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RISMulti-Body Impact Motion with Friction—Analysis, Simulation, and Experimental Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When a multi-body system collides with a single body or with another multi-body system, impact dynamics with friction should be considered. This paper presents a general computer oriented analysis ...
‘Perfect’ Spring Equilibrators for Rotatable Bodies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new equilibrator design approach based on system potential energy functions is presented. This approach was used to discover a group of spring equilibrators which perfectly balance a rotatable ...
Simulation of Planar Dynamic Mechanical Systems With Changing Topologies—Part 1: Characterization and Prediction of the Kinematic Constraint Changes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to changes in the kinematic constraints, many mechanical systems are described by discontinuous equations of motion. This paper addresses those changes in the kinematic constraints which are ...
An Analytical Method for Computing the Instant Centers, Centrodes, Inflection Circles, and Centers of Curvature of the Centrodes by Successively Grounding Each Link
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical method is presented for determining the instant centers, centrodes, inflection circles, and centers of curvature of the centrodes of a mechanism. The method uses the vector loop ...
Simulation of Planar Dynamic Mechanical Systems With Changing Topologies—Part 2: Implementation Strategy and Simulation Results for Example Dynamic Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Part 2 presents a technique which uses the general point to line kinematic constraint equation presented in part 1 coupled with an incidence matrix to automatically reformulate the kinematic ...
The Determination of the Probabilistic Properties of Velocities and Accelerations in Kinematic Chains With Uncertainty
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A probabilistic model and methods to determine the means and variances of the velocity and acceleration within stochastically-defined planar pin jointed kinematic chains are presented. The presented ...
Elastic Potential Synthesis—A Generalized Procedure for Dynamic Synthesis of Machine and Mechanism Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: By synthesizing a mechanism to govern the deflection of a linear spring, this paper presents a method to generate a specified elastic potential energy function. This synthesis approach, termed ...
The Incorporation of Arc Boundaries and Stick/Slip Friction in a Rule-Based Simulation Algorithm for Dynamic Mechanical Systems with Changing Topologies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many dynamic mechanical systems, such as parts-feeders and percussive power tools, are described by equations of motion which are discontinuous. The discontinuities result from kinematic constraint ...
Dimensional Tolerance Allocation of Stochastic Dynamic Mechanical Systems Through Performance and Sensitivity Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Uncertainties due to random dimensional tolerances within stochastic dynamic mechanical systems lead to mechanical errors and thus, performance degradation. Since design standards do not exist for ...
Perfect Equilibrators for Rigid Body Spatial Rotations About a Hooke’s Joint
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Perfect spring equilibrator designs are identified which eliminate the effects of gravity on spatial rotations of a rigid body. The rigid body is connected to ground via a Hooke’s joint and ...