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RISStability of Nonclassical Relative Equilibria of a Rigid Body in a J2 Gravity Field
Publisher: American Society of Civil Engineers
Dynamic interaction between tectonic plates, subducting slabs, and the mantle
Publisher: American Meteorological Society
Abstract: Mantle convection models have been formulated to investigate the relation between plate kinematics and mantle dynamics. The cylindrical geometry models incorporate mobile, faulted plate margins, a phase change at 670 km ...
Periodical Motion of a Tethered Satellite System around Collinear Libration Points
Publisher: American Society of Civil Engineers
Abstract: This paper studies the motion of a rotational tethered satellite system flying around collinear Lagrangian points of the Earth-Moon system. Equations of spatial motion of the mass center and the tether libration are deduced, ...
Vibration Isolation Platform for Control Moment Gyroscopes on Satellites
Publisher: American Society of Civil Engineers
Abstract: The vibration isolation platform of control moment gyroscopes (CMGs) on satellites is discussed. First, the theory of single-axis vibration isolation is presented and an isolation scheme for CMGs is put forward and applied ...
Gravitational Orbit-Rotation Coupling of a Rigid Satellite around a Spheroid Planet
Publisher: American Society of Civil Engineers
Abstract: Gravitational orbit-rotation coupling of a rigid satellite around a planet, which is considered a spheroid with the gravitational potential calculated up to coefficient
Fault Tolerant Attitude Control for Small Satellites Using Single Gimbal Control Moment Gyros and Magnetic Torquers
Publisher: American Society of Civil Engineers
Abstract: A fault tolerant control scheme is proposed for the attitude stabilization of a small satellite using single gimbal control moment gyros (SGCMGs) and magnetic torquers (MTQs). The dynamic model of a rigid spacecraft using ...
Optimal Low-Thrust Transfers to Lunar L1 Halo Orbit Using Variable Specific Impulse Engine
Publisher: American Society of Civil Engineers
Abstract: Given the advantages of variable specific impulse (VSI) engine, it is very likely that in the future there will be deep space missions that use this thrust as propulsion system. In this study, a design technique for a fuel ...
Multimodal Vibration Control of Photo Electric Laminated Thin Cylindrical Shells Via Self Organizing Fuzzy Sliding Mode Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a novel multipiece actuator configuration is first proposed. This configuration exhibits several advantages over the existing ones, such as: (1) the ability to overcome the deficiency of oneway actuation of ...
Modeling Mechanical Response of a Perpetual Pavement Test Road
Publisher: American Society of Civil Engineers
Abstract: In order to model perpetual pavement response, the traffic loads, pavement temperature, and mechanics responses collected from the Shandong perpetual pavement test road were used to develop axle load spectrums, temperature ...
Stochastic Optimal Maneuver Strategies for Transfer Trajectories
Publisher: American Society of Civil Engineers
Abstract: After being initially launched into the parking orbit, a spacecraft usually implements several maneuvers to insert its nominal orbit as the geostationary orbit for global communication, a Halo orbit to survey the solar ...