基于LuGre摩擦模型的定向井有杆抽油系统动态参数预测
刘柏希, 刘宏昭
Prediction of dynamic parameters of sucker-rod pumping system in directional well based on LuGre friction model
LIU Baixi1, LIU Hongzhao
石油学报 . 2008, (6): 938 -941 .  DOI: 10.7623/syxb200806031