Results 131 to 140 of about 79,822 (189)

Unidirectional exceptional point of reflectionless states in a magnonic mirror array. [PDF]

Sci Adv
Wang ZQ, Peng YP, Wang YP, You JQ.
europepmc   +1 more source

The effect of different abutment anti-rotation structures on short implant placement in cases of insufficient bone volume in the posterior maxillary region: a three-dimensional finite element analysis. [PDF]

BMC Oral Health
Sun B, Zhang J, Chen P, Hou H, Huang S, Hu F.   +5 more
europepmc   +1 more source

Disturbance Robust Attitude Stabilization of Multirotors with Control Moment Gyros. [PDF]

Sensors (Basel)
Yang Y, Kim S, Lee K, Leeghim H.
europepmc   +1 more source

Non-Hermitian singularities in scattering spectra of Mie resonators. [PDF]

Sci Adv
Zhang F, Solodovchenko NS, Fan H, Limonov MF, Song M, Kivshar YS, Bogdanov AA.   +6 more
europepmc   +1 more source

Ground-state orbital angular momentum lasing from liquid crystal torons embedded in a microcavity. [PDF]

Sci Adv
Muszyński M, Bobylev D, Kapuściński P, Oliwa P, Mędrzycka J, Oton E, Mazur R, Morawiak P, Piecek W, Kula P, Solnyshkov D, Malpuech G, Szczytko J.   +12 more
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Isotropic fluid structures and role of non-metricity on their dynamics governed by an electric charge: A theoretical study. [PDF]

PLoS One
Naseer T, Sharif M, Waqas M, Andrade J, Emara A.   +4 more
europepmc   +1 more source

Advantages of Singular Configurations in Robot Motion

Advantages of Singular Configurations in Robot Motion
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Singularity analysis of rooftop configuration

2018 Indian Control Conference (ICC), 2018
Control Moment Gyroscopes are widely used momentum exchange devices with spinning rotors and one or more actuated gimbals. The primary problem associated with a control moment gyroscope array is the existence of singularities. Singularities occur when the torque vector is constrained to a plane or a line and hence torque cannot be generated in IR3 ...
T. S. Vishnu, Harsha Simha, null Priyadarshnam   +2 more
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Singular configurations of planar parallel manipulators

Archives of Civil and Mechanical Engineering, 2006
The paper deals with determining singular configurations for a group of 3 DOF planar parallel manipulators whose links form revolute and prismatic pairs. Relations for Jacobian matrix determinants for selected mechanisms are derived. The form of the equations differs depending on the structure of the inner part of the manipulators belonging to the ...
A. GRONOWICZ, M. PRUCNAL-WIESZTORT
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