2010
DOI: 10.3390/s100404130
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Design and Simulation of a MEMS Control Moment Gyroscope for the Sub-Kilogram Spacecraft

Abstract: A novel design of a microelectromechanical systems (MEMS) control moment gyroscope (MCMG) was proposed in this paper in order to generate a torque output with a magnitude of 10−6 N·m. The MCMG consists of two orthogonal angular vibration systems, i.e., the rotor and gimbal; the coupling between which is based on the Coriolis effect and will cause a torque output in the direction perpendicular to the two vibrations. The angular rotor vibration was excited by the in-plane electrostatic rotary comb actuators, whi… Show more

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Cited by 8 publications
(10 citation statements)
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“…This maximum torque occurs during the centre crossing of the synchronized rotational and tilt oscillation. This torque is almost 2 orders of magnitude higher than the value estimated by [17], which can be mainly attributed to the increase in the oscillation frequency for the here proposed design.…”
Section: Simulation Results and Discussionmentioning
confidence: 60%
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“…This maximum torque occurs during the centre crossing of the synchronized rotational and tilt oscillation. This torque is almost 2 orders of magnitude higher than the value estimated by [17], which can be mainly attributed to the increase in the oscillation frequency for the here proposed design.…”
Section: Simulation Results and Discussionmentioning
confidence: 60%
“…By applying advances in computer aided design tools and electronics technologies, CMG systems have more recently been considered for small satellites [15] and [16]. It also has been considered for femto-satellites [17] and [18]. The main challenges with the creation of a MEMS CMG are the silicon micro machining technology and the control system [23].…”
Section: Control Moment Gyroscope Surveymentioning
confidence: 99%
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“…If these beams undergo the transverse deformation in a clockwise rotation, the miniature satellite rotates in counterclockwise direction in order to conserve the system angular momentum. From reference [12] MEMS control moment gyroscope is designed based on angular vibration instead of angular rotation. It consists of two orthogonal angular vibration systems, named as rotor and gimbals.…”
Section: Introductionmentioning
confidence: 99%
“…However, the torque magnitude of MEMS actuator was too small, that can not satisfy the requirement of fast atti tude changes of miniature satellite. For example, the best performance of single MEMS control moment gyroscope described in reference [12] was projected to have outputs torque magnitude of lO-6Nm only. For improving the out puts torque magnitude, an array configuration using multiple MEMS actuators as an effective element was proposed.…”
Section: Introductionmentioning
confidence: 99%