27 Questions 153 Answers 0 Followers
Questions related from Ashraf Khalil
If we consider all chargeable devices, that ranges from mobile phones, laptops, electric vehicles, medium storage (example. fly wheel), large storage (hydro storage + compressed air), etc. What is...
03 March 2018 6,419 5 View
I am looking for the state-space model of the reduced order model of the IEEE 16-machine 68-node system (reduced order model of the New England/New York interconnected system), please see the...
03 March 2018 8,914 2 View
I have two functions; the first is Z=f(x1,x2,x3), and W=f(x1,x2,x3,x4), where x1,x2, x3, and x4 are vectors. Z is three dimension matrix and W is four dimension matrix, what are the possible ways...
02 February 2018 8,181 2 View
I would like to know what are the high impact factor journals specialized in the power and energy systems and have very short processing time.
01 January 2018 7,863 14 View
When you read an article which was written in 1980s or even in the early 1990s, you usually found that the authors cite no more than 10 references (sometimes no references at all). In 2017 when...
11 November 2017 3,096 18 View
The number of consumer electronics has increased considerably specially in residential buildings, I would like to know What is the percentage of the DC electric loads? or any research papers...
10 October 2017 9,689 8 View
When writing a book which is better: (1) Write and finish your book completely then submit it to a publisher, or (2) Write the summary and the chapters contents then look for a publisher?
09 September 2017 4,783 5 View
High reputed conferences do not have impact factor while some open access journal have high impact factor. Some conferences publish new innovative papers that have high number of citations which...
09 September 2017 6,603 8 View
In many countries the researchers struggle to find funds cover their research expenses, journals access, or at least pay for the conference and journal fees, how could the researchers deal with...
09 September 2017 6,412 24 View
In order to do a good research you must know deeply what have been done in a specific research area. For example in electrical engineering you have to search in IEEE, Science direct and Google....
09 September 2017 5,719 5 View
In all our systems in engineering and science we represent the time as our independent variable, that is x(t). Then we use the great theorems of Lapalace, Fourier, and Lyapunov to analyze and...
09 September 2017 4,863 94 View
Is the multiplication of positive definite and negative definite matrix is a positive definite matrix even if they do not commute.
09 September 2017 2,369 9 View
Journal fees.
09 September 2017 8,969 26 View
The literature on the time delay systems is reach with many good books. I would like to know if there any introductory book on this subject that is suitable for undergraduate level.
08 August 2017 7,549 10 View
When we upload a full text for a paper or a thesis some or all of the references are missing, how could we add them.
08 August 2017 7,059 1 View
With the high penetration of the renewable energy in our energy mix, would be there in future bad consequences on the environment, the ecosystem or the life on the earth.
08 August 2017 3,496 8 View
With the advances in the technology many research areas are open and also many subjects which are nearly closed in the past come to be active research area following some breakthrough. Is there...
08 August 2017 4,330 0 View
I am looking for extensive research paper covers the predicted prices of the oil and the gas.
08 August 2017 6,267 8 View
I am looking for a free software that can be used to analyze the energy mix evolution for a given country.
08 August 2017 2,936 6 View
There are a number of candidate wireless networks protocols proposed for real time applications (the feedback is closed through the wireless network), I would like to know the most promising one...
12 December 2016 9,925 19 View
I am looking for a free software that can be used to calculate the total roofs area for an entire city.
12 December 2016 6,151 2 View
I would like to know the price of 100 W LED street light, for example Philips Model No: SP-ST-100WB.
10 October 2016 5,990 5 View
I would like to know the price of 2*170 Wp solar panels, 200 Ah battery, the pole and the charge controller, the 100 W LED lamp, and the accessories of the system.
10 October 2016 9,074 4 View
Some of the countries blessed with high potential of solar energy and have enough resources (Oil and Gas) to finance renewable energy projects. Why these countries are still very far behind and...
09 September 2016 4,257 9 View
I found many answers for this question but they are not convinced. I tried the formula found in many answers, but it was not true. The Researchgate provides the individual parts of the score but...
05 May 2016 2,527 2 View
There are a number of softwares that can be used to simulate multi-agent systems such as JADE. Also there are specific softwares for wireless networks, But is there any software that can do both...
12 December 2015 4,081 4 View
The advances in wireless networks made them viable for control actions and energy management signals exchange. The multi-agent is promising for both control and management of MGs, are there any...
11 November 2015 2,130 2 View
