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RISThe Impact of Surface Errors on the Location and Orientation of a Cylindrical Workpiece in a Fixture
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface error at the contact region is one factor that contributes to the displacement of the workpiece in a fixture. This work employs the Newton-Raphson technique to develop a mathematical ...
Modeling and Calibration of Grid Structured Light Based 3-D Vision Inspection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The principle of structured light 3-D vision is introduced, and using projective and perspective transformations, the mathematical model of grid structured light based 3-D vision inspection is ...
Mechanics of Machining With Chamfered Tools
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Chamfered cutting tools are used in high speed machining of hardened steels due to their wedge strength. An analytic model is proposed to investigate the influence of chamfer angle and cutting ...
Groove Effects on Thrust Washer Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical model was developed to investigate the effects of groove geometry on the hydrodynamic lubrication mechanism of thrust washers. In order to achieve the objectives the isothermal, ...
Design of a Nonlinear Adaptive Controller for an Electrohydraulic Actuator1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new implementation of indirect model reference adaptive (MRA) control scheme for positioning of hydraulic actuators that operate by low-cost proportional valves. A proper ...
Nonlinear State Estimation by Adaptive Embedded RBF Modules
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A modeling compensation method is introduced to enhance the performance of the extended Kalman filter (EKF) in coping with the uncertainty of estimation model. In this method, single-input ...
On the Use of a Kolsky Torsion Bar to Study the Transient Large-Strain Response of Polymer Melts at High Shear Rates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A Kolsky torsion bar is utilized successfully in a novel rheometric experiment for measuring the transient large-strain response of polymer melts under high shear-rate loading. A molten low-density ...
Production Line Calibration for Sensors on Actively Controlled Bullets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A simple testing device is presented that simultaneously calibrates all dominant error sources for accelerometers and gyroscopes found in typical microelectromechanical inertial measurement units ...
Non-Gradient Based Parameter Sensitivity Estimation for Single Objective Robust Design Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present a method for estimating the parameter sensitivity of a design alternative for use in single objective robust design optimization. The method is non-gradient based: it is applicable ...
Thermal Effects in Thrust Washer Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical model was developed to study the thermal effects on the lubrication mechanism of radially-grooved thrust washers. A mass-conserving transient thermohydrodynamic (THD) analysis was ...