Results 221 to 230 of about 2,837,009 (266)
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Retraction balancing and formation control
2015 54th IEEE Conference on Decision and Control (CDC), 2015We consider a formation control problem in which a collection of systems is ought to attain a balanced configuration on a submanifold of their state space. The submanifold thus determines the shape and position of the desired formation. We solve the formation control problem by simultaneously balancing the retractions of the systems onto the ...
Jan Maximilian Montenbruck +2 more
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Controlling Microdroplet Formation by Light
Langmuir, 1998A surface with photocontrollable wetting behavior is introduced. A monolayer of a polymeric material containing 4‘-[trifluormethoxy-4,4‘-dibenzoazo] dyes in the side chains has been transferred on ...
Möller, G. +3 more
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Geometry and control of satellite formations
Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334), 2000Satellite formations based on the solutions to Hill's equations have relatively simple geometric shapes. This paper shows that all such formations around a leader satellite in a circular orbit are determined by the intersection of a plane and an elliptic cylinder of eccentricity /spl radic/3/2. In a moving coordinate system fixed to the leader.
Hsi-Han Yeh, Andrew Sparks
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Formation control with collision avoidance
IEEE Conference on Decision and Control and European Control Conference, 2011We present a formation flight control strategy featuring a collision avoidance scheme. The control algorithm is based on a Sliding Mode controller. The controller sliding surfaces account for aircraft maneuvering limitations, restricting the required velocities to a feasible set.
Ricardo Bencatel +3 more
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Formation control of robotic vehicles
2005 IEEE International Conference on Robotics and Biomimetics - ROBIO, 2005In this paper, the problem of formation control of robotic vehicles is studied. For a general formation (path, tree, or net) with one leader, a decentralized controller is proposed that yields exponential stability of the formation.
Zheng Wang +2 more
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Remarks on ISS and formation control
2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601), 2004For a leader/follower formation of autonomous mobile agents, the concept of input-to-state stability has been proposed recently as a valid tool to relate the influence of the motion of the leader to the formation error. The ISS approach is quite promising, as it allows great flexibility in the formation topology, and yields computable gains relating ...
Xingping Chen, Andrea Serrani
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Bifurcation Control, Manufacturing Planning and Formation Control
自动化学报, 2005The paper consists of three topics on control theory and engineering applications, namely bifurcation control, manufacturing planning, and formation control. For each topic, we summarize the control problem to be addressed and some key ideas used in our recent research. Interested readers are referred to related publications for more details.
Song, Mumin, Kang, Wei, Xi, Ning
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Central control of bone formation
Journal of Bone and Mineral Metabolism, 2001Vertebrates constantly remodel bone to maintain a constant bone mass. Bone remodeling comprises two phases: bone resorption by the osteoclasts followed by bone formation by the osteoblasts. Although the prevailing view about the control of bone remodeling is that it is an autocrine/paracrine phenomenon, the bone resorption arm of bone remodeling is ...
S, Takeda, G, Karsenty
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A feedback architecture for formation control
Proceedings of the 2000 American Control Conference. ACC (IEEE Cat. No.00CH36334), 2000This paper addresses the problem of coordinating multiple spacecraft to fly in tightly controlled formations. The main contribution of the paper is to introduce a coordination architecture that subsumes leader-following, behavioral, and virtual-structure approaches to the multi-vehicle coordination problem.
Randal W. Beard +2 more
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Genes that control the formation of the liver
Hepatology, 1994The proto-oncogene c-jun is the cellular homologue of v-jun, the transforming oncogene of the avian sarcoma virus 17. c-jun encodes one major component of the AP-1 transcription factor complex and is expressed in many organs during mouse development and in the adult.
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