Siddharth Jawahar

Last seen: 2 days ago | Active since 2017

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Pitch-rate-controller-for-aircraft
This repo contains the model files to trim, linearize and develop a pitch rate controller for an deHaviland Beaver aircraft

2 days ago | 14 downloads |

Answered
How to obtain a bode plot from a Power Electronics Circuit in Simulink
Hi Alvaro, You are on the right track of using frequency response estimation for such swithing systems. However, the experiment...

3 months ago | 0

Submitted

Impedance measurement using frequency response estimation
This submission showcases an advanced workflow for measuring impedance using frequency response estimation.

5 months ago | 13 downloads |

Answered
How can I set linewidth directly in bode command?
Hello Byungkeuk, Here is an example script to demonstrate how you can adjust the linewidth of a bode plot. sys = tf([4, 1], [0...

5 months ago | 0

Answered
model of the ADRC order for the GSAP.
Hi Tarik, One option if you do not have the model order readily available, is to do plant I/O experiments to determine the natu...

7 months ago | 0

Answered
I am facing problem when I am using frequency analyzer in Simulink.
Hi Yojan, I recommend ensuring that the sample time of the input signal matches that of the signals marked as the linear analy...

10 months ago | 0

Answered
% conv in Closed-Loop PID Autotuner
Hi Simone, Thank you very much for posting about this issue. The development team is aware about this for the sinestream signal...

11 months ago | 0

| accepted

Answered
Error using place (line 78) The "place" command cannot place poles with multiplicity greater than rank(B). what is this error?
Hi Mani, This is not a bug, this is a limitation as spelled out in the error message. You cannot specify pole locations with mu...

1 year ago | 0

Answered
Control for a Delayed inverted pendulum
Hi James, From the image you provide it looks like the system is underactuated with just a reference for the pendulum angle? It...

1 year ago | 0

Solved

Negative matrix
Change the sign of all elements in given matrix.

2 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 years ago

Answered
the open loop transfer function of a unity feedback system is K/(s*(s+2)*(s+3) ) it is desired that the damping ratio is equal to 0.6 and that the steady state error is not more then 0.3 . Design a suitable compensator to meet the specifications
Hi Meet, You can use the Control System Designer app to tune your feedback compensators for the desired time domain requirement...

3 years ago | 0

Answered
Is there a way to know the PID gain value used in the controller with input and output data ?
Hi Junsang, You can do just this using the parameter estimation app in Simulink Design Optimization with measured data. PLease ...

3 years ago | 0

Answered
Step response of a closed-loop system
Hi Alexander, The difference in the responses are introduced by how you have constructed the closed loop transfer function in M...

3 years ago | 0

Answered
Using linear analysis advisor; I get an error java.lang.NoClassDefFoundError: Could not initialize class com.teamdev.jxbrowser.chromium.BrowserContext.
Hi David, This might have something to do with setup. Please contact technical support to debug this issue. Sid

3 years ago | 0

Answered
How can i linearize a nonlinear equation using simulink?
Hi Joao, From the error message it looks like you are running into linearization issues with your Simulink model with the retur...

3 years ago | 0

Answered
what toolboxes are required to simulate and tune PMSM FOC control loop and motor? I am using NXP MCT libraries.
Hi Sam, Are you using this NXP support package from file exchnage as in the link you provided? It would make sense to ask the a...

4 years ago | 0

Answered
control Linear analysis error due to sample rater?
Hi TarikTech, This most probably seems to be an issue with a sample time mismatch at the linear analysis IO points. Please make...

4 years ago | 0

Answered
how to design a PI controller to control the temperature and humidity of the greenhouse ?
Hi Luu, It would be good to start with the MATLAB documentation to see how you can use PID controllers in general and then look...

4 years ago | 0

Answered
How to show frequencies on Nichols plot in SISO Simulink control design
Hi Bentolila, You can use the Control System Designer to plot the nyquist plot with the grid for your system under consideratio...

4 years ago | 0

Answered
S-Spline Trajectory
Hi Mehmet, What specific issue are you facing by using the 'From Workspace' block? There are several ways you can load refere...

4 years ago | 0

Answered
What is the type of PID controller in MATLAB, position or velocity form?
Hi Mustafa, The implementation we have in the MATLAB and SImulink are the standard and ideal forms of the PID which is user sel...

4 years ago | 0

Answered
How to programmatically tune this closed loop system with desired response time and robustness?
Hi Jack, You can do the list of actions you mentioned by using the pid, pidtuneOptions, pidtune functions. As an example, using...

4 years ago | 1

| accepted

Answered
Temperature control with inertia
Hi Julian, If you do not have a good understanding or a prespective of the system dynamics to model it in Simulink, you can use...

4 years ago | 0

Answered
if I have an ECU that has an existing program on it, how can I upoload that program back to a MathWorks product to view and modify it? what products would I need?
Hi John, It would be best to contact technical support at Mathworks so that they can channel you to the right people to get you...

4 years ago | 0

Answered
i am looking for simulink model of " Maximum Power Point Tracker of a Wind Generator Based on The Flatness-Based Control" could anyone help me
Hi Yacine, You can model the system from the equations in the paper or reach out to the authors directly to see if they have an...

4 years ago | 0

Answered
Mathematical modelling, control law estimation & engineering simulation !
Hi SS, You can import CAD models using Simscape Multibody toolbox to create a representation in Simulink then develop your cont...

4 years ago | 0

Answered
Assign Dynamic Stiffness and Damping to variables
Hi Sarnab, Have you tried using the look up table block to do this? https://www.mathworks.com/help/simulink/slref/ndlookuptable...

4 years ago | 0

Answered
Frequency response estimation take too long time - couple of hours?
Hi Jian, Frequency response estimation can be slow especially if you are using sinestream perturbation signals for power electr...

4 years ago | 0

Answered
Are there products for marine applications that are similar to aerospace applications?
Hi Kendric, No we do not have a toolbox specifically for marine applications. But you should be able to start modelling you sys...

4 years ago | 1

| accepted

Siddharth Jawahar

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