PSO in simulink
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Hi. I want to run PSO algorithm in Simulink with s-functions.I will do optimization of control system with PSO. Could you help me? You can suggest anathor way for this. Thank you very much.
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Answers (3)
  Seth Popinchalk
    
 on 10 Feb 2011
        
      Edited: John Kelly
    
 on 27 May 2014
  
      In general, optimization is applied to a Simulink model using MATLAB commands to adjust variables that define the parameters of the simulation. Using Particle Swarm Optimization (PSO) to optimize a system modeled in Simulink can use the same approach. Define the system you would like to optimize in Simulink and some measurement of quality of the solution based on the outputs of the simulation. Use MATLAB workspace variables to define the parameters of the system that are changing, including initial conditions or input signals to the model. The simulation can be run using the sim command to generate the outputs of the model.
Using a PSO Algorithm initialize the particles using random positions in your solution space. Run a simulation for each particle so you can calculate the quality measure. Update the particles best known position if you have improved this measure of quality.
Each particle solution can be run in parallel by running the sim command within a parfor loop.
5 Comments
  Sriniwas@AT
 on 13 Jun 2013
				Seth Popinchalk - Is it really possible to implement Partcile Swarm Optimization algorithm for online optimization rather than offline optimization?
My idea was to perform this PSO algorithm using an Embedded Matlab Function block inside a simulink model.
  Bahaa Abdulkhaliq
 on 3 Dec 2018
				hello, please how can i perform pso code inside an embedded function . lhave some problems 
  mohamed elbesealy
      
 on 8 Oct 2016
        hello
4 Comments
  Quan Zhou
 on 31 Jan 2017
				this is an offline optimisation, the connection among m-file and Simulink is in the tracklsq.m file. hope this would help. In addition, have you find any online demo using PSO controller in the loop.
  syukron jamil
 on 13 Sep 2017
				
  Kiprono
 on 12 Feb 2013
        Have a look at this paper. It explains pso implementation as an s-function: http://www.sciencedirect.com/science/article/pii/S0038092X12001247
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