ZHOU Yunlong, SONG Lianzhuang, ZHOU Hongjuan. Measurement of particle velocity in dilute phase based on PSO and Hopfield network matching[J]. CIESC Journal, 2011, (2): 348-354.
ZHOU Yunlong, SONG Lianzhuang, ZHOU Hongjuan. Measurement of particle velocity in dilute phase based on PSO and Hopfield network matching[J]. CIESC Journal, 2011, (2): 348-354.DOI:
A particle tracking velocimetry algorithm was proposed based on particle swarm optimization (PSO) and Hopfield neural network.Dilute-phase particle images were captured by digital high-speed video system in gas-solid flow
and the image centroid parameters were extracted by using image processing techniques.The particle matching was changed to a optimization problem
which was realized by using particle swarm optimization algorithm and Hopfield neural network
and the correct matching of particles was achieved by getting the optimal solution.Then the velocity vector of particles was calculated with PSO and Hopfield network matching and compared with the one obtained by using the cross-correlation algorithm.The results showed that this method could accurately track dilute-phase particles and could be an effective way to measure the flow velocity of dilute-phase.