Difference between transfer functions of dc dc converters ?

the dc-dc converters has two transfer functions , control to output and line to output TF. which one is used when design a controller? and which one is used to test step response?

06 September 2019 2,047 6 View

How should the prosumers be remunerated for providing voltage regulation as ancillary services (reactive power and active power curtailment)?

I would like to develop an optimization problem to provide voltage control for LV distribution networks. The goal is to calculate the change in reactive power and active power curtailment to...

23 September 2018 7,265 6 View

What makes gout occur as cycles of attack?

First I know that some diseases occur as cycles like malaria and the reason is time of RBCs rupture. but what make gout do the same in cyclic attack although it is inflammatory disease urate and...

23 October 2017 4,157 2 View

Postmenopausal osteoporosis problem ?

55 year old Caucasian woman not obese has the symptoms of osteoporosis. Her doctor prescribed a large dose of ca with different formulas and vitamen D3 . Weeks after starting the medicines...

23 October 2017 627 9 View

Parallel connected inverters in renewable energy system?

Is the problem of parallel connected inverters in renewable energy system solved? Is it still active research area?

13 September 2016 1,693 6 View

No title

04 July 2012 5,277 1 View

Radiogenic "second" heart disease?

The project is intriguing demonstrating that targeted external irradiation of rabbits or dogs with energetic carbon ions can reduce fatal ventricular arrhythmia via upregulation of gap junction...

01 January 1970 6,059 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone have kinetic and kinematic dataset for gait classification?

I want to differentiate between normal and abnormal movement. For this reason, I am looking forward to this type of dataset.

01 March 2021 9,485 1 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View

How to download dataset?

I have to download dataset from software infrastructure repository (SIR) and I have created account on repository but I am not able to download plz guide.

25 February 2021 3,840 2 View

How to sample data to increase presence of solar panels in the images?

I am working on creating deep neural network on geospatial dataset and wanted to know how to do the sampling so that I can increase the presence of solar panels in the images. I cannot use entire...

25 February 2021 3,936 6 View