Parametric Modeling and Design Synthesis for Electromechanical Actuators PDF Download
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Author: Christopher Elmose Gloria
Publisher:
ISBN:
Category :
Languages : en
Pages : 294
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Book Description
Mechanical systems are becoming increasingly complex, containing hundreds of design parameters where the imperative is to increase performance while reducing costs. To meet these demands will require a paradigm shift away from trial and error procedures for monolithic structures and one-off designs towards an open architecture where global technology diffusion and systems on demand can become the accepted basis for significant economic return on investment. To achieve this goal, the design process must be more completely understood for the designer to handle increasingly complex systems in a manner that improves design. It is the goal of this work to convey the need for improved design science and to lay a foundation for the design of electromechanical actuators using fundamental principles and parametric formulations. Overall, this research provides the electromechanical actuator designer with a framework and some initial tools to aid in the design synthesis process with the ultimate goal of improving actuator design. This entails the development of a step by step process beginning with the selection of the actuator architecture based on specified design priorities. This is followed by the development of a parametric model of the chosen actuator configuration based on the design priorities and including the most important design parameters. Given this model, a method for extracting useful information in the form of design tradeoffs is developed. This work uses a method called algebraic reduction to manipulate the parametric model and gain design insights. An example demonstrating this design synthesis framework is given and includes the application of algebraic reduction to polynomial systems.
Author: Christopher Elmose Gloria
Publisher:
ISBN:
Category :
Languages : en
Pages : 294
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Book Description
Mechanical systems are becoming increasingly complex, containing hundreds of design parameters where the imperative is to increase performance while reducing costs. To meet these demands will require a paradigm shift away from trial and error procedures for monolithic structures and one-off designs towards an open architecture where global technology diffusion and systems on demand can become the accepted basis for significant economic return on investment. To achieve this goal, the design process must be more completely understood for the designer to handle increasingly complex systems in a manner that improves design. It is the goal of this work to convey the need for improved design science and to lay a foundation for the design of electromechanical actuators using fundamental principles and parametric formulations. Overall, this research provides the electromechanical actuator designer with a framework and some initial tools to aid in the design synthesis process with the ultimate goal of improving actuator design. This entails the development of a step by step process beginning with the selection of the actuator architecture based on specified design priorities. This is followed by the development of a parametric model of the chosen actuator configuration based on the design priorities and including the most important design parameters. Given this model, a method for extracting useful information in the form of design tradeoffs is developed. This work uses a method called algebraic reduction to manipulate the parametric model and gain design insights. An example demonstrating this design synthesis framework is given and includes the application of algebraic reduction to polynomial systems.
Author: Stewart Andrew Vaculik
Publisher:
ISBN:
Category :
Languages : en
Pages : 602
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Book Description
The basic components of electromechanical actuators include geartrains, prime movers, bearings, shafts, sensors, cooling components, and fasteners. A common requirement that drives a typical actuator design process is providing the output torque and speed needed for the given actuator task in a minimum volume/weight geometry. Two important questions to be answered in this research relate to the scaling and configuration management of an electromechanical actuator design. The first question is: "Given an electromechanical actuator design, how can it be scaled to produce another design that meets a different set of requirements (e.g., torque, speed, weight, life)?" The second question is: "Given an electromechanical actuator design, how can a designer change the configuration to obtain another design that meets the same set of requirements in a different geometric package/shape?" The answers to these questions rely on the development of a science of design process for electromechanical actuators to replace the current design process, which is based primarily on designer experience and often requires multiple design iterations. The Robotics Research Group (RRG) is currently working on this science of design process, which includes parametric design rules that can be used to reveal how actuator design parameters affect its key performance indicators. To improve this science, this research develops a detailed parametric model of the primary actuator components for a standard actuator, summarizes the design rules available from this model, formally defines the concepts of scaling and configuration management, and lays out a step-by-step process to implement these concepts. The parametric model used in this research builds on the existing models of previous RRG researchers. The design rules are developed based on the fundamental modeling equations that govern the design of the actuator components. The concepts of scaling and configuration management are defined as two of the fundamental design operations that can be applied to an electromechanical actuator. A scaling and configuration management process, which requires the parametric model, is developed and applied to an existing set of baseline actuator designs. The result of this process is the creation of actuator designs of intermediate size between the sizes of existing actuators, which makes it suitable for populating an actuator family. To handle the size and complexity of the actuator parametric model, this research introduces the model reduction technique of monotonicity analysis and illustrates how it is well suited for the electromechanical actuator design problem. A future goal of the RRG is to create a software tool that will contain a complete actuator parametric model, component design rules (of this and future research), and scaling and configuration management options, which will allow users to design actuators with a minimum amount of time, cost, and knowledge
Author: Liang Yan
Publisher: Springer
ISBN: 9789400716452
Category : Technology & Engineering
Languages : en
Pages : 166
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Book Description
A spherical actuator is a novel electric device that can achieve 2/3-DOF rotational motions in a single joint with electric power input. It has advantages such as compact structure, low mass/moment of inertia, fast response and non-singularities within the workspace. It has promising applications in robotics, automobile, manufacturing, medicine and aerospace industry. This is the first monograph that introduces the research on spherical actuators systematically. It broadens the scope of actuators from conventional single-axis to multi-axis, which will help both beginners and researchers to enhance their knowledge on electromagnetic actuators. Generic analytic modeling methods for magnetic field and torque output are developed, which can be applied to the development of other electromagnetic actuators. A parametric design methodology that allows fast analysis and design of spherical actuators for various applications is proposed. A novel non-contact high-precision 3-DOF spherical motion sensing methodology is developed and evaluated with experiments, which shows that it can achieve one order of magnitude higher precision than conventional methods. The technologies of nondimensionalization and normalization are introduced into magnetic field analysis the first time, and a benchmark database is established for the reference of other researches on spherical actuators.
Author: University of Michigan
Publisher: UM Libraries
ISBN:
Category : Education, Higher
Languages : en
Pages : 212
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Book Description
Each number is the catalogue of a specific school or college of the University.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 836
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Book Description
Author: Hrishikesh Upendra Dixit
Publisher:
ISBN:
Category :
Languages : en
Pages : 258
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Book Description
Author: University of Michigan
Publisher:
ISBN:
Category : Universities and colleges
Languages : en
Pages : 272
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Book Description
Each number is the catalogue of a specific school or college of the University.
Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 2300
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Book Description
Author: University of Michigan. College of Engineering
Publisher:
ISBN:
Category : Catalogs, College
Languages : en
Pages : 312
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Book Description
Also contains brochures, directories, manuals, and programs from various College of Engineering student organizations such as the Society of Women Engineers and Tau Beta Pi.
Author: Yoseph Bar-Cohen
Publisher: SPIE Press
ISBN: 9780819452979
Category : Artificial organs
Languages : en
Pages : 790
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Book Description
Covers the field of EAP with attention to all aspects and full infrastructure, including the available materials, analytical models, processing techniques, and characterization methods. This second edition covers advances in EAP in electric EAP, electroactive polymer gels, ionomeric polymer-metal composites, and carbon nanotube actuators.
