, K and K<d>) of a PID controller by using a mono-neuron control technology; performing online optimization of the initial parameters (K<P0>, K<I0> and K<d0>) of a neuron PID controller and the neuron learning rates (eta<1>, eta<2> and eta<3>) by using an improved particle swarm optimization; and, after three parameters of the PID controller adaptive to the dynamic wireless sensor network environment are obtained, calculating the abandon probability (P), and abandoning a data packet, wherein the learning factor for optimization by adopting the particle swarm optimization is as follows: C<1>=0.95+0.1*rand, C<2>=C<1>; and the value of a weighting coefficient (w(k)) is adjusted by using a guide Hebb learning algorithm. Thereby, the parameters of the PID queue congestion algorithm are adjusted online; therefore, the parameters are suitable for characteristics of the wireless sensor network; and thus, the purpose of relieving the wireless sensor network congestion is achieved.
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