نتایج جستجو برای: 33 rotational matrices

تعداد نتایج: 231481  

2010
Taha Sochi Jonathan Tennyson

A comprehensive, calculated line list of frequencies and transition probabilities for the singly deuterated isotopologue of H3 , H2D +, is presented. The line list, called ST1, contains over 22 million rotational-vibrational transitions occurring between more than 33 thousand energy levels; it covers frequencies up to 18 500 cm−1. All energy levels with rotational quantum number, J, up to 20 ar...

1995
GUY FAYOLLE Guy Fayolle

A state-dependent 1-limited polling model with N queues is analyzed. The routing strategy generalizes the classical Markovian polling model, in the sense that two routing matrices are involved, the choice being made according to the state of the last visited queue. The stationary distribution of the position of the server is given. Ergodicity conditions are obtained by means of an associated dy...

2005
Matthieu Nesme Yohan Payan François Faure

This paper discusses FEM-based simulations of soft bodies in terms of speed and robustness. To be physically plausible, three fundamental laws must be respected: rotational invariance, Newton’s law and Euler’s law. We show that precomputed strain-displacement matrices generate nonphysical torques which can lead to visual artifacts. We then derive the fastest FEM-based method meeting our criteri...

Journal: :Scientific journal for the Faculty of Science-Sirte University 2022

This paper aims to generate materices of rotations in Minkowski using the Lie Derivative. The calculus on manifolds Lorentzian spaces are used matrices rotation three-dimensional Lorentz-Minkowski space which includes one axis timelike and other two spacelike axes. findings showed that their dramatically increased use derivative many branches mathematics physics, also revealed ( rotation) leave...

2003
Xin-Jun Liu JongWon Kim Kun-Ku Oh

This paper concerns the singuIariQ of the HALF parallel manipulato,: a novel three degrees of feedom (DoFs) mechanism, with revolute actuators. The parallel manipulato,: pmposed previousb, consists of a base plate, a movable platform, and three connecting legs. It has the advantages in terms of only single-DoF joints and high rotational capability The parallef manipulator has wide application i...

Journal: :یافته های تحقیقاتی در گیاهان زراعی و باغی 0
ناصر باقرانی مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان، گرگان عباسعلی نوری نیا مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان، گرگان

in order to study crop rotation, chemical control and their interactions on weeds density of wheat fields, an experiment was conducted in a split plot arrangement in randomized complete block design with three replications in gorgan agricultural research station for five years. in this study, 10 rotational crops: canola, fababean, barley, white pea, soybean, cotton, maize, sorghum, millet and w...

2001
Shih-Feng Chen Yanmei Li Imin Kao

A new discovery on the sti ness contr ol in robotics, as well as its applic ations in grasping and dextrous manipulation, is presente d. Extended from the Conservative Congruence T ransformation (CCT) theory, the new theory accounts for the change in geometry and the noncommutative rotational property of the Cartesian sti ness in grasping and dextrous manipulation using sti ness control when th...

2009
Soon-Jo Chung Umair Ahsun Jean-Jacques E. Slotine

This article presents a unified synchronization framework with application to precision formation flying spacecraft. Central to the proposed innovation, in applying synchronization to both translational and rotational dynamics in the Lagrangian form, is the use of the distributed stability and performance analysis tool, called contraction analysis that yields exact nonlinear stability proofs. T...

Journal: :The journal of physical chemistry. A 2008
Wei Zhou Hui Wu Terrence J Udovic John J Rush Taner Yildirim

Using neutron inelastic scattering and diffraction, we have studied the quantum methyl rotation in zeolitic imidazolate framework-8 (ZIF-8: Zn(MeIM)(2), MeIM = 2-methylimidazolate). The rotational potential for the CH(3) groups in ZIF-8 is shown to be primarily 3-fold in character. The ground-state tunneling transitions at 1.4 K of 334 +/- 1 mueV for CH(3) groups in hydrogenated ZIF-8 (H-ZIF-8)...

1998
Selim Sivrioglu

This paper deals with sliding mode hyperplane design for a class of linear parameter-varying (LPV) plants, the state-space matrices of which are an affine function of timevarying physical parameters. The proposed hyperplane, involving a linear matrix inequality (LMI) approach, has continuous dynamics due to scheduling parameters and provides stability and robustness against parametric uncertain...

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