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RISLagrangian Formulation of the Equations of Motion for Elastic Mechanisms With Mutual Dependence Between Rigid Body and Elastic Motions: Part II—System Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The first step in the derivation of the equations of motion for general elastic mechanism systems was described in Part I of this work. The equations were derived at the elemental level using ...
Lagrangian Formulation of the Equations of Motion for Elastic Mechanisms With Mutual Dependence Between Rigid Body and Elastic Motions: Part I—Element Level Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Equations of motion are derived using Lagrange’s equation for elastic mechanism systems. The elastic links are modeled using the finite element method. Both rigid body degrees of freedom and ...
Experimental Verification of Critical Speed Ranges for Elastic Closed Loop Linkage Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work critical speed ranges are determined and verified for an elastic four bar crank rocker mechanism where all links are modeled as elastic members. The procedure used for the dynamic ...
Dynamic Stability Considerations in Elastic Closed Loop Linkage Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work a theoretical method is developed to identify critical speeds for elastic linkage systems. Critical speeds are input operating speeds where the response of the system is larger ...
On-Line Identification and Control of Part-Preparation and Fixturing Errors in Arc Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sensing elements need to be incorporated in robotic welding systems to enable the robot to perceive and adapt to on-line variations occurring in the welding process. In this work, infrared ...
A Modal Analysis Solution Technique to the Equations of Motion for Elastic Mechanism Systems Including the Rigid-Body and Elastic Motion Coupling Terms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a modal analysis solution technique for the matrix equations of motion of elastic mechanism systems including the rigid-body elastic motion coupling terms and general damping. ...