作者: 张英锋1,2;马彪1;房京2;张海岭1;范昱珩3; (1School of Mechanical Engineering Beijing Institute of Technology;2Academy of Military Transportation;3Weapons Institute of Science and Technology of China)
出处: Journal of Beijing Institute of Technology 2011 第2期 P199-204
关键词: least;squares;support;vector;regression(LS-SVR);fault;diagnosis;power-shift;steering;transmission;(PSST)
摘要: A method of multiple outputs least squares support vector regression (LS-SVR) was developed and described in detail, with the radial basis function (R ...
作者: LIU QingMing,BAI ChunHua,JIANG Li,DAI WenXi,NIU Fang (State Key Lab of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China)
出处: Science China(Physics,Mechanics & Astronomy) 2011 第54卷 第3期 P533-541
关键词: deflagration-to-detonation;transition;spherical;aluminum;dust;epoxypropane;mist;multiphase;explosion;experimental;tube
摘要: The deflagration-to-detonation transitions (DDTs) for clouds of spherical aluminum dust (SAD) mixed with air or epoxypropane mist (EPM) and air were i ...
作者: SONG WeiDong,NING JianGuo (State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China)
出处: Science China(Physics,Mechanics & Astronomy) 2011 第54卷 第9期 P1651-1658
关键词: W-Ni-Fe;composite;dynamic;mechanical;property;microstructure;homogenization;theory;optimization
摘要: A visco-plastic rate-dependent homogenization theory for particle-reinforced composites was derived and the equivalent elastic constants and the equiv ...
作者: YUE BaoZeng,SONG XiaoJuan (Department of Mechanics, School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处: Science China(Technological Sciences) 2011 第8期 P2090-2099
关键词: chaotic;attitude;maneuver;liquid-filled;spacecraft;flexible;appendage;liquid;slosh
摘要: In this paper, the chaotic dynamics in an attitude transition maneuver of a slosh-spacecraft coupled with flexible appendage in going from minor axis ...
作者: Jin WANG,Pei-Jing WANG,Peng GAO,Lan JIANG,Shuo LI,Zeng-Guo FENG (School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处: 材料科学前沿 2011 第3期
关键词: FTIR;polyrotaxane;β-cyclodextrin;self-assembled;structure
摘要: Combining with XRD analysis,Fourier transform infrared (FTIR) spectroscopy is employed to discern the self-assembled structures of β-cyclodextrins (β- ...
作者: 于剑桥,梅跃松,韩朝 (School of Aerospace Engineering,Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第20卷 第1期 P18-22
关键词: trajectory;design;trajectory;simulation;missile;control;hyper-velocity;kinetic;energy;missile
摘要: A movement law of laser beam facula is designed for the injection trajectory of hyper-velocity kinetic energy missile to eliminate the influence of mo ...
作者: 庞晨鹏,刘藻珍 (School of Aerospace Engineering,Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第1期 P36-41
关键词: tightly-coupled;GPS/SINS;integrated;navigation;GPS;outage;GMDH;neural;network;pseudo-range;and;pseudo-range;rate
摘要: A tightly-coupled GPS(global positioning system)/SINS(strap-down inertial navigation system)based on a GMDH(group method of data handling)neural netwo ...
作者: Yunshan ZHANG,Chunqing GAO,Mingwei GAO,Yan ZHENG,Lei WANG,Ran WANG (School of Opto-Electronics,Beijing Institute of Technology,Beijing 100081,China)
出处: 中国光电子学前沿 2011 第4期
关键词: speed;measurement;optical;heterodyne;Tm;YAG;seeding;injection
摘要: A speed measurement system utilizing a stable single frequency Q-switched Tm:YAG laser was presented in this study.The maximum pulse energy of the las ...
作者: 余庆波,王海福,金学科 (State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第20卷 第2期 P173-178
关键词: numerical;simulation;shock;initiation;critical;detonation;velocity
摘要: The behavior of the charge initiation of the coated-type projectile penetrating target is researched by means of numerical simulation. The influences ...
作者: 张运涛,徐春广,潘勤学,刘婧,李喜朋 (Key Laboratory of Fundamental Science for Advanced Machining Beijing Institute of Technology)
出处: Journal of Beijing Institute of Technology 2011 第20卷 第2期 P221-226
关键词: passive;wireless;surface;acoustic;wave;(SAW);torque;strain;transfer;shear;lag
摘要: A shear-lag theory was developed to investigate the strain transfer from the metal substrate to the surface acoustic wave (SAW) resonator through a bo ...
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