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Inertia Matrix Singularity of Series-Chain Spatial Manipulators With Point Masses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Often, the dynamic behavior of multi-degree-of-freedom mechanical systems such as robots and manipulators is studied by computer simulation. An important step in this simulation is the inversion ...
Inflow Turbulence Generation for Eddy Resolving Simulations of Turbomachinery Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simple variant of recycling and rescaling method to generate inflow turbulence using unstructured grid computational fluid dynamics (CFD) codes is presented. The method has been validated on large eddy simulation (LES) ...
Combined Torsional-Bending-Axial Dynamics of a Twisted Rotating Cantilever Timoshenko Beam With Contact-Impact Loads at the Free End
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, consideration is given to the dynamic response of a rotating cantilever twisted and inclined airfoil blade subjected to contact loads at the free end. Starting with the basic ...
On General Conditions of Rotordynamic Stability Under Combined Axial Forces and Torque
Publisher: The American Society of Mechanical Engineers (ASME)
Transient Vibratory Response of Turbofan Engine Rotor Impacted by Bird Strike
Publisher: ASCE
Abstract: This paper presents a semiclosed-form physics-based rotordynamic analysis which determines the transient bird-strike load at the blade root and at the support bearings of a rotating fan shaft. This research considered a ...
Modeling Pipe Break Data Using Survival Analysis with Machine Learning Imputation Methods
Publisher: ASCE
Abstract: The development of asset life estimation tools based on historical data is essential to the effective management of pipeline assets. One tool that may assist with asset management is survival analysis. However, left-truncated ...
Band-Limited Trajectory Planning and Tracking for Certain Dynamically Stabilized Mobile Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a general framework for trajectory planning and tracking is formulated for dynamically stabilized mobile systems, e.g., inverted wheeled pendulums and autonomous helicopters. Within ...
Robust Adaptive Controllers for Interconnected Mechanical Systems: Influence of Types of Interconnections on Time-Invariant and Time-Varying Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We investigate robust adaptive controller designs for interconnected systems when no exact knowledge about the structure of the nonlinear interconnections between various subsystems is available. ...
Linear Time-Varying Dynamic Systems Optimization via Higher-Order Method Using Shifted Chebyshev’s Polynomials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For optimization of classes of linear time-varying dynamic systems with n states and m control inputs, a new higher-order procedure was presented by the authors that does not use Lagrange ...
Linear Time-Varying Dynamic Systems Optimization via Higher-Order Method: A Sub-Domain Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new procedure for optimization of linear time-varying dynamic systems has been proposed that uses transformations to embed the dynamic equations explicitly into the cost functional. This leads ...
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