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Filters
Real-time optimization of an active filter's performance
1994
IEEE transactions on industrial electronics (1982. Print)
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A real-time active filter optimization algorithm has been implemented in a TMS32OC30 DSP, with the aim of maximizing the monetary savings from active filtering by reducing the apparent power consumed at ...
As the basis for this optimization a savings function which takes into account active filter efficiency, the cost of energy, and the supply and load current distortion before and after filtering, has been ...
ROUND AND DUKE: REAL-TIME OPTIMIZATION OF AN ACTIVE FILTER'Definition of power flow. (a) No active filtering. (b) Active filtering.
Fig. 6 . 6 Energy savings gained by active filtering. ...
doi:10.1109/41.293897
fatcat:3lj6nwpjsvartootmcixj4jqam
Optimized current reference generation for system-level harmonic mitigation in a diesel-electric ship using non-linear model predictive control
2015
2015 IEEE International Conference on Industrial Technology (ICIT)
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Non-linear optimal control using collocation and multiple shooting is investigated in this paper to generate the current reference signal for the lower level control of an active filter in a marine vessel ...
The optimization objective is aimed at using the active filter for system-level minimization of Total Harmonics Distortion with the minimum rating of the active filter. ...
The use of active filtering is an attractive alternative to the mitigation of harmonics that can offer fast current tracking performance. ...
doi:10.1109/icit.2015.7125439
dblp:conf/icit2/SkjongMJ15
fatcat:thymsl4mobbnxgokotemju2byi
Management of harmonic propagation in a marine vessel by use of optimization
2015
2015 IEEE Transportation Electrification Conference and Expo (ITEC)
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This paper presents and discusses one approach for generating the harmonic current reference for an active filter based on optimization. ...
Two relevant results are revealed by this study: 1) lower THD values are attained by performing system optimization compared to local compensation of one load, and 2) the lower THD values are achieved ...
could be implemented in C/C++ which may give better real-time properties. ...
doi:10.1109/itec.2015.7165797
fatcat:cd5uq45nzzdfreevzgkhay3i7u
Shaping the Current Waveform of an Active Filter for Optimized System Level Harmonic Conditioning
2015
Proceedings of the 1st International Conference on Vehicle Technology and Intelligent Transport Systems
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current waveform with an active filter installed at a given bus. ...
Mitigating harmonics distortion across the entire system by actively reducing harmonic currents propagation is an effective way of coping with these issues and can be dealt with the injection of a compensating ...
This is a useful property specially when simple grid models are available for a real-time implementation of the optimization scheme. ...
doi:10.5220/0005488800980106
dblp:conf/vehits/SkjongMJV15
fatcat:lyajrqmlaja3dnz7c4zofdlvge
Unscented Kalman filter-based method for spacecraft navigation using resident space objects
2020
Aerospace Systems
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the filter's covariance estimate. ...
To ensure that this filter is reliable, a new assessment technique is introduced where we compare the moving standard deviation and mean of the filter's estimate error with the predicted error based on ...
Acknowledgements The authors would like to thank the Natural Sciences and Engineering Research Council (NSERC) of Canada, the Canadian Space Agency, and Magellan Aerospace for supporting this research. ...
doi:10.1007/s42401-020-00055-w
fatcat:u2pxk4cdzbh5bn64w4jen2lknm
A Low-Power Wideband Reconfigurable Integrated Active-RC Filter With 73 dB SFDR
2006
IEEE Journal of Solid-State Circuits
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The operational amplifiers used are based on a new compensation technique that allows optimized high-frequency filter performance and minimized current consumption. ...
A filter prototype has been fabricated in a 0.12-m CMOS process, occupies 0.25 mm 2 (tuning circuit included), and achieves an IIP3 of approximately +20 dBm, whereas its spurious free dynamic range (SFDR ...
The present paper describes an active-RC filter developed with the usage of programmable resistor arrays (PRAs). ...
doi:10.1109/jssc.2006.880616
fatcat:pxwnnr4zencmvj7ri4aocfm6fq
Computer application for testing Kalman filter
2020
Radioelectronic Systems Conference 2019
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The application gives an insight into the EKF operation and enables an assessment of its accuracy, depending on the assumed shape of the object trajectory, an assumed motion model, a number and locations ...
Due to the non-linearity of the observation model, an extended Kalman filter (EKF) was chosen for the position estimation. ...
This filter is an optimal estimator of the state and it allows to determine quantities directly inaccessible for measurement, based on available measurements and using an assumed mathematical model of ...
doi:10.1117/12.2565121
fatcat:q7a3gb656veqzjbayabsepw6f4
On the Design of an Energy Efficient Digital IIR A-Weighting Filter Using Approximate Multiplication
2021
Sensors
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The proposed filter was synthesized (Verilog to GDS) using the Nangate45 cell library, and MATLAB simulations were performed to verify the designed filter's magnitude response and performance. ...
