نتایج جستجو برای: angular acceleration
تعداد نتایج: 119537 فیلتر نتایج به سال:
Abstract— Adaptive Nonlinear Model Predictive Controller (ANMPC) can estimate system’s parameters and detect a fault of actuators based on relationship between past control inputs and states variables of systems, and estimated parameters are need for calculating a control input in next step. In this paper, for applying this ANMPC to real systems, performance verification of ANMPC using an appro...
This project determined the spinal rotation during gait walking and compared an experimental group of subjects trained in the Core Integration Method to a control group. The angle of the spine was measured using a potentiometer which calculated the movement of the back at the T12 vertebra in the transverse plane. The average angles of the experimental group were 37.1% higher than the control gr...
ar X iv : a st ro - p h / 03 06 25 3 v 1 1 2 Ju n 20 03 Is there a Gravitational Thomas Precession ?
Gravitational Thomas Precession ( GTP ) is the name given to Thomas Precession when the acceleration is caused by a gravitational force field. The contribution of the GTP to the the anomalous perihelion advance of the orbit of Mercury is here estimated at ̇̃ ωGTP = 21 · 49 [ 1 + ( ~ L · ~ S ) L ] arcsec/century ,where ~ L and ~ S respectively represents the orbital angular momentum and the spin a...
We measured the net work performed at hind limb joints in running turkeys to determine the source of mechanical power for acceleration. We tested the hypothesis that net mechanical work per step increases in proportion to acceleration at all four major hind limb joints (hip, knee, ankle and tarsometatarsal-phalangeal joint). This hypothesis was based on the idea that all hind limb muscles shoul...
The discrete kinetic model is used to study the propagation of sound waves in system of hard-disk-like rotating stars (or vortex gases). The anomalous (negative) attenuation or amplification which is possibly due to the binary collision of a dilute-enough rotating disk (or vortex-gas) system (each with opposite-sign rotating direction or angular momenta but the total (net) angular momenta or vo...
We examine the hypothesis that within any member of a significant class of close binary asteroid systems with super-synchronously rotating, roughly spheroidal primary and synchronous elongated secondary, continued YORP angular acceleration of the primary causes it to spin at rates where loose material near its equator is lofted from the surface. Subsequent interaction of the material with the s...
Internal combustion (IC) engine is a complex power generating machines and used widely in automotive industry, which the failure rate is high. Carrying out the IC engine fault diagnostic methods have been studied and still a lasting topic for scientists. Crankshaft instantaneous angular acceleration, which evaluated by second derivative of the crankshaft rotation respect to time contains a litt...
New forms of electron beams have been intensively investigated recently, including vortex beams carrying orbital angular momentum, as well as Airy beams propagating along a parabolic trajectory. Their traits may be harnessed for applications in materials science, electron microscopy, and interferometry, and so it is important to measure their properties with ease. Here, we show how one may imme...
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