Nonlinear Modal Analysis of Parallel Pointing Mechanisms Considering Time-varying Clearances
SUN Jing, HAN Xueyan, WEI Yuanhao, CHEN Shuang, LI Shihua,
China Mechanical Engineering . 2021, (14): 1700 -1708,1715 .  DOI: 10.3969/j.issn.1004-132X.2021.14.008