中国科学院数学与系统科学研究院期刊网
ACTIVE DISTURBANCE REJECTION CONTROL: METHODOLOGY AND THEORETICAL ANALYSIS
HUANG Yi, XUE Wen-Chao, ZHAO Chun-Zhe
Journal of Systems Science and Mathematical Sciences . 2011, (9): 1111 -1129 .  DOI: 10.12341/jssms11693