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		自抗扰控制框架下的摩擦力振动分析 1)
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			ANALYSIS OF FRICTION INDUCED VIBRATION UNDER THE ACTIVE DISTURBANCE REJECTION CONTROL FRAMEWORK 1)
			 
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		 图 11. $\beta=0.9$时LuGre模型系统分岔图(实线: 稳定解枝, 虚线:不稳定解枝)  | 
	
Fig. 11. Bifurcation diagram for the LuGre model system with $\beta=0.9$(solid line: stable branch, dashed line: unstable branch)  | 
	
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