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Need guideline for PID control design based on Lyapunov approach
Given a 2nd-order linear system: you want to find a general analytical expression for directly in terms of the elements of a...
etwa 20 Stunden vor | 0
How to multiple very large numbers in Matlab?
When I was a young kid, I remember a math teacher showing our class a brilliant trick to find the product of a number consisting...
3 Tage vor | 0
Using matlab to solve Lyapunov function
Despite this is a standard homework question, professors almost never use MATLAB to demo a rigorous Lyapunov or LaSalle stabilit...
4 Tage vor | 0
How do I input "dy" in the default sisotool architecture?
The symbol "dy" should be mathematically read as where the subscript "y" is associated with the output "y". From its placement ...
4 Tage vor | 0
How to pass step forcing function in system model to ode15s
Hi @Andrew While the ODE solver can change its integration step size on the fly to find sharp corners, by drastically shrinking...
7 Tage vor | 0
How can I control the output range using the anfis() function?
In a standard ANFIS, one cannot directly restrict the output universe of discourse or the final output to a specific range such ...
15 Tage vor | 0
Error in MATLAB code for Sugeno fuzzy system
The FIS output object of y is "Outputs", not "output". It's a syntax error. The "newfis" and "setfis" commands have been removed...
15 Tage vor | 0
how to plot states of takagi-sugeno state space model in matlab?
This example is presented because the forum and official documentation lack comprehensive, functional examples of the Takagi–Sug...
17 Tage vor | 0
Plotting Symbolic 3x3 System of Equations
Hi @Athanasios Paraskevopoulos This is a meaningful contribution toward writing a linear algebra textbook for high school stude...
17 Tage vor | 0
why its giving NaN (Not a Number)
I revisit the problem. There is no error in the coding terms. Although the nonlinear aircraft system is intended to be modeled a...
18 Tage vor | 0
Hello. I want to model an SVC (with TSC & TCR) for power factor correction, but I would like to use a PI controller to control the SVC. How can I do that?
Hi @Fretz What you requested here is almost equivalent to the effort required to produce a thesis or an industrial technical re...
20 Tage vor | 0
Axes label in root locus
Hi @Anna This is not a solution to the R2026a labeling issue with rlocus or rlocusplot, but rather a primitive math approach (o...
20 Tage vor | 0
| akzeptiert
How to avoid horizontal black lines across the map and how to force Meridian lines to print every 30°on the map?
Cartography isn’t my business, but it seems that disabling crs.ProjectionParameters in the generated code removes those thick bl...
22 Tage vor | 0
If f(t) =t^n, find L [f(t)]
Use the command from Symbolic Math Toolbox. syms u t % creates symbolic variables f = sin(u*t); % the expression f(t...
27 Tage vor | 0
Plotting fit lines on multiple sets of data in one plot - how to limit each of the fit lines start and end points?
Hi @Caelan Without seeing the code, I suspect you may have accidentally extrapolated at query points outside the domain covered...
etwa ein Monat vor | 0
is it easy way to use robust fuzzy logic controller for AGV
Hi @Medihiya In my design experience, it may not be as simple as @Umar described above. While it is necessary to ensure that th...
etwa ein Monat vor | 0
how to write fuzzy rules for pd controller
To design a fuzzy controller that achieves the same performance as a conventional PI or PD controller, we can use a 9-rule Sugen...
etwa 2 Monate vor | 0
sugeno -to - mamdani conversion
In the past, we cannot convert a Sugeno system to a Mamdani system because it will force MATLAB to perform a structural transfor...
2 Monate vor | 0
formula for exponential membership function
Technically, it is called the Laplace distribution, or the double exponential distribution. The Gaussian MF has a rounded peak, ...
2 Monate vor | 0
Solving two masses connected in series by springs
Hi @Robert Just additional lines for the displacement, velocity and acceleration of the 2nd spring. % ODEs of two springs fun...
2 Monate vor | 1
| akzeptiert
Fuzzy MPPT Limit Cycle Oscillation: Duty cycle hunting between 0.2 and 0.35 (Boost Converter)
Hi @一超 I can't provide definitive answers to those 3 questions, but identifying the MPPT system transfer function and the perfo...
3 Monate vor | 1
| akzeptiert
SOSTOOLS for differential-algebraic systems?
Hi @Husni Rois Ali, This is not a complete answer in the MATLAB or SOSTOOLS sense, but it should provide insight into approachi...
3 Monate vor | 1
| akzeptiert
how to generate this sawtooth waform with phase shift of 4pie/5
Hi @Sibongakonke There are several ways to generate a sawtooth wave. When seeing a repetitive pattern of straight line segments...
3 Monate vor | 0
PID controller in matlab code
Hi @mohammed hussein I revisited the problem, and you can perhaps use this as a mini guide. The manually estimated model is not...
3 Monate vor | 0
| akzeptiert
Control System Analysis Techniques course error
Hi @Dunbarin If this topic is related to control systems, you are probably required to implement the controller on the open-loo...
4 Monate vor | 0
Is there a model of a three-phase, four-wire permanent magnet synchronous motor with a pure signal flow in Simulink?
Hi @钦伊 You can find the Three-phase PMSM drive model here. It uses the PMSM motor block, which requires Simscape™ Electrical™ (...
6 Monate vor | 0
what's wrong with matlab dsolve ?
Hi @Dario This is not a solution to your problem but a demo to show the comparison between the numerical solution and the analy...
6 Monate vor | 0
How do I find primitive polynomials for n > 16?
Hi @arthur The documentation for the function primpoly() indicates that the max degree is 16. You may consider using another fu...
6 Monate vor | 0
| akzeptiert
control of pumping station electrical devices via a fuzzy logic controller
Hi @Nabiyev Muslim You have confirmed my suspicion that removing the integrator indeed stabilizes the system, even though the r...
6 Monate vor | 0
