Answered

Start a Simulink simulation from operating point?

Please take a look at this page which provides an answer.

Start a Simulink simulation from operating point?

Please take a look at this page which provides an answer.

mer än 3 år 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...

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...

mer än 3 år 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.

mer än 3 år ago | 19 downloads |

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...

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...

nästan 4 år 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...

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...

nästan 4 år ago | 1

| accepted

Answered

i want to do speed control of induction motor using continuous PI controller with out anti windup, i am not model induction motor i used the available three phase squirrel cage motor from simulink block, the PI parameters does not give required resul

Please try following approach shown in <https://www.mathworks.com/help/slcontrol/ug/tune-field-oriented-controllers-for-an-async...

i want to do speed control of induction motor using continuous PI controller with out anti windup, i am not model induction motor i used the available three phase squirrel cage motor from simulink block, the PI parameters does not give required resul

Please try following approach shown in <https://www.mathworks.com/help/slcontrol/ug/tune-field-oriented-controllers-for-an-async...

nästan 4 år ago | 0

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...

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...

nästan 4 år 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...

PMSM Drive system Linearization

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

nästan 4 år 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...

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...

nästan 4 år 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...

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...

nästan 4 år 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/_...

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/_...

nästan 4 år 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...

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...

nästan 4 år 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;...

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;...

nästan 4 år ago | 1

| accepted

Answered

Control of LLC Converter

What is G - is it transfer function from Fs(frequency) to Vout? Probably it is transfer function from Vin to Vout right? If y...

Control of LLC Converter

What is G - is it transfer function from Fs(frequency) to Vout? Probably it is transfer function from Vin to Vout right? If y...

ungefär 4 år ago | 0

Answered

Open loop stability: Bode - Pole zero plot mismatch

You did not post your system, so it is a bit hard to figure out what is going on, especially when you say that you see poles mov...

Open loop stability: Bode - Pole zero plot mismatch

You did not post your system, so it is a bit hard to figure out what is going on, especially when you say that you see poles mov...

ungefär 4 år ago | 0

| accepted

Answered

How I can simulate PWM with PID controller as signal input in simulink ?

see if <https://www.mathworks.com/videos/speed-control-of-a-dc-motor-using-pwm-68962.html this video> might help.

How I can simulate PWM with PID controller as signal input in simulink ?

see if <https://www.mathworks.com/videos/speed-control-of-a-dc-motor-using-pwm-68962.html this video> might help.

ungefär 4 år ago | 0

Answered

how can i simulate feedback system with fuzzy controller in m file without simulink?

Hi, I am afraid there is no easy way to do it. You would have to use <https://www.mathworks.com/help/fuzzy/evalfis.html eva...

how can i simulate feedback system with fuzzy controller in m file without simulink?

Hi, I am afraid there is no easy way to do it. You would have to use <https://www.mathworks.com/help/fuzzy/evalfis.html eva...

ungefär 4 år ago | 0

Answered

PID tuning when error input data to PID and output data from Plant is available.

Hi there, If you do not have a model, but have input/output data from the model, you can use system identification to identif...

PID tuning when error input data to PID and output data from Plant is available.

Hi there, If you do not have a model, but have input/output data from the model, you can use system identification to identif...

ungefär 4 år ago | 0

| accepted

Answered

How to place poles at particular frequency in MATLAB Control System Designer in Discrete Compensation?

Hi there, First, right click in the design plot (bode or root locus) and select "edit compensator" <</matlabcentral/answer...

How to place poles at particular frequency in MATLAB Control System Designer in Discrete Compensation?

Hi there, First, right click in the design plot (bode or root locus) and select "edit compensator" <</matlabcentral/answer...

ungefär 4 år ago | 0

Answered

Tuning of PIID controller

Hi there, The way you are trying to model uncertainty in Simulink is not supported. If you define uncertain parameters in Rob...

