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how can i use the genetic algorithm in order to optimization the pid controller in quadruple-tank system

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how can i use the genetic algorithm in order to optimization the pid controller in quadruple-tank system

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Sam Chak
Sam Chak 2023년 3월 17일
Here are the steps to use the genetic algorithm (GA) to optimize the PID controller in the quadruple-tank system:
  1. Define the fitness function: The fitness function evaluates the performance of the PID controller in controlling the water level in each tank. The fitness function can be defined as the sum of the squared error between the desired water level and the actual water level over a certain period of time.
  2. Define the chromosome: The chromosome is the representation of the PID controller parameters. For example, the chromosome can be a vector [Kp, Ki, Kd].
  3. Generate the initial population: The initial population is a set of random chromosomes. The size of the population can be determined based on the complexity of the problem.
  4. Run GA until convergence: The process of selection, crossover, and mutation is repeated until the population converges to a satisfactory solution. The chromosome with the highest fitness value is the optimal set of PID parameters.
  5. Implement the PID controller: Use the optimized PID parameters to implement the PID controller and control the water level in each tank of the quadruple-tank system.

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