John

Attivo dal 2023

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Domanda

Tuning of box jenkins model parameters to improve accuracy
i am using bj function to identify my system using sys = bj(data, nb, nc, nd, nf, nk); after getting reduced order model usin...

quasi 2 anni fa | 1 risposta | 0

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Domanda

how to write a complex transfer function
how should i write followinG transfer function (tf) in the form of nuemrator and denominator in MATAB -10.45 s^3 - 10.53 s^2 -...

quasi 2 anni fa | 1 risposta | 0

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Domanda

stuck in a small issue related to implementation of an aircraft trim condition code with cost function: error is "TOO MANY INPUT ARGUMENTS"
% TRIM.m clear; clc; close all; global x u gamma; x(1) = 170; x(5) = 0; gamma = 0; name = input('Name of Cost function fil...

quasi 2 anni fa | 2 risposte | 0

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Domanda

how to assign initial values to scalar quantities in simulink function. please help
function [P_dot, Q_dot, R_dot, phi_dot, theta_dot, psi_dot] = fcn(P,Q, R,phi, theta, psi, step_force_x, step_force_y, step_force...

oltre 2 anni fa | 1 risposta | 1

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Domanda

Simulink function giving an error of incorrect dimensions of matrix multiplication. Using MATLAB 2021b.
function op = fcn(ip) mass =5 ; % mass of block x = 0.3; y = 0.2; z = 0.1; % dimensions of block Jx = (mass / 12) * (y^2...

oltre 2 anni fa | 0 risposte | 0

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Domanda

how to give initial condition to simulink function variables
i have tried initial condition block and memory block but they are not working. Does simulink fucntion takes 0 as default initia...

oltre 2 anni fa | 2 risposte | 0

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Domanda

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
which block to be used for giving input to a function with a delay of few seconds, as step input block in sources is not giving ...

oltre 2 anni fa | 2 risposte | 0

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