Tuning of PIID controller

Hi there, The way you are trying to model uncertainty in Simulink is not supported. If you define uncertain parameters in Rob...

ungefär 4 år ago | 0

Answered

SISO model - how to "auto tune"?

Hi, One option is to use <https://www.mathworks.com/products/sl-design-optimization.html Simulink Design Optimization> . ...

SISO model - how to "auto tune"?

Hi, One option is to use <https://www.mathworks.com/products/sl-design-optimization.html Simulink Design Optimization> . ...

ungefär 4 år ago | 0

Answered

i am trying to tune PID in my permanent magnet synchronous motor. there has 3 PID controller which is to control speed and direct and quadrature current. any best technique to tune this PID?

Please take a look at the <https://www.mathworks.com/videos/automatic-tuning-of-field-oriented-controllers-for-an-induction-moto...

i am trying to tune PID in my permanent magnet synchronous motor. there has 3 PID controller which is to control speed and direct and quadrature current. any best technique to tune this PID?

Please take a look at the <https://www.mathworks.com/videos/automatic-tuning-of-field-oriented-controllers-for-an-induction-moto...

ungefär 4 år ago | 0

Answered

How to improve an MPC (Model Predictive Control) performance?

The undershoot you are seeing is due to two reasons: 1. Mismatch between plant and controller initial conditions. 2. Contr...

How to improve an MPC (Model Predictive Control) performance?

The undershoot you are seeing is due to two reasons: 1. Mismatch between plant and controller initial conditions. 2. Contr...

ungefär 4 år ago | 0

Answered

Model Predictive control look-ahead feature

Hello, I'll try to explain. First, you do not need to use signal previewing. Probably in most cases you do not know how setpo...

Model Predictive control look-ahead feature

Hello, I'll try to explain. First, you do not need to use signal previewing. Probably in most cases you do not know how setpo...

ungefär 4 år ago | 0

Answered

Specify multiple inequalities in form A*x<=b (>=) for default mpc problem

I am afraid you cannot do more than setconstraint allows. Could you please explain why you need to vary number of constraints fr...

Specify multiple inequalities in form A*x<=b (>=) for default mpc problem

I am afraid you cannot do more than setconstraint allows. Could you please explain why you need to vary number of constraints fr...

ungefär 4 år ago | 0

Answered

connection of tf with PWM input

Hi there, Please take a look at this video: <https://www.mathworks.com/videos/speed-control-of-a-dc-motor-using-pwm-68962.htm...

connection of tf with PWM input

Hi there, Please take a look at this video: <https://www.mathworks.com/videos/speed-control-of-a-dc-motor-using-pwm-68962.htm...

ungefär 4 år ago | 0

Answered

Problem with MPC toolbox (compiler?)

Answer posted in the last comment from Sara.

Problem with MPC toolbox (compiler?)

Answer posted in the last comment from Sara.

ungefär 4 år ago | 0

Answered

Question about deploy MPC to labview

Hi there, MPC controller object can be deployed with <https://www.mathworks.com/products/compiler.html MATLAB Compiler> . Ple...

Question about deploy MPC to labview

Hi there, MPC controller object can be deployed with <https://www.mathworks.com/products/compiler.html MATLAB Compiler> . Ple...

ungefär 4 år ago | 0

Answered

Is it possible to use a MILP in MPC

Hi, For Model Predictive Control Toolbox plant model needs to be an LTI model as you stated. If you are not using Model Predict...

Is it possible to use a MILP in MPC

Hi, For Model Predictive Control Toolbox plant model needs to be an LTI model as you stated. If you are not using Model Predict...

ungefär 4 år ago | 0

Answered

Model Predictive Control (MPC)

Hi there, I think you might want to look at callbacks for MPC Controller block. Right click on the block, select "Block Propert...

Model Predictive Control (MPC)

Hi there, I think you might want to look at callbacks for MPC Controller block. Right click on the block, select "Block Propert...

ungefär 4 år ago | 1