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Search results for: frequency
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Year: 2014, Volume: 14, Number: 3
... of a connected in parallel with the capacitor, being PWM (Pulse two speed single phase induction motor drive is presented. The Width Modulation) controlled at supply frequency (Fig. 1). ECC solution and the method with solution with a fixed value capacitor are comparatively analyzed in terms of efficiency and maximum torque availability ...
Year: 2009, Volume: 9, Issue: 3
... a virtual model and recognition of facial The log Gabor filters are known to provide excellent expression. These recognition tasks have focused on the simultaneous localization of spatial and frequency classification of emotional expressions [1 ], classification of information, however the dimensionality of the resulting complex mental states [2] or the automatic recognition of ...
Year: 2017, Volume: 17, Number: 2
... , the following blocks were used: torque; T L – load torque; Ω m – mechanical rotor angular SM – synchronous motor; speed. FC – frequency converter; The electrical rotor speed is given by the derivative of the T 3/2 – block of the Clarke transformation; electrical rotor angle: PWM ...
Year: 2010, Volume: 10, Issue: 4
... topology of the is obviously that the last must be as small as possible in inverter is chosen in accordance with the commutation table order to achieve a convenient switching frequency. [7]. The requested action is delivered by two hysteresis In simulation it is possible to choose a fixed step size as discrete controllers which give ...
285. Accurate Modeling of a Transverse Flux Permanent Magnet Generator Using 3D Finite Element Analysis
Year: 2011, Volume: 11, Number: 3
... can be significantly reduced by of stator cores) and n rps  stands for the rotational speed, combining three single phase modules into a three phase then the frequency of output voltage is determined exactly machine. as it would be for a synchronous machine, i.e., Digital Object Identifier 10.4316/AECE.2011.03019 115 1582-7445© ...
Year: 2011, Volume: 11, Number: 2
... of the motor for both speeds. motor represented the best solution for variable speed A comparison between motors with two distinct windings applications. Then, the development of frequency converters and with one winding with switchable number of poles based on transistors and later on other powerful "electronic proves a better utilization of the machine for the ...
Year: 2016, Volume: 16, Number: 4
... of Technical Sciences, Novi Sad, 21000, Serbia sgoran@uns.ac.rs 1 Abstract — This paper presents the prototype of a capacitive planar electrodes exited by a high frequency signal to angular position/velocity sensor which exploits the advantages measure capacitance [8]. One approach uses two (usually of flexible/printed electronics. ...
Year: 2014, Volume: 14, Number: 1
... aircraft; IEEE 1394b [3] is used in number of elements. The amount of elements depends on unmanned vehicles and tactical military aircraft. For the what frequency the given flight or aircraft parameter will be proposed aircraft on-board electronic system, the Controller transmitted at, on the number of flight parameters and on the Area ...
Year: 2014, Volume: 14, Number: 3
... how eccrine stressed state and it presents a series of parameters (skin sweat glands influence the skin conductivity according to conductance response signal power, skin conductance response signal frequency, skin conductance level gradient, response rise the subject's current psychological state, measuring sites time and response amplitude) extracted only from the and recording methods are ...
Year: 2012, Volume: 12, Number: 4
... restrictive on timekeeping accuracy, as for the velocity of nodes needs to be adjusted by modifying the reference clock calculations precise time or time difference values are needed. frequency, like in the Network Time Protocol (NTP) [11]. The accuracy of time information on nodes has to be always This operation is time ...
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