Discussion
Motor Control Examples Showing How to Tune Gains of Field-Oriented Controllers
If you have not seen this yet, in Release 2018b we added several examples to Simulink Control Design that show how to use this p...
7 years 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.
7 years ago | 13 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...
7 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...
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...
7 years 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...
7 years 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...
7 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...
PMSM Drive system Linearization
Hi there, Linearization does not work for models with discontinuities such as PWM and power semiconductors. There are a co...
7 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...
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...
7 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...
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...
7 years ago | 2
| 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/_...
7 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...
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...
7 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;...
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;...
7 years 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...
8 years 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...
8 years 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.
8 years 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...
8 years 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...
8 years 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...
8 years 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...
8 years 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> . ...
8 years 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...
8 years 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...
8 years 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...
8 years 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...
8 years 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...
8 years 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.
8 years 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...
8 years 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...
8 years 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...
8 years ago | 1
Answered
PID setpoint problem
PID Controller block does not assume anything about the setpoint value, it operates on the error signal which is the difference ...
PID setpoint problem
PID Controller block does not assume anything about the setpoint value, it operates on the error signal which is the difference ...
9 years ago | 1
| accepted