What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View

How to predict missing data?

What are the various techniques to predict missing data in power systems? Mostly referring to the measurement data coming in from sensors or smart meters. References are welcome. Thanks in advance!

19 January 2021 6,785 4 View

How to identify missing /bad data in PMU data?

PMU data can go missing due to several factors - faulty PMU or PDC or communication channel, cyber attack, etc. Bad data can be also caused due to some of the above reasons or maybe due to some...

28 December 2020 8,237 3 View

Can anyone share machine (generator) data for IEEE 30 bus system?

I require the machine (generator) data for H, Rs, Xd, Xtd, Xq, Xtq, Td0, Tq0 and D; as well as the exciter data (kA, TA, kE, TE, kF and TF). If you can share the machine data file or link, it will...

22 December 2020 2,384 3 View

What is a scoping review?

In what context should we choose to do a scoping review? How is it different from systematic review, literature review, mapping review and Cochrane review? What are its mandatory or optional...

05 July 2020 8,206 3 View

If I use REVEL score as a meta-predictor for clinical variant classification, what would be a reasonable cut-off to filter disease variants?

Ioannidis et al., 2019, reported the development of the REVEL score (rare exome variant ensemble learner) for redefining pathogenic variant classification, and Tian et al., 2019, reported that...

29 March 2020 2,450 2 View

Are there any recommended or standard Power Quality (PQ) Indices?

I am looking for some standard power quality indices. By the PQ index, I mean the numerical value which gives an insight into the quality of the power supply waveform being monitored. For...

05 January 2020 2,070 6 View

Mars colonisation and its impact. Is it worthwhile.?

In the immediate future, ( a half century or less) , Mars Adventure will entail robots colonising Mars and the immense benefits, it will accrue to techpreneurs, will be mining Moon for...

11 December 2019 7,663 3 View

Is it possible to create a timestamp in MATLAB Simulink?

In MATLAB it is possible to develop a PMU Model and get the phasor data from it. But is it possible to set a timestamp also? By timestamp, i mean can i get the time and date at which the...

17 February 2019 4,064 2 View

If Laser could accelerate some particles faster than light,by EM drive,given in the link below is it true? My answer.?

http://www.techtimes.com/articles/49360/20150428/nasa-may-have-accidentally-discovered-faster-than-light-travel.htm There are three cases obvious from my research work. Case1 Virtual mass part of...

16 May 2016 6,912 5 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View