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Arkadiy Turevskiy


Last seen: 20 days ago

MathWorks

576 total contributions since 2011

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Answered
Control System Tuner error message : Tuning gains store as Simulink.Parameters is not supported
The gain value of your AVR_Gain block is defined by Simulink.Parameter. This is not supported by Control System Tuner. You can ...

2 months ago | 0

Answered
Error unrecognised function or Variable 'ss'
This question gets a lot of views, so summarizing the answer: this error is due to Control System Toolbox not being installed.

2 months ago | 0

Answered
How to use Simulink System Identification with Arbitrary I/O Data?
Are you trying to improve your PID? The IO data to collect should be the data from the plant, i,e, input to the plant and output...

2 months ago | 0

Answered
Why is Simulink giving different output for same transfer function but with different approach?
Impossible to say exactly without having access to your models. What transfer function did you calculate for H? What is the inpu...

2 months ago | 0

Answered
How to simulate continuous time EKF in simulink?
Hi there, The EKF itself is discrete-time, i.e., has to have discrete state transition and measurement functions, but the syst...

2 months ago | 0

Answered
pid tunning of mimo system
Please contact tech support for help with troubleshooting. Your code does not run without jac_direct.

2 months ago | 0

Answered
How to get the frequency response between two measurement points in simulink?
Hi, when you do frequency response estimation, the tool injects a sinestream signal into the model at the input and collects the...

2 months ago | 0

Answered
Livescript and Control System Toolbox
Thanks for the question, interactivity in Livescript controls plots is not supported yet.

2 months ago | 1

| accepted

Answered
Tuning two gains with constraint to have the same value
Hi, good question. There does not appear to be a way to enforce that two gains should be the same. It seems the original proble...

2 months ago | 0

Answered
PID tuner with feedback tf
No, there is no way to specify transfer function of other components. For PID Tuner, "Plant" is all system dynamics except for ...

2 months ago | 0

Answered
A proposal for ss of Control System Toolbox
Thanks for your proposal. Are you suggesting this to clarify the notation?

2 months ago | 0

Answered
a simple question about transfer function
sys=tf(1,[1 -1],-1,'Variable','z^-1'); %1/(1-z^-1); sys1=sys*sys*sys*sys; %1/(1-z^-1)^4; sys1.ts=0.1; %set sample time to 0.1 ...

2 months ago | 0

Answered
why I am getting error while tuning using control system tuner
We won't be able to provide a better answer without access to your model and a function. Can you please contact tech support?

2 months ago | 1

| accepted

Answered
PID Tuning - Velocity Form
Hi, can you provide the equation for the velocity form you are interested in using. If you can write it out, ou could write a sc...

2 months ago | 1

Answered
Matlab closed loop Autotuner PID with embedded coder
Hi Vindhyachal, Here are answers to your questions: 1. u+du : How it will be used here? Have you seen this doc page? It...

8 months ago | 0

Answered
How to generate the transfer function of a DC motor?
Starting in R2017b we are shipping capabilities for online tuning of PID controllers. The best way to do this is by using Cl...

1 year ago | 3

Answered
DC Motor: Why are Step Responses Different for Transfer Function & State Space?
It looks like the transfer function is from voltage to angle, while state-space is from voltage to angular rate (speed). If y...

1 year ago | 1

Answered
Start a Simulink simulation from operating point?
Please take a look at this page which provides an answer.

1 year ago | 0

Answered
Simscape Linear Analysis Tool, Steady state for switching circuit
Hi Christian, Unfortunately Linear Aanalysis Tool does not currently support specification-based computation of periodic operat...

1 year ago | 0

Submitted


PID Controller Design and Tuning with MATLAB and Simulink -
This demo file shows capabilities for PID Controller design and tuning in MATLAB and Simullink.

2 years ago | 46 downloads |

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Answered
Transfer function from a frequency response graph
System Identification Toolbox is an add-on to MATLAB for estimating transfer functions as well as other model types from time or...

2 years ago | 1

Answered
What does the numerical display of Pidtuner mean?
They indicate the response time (in seconds) you choose with a "response time" slider and transient behavior number you choose w...

2 years ago | 1

| accepted

Answered
IPMSM Velocity Control Example PID Tuning
Hi, Please follow the approach explained in <https://www.mathworks.com/help/slcontrol/ug/tune-field-oriented-controllers-usin...

2 years ago | 0

| accepted

Answered
PMSM Drive system Linearization
Hi there, Linearization does not work for models with discontinuities such as PWM and power semiconductors. There are a co...

2 years ago | 1

| accepted

Answered
PID tuner not working for Simulink BLDC Motor Controller
Hi, When you press "tune" button, PID Tuner tries to linearize the model and comes up with zero due to discontinuities introd...

2 years ago | 0

Answered
How can I Switch between PID and MPC ?
Hi there, Yes, you can definitely switch between different controllers. We call this feature "bumpless transfer". In your MPC...

2 years ago | 1

| accepted

Answered
How to tune PID controllers for BLDC with SVPWM and vector control?
Hi, I won't be able to troubleshoot your model. However, please take a look at <https://www.mathworks.com/help/slcontrol/ug/_...

2 years ago | 0

Answered
Bode Plot block in Simulink is not working in triggered system
Hi, Please try recommendations in <https://www.mathworks.com/help/slcontrol/ug/event-based-subsystems-externally-scheduled-su...

2 years ago | 0

Answered
How to change frequency unit in plot of viewGoal function without using right click and properties dialog?
Hi, Try this: gmax = frd([1 1 0.01],[0 1 100]); Req = TuningGoal.MaxGain('du','u',gmax); viewGoal(Req); h=gcr;...

2 years ago | 1

| accepted

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