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Robot manipulators have become a significant tool for production industries due to their advantages in high speed, accuracy, safety, and repeatability. This paper simulates and optimizes the design of a 3-DOF articulated robotic manipulator…

机器人学 · 计算机科学 2024-09-10 Md Saad , Sajjad Hussain

The purpose of this paper is to propose a continuum micromechanics model for the simulation of uniaxial compressive and tensile tests on lime-based mortars, in order to predict their stiffness, compressive and tensile strengths, and tensile…

材料科学 · 物理学 2016-12-07 Václav Nežerka , Jiří Nemeček , Jan Zeman

Using the conventional approach of superposing plane waves, it is not possible to create a strictly isotropic turbulent magnetic field structure that obeys all physical constraints, which are (i) equal mean of all magnetic field components;…

计算物理 · 物理学 2013-06-17 R. C. Tautz

We consider two parallel corrugated plates and show that a Casimir torque arises when the corrugation directions are not aligned. We follow the scattering approach and calculate the Casimir energy up to second order in the corrugation…

量子物理 · 物理学 2008-07-18 Robson B. Rodrigues , Paulo A. Maia Neto , Astrid Lambrecht , Serge Reynaud

In this paper, a novel approach for parallel kinematic machine control relying on a fast exteroceptive measure is implemented and validated on the Orthoglide robot. This approach begins with rewriting the robot models as a function of the…

机器人学 · 计算机科学 2008-10-16 Flavien Paccot , Philippe Lemoine , Nicolas Andreff , Damien Chablat , Philippe Martinet

This paper explains the phenomenon of current circulation and the resulting electromagnetic torque generation in electric machines employing delta windings. The description entails a systematic assessment of the electrical and magnetic…

系统与控制 · 电气工程与系统科学 2023-10-11 Prerit Pramod

The exact solution of the two-dimensional (2D) Ising model at an external magnetic field is derived by a modified Clifford algebraic approach. At first, the transfer matrices are analyzed in three representations, i.e., Clifford algebraic…

综合物理 · 物理学 2026-03-12 Zhidong Zhang

We compute the spin-orbit torque in a transition metal heterostructure using Slater-Koster parameterization in the two-center tight-binding approximation and accounting for d-orbitals only. In this method, the spin-orbit coupling is modeled…

介观与纳米尺度物理 · 物理学 2020-06-24 G. Manchon , S. Ghosh , C. Barreteau , A. Manchon

We develop a formalism for the calculation of the flow of angular momentum carried by the fluctuating electromagnetic field within a cavity bounded by two flat anisotropic materials. By generalizing a procedure employed recently for the…

量子物理 · 物理学 2009-11-11 José C. Torres-Guzmán , W. Luis Mochán

An accurate method is developed to extract the spin-orbit effective fields through analysis of the results of harmonic Hall voltage measurements by deriving detailed analytical equations, in which both the z-component of the applied…

材料科学 · 物理学 2017-12-05 Seok Jin Yun , Eun-Sang Park , Kyung-Jin Lee , Sang Ho Lim

This paper deals with the solution of Maxwell's equations to model the electromagnetic fields in the case of a layered earth. The integrals involved in the solution are approximated by means of a novel approach based on the splitting of the…

数值分析 · 数学 2023-01-04 Eleonora Denich , Paolo Novati , Stefano Picotti

The partition function of the two-dimensional Ising model with zero magnetic field on a square lattice with m x n sites wrapped on a torus is computed within the transfer matrix formalism in an explicit step-by-step approach inspired by…

统计力学 · 物理学 2013-05-29 Boris Kastening

Simple algorithm of dynamics of Ising magnetic is described. The algorithm can be implemented on conventional digital computer and can be used for construction of specialized processor for simulation of ferromagnetic systems. The algorithm…

统计力学 · 物理学 2008-04-07 G. G. Kozlov

Switched Reluctance Motors (SRMs) enable power-efficient actuation with mechanically simple designs. This paper aims to identify the nonlinear relationship between torque, rotor angle, and currents, to design commutation functions that…

系统与控制 · 电气工程与系统科学 2023-10-02 Max van Meer , Rodrigo A. González , Gert Witvoet , Tom Oomen

The exact solution of Schrodinger equation for atoms, molecules and extended systems continues to be a "Holy Grail" problem that the entire field has been striving to solve since its inception. Recently, breakthroughs have been made in the…

量子物理 · 物理学 2016-11-04 Rongxin Xia , Teng Bian , Sabre Kais

Spin-orbit torque in heavy metal/ferromagnet heterostructures with broken spatial inversion symmetry provides an efficient mechanism for manipulating magnetization using a charge current. Here, we report the presence of a spin torque in a…

介观与纳米尺度物理 · 物理学 2019-05-29 Ziyan Luo , Qi Zhang , Yanjun Xu , Yumeng Yang , Xinhai Zhang , Yihong Wu

We present a mass lumping approach based on an isogeometric Petrov-Galerkin method that preserves higher-order spatial accuracy in explicit dynamics calculations irrespective of the polynomial degree of the spline approximation. To…

计算工程、金融与科学 · 计算机科学 2023-09-29 Thi-Hoa Nguyen , René R. Hiemstra , Sascha Eisenträger , Dominik Schillinger

Torque is ubiquitous in many molecular systems, including collisions, chemical reactions, vibrations, electronic excitations and especially rotor molecules. We present a straightforward theoretical method based on forces acting on atoms and…

化学物理 · 物理学 2016-11-23 Rui-Qin Zhang , Yan-Ling Zhao , Fei Qi , Klaus Hermann , Michel A. Van Hove

The induction motors have wide range of applications for due to its well-known advantages like brushless structures, low costs and robust performances. Over the past years, many kind of control methods are proposed for the induction motors…

系统与控制 · 计算机科学 2015-08-07 Fatih Korkmaz , İsmail Topaloğlu , Hayati Mamur

A higher-order Suzuki-Trotter decomposition or Trotterization can be exploited to mitigate the Trotter error in digital quantum simulation. This work revisits the second-order symmetric Trotterization in terms of the Trotter error, where…

量子物理 · 物理学 2026-03-10 Yeonghun Lee