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RISAutomated Type Synthesis of Planar Mechanisms Using Numeric Optimization With Genetic Algorithms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a novel method for the automated type synthesis of planar mechanisms and multibody systems. The method explicitly includes topology as a design variable in an optimization ...
Stabilization of a Dynamic Walking Gait Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Forward dynamic simulations of human walking gait have typically simulated and analyzed a single step of the walking cycle, assuming symmetric and periodic gait. To enable simulations over many ...
Dynamic Modeling and Experimental Testing of a Piano Action Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model for a grand piano action is proposed in this paper. The multibody dynamic model treats each of the five main action components (key, whippen, jack, repetition lever, and hammer) as ...
Dynamic Modeling and Experimental Testing of a Piano Action Mechanism With a Flexible Hammer Shank
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The piano action is the mechanism that transforms the finger force applied to a key into a motion of a hammer that strikes a piano string. This paper presents a state-of-the-art model of a ...
Foot Placement and Balance in 3D
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Humans use carefully chosen step locations to restore their balance during locomotion and in response to perturbations. Understanding the relationship between foot placement and balance restoration ...
Partitioned Dynamic Simulation of Multibody Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Partitioned dynamic simulation of multibody systems offers the benefit of increased modularity over direct simulation, thereby allowing for the use of softwares tailored to the needs of each ...
Nonlinear Parameter Identification in Multibody Systems Using Homotopy Continuation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The identification of parameters in multibody systems governed by ordinary differential equations, given noisy experimental data for only a subset of the system states, is considered in this ...
Modeling Impacts Between a Continuous System and a Rigid Obstacle Using Coefficient of Restitution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, we discuss the limitations of the existing collocation-based coefficient of restitution method for simulating impacts in continuous systems. We propose a new method for modeling ...
Parameter Identification in Multibody Systems Using Lie Series Solutions and Symbolic Computation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies the application of the Lie series to the problem of parameter identification in multibody systems. Symbolic computing is used to generate the equations of motion and the ...
Modeling MEMS Resonators Past Pull-In
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we develop a mathematical model of an electrostatic MEMS (Micro-Electro-Mechanical systems) beam undergoing impact with a stationary electrode subsequent to pull-in. We model the ...