Results 51 to 60 of about 2,722 (144)

Nonlinear response of magnetization obeying inertial dynamics to superimposed dc and ac fields and dynamic magnetic hysteresis

AIP Advances
The nonlinear ac stationary responses of magnetization and the dynamic magnetic hysteresis of ferromagnetic particles with uniaxial anisotropy acted on by both external dc and ac magnetic fields are evaluated by employing the inertial Landau–Lifshitz ...
Sergei V. Titov, William J. Dowling, Anton S. Titov, Andrey S. Fedorov   +3 more
doaj   +1 more source

The Nutation Damping Control of a Spacecraft [PDF]

Journal of Astronomy and Space Sciences, 1994
In this paper, the Variable Structure System(VSS) theory with new continuous switching dynamic equation is used to design an automatic controller for the active nutation damping in momentum bias stabilized spacecraft.
Chang-Hoon Lee
doaj  

Study on the dynamic load sharing characteristics of nutation face gear transmission

Discover Applied Sciences
The nutation face gear transmission is a type of power splitting, and the effects of system parameters such as stiffness and transmission error on load distribution are not yet well understood. The Load Tooth Contact Analysis (LTCA) technique was used to
Wang Li, Yufeng Gao, Jingzi Zhang
doaj   +1 more source

How flagellated bacteria wobble

Physical Review Research
The wobbling motion of flagellated bacteria significantly influences their swimming behavior, yet its dynamics remains poorly understood, primarily due to the difficulty in tracking the 3D orientations of both the flagellar bundle and the cell body. Here,
Chen Gui, Mingxin Mao, Pu Feng, Yuxin Shen, Xiangjun Gong, Gerhard Gompper, Jinglei Hu   +6 more
doaj   +1 more source

3-D Micro-Motion Features Estimation of Smooth Symmetric Nutating Cone Based on Monostatic Radar

Remote Sensing
Micro-motion features of targets, such as nutation and coning, play a crucial role in radar-based target recognition and classification. This paper addresses the challenge of extracting three-dimensional micro-motion parameters from smooth symmetric ...
Fulong Xu, Ying Luo, Hang Yuan, Zhihao Wang, Kaiming Li   +4 more
doaj   +1 more source

Laser Backscattering Analytical Model of Doppler Power Spectra about Convex Quadric Bodies of Revolution during Precession

Remote Sensing
In the realm of ballistic target analysis, micro-motion attributes, such as warhead precession, nutation, and decoy oscillations, play a pivotal role. This paper addresses these critical aspects by introducing an advanced analytical model for assessing ...
Yanhui Li, Hua Zhao, Ruochen Huang, Geng Zhang, Hangtian Zhou, Chenglin Han, Lu Bai   +6 more
doaj   +1 more source

Estimation of free core nutation parameters and availability of computing options

Geodesy and Geodynamics
The Earth's Free Core Nutation (FCN) causes Earth tides and forced nutation with frequencies close to the FCN that exhibit resonance effects. High-precision superconducting gravimeter (SG) and very long baseline interferometry (VLBI) provide good ...
Weiwei Yang, Xiaoming Cui, Jianqiao Xu, Qingchao Liu, Ming Qin   +4 more
doaj   +1 more source

潜油螺杆泵用进动式减速机的设计与试验

Jixie chuandong, 2005
The 2K-H nutation mechanism of gear roller mesh is applied to the reducer which drive a petroleum exploitation screw pump under ground. A new nutating reducer was designed and manufactured, and through the test, satisfied result was acquired.
田方, 陶柯, 姜芳
doaj  

Analysis on the Influence Factors of Bulk Temperature of the Meshing Gear of a Nutation Drive with a Double Circular-arc Spiral Bevel Gear

Jixie chuandong
The meshing temperature affects the fatigue, vibration, noise and other behaviors in the nutation transmission process of the double circular-arc spiral bevel gear, which cannot be ignored in the life prediction and mechanical response of the double ...
Chen Ying, Yao Ligang, Wang Xingsheng, Zhang Dawei, Wang Xueying   +4 more
doaj  

Asteroid Nutation Angles [PDF]

Monthly Notices of the Royal Astronomical Society, 1973
J. A. Burns, V. S. Safronov, T. Gold
openaire   +1 more source