A singularity-robust control moment gyro (CMG) steering logic, developed previously, is a
simple yet effective way of passing through, and also escaping from, any internal …

The singularity problem inherent in redundant single-gimbal control moment gyro (CMG)
systems is examined. It is intended to provide a comprehensive mathematical treatment of …

This study surveys the developments in satellite attitude determination and control system,
especially for microsats. This survey is not intended to be complete but is limited to the most …

In this paper, a novel structure of four degrees of freedom (4-DOF) hybrid magnetic bearing
is proposed for double gimbal magnetically suspended control momentum gyro …

This article presents a novel 3D inverted pendulum that can balance on one of its corners
using only a single reaction wheel. This is achieved by a careful design of the mass moment …

This paper examines various control strategies for a marine gyrostabilizer system, including
passive and derivative-based control methods and proposes two new marine gyrostabilizer …

Maximizing the utility of limited Earth observing satellite resources is a difficult ongoing
problem. Dynamic Targeting is an approach to this challenge that intelligently plans and …

In this paper, the design and robust scheduling of a nano-satellite (nanosat) swarm is
presented for synthetic aperture radar (SAR) applications. Based on the power budget and …

An optical flow-based technique is proposed to estimate spacecraft angular velocity based
on sequences of star-field images. It does not require star identification and can be thus …

A sub-optimal singularity avoidance large angle rest-to-rest attitude maneuver control of a
rigid spacecraft actuated using a double-gimbal variable-speed control moment gyro …