1st Edition
Optimal Control of Greenhouse Cultivation
Introduction and Problem Statement
Greenhouse-Crop Cultivation—Benefits and Challenges
Automatic Control
Elementary Description of the Greenhouse-Crop System
Measurements and Instrumentation
Decomposition, Fluxes, and Information Flows
General State–Space Representation
Hierarchical Computerized Control
Current Status of Computerized Control
How Is This Book Organized?.
Reference
Introduction to Optimal Control of Greenhouse Climate
Introduction and Motivation
A Simple Illustrative Example
General Formulation of Optimal Control Problems
Benefits and Difficulties Associated with Optimal Control
Open-Loop Optimal Control
Introduction
Optimal Control Theory
Optimal Control Algorithms
References
Closed-Loop Optimal Control
Introduction
State Estimation
Linear Quadratic Feedback Control
References
Greenhouse Cultivation Control Paradigms
Introduction
Optimal Control Revisited
Earlier Surveys of Greenhouse Climate Control Solutions
Classification of Proposed Greenhouse Climate Control Solutions
Discussion and Conclusion
References
A Seminal Case: Lettuce
Introduction
Models
The Optimal Control Problem
Optimal Control Case Studies
Concluding Remarks
References
An Experimental Application: Tomato.
Introduction
Tomato Model
Greenhouse Climate Model
State–Space Form of the Complete Greenhouse-Crop Model
Calibration and Model Results
Open-Loop Optimization
Two–Time-Scale Receding Horizon Controller (RHOC)
Evaluation of Optimal Control
Assessment of Economic Result as Compared with Conventional Control
Discussion and Conclusions
References
An Advanced Application: The Solar Greenhouse.
Introduction
Description of the Solar Greenhouse Concept
System Description
The Solar Greenhouse Model
Model of Crop Biophysics
Sensitivity Analysis, Calibration, and Validation
Optimal Control
References
Appendices
Developments, Open Issues, and Perspectives
Introduction
Developments in the Greenhouse Industry and Consequences for Control
Prerequisites for Future Control Systems
Challenges for Science and Technology
Showstoppers for Optimal Control
Conclusions and Perspectives
References
Biography
Gerrit van Straten, Gerard van Willigenburg, Eldert van Henten, Rachel van Ooteghem
