IFOA-KELM-MEA model based transient prediction on down-hole working conditions of beam pumping units
LI Kun, HAN Ying, SHE Dongsheng, WEI Zefei, HUANG Haijiao
CIESC Journal . 2017, (1): 188 -198 .  DOI: 10.11949/j.issn.0438-1157.20160834