How to start PMSM motor in sensorless control technique ?

08 September 2016 5,241 7 View

How to design LCL filter for three phase grid connected system?

What are the advantages of LCL over LC filter and how to design LCL filter?

06 July 2016 1,461 1 View

How to get speed waveform from theta which is derived from estimated back emf ?

Hello researchers, I am implementing sensor less control of PMSM from estimated back emf technique. I am getting an angle in the range of o to 2*pi which is perfect, however when I try to convert...

05 June 2016 7,911 7 View

What is the difference between universal bridge (simulink block) and normal bridge (made by mosfet switches ) in simulink matlab?

In closed loop system when i connect inbuilt universal bridge (MOSFET /DIODE) then my model is working perfectly and system is stable as soon as i connect 6 mosfet switches (bridge by mosfets) the...

11 December 2015 4,216 3 View

What is the impact of simulation time over sample time in simulink (MATLAB)?

10 November 2015 1,755 9 View

How do I find pi control parameters for three phase grid tied inverter?

09 October 2015 7,359 0 View

How do I scale and calculate pi controller parameter for DQ control of three phase grid tied inverter?

09 October 2015 4,156 4 View

Why is the response of boost converter changed when I convert compensator from continuous to discrete?

09 October 2015 1,054 2 View

How can I get desired phase margin in boost converter type 3 compensator?

I am modelling boost converter and using type 3 compensator. Inductor value of boost converter is very high which makes very low (right half plane frequency). Because of this problem I am not...

08 September 2015 6,085 3 View

In dc/dc boost converter feedback, after designing type-3 compensator's transfer function, how can we tune it in matalb simulink model?

I am trying to simulate interleaved dc dc boost converter in simulink and I am currently working on feedback part. I have designed the type 3 compensator for voltage feedback.After deriving...

08 September 2015 6,940 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View