Answered
Tuning PID controller non-linear equation
I am able to get a much better response than you have in the attached model. When you launch PID Tuner, just increase the speed ...
Tuning PID controller non-linear equation
I am able to get a much better response than you have in the attached model. When you launch PID Tuner, just increase the speed ...
8 years ago | 0
Answered
how to get bode plot and transfer function from my simulink block?
See <https://www.mathworks.com/matlabcentral/answers/314286-how-to-get-bode-plot-and-transfer-function-from-my-simulink-block he...
how to get bode plot and transfer function from my simulink block?
See <https://www.mathworks.com/matlabcentral/answers/314286-how-to-get-bode-plot-and-transfer-function-from-my-simulink-block he...
8 years ago | 0
| accepted
Answered
My system consist of set of equations. How to implement PID controller for my system ?
In a simple case of a mass spring damper mx''+cx'+kx=F convert system equations to a transfer function m=1;c=1;k=1; %re...
My system consist of set of equations. How to implement PID controller for my system ?
In a simple case of a mass spring damper mx''+cx'+kx=F convert system equations to a transfer function m=1;c=1;k=1; %re...
8 years ago | 0
Answered
how to get bode plot and transfer function from my simulink block?
Can you attach the actual model? My guess is that you are running into problems here because your model includes three-phase ma...
how to get bode plot and transfer function from my simulink block?
Can you attach the actual model? My guess is that you are running into problems here because your model includes three-phase ma...
8 years ago | 0
Answered
pidTuner feature "DesignFocus" not available
Yes, this functionality was introduced in 15a, you can read the release notes <https://www.mathworks.com/help/control/release-no...
pidTuner feature "DesignFocus" not available
Yes, this functionality was introduced in 15a, you can read the release notes <https://www.mathworks.com/help/control/release-no...
8 years ago | 1
| accepted
Submitted
PID Controller Design for a DC Motor
This file shows PID Controller tuning in MATLAB and Simullink for DC Motor control.
8 years ago | 167 downloads |
Submitted
PID Controller Design and Tuning with MATLAB and Simulink - Fourbar Linkage
This demo file shows new capabilities for PID Controller design and tuning in MATLAB and Simullink.
8 years ago | 3 downloads |
Answered
PID Tuning tools not supported for plant models of type 'tf'
Your code runs fine when I try it. Could it be you have some 3rd party toolbpx installed which also has pidtune function? Wha...
PID Tuning tools not supported for plant models of type 'tf'
Your code runs fine when I try it. Could it be you have some 3rd party toolbpx installed which also has pidtune function? Wha...
8 years ago | 0
Answered
open_system('scdspeedctrl') How can I get the state space equations for this system?
Big numbers don't mean there is a problem. There is nothing really wrong with what you are doing. To linearize the plant model y...
open_system('scdspeedctrl') How can I get the state space equations for this system?
Big numbers don't mean there is a problem. There is nothing really wrong with what you are doing. To linearize the plant model y...
8 years ago | 0
Answered
how to design a MPC controller for a plant with discontinuities like a switching electric circuit in simulink?
If you already created a linear model when tuning a PID controller you can definitely reuse this model for designing an MPC cont...
how to design a MPC controller for a plant with discontinuities like a switching electric circuit in simulink?
If you already created a linear model when tuning a PID controller you can definitely reuse this model for designing an MPC cont...
8 years ago | 0
Answered
PID Linearization Error - Does not Linearize, says contains 1 Algebraic Loop
I am guessing you trying to tune a PID Controller using "tune" button and getting an error. PID Tuner works by approximating a n...
PID Linearization Error - Does not Linearize, says contains 1 Algebraic Loop
I am guessing you trying to tune a PID Controller using "tune" button and getting an error. PID Tuner works by approximating a n...
8 years ago | 0
Answered
sisotool loopshaping programmatic tuning from MATLAB command line
Control System Designer relies on commands from Robust Control Toolbox documented <http://www.mathworks.com/help/robust/loop-sha...
sisotool loopshaping programmatic tuning from MATLAB command line
Control System Designer relies on commands from Robust Control Toolbox documented <http://www.mathworks.com/help/robust/loop-sha...
8 years ago | 0
Answered
PID tuner doesn't launch
This sounds like a possible case of corrupt installation. Can you please contact technical support, they will be able to help if...
PID tuner doesn't launch
This sounds like a possible case of corrupt installation. Can you please contact technical support, they will be able to help if...
8 years ago | 0
Answered
how to do curve fitting in bodeplot ?
You can use <http://www.mathworks.com/help/control/ug/reduce-model-order-using-model-reduction-app.html Model Reducer app> for t...
how to do curve fitting in bodeplot ?
You can use <http://www.mathworks.com/help/control/ug/reduce-model-order-using-model-reduction-app.html Model Reducer app> for t...
8 years ago | 0
Answered
bode diagram of a tansfert function in Simulink
Take a look at this video, <http://www.mathworks.com/videos/transfer-functions-in-simulink-part-2-extracting-transfer-functions-...
bode diagram of a tansfert function in Simulink
Take a look at this video, <http://www.mathworks.com/videos/transfer-functions-in-simulink-part-2-extracting-transfer-functions-...
8 years ago | 0
| accepted
Answered
negative P gain for PID
Why are you worried that your controller would not be physically realizable? Negative Kp does not mean controller is unstable.
negative P gain for PID
Why are you worried that your controller would not be physically realizable? Negative Kp does not mean controller is unstable.
