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Search results for: estimate
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Year: 2012, Volume: 12, Number: 4
... , Tl – electromagnetic and load torque, respectively; purpose. There are also sensorless control algorithms that ϑs- stator angle relative to the d-q reference system; estimate the rotor position without encoders [22, 24]. The ωs- synchronous angular speed. DSP Vector Control is used in PMSM drives when speed The ...
Year: 2015, Volume: 15, Number: 2
... The robots need kinematics. All you need is a camera mounted on the robot's to use fuzzy logic in order to make more human-like end effector, which can estimate distances [13]. The method movements. Artificial neural networks have been seems interesting, but it could be considered rather a traditionally employed to learn and ...
Year: 2013, Volume: 13, Number: 3
... of specific core loss from the In order to find motor efficiency, air-friction loss must be defined table and for the value Bm,i of magnetic induction. estimated because it cannot be calculated through the FEM Now, from the equations (13), (14), (15) and (18), ...
Year: 2017, Volume: 17, Number: 4
... were not studied thoroughly. Compared to previous work, fingerprint map is then used by the positioning system in the present paper addresses problems related to the order to estimate the location of the mobile device, based on crowdsensing process as a method for urban fingerprint the parameters reported back. database construction. First, the paper ...
Year: 2014, Volume: 14, Number: 2
... 1-3]. Direct M2M communication should make use of solutions II. IMPLEMENTING INSTRUMENTATION COMMUNITIES VIA already consolidated on the Internet, in order to interconnect RESOURCE AGGREGATION an estimated number of 16 billion objects until 2020. There were identified the following two possible IoT should perform discovery, identification, localization, directions for our research. ...
346. Fault Detection and Localization in Transmission Lines with a Static Synchronous Series Compensator
Year: 2015, Volume: 15, Number: 3
... is before or after the for fault detection and localization in transmission lines SSSC in a series compensated transmission line. It should be compensated with a SSSC. The estimated error in calculating mentioned that this approach was not capable to pin point the distance to the fault is smaller than 1% of the transmission the precise distance ...
Year: 2015, Volume: 15, Number: 3
... interest are obtained. In real application we either should know the number of components apriori or we should stop decomposition when residue does not contain components of interest. Estimated frequencies from the individual IMFs are f1= 50.35 Hz, f2= 1167.29 Hz and f3= 1525.87 Hz. They are very close to the exact frequencies ...
Year: 2015, Volume: 15, Number: 3
... yjy,, tj) the object's velocity and objects represented by it. In this framework we have piest (xiest, yiest, ti) the point location estimated using a set of considered a training dataset divided into the following four homographic transforms. piest helps us compensate the major categories depending on their relevance to a ...
Year: 2014, Volume: 14, Number: 2
... machine thermal limits should also be The magnetic flux of rotor magnets in a BLDC machine kept in mind. Stator current peak values can lead to airgap can be estimated by its first and third harmonic saturation or thermal stress along the iron core. Total components: amount of stator copper loss can be used to limit the ...
Year: 2007, Volume: 87, Issue: 2
... ], [5] and [6]. The air-gap variable equivalent two tooth pitches), was kept constant. permenace was developed as a method to estimate the air- gap flux density in induction machine [3 ], [7] but it was extended to other machines such as switched reluctance motor ( ...
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