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Questions related to Control Theory
In my case I find PSO and GA works good
09 June 2022 5,654 7 View
Hi, I'm having a trouble understanding the definition of interfacial energy in solid. Say we have a coherent interface between phase A and B. Normally we accept an equation: Wab = Eav + Ebv -...
04 May 2022 1,701 0 View
When I was using ATAT or ICET to calculate cluster expansion, I usually need to set concentration range. In ATAT, I need to set the concentration range -c0 -c1, but what does this mean? For...
20 March 2022 3,108 0 View
Hello everyone, How I can program a Lundberg state space observer using the Simulink block "Matlab function" and display the result on a scope ?
02 March 2022 439 5 View
If the state space model is of the form say: dx/dt = Ax + Bu*e^t y = Cx + Du*e^t y(t) = 0 for all t>=0 and Cx + Du*e^t = 0 for all t>=0, x(t) = p*e^t How do we find a solution to the...
09 January 2022 1,631 5 View
Hi... i am working on dc/dc coupled inductor converters but there is an issue, when i used multisim for simulation then i feel that its not working like psim. I am using both software but multisim...
25 September 2021 5,716 3 View
I am trying to review the structures of Islanded microgrid, its economic analysis, and improving its efficiency and stability. so I need to know the best structure that is existing now.
18 September 2021 7,611 2 View
someone wrote FDZ as a false detection zone and others mentioned it as a fault detection zone. please provide any information, material regarding the calculation of FDZ for an islanding detection...
24 August 2021 7,200 3 View
While I understand the validation parameters and the procedures for assay AMV, I do not get the concept for determination of Specificity and Method Precision (Repeatability) for content...
23 August 2021 1,622 1 View
im designing the boost converter with 3mH inductor and 680uF capacitor. when i try with 12V 5A power supply in the input and about 50% duty cycle, i can reach the 24V output voltage since i put...
02 August 2021 8,588 3 View
I have P3O10^5- ion, and PO4^3- ion. When I added Ag+ to the solution, which one Ag+ tend to bond with? is this related to the HSAB theory? then between P3O10^5- and PO4^3-, which ion is...
20 July 2021 8,372 1 View
I'm doing work with camphor oil. Prepare its microcapsule and trying to bind it with the cotton material. After the formation of capsules, I need an adhesive to bind it with the cloth material.
16 July 2021 5,955 3 View
The standard method for carrier transport in the nanoscale is tight-binding Hamiltonians combined with the NEGF method. But in many journals, we also find the DFT method for carrier transport....
07 July 2021 7,030 3 View
Hi, everone. I'm using lammps to calculate the thermal conductivity of Mg-MOF-74. I firstly perform NPT, NVT ensemble to get a stable equilibrium, with a total energy fluctuation within 0.5%....
06 July 2021 9,910 0 View
I am trying to electroplate pure Ni on alumina dispersed strengthend copper substrate. The substrate was processed with a round of acid pickling ( 200 g/L sulfuric acid, 6 mins, room temperature)...
20 June 2021 5,503 1 View
What are the main physical/chemistry properties of such materials?
17 June 2021 9,991 2 View
What may be reasons if a motor with ferrite permanent magnet showing 1. low out put at high temperatures( say 100 degree Celsius) even though they are giving good performance at lower...
01 June 2021 1,417 2 View
Hi friends Why Current control( inner loop) is faster than voltage control ( outer loop) in power converters ? Can you explain me deep level.
30 May 2021 5,887 4 View
Chaos is a long-term non-periodic behavior in a deterministic system that is dependent Shows sensitivity to initial conditions. The operating environment of chaos is dynamic systems. A dynamic...
26 May 2021 7,471 3 View
We are purchasing one for our lab.
21 May 2021 2,150 3 View
Analytical method development for Di isoporpyl ethylene diamine and N,N-Diisopropyl-2-choroethylamine hydrochloride is initiated, but not able to get proper peak response on gas chromatography and...
19 May 2021 2,325 2 View
Am having a problem in using the LMI toolbox functions lmivar and lmiterm to minimize thefunction, can somebody please show me how i can define the terms of theorem 3.1 in matlab?
02 April 2021 7,313 1 View
Hello, I want to identificate Cryptococcus species with qPCR in tissue samples or extracts. So the aim is to generate a high specificity and sensitivity. A possible target could be the ribosomal...
02 April 2021 9,808 4 View
I have implemented a 3-Ph PLL block in simulink as shown in the picture. The output contains a lot of spikes. Can anyone try to explain why I am getting the spikes?
01 April 2021 7,859 6 View