Joshua Levin Kurniawan
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How to validate that one datetime is greater than another
You can use traditional logical operator for datatime. Operator "<", if true, means that the first datatime will occurs sooner t...
1 year ago | 0
Question
Using fmincon to optimize Simulink model for optimal trajectory
Hello, so i want to search for optimal trajectory (by defining spline) position input to the Simulink Simscape Multibody model t...
1 year ago | 1 answer | 0
1
answerHow to use operations in for loop problems
For this task, you can use for loop as follows A = zeros(3,20); for ii = 1:60 if ii<=20 A(1,ii) = ii^2; %first o...
1 year ago | 1
| accepted
How to use LQR for setpoint tracking?
Hello Pedro. Regarding the LQR controller it has a unique properties. In this case, without an integral action, the controller o...
1 year ago | 1
Issue with contour plot due to different size
Here, the issue is that the size for using "contour" function is MATLAB must be comply as follows: t0 must be equal to size(H0I...
1 year ago | 1
| accepted
Rewriting in columns of Excel sheet
Hello, you can add this lines of code to create 3 loops by simply using for loop with defined matrix below. % Parameter combi...
1 year ago | 2
Does Matlabappdesigner support webmaps?
Unfortunately, it's not. However, you can utize the built-in Geoplot function from MATLAB. Hereby I attach the documentation for...
1 year ago | 2
| accepted
i want to solve 3 non linear equations in matlab
Hello, you can use the following code syms x y e1 e2 e3 eq1 = 72.25 + 23.29*x - 25.79*y - 6.592*x*y - 27.98*y^2 - 7.255*x*y^...
1 year ago | 2
What is the critical gain and critical period in twin rotor MIMO system? How to calculate critical gain in twin rotor MIMO system?
To check the critical gain and period for MIMO system, you can check the link below: Stability Margin using Control System Tool...
1 year ago | 1
I am trying to solve the system of two linear differential equations and create a phase diagram to asses the stability of the system.
First, you can define the ODE function function dydt = myODE(t, y, gamma, beta, yn, delta, lambda, pt, alpha) y1 = y(1); ...
1 year ago | 2
simulation of a rov in simscape
Have you already put gravitational acceleration value in Mechanism Configuration Block? To enables the gravitational effect to y...
1 year ago | 3
| accepted
Simulink rocket simulation, the scope is not working
What is your stop time? it seems like that the scope time scale is to big. In the top-right corner, you can click Scale X & Y (s...
1 year ago | 1
how to resolve that error?
In StateFlow, you need to define all of the variables. From what I see from the figure, you seems like to forgot assign variable...
1 year ago | 2
I am getting error:Warning: Failure at t=0.000000e+00. Unable to meet integration tolerances without reducing the step size below the smallest value allowed (7.905050e-323)
Error "Unable to meet integration tolerances without reducing the step size below the smallest value allowed " usually appears w...
1 year ago | 2
