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Adaptive control applied to Space Station attitude control system
This paper presents an adaptive control approach to enhance the performance of current attitude control system used by the Space Station Freedom. The proposed control law was developed based on theExpand
Automated Inspection Technologies: A New Paradigm for Preventive Maintenance Programs
This paper, from the 2014 Rail Conference, describes the Automatic Vehicle Inspection System (AVIS, Bombardier), a complete system that measures, analyzes, monitors, establishes trends andExpand
On-Orbit ACDS Performance of the Landsat 7 Spacecraft
Landsat 7 is part of NASA's Earth Science Enterprise (ESE). The ESE is committed to developing an understanding of the total Earth system, the effects of natural and human-induced changes on theExpand
Landsat-7 Simulation and Testing Environments
A spacecraft Attitude Control and Determination Subsystem is heavily dependent upon simulation throughout its entire development, implementation and ground test cycle. Expand
Impact of suntracking on Space Station controllability
The multibody dynamics of the Space Station is studied as affected by the suntracking motions of the photovotaic arrays. Dynamic responses are simulated for the Station being controlled by controlExpand