Search Results - "Hadaegh, F.Y."

A coordination architecture for spacecraft formation control by Beard, R.W., Lawton, J., Hadaegh, F.Y.

“…This paper addresses the problem of coordinating multiple spacecraft to fly in tightly controlled formations. The main contribution of the paper is to…”
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Cooperative control of a magnetically levitated Interferometer: experimental study by Wang, P.K.C., Yee, J., Xia, C.Y., Mokuno, M., Hadaegh, F.Y.

“…An experimental study is made on the effectiveness of simple cooperative controls for the optical elements of a laboratory interferometer in interference…”
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Parallel estimation and control architectures for deep-space formation flying spacecraft by Smith, R.S., Hadaegh, F.Y.

“…The formation flying of precisely controlled spacecraft in deep space can be used to implement optical instruments capable of imaging planets in other solar…”
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Decentralized Estimation and Control in High Precision Spacecraft Formations: Comparison Studies by Smith, R.S., Subbotin, M.V., Hadaegh, F.Y.

“…High-precision formation flying missions can implement very large science instruments, but require a very high level of coordination and control. Two…”
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A survey of spacecraft formation flying guidance and control (part 1): guidance by Scharf, D.P., Hadaegh, F.Y., Ploen, S.R.

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Computation of static shapes and voltages for micromachined deformable mirrors with nonlinear electrostatic actuators by Wang, P.K.C., Hadaegh, F.Y.

“…In modeling micromachined deformable mirrors with electrostatic actuators whose gap spacings are of the same order of magnitude as those of the surface…”
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A distributed parallel estimation architecture for cooperative vehicle formation control by Smith, R.S., Hadaegh, F.Y.

“…Parallel estimation architectures have significant advantages in precisely controlled vehicle formations such as space-based high-resolution imaging…”
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Formation flying control of multiple spacecraft via graphs, matrix inequalities, and switching by Mesbahi, M., Hadaegh, F.Y.

“…Ideas from elementary graph theory and linear matrix inequalities are combined with logic-based switching to shed light on the various control strategies which…”
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Control topologies for deep space formation flying spacecraft by Smith, R.S., Hadaegh, F.Y.

“…A deep space satellite formation can be specified in terms of the relative satellite positions and absolute satellite orientations. Redundancy in the relative…”
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New millennium ST6 autonomous rendezvous experiment (ARX) by Kornfeld, R.P., Bunker, R.L., Cucullu, G.C., Essmiller, J.C., Hadaegh, F.Y., Christian Liebe, C., Padgett, C.W., Wong, E.C.

“…This paper presents an overview of the new millennium Space Technology 6 (ST6) Autonomous Rendezvous Experiment (ARX) mission and system. ARX is to be hosted…”
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A survey of spacecraft formation flying guidance and control. Part II: control by Scharf, D.P., Hadaegh, F.Y., Ploen, S.R.

“…Formation flying is defined as a set of more than one spacecraft whose states are coupled through a common control law. This paper provides a comprehensive…”
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Parallel Estimation and Control Architectures for Deep-Space Formation Flying Spacecraft by Hadaegh, F.Y., Smith, R.S.

“…Precision formation flying in deep space can be used to implement optical instruments capable of imaging planets in other solar systems. The distance of the…”
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Energy optimal reconfiguration for large scale formation flying by Sultan, C., Seereeram, S., Mehra, R.K., Hadaegh, F.Y.

“…An efficient method for energy optimal reconfiguration of formation flying involving multiple spacecraft is presented. The idea is to introduce a set of…”
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Fuel optimized rotation for satellite formations in free space by Beard, R.W., Hadaegh, F.Y.

“…This paper considers the problem of rotating a formation of satellites from one orientation to another, using an optimal amount of fuel. The formation is…”
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A feedback architecture for formation control by Beard, R.W., Lawton, J., Hadaegh, F.Y.

“…This paper addresses the problem of coordinating multiple spacecraft to fly in tightly controlled formations. The main contribution of the paper is to…”
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A direct solution for fuel-optimal reactive collision avoidance of collaborating spacecraft by Scharf, D.P., Acikmese, A.B., Ploen, S.R., Hadaegh, F.Y.

“…We develop a reactive collision avoidance (RCA) algorithm for multiple spacecraft collaborating in deep space. The RCA algorithm calculates a fuel-optimal…”
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Mode and logic-based switching for the formation flying control of multiple spacecraft by Mesbahi, M., Hadaegh, F.Y.

“…Mode and logic-based switching for formation flying control is motivated and addressed in the context of separated spacecraft optical interferometry. It is…”
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Rigid body equations of motion for modeling and control of spacecraft formations. Part 1: Absolute equations of motion by Ploen, S.R., Hadaegh, F.Y., Scharf, D.P.

“…In this paper, we present a tensorial (i.e., coordinate-free) derivation of the equations of motion of a formation consisting of N spacecraft each modeled as a…”
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Finite thrust control for satellite formation flying with state constraints by Beard, R.W., Hadaegh, F.Y.

“…This paper considers the problem of rotating a constellation of spacecraft using on/off thrusters such that the relative distance between the spacecraft is…”
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A model predictive control-based approach for spacecraft formation keeping and attitude control by Manikonda, V., Arambel, P.O., Gopinathan, M., Mehra, R.K., Hadaegh, F.Y.

“…In this paper we report on the application of a model predictive control-based approach to the design of a controller for formation keeping and formation…”
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