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Solve non linear equation with vector
Hi @Guilherme Lopes de Campos I have fixed the function f in the code. Now it should be working correctly. The dados.mass and d...

quasi 3 anni fa | 0

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Plotting trapezoids in one graph
Hi @davut Mathematically, these plots represent piecewise linear functions. The easiest way is probably to use the trapezoidal ...

quasi 3 anni fa | 2

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One of the systems I want to control with PID is the state space equation with disturbances. Can someone help me to design matlab function of the system? Please
Hi @veysel burçak I have fixed the code in the MATLAB Function block. The initial condition is assigned in the Integrator block...

quasi 3 anni fa | 1

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Lumped mass model of underwater tethered ROV
Hi @Dhruvit Without providing the governing physical laws, it is relatively difficult to show you how to model it in Simulink. ...

quasi 3 anni fa | 0

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how to assign initial values to scalar quantities in simulink function. please help
Hi @John You can insert the initial values in the Integrator block as shown in the example below:

quasi 3 anni fa | 1

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Heat transfer modelling of motor
Hi @Kranz, Before modeling, I recommend creating a sketch of the heat transfer process in the form of a Piping & Instrumentatio...

quasi 3 anni fa | 0

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why function giving error?
Hi @ANDREW Your incomplete Artificial Bee Colony (ABC) algorithm is largely unmodified. I just added Phase #6 (to find the best...

quasi 3 anni fa | 2

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How to solve the error "Gaussian membership function must have positive sigma value"
Hi @Avijit Paul and @林朝潘 The error indicates that either you or your algorithm made a mistake by assigning a negative value to...

quasi 3 anni fa | 0

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I want to plot Basin of attraction. I have written a few line of code given below.Please help some one
Hi @MD KAUSAR SK I'm unsure if the basin of attraction exists or not because a random sampling of the initial conditions in the...

quasi 3 anni fa | 0

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I want to implement a switch which will open or close based on some conditions. Kindly suggest how can I achieve this?
Hi @Optimus I think the switch action can be mathematically described by , with the state '0' means disconnect, and '1' means...

quasi 3 anni fa | 0

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Please suggest the online free course of modelling and simulation using matlab
Hi @Ali Asghar If you are referring to dyanmic systems, then you can find a lot of system modeling examples here: https://ctms...

quasi 3 anni fa | 0

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Voltage control for buck converter
Hi @Usman I'm unfamiliar with the buck converter model. But I can show you a simple example below to demonstrate the basic mode...

quasi 3 anni fa | 0

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Plotting an Spring Damper system, with an MR damper.
Hi @Gidel To log the data signals to workspace from the Simulink model, use the To Workspace block, as shown below. Double-c...

quasi 3 anni fa | 1

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Gain block problem?
Hi @Rushi Patel If you have the Aerospace Blockset installed, then you can find and use this Angular Velocity Conversion block ...

quasi 3 anni fa | 0

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RC Circuit in Simulink and Simscape
It's an Example that comes with Simscape toolbox. From the error message, most likely Simscape is not installed. help ssc_rc_ci...

quasi 3 anni fa | 0

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Understanding the following line of code regarding Gaussian distribution.
Hi @charu shree This variable samples_gaussian is unused in plotting the pdf and cdf. The code runs without error. % Number of...

quasi 3 anni fa | 2

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Simulink state space observer output issue
Hi @Kenny See my analysis below: A = [0 1; 0 -32]; % state matrix B = [0; 8]; % input matrix C = [1 0]; ...

quasi 3 anni fa | 2

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How can i scale the action of DDPG agent in Reinforcement Learning?
Hi @awcii Sound like a constraint to me. This example shows how to train the RL agent for Lane Keeping Assist, where the front ...

quasi 3 anni fa | 0

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Error with Fuzzy Tree Model
HI @Layla Mohammad Please check this out and see if these MFs, Surfaces, and the FIS Tree are what you are expecting. % Fuzzy ...

quasi 3 anni fa | 2

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How to integrate varying-size signals in simulink?
Hi @Dhruvit The error seems to indicate that there is a problem with the dimensions of your acceleration term (3xn matrix) when...

quasi 3 anni fa | 1

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I want to isocline induced step function
Hi @MD KAUSAR SK The above code seems to be generated by ChatGPT and it has flaws. You shouldn't directly use or blindly trust ...

quasi 3 anni fa | 0

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One of the systems I want to control includes disturbances in the input matrix. How can I convert this state space equation into a transfer function?
Hi @veysel burçak Sounds interesting. I wonder how you will design the controller for the system subject to the mismatched dist...

quasi 3 anni fa | 2

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plot w=exp(-x/0.3042) (when 0<w<1)
Hi @haeri The plotting is merely a basic skill that you can learn in MATLAB Onramp. More importantly, you need to know some pro...

quasi 3 anni fa | 0

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Hello: i want to give a step input to my simulink function which starts at 1 second and ends at 1.1 seconds and having an amplitude of 0.1. Step block not working
Hi @John, Mathematically, the functions looks like this: where is the amplitude. So, you just need to construct the blocks ...

quasi 3 anni fa | 1

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How do I curve fit the data set
Hi @Prajwal Magadi Not sure if this is what your want. But you can try finding the best math function to fit. data = load('cur...

quasi 3 anni fa | 1

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I am not finding directional control valve in MATLAB R2022a, how to proceed? Have MATLAB deleted control valves?
Hi @KANGKAN If you are looking for directional valve blocks in Simulink, they can be found in the Simscape Fluids library. htt...

quasi 3 anni fa | 0

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How to design a robust PI controller based on the Sensitivity peak value
Hi @Rinitha Rajan From the excerpt below, the and are the parameters to be determined to make up for the Proportional–Integra...

quasi 3 anni fa | 0

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How to convert state space to transfer function
Hi @Ali Almakhmari I think you can rearrange the matrices manually because can be expressed as . So, if , then in comp...

quasi 3 anni fa | 1

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I'd like help with the ode45 function for a biological model
Hi @Chatowa Try if you are expecting this result for tspan = [0 96]; y0 = [1.06 1.06]; [t, y] = ode15s(@odepharm, tspa...

quasi 3 anni fa | 1

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How to Implement 3rd order equation in matlab script?
Hi @Prajwal Magadi If and are functions of , and is the independent variable, then what exactly is ? How does it look like o...

quasi 3 anni fa | 1