[IEEE 2019 5th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST) - Kitakyushu, Japan (2019.10.13-2019.10.16)] 2019 5th International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST) - Mechanical Condition Assessment of High Voltage Circuit Breakers Based on Improved Dempster-Shafer TheoryFan, Shishi; Yan, Jing; Han, Luyao; Xu, Mengyuan; Liu, Zhiyuan; Geng, Yingsan; Guan, Chen · 2019