It presents a thorough analysis of the effects of approximate multiplication, coefficient quantization, the order of first-order sections in the filter's cascade, and zero-pole pairings on the frequency ...
Any remaining errors are, of course, our responsibility. ...
doi:10.3390/s21030732
pmid:33499046
fatcat:vriwtynda5d6rbzfjfgf62ug7u
Finite-memory denoising in impulsive noise using Gaussian mixture models
2001
IEEE transactions on circuits and systems - 2, Analog and digital signal processing
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We provide an analytical derivation of the resulting mean-squared error (MSE), and compare the performance to that of the optimal linear estimator, identifying cases of significant improvement. ...
Substantial improvement in performance over the optimal linear filter is demonstrated using simulation results. ...
It is reassuring to note, however, that while the FIR filter's performance monotonically improves as is increased, the ZMGM filter's performance has an optimum as a function of , since further increase ...
doi:10.1109/82.982367
fatcat:qm7courpfvaepi54jyvosnue4i
Physiological noise cancellation in fNIRS using an adaptive filter based on mutual information
2014
2014 IEEE International Conference on Systems, Man, and Cybernetics (SMC)
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The filter was tested with real and simulated data. The real signals were measured on seven healthy subjects performing an isometric pinching task. ...
To process an fNIRS signal in a braincomputer interface, it is desirable to know which components of the signal come from cortical response, and which come from biosignal interference. ...
every time step t based on the error between noise reference n(t) and the filter's estimate of the noise reference,n(t). ...
doi:10.1109/smc.2014.6974187
dblp:conf/smc/BontragerNZRM14
fatcat:5zgfi7vg7rfsbikzxwdl7zxlrq
SIMULATION MODELING OF THE INTERFERENCE IMMUNITY OF THE RADARS OPERATING WITH COMPRESSED SIGNAL
2020
Zenodo
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The immunity to the interference of a radar operating with a pulse compression signal is an important feature. ...
The matched filter is one of the elements of the radar, providing resistance to interference. ...
The modeling is performed at the ratio of the parameters between the real radar and the model by Table 1 . The block diagram of the simulation model of the process is shown in fig. 1 . ...
doi:10.5281/zenodo.4446559
fatcat:ogbsopoi3neo3iebmjx7vezqe4
Narrow-Scope Searching FrFT Method Applied in the Elimination of Sonar Ranging Error
2014
International Journal of Information and Electronics Engineering
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Theoretical analysis and simulation have confirmed small operation amount, high accuracy and good real-time performance for this presented method. ...
By estimate the FrFT optimal order in a very small range accurately, the search scope and computation amount will be greatly reduced. ...
updating matched filter's parameters with estimation values in real time. ...
doi:10.7763/ijiee.2014.v4.469
fatcat:gk7utasmdzdsnhip2ao7jbgibm
Shunt power electronic buffer as active filter and energy flow controller
2013
Archives of Electrical Engineering
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The device can optimize energy flow for a single load, but also for a group of loads as well. ...
The considered shunt active power filter can be controlled not only to compensate non-active current in the supply source, but additionally to optimize energy flow between the source and the load. ...
The active filter performs compensation of non-active current and the source current is sinusoidal (waveform 3). ...
doi:10.2478/aee-2013-0005
fatcat:ysxfqym345eihnkke57eldnipm
FPGA Design of a High- Resolution FIR Band-Pass Filter by Using LabVIEW Environment
2021
European Journal of Science and Technology
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Using filter coefficients in the real-time FPGA-VHDL environment, we showed the performance and resource consumption. LabVIEW is used for simulation as well as obtaining filter coefficients. ...
For this purpose, continuous time-discrete time conversion is not possible with the help of transforms. ...
The VHDL language consists of the entity layer where the input-output definition is made, an architecture that performs the logic functions, and a process layer that performs serial programming. ...
doi:10.31590/ejosat.1016363
fatcat:khxotlc7mbfqdp45eaaxf7ayfq
Active Learning Method for Chinese Spam Filtering
2017
International Journal of Performability Engineering
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An active learning method is put forward to filter Chinese spam. ...
In terms of training the filtering model, labeling all of the emails seems to be costly and time-consuming, while unlabeled emails can be easily accessed. ...
Acknowledgements This work was partly financially supported through grants from the National Natural Science Foundation of China (No. 60903083 and 61502123), Scientific planning issues of education in ...
doi:10.23940/ijpe.17.04.p18.511518
fatcat:m64go3fxnbhnzctugl77rq6cm4
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