What are the things you should keep in mind while designing a controller for a quadrotor and want to implement it on hardware (via arducopter) ?

I am designing a flight controller for a quadrotor. At first I am designing a nested/cascaded controller consisting of only proportional controllers Kp . Now, if i tune the rate controller for 10...

03 February 2021 5,001 3 View

How to discretize a continuous time state-space model in MATLAB correctly?

I am trying to discretize a continuous time state space model using the following code s=tf('s'); G=1/(Iyy*(s^2)) Gs=ss(G) Gd=c2d(Gs,0.01,'zoh'); Now, when i use this discretized model 'Discrete...

30 January 2021 8,665 10 View

How can we measure the surface relative content of deconvoluted Mn 2p3/2 XPS spectra?

Somewhere in papers, it is written as Mn 2p3/2 XPS spectra can be deconvoluted into four peaks at 640.83, 641.92, 642.97 and 644.56 eV assigned to Mn(II), Mn(III), Mn(IV), and the shakeup peak,...

24 December 2020 4,323 4 View

How is the DC Bias voltage applied to single ended inverting Amplifiers?

I have seen some circuits in which people apply the signal on negative terminal and ground the positive terminal of amplifier, say a 2 stage amplifier? How do they provide the bias voltage? Is the...

12 November 2020 1,660 1 View

What preparations are based on natural flavonoids?

What preparations are based on natural flavonoids? (please write their names)

14 October 2020 2,720 2 View

How does soil pH respond to the co-exposure of earthworms and nano-material(NMs) over different time periods?

I incubate the soil with earthworm and applied different concentrations of NMs. My pH data looks strange to me. Previously, literature documented that earthworms improve soil pH. Does anyone...

03 June 2020 1,908 10 View

Does a short circuit between mosfet differential pair act as a AC ground for small signal Analysis?

I'm working on Bipolar shaper amplifier and solving some circuits. As shown in attachment the drain of two Mosfet pairs are shorted. Does that serve as AC ground in small signal analysis? I've...

30 March 2020 4,696 4 View

Shall we add glucose too for making M9 minimal media if we want to add homoserine lactones as a sole carbon source in it?

I am working on isolation of quorum quenching bacteria from environmental samples using M9 minimal media containing C6-HSLs as a sole source of carbon. As glucose is a part of normal composition...

17 October 2019 2,892 2 View

List of Universities who are offering Phd (Management/Business Administration) in Iraq?

Specific name of university

29 September 2019 5,972 3 View

No title

01 September 2018 8,939 9 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 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 does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View