The Configuration Space Method For Kinematic Design Of Mechanisms
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The Configuration Space Method for Kinematic Design of Mechanisms
A novel algorithmic approach to mechanism design based on a geometric representation of kinematic function called configuration space partitions. This book presents the configuration space method for computer-aided design of mechanisms with changing part contacts. Configuration space is a complete and compact geometric representation of part motions and part interactions that supports the core mechanism design tasks of analysis, synthesis, and tolerancing. It is the first general algorithmic treatment of the kinematics of higher pairs with changing contacts. It will help designers detect and correct design flaws and unexpected kinematic behaviors, as demonstrated in the book's four case studies taken from industry. After presenting the configuration space framework and algorithms for mechanism kinematics, the authors describe algorithms for kinematic analysis, tolerancing, and synthesis based on configuration spaces. The case studies follow, illustrating the application of the configuration space method to the analysis and design of automotive, micro-mechanical, and optical mechanisms. Appendixes offer a catalog of higher-pair mechanisms and a description of HIPAIR, an open source C++ mechanical design system that implements some of the configuration space methods described in the book, including configuration space visualization and kinematic simulation. HIPAIR comes with an interactive graphical user interface and many sample mechanism input files. The Configuration Space Method for Kinematic Design of Mechanisms will be a valuable resource for students, researchers, and engineers in mechanical engineering, computer science, and robotics.
Global Consistency of Tolerances
Author: Fred van Houten
language: en
Publisher: Springer Science & Business Media
Release Date: 2013-04-17
This book contains selected contributions from the 6th CIRP International Seminar on Computer-Aided Tolerancing, which was held on 22-24 March, 1999, at the University of Twente, Enschede, The Netherlands. This volume presents the theory and application of consistent tolerancing. Until recently CADCAM systems did not even address the issue of tolerances and focused purely on nominal geometry. Therefore, CAD data was only of limited use for the downstream processes. The latest generation of CADCAM systems incorporates functionality for tolerance specification. However, the lack of consistency in existing tolerancing standards and everyday tolerancing practice still lead to ill-defined products, excessive manufacturing costs and unexpected failures. Research and improvement of education in tolerancing are hot items today. Global Consistency of Tolerances gives an excellent overview of the recent developments in the field of Computer-Aided Tolerancing, including such topics as tolerance specification; tolerance analysis; tolerance synthesis; tolerance representation; geometric product specification; functional product analysis; statistical tolerancing; education of tolerancing; computational metrology; tolerancing standards; and industrial applications and CAT systems. This book is well suited to users of new generation CADCAM systems who want to use the available tolerancing possibilities properly. It can also be used as a starting point for research activities.
Advances in Mechanism and Machine Science and Engineering in China
This book collects selected papers of the 24th IFToMM China International Conference on Mechanism and Machine Science and Engineering (CCMMS 2024). CCMMS was initiated in 1982, and it is the most important forum held in China for exchange of research ideas, presentation of technical and scientific achievements, and discussion of future directions in the field of mechanism and machine science. The topics include theoretical and computational kinematics, dynamics and control, engines and transmission systems, parallel/hybrid mechanisms and industrial robotics, compliant mechanisms, origami mechanisms and soft robotics, metamorphic mechanisms and robotics, deployable structures and mechanisms, aerospace mechanisms and environmental effects, micro/nano mechanisms and robotics, biologically inspired mechanisms and robotics, medical and rehabilitation robotics, mobile robotics and heavy non-road mobile machines, history of mechanisms, machines and robotics, and engineering education on mechanisms. This book provides a state-of-the-art overview of current advances in mechanism and machine science in China. The inspiring ideas presented in the papers will enlighten the trend in academic research and industrial application. The potential readers include academic researchers and industrial professionals in the field of mechanism and machine science.