The research of the pulse oxygen supply based on the fuzzy control technology Faling Hu, Tongfeng Niu, Jun Yao, Bingyan Cui, Haoxing Xu, Hong Liu, Shujuan Chen and Yusong Zhou MATEC Web Conf., 189 (2018) 06012 Published online: 10 August 2018 DOI: 10.1051/matecconf/201818906012