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RISMinimum Time Eigenaxis Rotation Maneuvers for a Spacecraft With Three Axis Reaction Wheels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a planning method of the theoretically fastest slew path, and correspondingly, an analytical openloop control law for the minimumtime eigenaxis rotation of spacecraft with three reaction wheels. The ...
Sensing Mechanism and Real-Time Computing for Granular Materials
Publisher: American Society of Civil Engineers
Abstract: The discrete element method (DEM) has been widely used to study the mechanical behavior of granular materials. However, potential error accumulation over the required large number of time steps due to the explicit time ...
Design and Analysis of an L-Shaped Micro–Nano Satellite and Its Semi-Embedded Lateral Separation Mechanism
Publisher: American Society of Civil Engineers
Abstract: AbstractTo address the critical challenges of carrying efficiency and separation safety in
multisatellite launches, an L-shaped satellite configuration with a specialized release
mechanism is proposed. This design maximizes ...
New Representative Temperature for Performance Alarming of Bridge Expansion Joints through Temperature-Displacement Relationship
Publisher: American Society of Civil Engineers
Abstract: It is important to understand the operational performance of bridge expansion joints in real time. This paper proposes a novel performance-alarming approach for bridge expansion joints using continuous temperature and ...
Numerical Simulation of the Relationship between Sediment Movement States on Rippled Bed Surfaces and Flow Structures
Publisher: American Society of Civil Engineers
Abstract: AbstractThe interactions between sediment transport and turbulent flow structures are closely
related; however, quantitative research is lacking. In this study, large eddy simulation
is combined with the discrete-element ...