A hybrid interval prediction model for the PQ index using a lower upper bound estimation-based extreme learning machine

Zhu, YS; Wang, XL; Wang, JJ; Xue, LL; Yu, J; Chen, WL

Wang, XL (corresponding author), Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China.

SOFT COMPUTING, 2021; 25 (17): 11551

Abstract

The PQ index is an integrated grouting process parameter that represents the relationship between grouting pressure and grout flow. By tracking the va......

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