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RISA Family of Rotational Parallel Manipulators With Equal Diameter Spherical Pure Rotation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, a family of two degrees of freedom (2DOF) rotational parallel manipulators (RPMs) with an equaldiameter spherical pure rotation (ESPR) is presented and discussed systematically. The theoretical models of both ...
A Comparative Study on Motion Characteristics of Three Two Degree of Freedom Pointing Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Twodegreeoffreedom (2DOF) pointing mechanisms have been widely used in areas such as stabilized platforms, tracking devices, etc. Besides the commonly used serial gimbal structures, another two types of parallel pointing ...
Robust Visual SLAM in Dynamic Environment Based on Motion Detection and Segmentation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, we propose a robust and accurate simultaneous localization and mapping (SLAM) method for dynamic environments. Our approach combines sparse optical flow with epipolar geometric constraints to detect motion, ...
Use of Pressure Measurements to Determine Effectiveness of Turbine Rim Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ingress of hot gas through the rim seal of a gas turbine depends on the pressure difference between the mainstream flow in the turbine annulus and that in the wheelspace radially inward of the rim seal. In this paper, ...