1st Edition

Combine Harvesters Theory, Modeling, and Design

By Petre Miu Copyright 2016
    494 Pages
    by CRC Press

    482 Pages 32 Color & 339 B/W Illustrations
    by CRC Press

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    From Basic Fundamentals to Advanced Design Applications

    A culmination of the author’s more than 20 years of research efforts, academic papers, and lecture notes, Combine Harvesters: Theory, Modeling, and Design outlines the key concepts of combine harvester process theory and provides you with a complete and thorough understanding of combine harvester processes. Utilizing a wealth of experimental data to promote validated mathematical models, this book presents the latest stochastic and deterministic modeling methods, evolutionary computational techniques, and practical applications.

    Highly focused on engineering and mathematics, it incorporates the use of simulation software (including MATLAB®) throughout the text and introduces a unified approach that can be used for any combine harvester functional structure. The book addresses modeling, simulation, evolutionary optimization, and combine process design. Breadth of coverage includes general technical specifications, developing machine layout as defined by engineering calculations, and design considerations for major subassembly processes.

    Comprised of 15 chapters, this text:

    • Provides examples of current combine systems/elements design throughout the book
    • Incorporates applications/exercises inspired by the author’s engineering and research experience
    • Uses both SI (metric) and imperial/U.S. measuring units throughout

    Combine Harvesters: Theory, Modeling, and Design contains principles, calculations, and examples that can aid you in combine process modeling and simulation, the development of combine process and driving task-based control systems by considering a top-to-bottom design of combine assembly and components.

    Introduction to Combine Harvesters
    Technological Requirements for Combine Harvesters
    History of Combine Harvester Development
    Construction of Modern Combine Harvesters: Specifications and Performance
    Equipment for Combine Harvesters
    Power Systems of Combine Harvesters
    Cab, Information, and Control Center
    Combine Harvester Performance

    System Modeling, Simulation, and Control
    System/Process Modeling
    Deterministic Models
    Stochastic Models
    System Simulation and Optimization
    System/Process Control
    General Simulation and Control Model of a Combine Harvester

    Crop Harvesting Data and Plant Properties
    Crop Data
    Plant Properties and Behavior Modeling
    Plant Grain Properties
    Aerodynamic Properties of Plant Grains and MOG
    Friction Coefficients of Plant Grains and MOG

    Plant Cutting, Gathering, and Conveying Processes and Equipment
    Grain Header
    Stripper Header
    Corn Header
    Sunflower Header

    Cereal Threshing and Separating Processes: Threshing Units
    Construction of Tangential Threshing Units
    Construction of Axial Threshing Units
    Performance Indices of a Threshing Unit
    General Assumptions in Theory, Mathematical Modeling, and Simulation
    Modeling of Material Kinematics
    Modeling of Grain Threshing and Separating Processes
    Modeling of MOG Fragmentation and Separation Processes
    Modeling of Threshing Unit Power Requirement
    GA-Based Optimization of the Threshing Unit Process and Design (MATLAB Application)

    Separation Process and Operation of Straw Walkers
    Construction of Straw Walkers
    Theory and Modeling of Grain Separation of Straw Walkers
    MOG Motion on Straw Walkers
    Straw Walker Design Considerations

    Cleaning Unit Process and Operation
    Construction of Cleaning Units
    Modeling of Grain Separation on Cleaning Unit

    Grain Conveying Process and Equipment
    Auger Elevator
    Scraper Elevator
    Bucket Elevator

    Crop Residue Chopping and Spreading Processes and Equipment
    Construction of Choppers and Spreaders
    Theory, Modeling, and Design of Crop Residue Chopping Process
    Theory, Modeling, and Design of Crop Residue Spreading Process

    Corn Ear Dehusking Process and Equipment
    Construction and Specifications of Corn Dehusking Units
    Dehusking Process Theory

    Power System of a Combine Harvester
    Diesel Engine
    Construction of Power Train of Combine Harvesters
    Modeling of Power Train of Combine Harvesters

    Dynamic Modeling of Material Flow in a Combine Harvester
    Introduction to Material Flow Dynamics in a Combine
    Material Flow Dynamics Modeling
    Ensemble-Averaged Models of Multicomponent Vegetal Material Mixtures
    Modeling of Dynamic Grain Flow in a Combine Harvester

    Sensors and Fault Diagnosis Systems for Combine Harvesters
    Fault Diagnosis Systems for Combine Harvesters

    Cab, Controls, and Human–Machine Interface
    Specifications of Combine Harvester Cab
    Operator–Machine Interface and Controls
    Interaction Modeling

    Guidance and Control of Autonomous Combine Harvesters
    Precision Harvesting, Geospatial Dispersion, and Variability of Crops
    Introduction to GPS, Coordinate Systems, and Latitude and Longitude
    Map Projection
    Geomagnetic Direction Sensing
    Computer Vision
    Machine Path Tracking and Control
    Framework of an Autonomous Combine Harvester


    Petre Miu is the owner of Projenics (www.projenics.net), Canada. He worked as a research associate at the Biosystems Engineering Department, University of Tennessee, Knoxville, and as a professor at the Politehnica University of Bucharest, Romania. Dr. Miu began his most prolific and prestigious scientific work in Stuttgart, Germany, at Hohenheim University, Institute of Agricultural Engineering, where the German government awarded him two consecutive postdoctoral Alexander von Humboldt research grants. He has extensive experience in the design of harvesting machinery and equipment, and in other areas, including computer numerical control machining centers, robotics, and electronic packaging of radio frequency radar systems.

    "Despite the vital importance of combine harvesters, there has been surprisingly little published recently on their engineering. This book has admirably filled that gaping void. It can be understood by good undergraduates, yet has sufficient technical strengths and details to please graduate students and practicing engineers. The latest theoretical and practical concepts are thoroughly explained with ample and excellent figures and clear writing. I highly recommend it to anyone interested in combine harvesters.
    —John K. Schueller, University of Florida, Gainesville, USA

    "This book takes a logical and well-structured approach to presenting a[n] understanding of the design criteria and limitations in the development of a combine harvester. The clearly laid out mathematical principles underlying the theory of operation of a combine make it easy for the reader to follow the process."
    —Dr. Kevin McDonnell, University College Dublin, Ireland

    "The unitary approach taken in this book which links historical perspective and functional aspects into the classical engineering approach renders itself very well. It is encouraging to note the depth of engineering, mathematics, and other multi-disciplinary aspects in the book. The author has systematically considered all the material properties essential in the design."
    —Dr. Vijaya Raghavan, McGill University, Quebec, Canada

    "In my opinion, nothing available is really comparable to this book of Petre Miu."
    —Dr. Ludger Frerichs, Technical University Braunschweig, Germany

    "A broad overview of combine technology today is provided on limited space. State-of-the-art sensors and diagnostic systems are presented including fundamental physical principles and equations. The focus is on the basic understanding of current production combines. Many descriptive figures are used. The level of detail provided in the book is not enough to design a combine, but it gives a fundamental understanding of various combine functions and subsystems."
    —Dr. Folker Beck, Deere & Company

    "This book contains detailed technical information including constructions and design calculations about a combine. Each working system in a combine was discussed in one chapter that is convenient for readers to use this book as a design reference book. It can be a good reference book for college students and researchers who are working on combine harvester design and test."
    —Jude Liu, Associate Professor of Agricultural and Biological Engineering, The Pennsylvania State University