[1] Richard C, Robert A, Dmitry Berger, et al. Gas discharge laser with gas temperature control[P]. 2000.
[2] Hattori, Osamu, Nikon Corporation. Laser beam control for an exposure apparatus[P]. 2004.
[9] Hao Yuxiang, Yang Xiaoping, et al. An improved expert intelligent PID algorithm in AQM network[C]. Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010, 234.
[11] Xia Anjun, Xu Hao, Hu Shuju, et al. Pitch control of large scale wind turbine based on expert PID control[C]. Electronics, Communications and Control (ICECC), 2011 International Conference on IEEE[M]. 2011: 3836-3839.