BP neural network PID control method for sparrow search algorithm optimization
A BP neural network and search algorithm technology, applied in the field of BP neural network PID control optimized by the sparrow search algorithm, can solve the problems of slow convergence speed, weak global search ability, easy to fall into local optimum, etc. The effect is obvious and the searcher has a comprehensive effect
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[0019] The present invention will be further described in detail below with reference to the accompanying drawings.
[0020] According to one or more embodiments, a BP neural network PID control method optimized by a sparrow search algorithm is disclosed, such as figure 1 and figure 2 shown, including the following steps:
[0021] S1. Determine the initial population in the sparrow search algorithm, set the fitness function to calculate the initial fitness value, and determine the topology of the BP neural network;
[0022] S2. Update the position of the finder and the position of the follower, randomly select the early warning person and update the position to calculate the fitness and update the optimal value, and judge whether the condition is satisfied. When it is satisfied, the obtained value is given to the BP neural network as the initial weight and threshold. If not satisfied, iterate again;
[0023] S3. Use the optimal weights to train the BP neural network, and c...
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