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J. Cent. South Univ. Technol. (2009) 16: 0653-0657 DOI: 10.1007/s11771-009-0108-1 Estimation of compaction grouting pressure in strain softening soils YANG Xiao-li(杨小礼), ZOU Jin-feng(邹金锋..., according to the softening elastic-plastic model based on the conventional triaxial compression tests to simulate the strain softening soils. The small strain in the elastic zone and large stain......
Autonomous Path Planning For Robot Manipulators in Manufacturing EnvironmentWei Wang Yang Yang Kui Yuan Information Engineering School, UST Beijing, Beijing 100083, China摘 要:<正> A robot intelligent path planning system(RIPPS), which can be used as a robot off-line programming tool was introduced in this paper. C-space modeling and path search......
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Energy saving analysis of segment positioning in shield tunneling machine considering assembling path optimizationSHI Hu(施虎)1, 2, GONG Guo-fang(龚国芳)2, YANG Hua-yong(杨华勇)2, MEI Xue-song(梅雪松)1(1. State... into account in the mathematical modeling of energy consumed by each actuator. In order to investigate the relationship between the work done by the actuator and the path moved along by the segment......
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Article ID: 1003-6326(2005)05-1125-05 Effect of deformation temperature and strain rate on semi-solid deformation behavior of spray-formed Al-70%Si alloys ZHANG Di(张 迪)1, YANG Bin(杨 滨)1... of the deformation temperature, strain rate and the microstructure were studied. Two strain rates(1s-1and 0.1s-1) and six deformation temperatures (600℃, 720℃ , 780℃, 900℃, 1000℃ and 1100℃) were chosen......
Serret-frenet frame based on path following control for underactuated unmanned surface vehicles with dynamic uncertaintiesLIAO Yu-lei(廖煜雷)1, ZHANG Ming-jun(张铭钧)1, 2, WAN Lei(万磊)1(1. Science...)Abstract:The path following problem for an underactuated unmanned surface vehicle (USV) in the Serret-Frenet frame is addressed. the control system takes account of the uncertain influence induced......
Path planning for unmanned aerial vehicles in surveillance tasks under wind fieldsZHANG Xing(张兴)1, 2, CHEN Jie(陈杰)1, 2, XIN Bin(辛斌)1, 2(1. School of Automation, Beijing Institute of Technology, Beijing 100081, China;2. State Key Laboratory of Intelligent Control and Decision of Complex Systems, Beijing 100081, China)Abstract:The optimal path planning for fixed-wing unmanned aerial vehicles (UAVs......
J. Cent. South Univ. (2016) 23: 3356-3364 DOI: 10.1007/s11771-016-3401-9 Sliding-mode control of path following for underactuated ships based on high gain observer QIN Zi-he(秦梓荷), LIN Zhuang(林壮... Abstract: A nonlinear robust control strategy is proposed to force an underactuated surface ship to follow a predefined path with uncertain environmental disturbance and parameters. In the controller......