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RISMechanical Design Research in Taiwan
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Taiwan (Formosa) is an island with 36,000 square kilometers and around 23 million people. Its history in mechanical engineering higher education started with the Metalwork Department of the ...
On the Maximum Value of the Maximum Degree of Kinematic Chains
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the major steps in the development of a systematic design methodology for the creative design of vehicle mechanisms is to obtain all possible link assortments, and then to generate the ...
Logical Foundations of Kinematic Chains: Graphs, Line Graphs, and Hypergraphs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In terms of concepts from the theory of graphs and hypergraphs we formulate a precise structural characterization of a kinematic chain. To do this, we require the operations of line graph, ...
On the Dead-Center Positions of Planar Linkage Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In dead-center positions, a mechanism loses its mobility and has zero mechanical advantage. Based on the concept of instant centers, we develop a methodology to generate planar linkage mechanisms ...
Identifying and Counting the Number of Mechanisms From Kinematic Chains Subject to Design Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approach is presented, based on combinatorial theory, for the complete enumeration of nonisomorphic mechanisms precisely from kinematic chains. And, based on the permutation groups, the concept ...
Topological Representations and Characteristics of Variable Kinematic Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There exist some mechanisms with variable topologies that have interesting applications, for examples, legged walking machines, mechanical push-button stopper locks, and various toys. A variable ...
On the Mobility and Configuration Singularity of Mechanisms With Variable Topologies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanisms with variable topologies (MVTs) are usually changing their topological structures in accordance with the varying mobility and quasi-singular configurations. The mobility analysis and ...
Reconstruction Synthesis of the Calendrical Subsystem of Antikythera Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The damaged excavation of the Antikythera mechanism presents the oldest astronomical analog computer in ancient Greece. Its interior mechanism is a complicated gear train with many subsystems in ...
Movable Spatial 6R Mechanisms With Three Adjacent Parallel Axes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on derived matrix loop equations and their algebraic manipulations, we obtain the necessary mobility criteria, and prove that there are only three types of movable spatial 6R mechanisms ...
Geometric Design and Machining of Variable Pitch Lead Screws with Cylindrical Meshing Elements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper derives the surface geometry and machine tool settings for a double threaded variable pitch lead screw with four cylindrical meshing elements. A 4-axis machining center with a rotary ...