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	Enhancing Iterative Learning Control With Fractional Power Update Law 期刊论文 OAI收割 IEEE/CAA Journal of Automatica Sinica, 2023, 卷号: 10, 期号: 5, 页码: 1137-1149 作者: Zihan Li; Dong Shen; Xinghuo Yu \| 收藏 \| 浏览/下载：15/0 \| 提交时间：2023/04/26 Asymptotic convergence convergence rate finite-iteration tracking fractional power learning rule limit cycles
	Parameter optimization of passive dynamic walking biped with knees (EI CONFERENCE) 会议论文 OAI收割 2012 2nd International Conference on Materials Science and Information Technology, MSIT 2012, August 24, 2012 - August 26, 2012, Xi'an, Shaan, China 作者: Zhang P. 收藏 \| 浏览/下载：21/0 \| 提交时间：2013/03/25 A method to find the optimized parameter values of passive dynamic walking biped is presented. The effects of biped physical parameters on the stability property of passive gaits are studied by simulation experiments. The chosen parameters include the mass distribution length of leg and slope angle. The stability property of passive walking limit cycles is used as criterion of optimization calculation including the orbital stability described by eigen-values of linearized Poincare map and the global property described by size of attraction region. The simulation results show how the stability of limit cycle varies when physical parameters of the passive biped change. The work is useful to explore the inherent property of passive dynamic walking and can be used as an important instruction in the mechanical design of biped robots based on principle of passive dynamic walking. (2012) Trans Tech Publications Switzerland.
	BIFURCATION CONTROL FOR A CLASS OF LORENZ-LIKE SYSTEMS 期刊论文 OAI收割 INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2011, 卷号: 21, 期号: 9, 页码: 2647-2664 作者: Yu, Pei; Lu, Jinhu \| 收藏 \| 浏览/下载：18/0 \| 提交时间：2018/07/30 Lorenz-like systems bifurcation control feedback controller limit cycles chaos
	The characteristics of granular-bright facet in hydrogen pre-charged and uncharged high strength steels in the very high cycle fatigue regime 期刊论文 OAI收割 Journal of Materials Science, 2010, 卷号: 45, 期号: 3, 页码: 831-841 Y. D. Li; S. M. Chen; Y. B. Liu; Z. G. Yang; S. X. Li; W. J. Hui; Y. Q. Weng 收藏 \| 浏览/下载：76/0 \| 提交时间：2012/04/13 subsurface crack initiation chromium-bearing steel long-life fatigue n-greater-than-10(7) cycles part ii mechanism failure inclusions fracture limit
	The Information acquirement of hyperspectral detection system with harmonic diffractive element in infrared dual band (EI CONFERENCE) 会议论文 OAI收割 ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China 作者: Zhang Y.; Gao Y. 收藏 \| 浏览/下载：19/0 \| 提交时间：2013/03/25 A novel design of combination of hybrid system and zoom system in hyperspectral detection imaging is discribed based on the application of harmonic diffractive element (HDE) compared with conventional system. The principles of HDE and infrared zoom hyspectral detection system are presented and the results of a example design are given. It is show that the resolution of this hybrid system is improved and the light power received by Cassegrain system is enlarged. Wavefront aberrations are less than 1/4 wavelength and Modulation Transfer Function in the dual band on each zoom focus location approaches or attains the diffraction limit on 20 cycles/mm.
	Three limit cycles for a three-dimensional Lotka-Volterra competitive system with a heteroclinic cycle 期刊论文 OAI收割 COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2003, 卷号: 46, 期号: 2-3, 页码: 231-238 作者: Lu, ZY; Luo, Y \| 收藏 \| 浏览/下载：11/0 \| 提交时间：2018/07/30 Lotka-Volterra systems competitive Hopf bifurcation limit cycles