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Search results for: harmonic
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Year: 2019, Volume: 19, Number: 4
... the saturation due to the lack of effective severe conditions. If saturated, the transformer will overheat direct signal gathering of the magnetic strength or the and generate harmful harmonics to the grid. The measurement of the dynamic magnetic flux is an effective method to observe magnetic flux in transformer iron cores [13-15]. At present ...
Year: 2021, Volume: 21, Number: 3
... this work is to use a TS- power systems, one of them is the use of the extended LMI-based nonlinear observer in order to put away the DC harmonic domain models; recent improved versions are voltage sensor used at the PV array terminals for MPPT reported in [29]. tasks. KCL L rL The ...
Year: 2013, Volume: 13, Number: 2
... , the angular frequency of the exciting force. therefore the springs can be regarded as lumped elements The expressions of the velocity and acceleration and the systematic excitation is harmonic. According to the components for the x and y directions are formulated as theory of mechanical vibration, the motion form of this v x= ‰ r ...
Year: 2013, Volume: 13, Number: 3
... linear. The results obtained are recognize arm gestures with 3D motion primitives made promising, and they show that this approach is robust and invariant to rotation by spherical harmonic basis functions. appropriate for detecting such hand gestures. Furthermore, In [5] a comparison between gesture recognition based on by using this method, we ...
Year: 2012, Volume: 12, Number: 4
... velocity estimation from noisy During the sudden RMS reduction, the dip distorts the measurements of range and bearing. Since then, they have sinusoidal wave, therefore introducing harmonics. Santoso been used for both predictions and tracking. Kalata and et al [16] have proposed a dyadic-orthonormal wavelet Murphy [21] have tried to ...
Year: 2013, Volume: 13, Number: 4
... is also known that peak current control offers fast over-current switch protection [15]. In PFC applications, the peak or valley control inherently lead to line current harmonic distortion and several solutions for reducing this distortion have been proposed [10], [11] by biasing the reference waveform. On the other side, ...
Year: 2020, Volume: 20, Number: 3
... Iqbal, H. they determined some of the sources of the noise as the proposed an analytical method to detect the acoustic noise coincidence of the squares of the harmonics of the current intensity and to calculate the radial force. The validity of the and rotor resonance frequency harmonics, frequency of the calculated radial force by using ...
Year: 2018, Volume: 18, Number: 1
... oscillators [15-17]. Thus, the newly II. DESIGN OF THE ACTIVE FREQUENCY STABILIZATION developed oscillators showed better linearity, enhanced OSCILLATOR phase noise performances, lower harmonics, and better Among the oscillators presented in Table I [3 ], the thermal stability. In [18], the BST capacitor is used in ...
Year: 2015, Volume: 15, Number: 3
... ] (1) processes and magnetic saturation cause electromagnetic 2 m 2 m ƒ— g 2 xst noise, which emerges by the interaction of the higher where: harmonics of the magnetic field of the stator and rotor [14- k €“ elasticity constant of the suspension [N /m ]; 21]. m ...
Year: 2015, Volume: 15, Number: 1
... by presenting a method for classifying domestic devices using two features: the power signature and the Figure 2. The power signature of a washing machine running a normal harmonic features. [10] This study attempts to solve the program 90 Advances in Electrical and Computer Engineering Volume 15, Number 1, 2015 A. Filtering ...
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