Qingquan Liu   Xin Huo   Kang-Zhi Liu   Hui Zhao   
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 69(6) 6173-6181 2022年6月
The spatial disturbance, which depends on position rather than time, is widespread in rotary machines. In this article, an improved control method named accurate cycle aligned repetitive control (ACARC) is proposed to deal with its suppression. In...
Tadanao Zanma   Naohiro Yamamoto   Kenta Koiwa   Kang‐Zhi Liu   
IET Cyber-Physical Systems: Theory & Applications 7(3) 113-123 2022年1月
These days, networked control systems (NCSs) in which data is transmitted via communication have been actively studied for many potential applications. In an NCS, data dropout degrades control performance depending on network conditions. For an NC...
Fang Liu   Jianghu Wan   Li Jiang   Yong Li   Kang Zhi Liu   
IEEE Transactions on Power Electronics 2022年
This paper proposes a soft switching full bridge ac-dc converter consisting of its hard switching counterpart and simple active auxiliary branch. The auxiliary branch is composed of an inductor and two power switches. The proposed converter featur...
Fang Liu   Haotian Li   Qianyi Liu   Kangzhi Liu   Danyun Li   
IEEE Transactions on Power Delivery 2022年
The original model-based wide-area damping control (WADC) is difficult to obtain good damping performance due to the complex structure of interconnected power systems. In this paper, an improved data-driven model-free adaptive control (ID-MFAC) al...
Chao Gan   Wei Hua Cao   Lu Zhao Wang   Kang Zhi Liu   Min Wu   
IEEE Transactions on Industrial Electronics 2022年
Optimization control of the rate of penetration (ROP) is crucial in the drilling process due to its vital role in improving the drilling efficiency and safety. In this paper, an improved dynamic optimization control system for ROP is proposed and ...