sound advice on how to take on the challenges of balancing a hectic lifestyle with successful growing—and how to involve the whole family in the process. You'll be rewarded for your effort every time you place a plate of natural, organic vegetables on the family dinner table knowing exactly what they are, what is in them, and where they came from.
Author:
Publisher: European Control Association
ISBN:
Category :
Languages : en
Pages : 684
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Book Description
Proceedings of the European Control Conference 1993, Groningen, Netherlands, June 28 – July 1, 1993
Author: Craig LeHoullier
Publisher: Storey Publishing, LLC
ISBN: 1612122094
Category : Gardening
Languages : en
Pages : 257
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Book Description
Savor your best tomato harvest ever! Craig LeHoullier provides everything a tomato enthusiast needs to know about growing more than 200 varieties of tomatoes, from planting to cultivating and collecting seeds at the end of the season. He also offers a comprehensive guide to various pests and tomato diseases, explaining how best to avoid them. With beautiful photographs and intriguing tomato profiles throughout, Epic Tomatoes celebrates one of the most versatile and delicious crops in your garden.
Author: Mark Lʹvovich Agranovskiĭ
Publisher: American Mathematical Soc.
ISBN: 0821851969
Category : Mathematics
Languages : en
Pages : 346
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Book Description
The papers in this volume cover a wide variety of topics in the geometric theory of functions of one and several complex variables, including univalent functions, conformal and quasiconformal mappings, and dynamics in infinite-dimensional spaces. In addition, there are several articles dealing with various aspects of Lie groups, control theory, and optimization. Taken together, the articles provide the reader with a panorama of activity in complex analysis and quasiconformal mappings, drawn by a number of leading figures in the field. The companion volume (Contemporary Mathematics, Volume 554) is devoted to general relativity, geometry, and PDE.
Author: Bozzano G Luisa
Publisher: Academic Press
ISBN: 0323137962
Category : Gardening
Languages : en
Pages : 351
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Book Description
The aim of this book is to open up research areas in automatic control engineering for crop production systems in horticulture and agriculture, and to explain the principle ideas of advanced automatic control in plant production. The text includes detailed discussions of:- Fundamental systems engineering concepts- Modeling- Control for agricultural systems- Optimal control and its applications- Artificial intelligence for agricultural applications
Author: N. Sigrimis
Publisher: Pergamon
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 356
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Book Description
In this workshop an attempt was made to fuse the disciplines involved in the requirements, specification, design and implementation of control systems for the automation of agricultural systems. The need to meet the demanding specifications for increasingly complex agricultural systems is being addressed by using increasingly sophisticated models and control algorithms. In parallel, the ever-decreasing profit margins in the agricultural sector no longer permit agriculture to operate in the traditional manner, but are forcing it to transform into a contemporary business with all the complexities that this implies. The work environment is changing rapidly and humans are moving to positions of supervision and management while automation and robotics are taking over many of the menial and tedious tasks. Modern technological developments in industrial management and control are entering agriculture and transforming it rapidly into an industry. Smaller agricultural systems are being linked to produce hierarchical large-scale agricultural systems, whose management and control demands high level intelligent decision support mechanisms. Local and wide area networks provide the relevant agricultural and economic data and facts to central production management systems where decisions are made and subsequently transferred to remote locations for execution. Agriculture, which is a highly distributed operation, is taking advantage of modern communications networks, unifying remote locations into a virtual world. Agriculture has been making significant steps in producing food and fibers of improved quality in a highly constrained economic environment. Robust control of such a largely uncertain system demands that application domain experts work closely with systems analysts and control engineers to produce systems of higher autonomy and efficiency to meet todays global challenge.
