Category "gekko"

Hello everyone. I would like to solve an optimal control problem by minimizing an integral but I get solution not found. here is the code [closed]

I would like to solve an optimal control problem by minimizing an integral, but I get solution not found. Here is the code. J(u)=\int{0}^{500}

How to speed up integer nonlinear programming with 1446 variables in python Gekko?

I'm solving an integer nonlinear programming problem with python gekko, where there're 1446 integer variable, 31 constraints of the linear combinations of there

GEKKO: Statespace Model MPC: Output Data Loop: At the beginning of each calculation step U1 should be the previously calculated value Y

Can you give me a code example with which I can implement the feedback presented in the illustration? I would like to connect per time step the calculation resu

Solving optimal control problem with constraint x(0) + x(2) =0 with GEKKO

I am starting to learn Gekko and I am testing optimal control problems. I am trying to solve the following optimal control problem with Gekko The solution of t

how to model a GEKKO constraint to guarantee the count of variables with same value > k

I have the following objective function : Minimize(sum(abs(di[i]-d[i]) ) ) and I want to add a constraint to make sure that d[i] is appeared at least k times i

I try to use Gekko to find Q, R1 and P1. Why do I report an error

import math from gekko import GEKKO m = GEKKO() Q = m.Var(value=0) # 给定初值为0 P1 = m.Var(value=0) # 给定初

Problem on solving Partial Differential Equations with Gekko Python

I get a converging solution while trying to solve a Partial Differential Equation attached below. In my code, I want to calculate a volume flow rate over time b

discrete-time and continuous-time transfer functions with Gekko sysid

In a project, I have to use python language to tune the PID coefficients of the boiler de-super-heater control loop. So, I use the Gekko package to identify the

Python GEKKO: Objective function not showing correct results

I am trying to optimize the trajectory of a thrust propelled system. The control variable is the mass flow rate, and the final objective is to maximize the mass

GEKKO does not find optimal solution for a moon lander that does not go to zero height at zero speed

I'm trying to solve an optimal control problem where a person lands on the Moon, but has a device that can propel her upwards, via a control parameter, alpha. T

Problem on Solving a 1D Navier Stokes with Compressible Mass Conservation (Hydraulic Damper)

I would like to solve a 1D Navier equation on a cylindrical imposed tubes(cartesian cordinates). The flow is along y direction, with right chamber having press

How to Fix "Solution Not Found" Error in Python GEKKO Optimal Control Code

I'm trying to reproduce the result in Figure 1 of the paper "Immunotherapy: An Optimal Control Theory Approach" by K. Renee Fister and Jennifer Hughes Donnelly,

GEKKO optimizer fails to reach 2nd iteration

I just got started with GEKKO. I am trying to optimize a 3D array with 200 variables, but they only take binary values (0 or 1). This is what my code looks like