advantages of power system state estimation using phasor measurement units
Reliability analysis of power system based on generalized stochastic petri nets
... electricalconnectivity of each component of the system. Essentially, theETN operates based on the information regarding the states of the components, e.g. open/closed for circuit breakers, out -of- order/working ... consequences depending on the power system state. In conclusion, the reliability of protection schemes, understoodas the union of dependability and security, and its dependencyon the system operating conditions, ... designing modern power systems [12].The Petri Net (PN) paradigm is suitable to represent event-driven systems, which are characterized by a set of states(configurations) and a set of evolution...
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Reliability analysis of a power system based on the multi state system theory
... reliability of the power system will be analyzed by the multi -state system theory in this paper. The procedure of applying the multi -state system theory to the reliability analysis of the power system ... generating function of the system; is the number of subsystems in the system; NsysM is the number of possible states of the system; sG is the performance of the system; sq is the ... other systems, and the reliability of this power system is very important. To analyze the reliability of the power system using the traditional system reliability theory, the reliability of the...
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Báo cáo hóa học: " Research Article Estimation of Power Consumption at Behavioral Modeling Level Using SystemC" docx
... esti-mation of power consumption characteristics of HW systemsmodeled at the behavioral level using SystemC modeling lan-guage.3. ESTIMATION OF POWER AT BEHAVIORAL LEVEL3.1. MacromodelingThe estimation ... library to enable power estimation of digital systemsbuilt upon a set of primitive logic gates. Minor modifications of SystemC modules enable the calculation of the dynamic power component due ... level of power modeling, for the estimation of power at the behavioral level of design.In the analy tical power macromodeling, a function mapsthe space of input signal properties to the power...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces pptx
... forklift operation; (b): distance measurement using four distance sensors and feedback force implementation using a DC motor. The essential components of an OBW system are distance sensors associated ... term of the sense of touch. 2.2 Feedback force implementation: According to previous research [9], [10], the steering system of forklifts is developed. Moreover, driving torque of forklift ... which can transmit the view of forks’ environment in term of force feedback information, and we named it as observe-by-wire system. (a) (b) Fig. 2 The OBW system configuration, a forklift...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces docx
... forklift operation; (b): distance measurement using four distance sensors and feedback force implementation using a DC motor. The essential components of an OBW system are distance sensors associated ... term of the sense of touch. 2.2 Feedback force implementation: According to previous research [9], [10], the steering system of forklifts is developed. Moreover, driving torque of forklift ... novel Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces Ba Hai Nguyen1 and Jee-Hwan Ryu2 1School of Mechanical Engineering, Korea University of Technology and...
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Reliability modeling and evaluation of sulaimani erbil electrical power system
... aspects of the various elements of the system [2].In general, the system is of two types (depending on the structure of the system) , a simple structure system and a complex structure system. ... kV transmission line power system that energized by 33 kV system reduces the reliability of the system. Therefore, in order to improve the reliability of the 132 kV power systems, these lines ... Sulaimani-Erbil Electrical Power System Reliability Evaluation Fig.8 shows the single line diagram of the 132 kV systems for Sulaimani-Erbil electrical power system. For the purpose of reliability...
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classification parameter estimation & state estimation an engg approach using matlab
... (smoothing, offline estimation) .Online estimation is the estimation of the present state using all themeasurements that are available, i.e. all measurements up to the presenttime. Prediction is the estimation ... the estimation of future states. Retrodiction is the estimation of past states.This section sets up a framework for the online estimation of the states of time-discrete processes. Of course, most ... examples of discrete state estimation are speech recognition,printed or handwritten text recognition and the recognition of theoperating modes of a machine.An example of real-valued state estimation...
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Báo cáo hóa học: " Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography" potx
... summation of PCSA of allflexor muscles, ΣPCSAextensorsis the summation of PCSA of all extensor muscles, PCSAflexoris the PCSA of the flexor muscle u sed for training, PCSAextensoris thePCSA of ... Mechanics of the Hand. Mosby 1999.44. Buchanan TS, Lloyd DG, Manal K, Besier : Neuromusculoskeletal Modeling: Estimation of Muscle Forces and Joint Moments and Movements FromMeasurements of Neural ... this article as: Ziai and Menon: Comparison of regression modelsfor estimation of isometric wrist joint torques using surfaceelectromyography. Journal of NeuroEngineering and Rehabilitation 20118:56.Submit...
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báo cáo hóa học: " A preliminary study of clinical assessment of left unilateral spatial neglect using a head mounted display system (HMD) in rehabilitation engineering technology" pdf
... low validity of the results because of the small number of subjects. There was also a limitationabout discussion of concerning the mechanism of USNbecause of the damaged part of the brain and ... of a real image and has lowered capabilities of vis-ual acuity. By contrast, the HMD has the possibility of obtaining various fields of view without deterioration of visual acuity.The HMD system ... delay of response between the computer andthe HMD regarding a transformation of data. The system& apos;sdelay time is 50 m seconds. Therefore, the HMD system needs a higher level of technology of...
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Báo cáo sinh học: " Research Article Inverse Modeling of Respiratory System during Noninvasive Ventilation by Maximum Likelihood Estimation" doc
... parameters of GGD-based measurement noise to providethe valuable information about the respiratory models fit tothe measured signals.3.1.1. Measurement Noise Variance Estimation. A commonway of estimating ... of the measurement noise, respec-tively. However, (14) cannot be solved in the explicit form.Thus, a lookup table was generated for the inversion of theKurtosis equation.3.2. Estimation of ... varianceand the shape factor of the measurement noise are estimated,parameters of the respiratory models can be computed withthe MLE algorithm. Maximization of (12)withrespectofΘis computed with the...
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Báo cáo hóa học: " Research Article An Iterative Soft Bit Error Rate Estimation of Any Digital Communication Systems Using a Nonparametric Probability Density Function" pptx
... for the study of any digital communication system performance. This method is based on the use of nonparametric pdf estimation of the soft decision of thereceived bit. Small length of transmitted ... The soft BER estimation, by using only 3000 samples, gives a value of theBER with an error of 0.2dB.7. ConclusionsIn this paper, we have suggested a new iterative soft bit errorrate estimation ... receiver.AppendicesA. Proof of (15)Proof. Using the definition of J( fX), we haveJfX,N=+∞−∞fX,N(x)2dx. (A.1)For Gaussian Kernel K, we have, K(x) = (x2−1)K(x). Then, using (11),...
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