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RISOn the Solutions of Interval Systems for Under-Constrained and Redundant Parallel Manipulators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For under-constrained and redundant parallel manipulators, the actuator inputs are studied with bounded variations in parameters and data. Problem is formulated within the context of force analysis. Discrete and analytical ...
On the Solution Set for Positive Wire Tension With Uncertainty in Wire Actuated Parallel Manipulators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The solution for positive wire tension vector in the presence of uncertainties in design parameters and error in data is investigated for parallel manipulators. The minimum 2norm nonnegative solution and enclosures for the ...
Wrench Accuracy for Parallel Manipulators and Interval Dependency
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the wrench accuracy for parallel manipulators is examined under variations in parameters and data. The solution sets of actuator forces/torques are investigated utilizing interval arithmetic (IA). Implementation ...
Deflection Maps of Planar Elastic Catenary Cable-Driven Robots
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the cable tension and platform deflection of cable-driven robots are studied. The significance of cable density, elasticity, and cross-sectional area; platform mass, radius, and center of mass; the external ...
Neural Network-Based Transfer Learning of Manipulator Inverse Displacement Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the feasibility of applying transfer learning for modeling robot manipulators is examined. A neural network-based transfer learning approach of inverse displacement analysis of robot manipulators is studied. ...
Successive Softening and Cyclic Damage in Viscoplastic Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A successive initiation finite element modeling approach is presented in which an empirical continuum damage model, energy partitioning damage evolution model, developed by the author is used to ...
Structural Size Effect on Mechanical Behavior of Intermetallic Material in Solder Joints: Experimental Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The elastic and plastic mechanical properties of intermetallic compound (IMC) phases of a leadfree Sn3.5Ag/Cusubstrate soldering system are investigated in different sized joints using nanoindentation. The specimens were ...
Water Column Separation and Cavity Collapse for Pipelines Protected with Air Vacuum Valves: Understanding the Essential Wave Processes
Publisher: American Society of Civil Engineers
Abstract: Elevated high points along a pipeline profile are the most common places where air vacuum valves (AVVs) are installed. This paper uses basic water hammer theory to semianalytically explore the effects of such AVVs. A simple ...
Transition of Crack Propagation Path Under Varied Levels of Load in Bimodal Grain Size Al-Mg Alloy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical fatigue crack nucleation and propagation is modeled in bimodal grain size aluminum alloy. A multiscale modeling approach in conjunction with a continuum based damage modeling technique, ...
Analysis of Active Joint Failure in Parallel Robot Manipulators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, the effect of active joint failure on the mobility, velocity, and static force of parallel robot manipulators is investigated. Two catastrophic active joint failure types are ...