8 years ago | 1
| accepted
Answered
fuzzy logic vs PID simulink
Perhaps <http://www.mathworks.com/help/fuzzy/examples/using-lookup-table-in-simulink-to-implement-fuzzy-pid-controller.html this...
fuzzy logic vs PID simulink
Perhaps <http://www.mathworks.com/help/fuzzy/examples/using-lookup-table-in-simulink-to-implement-fuzzy-pid-controller.html this...
8 years ago | 0
Answered
Implementation of PID Pole Placement
So which one are you trying to do: tune a PID controller or design a controller using pole placement. Pole placement is done on ...
Implementation of PID Pole Placement
So which one are you trying to do: tune a PID controller or design a controller using pole placement. Pole placement is done on ...
8 years ago | 0
Answered
Matlab seem to forget the Control Systems Toolbox after restart
It seems like a problem with the path, not sure why it is happening. You can try explicitly adding the folder where Control Sys...
Matlab seem to forget the Control Systems Toolbox after restart
It seems like a problem with the path, not sure why it is happening. You can try explicitly adding the folder where Control Sys...
9 years ago | 0
| accepted
Answered
PID controller, transfer function
Something like this would do:(note that this requires Control System Toolbox). P=pid(1) PI=pid(1,1) PD=pid(1,0,1) ...
PID controller, transfer function
Something like this would do:(note that this requires Control System Toolbox). P=pid(1) PI=pid(1,1) PD=pid(1,0,1) ...
9 years ago | 1
Answered
Trying to stabilise a SISO feedback loop with a Cascade PID controller - but it's not working!
First off, looks like you have a typo in your Cq. As Pq already has integrating action, you don't really need an integrator in C...
Trying to stabilise a SISO feedback loop with a Cascade PID controller - but it's not working!
First off, looks like you have a typo in your Cq. As Pq already has integrating action, you don't really need an integrator in C...
9 years ago | 0
Answered
sir i have made simulink model based on fuzzy logic controller when i run model scope show the output plot (step response )but sir how can i get exact value of time responce parameter . i am able to find these parameter of pid based model
Use " <http://www.mathworks.com/help/simulink/slref/toworkspace.html To Workspace> " block to save the response to MATLAB worksp...
sir i have made simulink model based on fuzzy logic controller when i run model scope show the output plot (step response )but sir how can i get exact value of time responce parameter . i am able to find these parameter of pid based model
Use " <http://www.mathworks.com/help/simulink/slref/toworkspace.html To Workspace> " block to save the response to MATLAB worksp...
9 years ago | 0
Answered
In PID tuning using control system tuner why am i getting waveform like this? Why there is no S and T and why in speed response plot its showing zero in actual?
Control System Tuner works by linearizing a Simulink model and then trying to design a controller for the linearized model. You ...
In PID tuning using control system tuner why am i getting waveform like this? Why there is no S and T and why in speed response plot its showing zero in actual?
Control System Tuner works by linearizing a Simulink model and then trying to design a controller for the linearized model. You ...
9 years ago | 0
| accepted
Answered
how to get the control signal from the pid controller?
sys=C/(1+C*TF); step(sys)
how to get the control signal from the pid controller?
sys=C/(1+C*TF); step(sys)
9 years ago | 0
| accepted
Answered
I have DC motor I went apply PID Position Controller for 45 angle
http://ctms.engin.umich.edu/CTMS/index.php?example=MotorSpeed§ion=SystemModeling
I have DC motor I went apply PID Position Controller for 45 angle
http://ctms.engin.umich.edu/CTMS/index.php?example=MotorSpeed§ion=SystemModeling
9 years ago | 0
Answered
Blocks not recognized when linearizing in Simulink
The blocks that are not highlighted are not on linearization path. All it means is that graphically the input linearization poin...
Blocks not recognized when linearizing in Simulink
The blocks that are not highlighted are not on linearization path. All it means is that graphically the input linearization poin...
9 years ago | 1
| accepted
Answered
MIMO ltiblock.pid
This is a bug in the documentation. ltiblock.pid is for representing SISO PIDs only. The bug will be fixed in the future release...
MIMO ltiblock.pid
This is a bug in the documentation. ltiblock.pid is for representing SISO PIDs only. The bug will be fixed in the future release...
9 years ago | 0
Answered
whether matlab function block and trigger block can be linearized?
Hi, Triggered subsystems are discontinuous and would typically not linearize.For cases when exact linearization does not work, ...
whether matlab function block and trigger block can be linearized?
Hi, Triggered subsystems are discontinuous and would typically not linearize.For cases when exact linearization does not work, ...
9 years ago | 1
| accepted
Answered
on which method pidtool command selects parameters of PID?
Please see <http://www.mathworks.com/matlabcentral/answers/64274-how-does-the-simulink-pid-autotuner-work here>
on which method pidtool command selects parameters of PID?
Please see <http://www.mathworks.com/matlabcentral/answers/64274-how-does-the-simulink-pid-autotuner-work here>
9 years ago | 0
Answered
Why the build-in step function and the user defined m-file generate different results
The difference is due to how the derivative term is handled in the simulation. When you use ode45 (the first approach in the que...
Why the build-in step function and the user defined m-file generate different results
The difference is due to how the derivative term is handled in the simulation. When you use ode45 (the first approach in the que...
9 years ago | 1