作者： YU Jianqiao，LUO Guanchen，MEI Yuesong （School of Aerospace Engineering，Beijing Institute of Technology）

出处： Chinese Journal of Aeronautics 2011 第24卷 第3期 P279-286

关键词： gain；scheduling；loop；transfer；recovery；pole；assignment；autopilot；design；flight；control

摘要： 采用线性二次高斯/回路传递复现(LQG/LTR)增益调度技术设计地空导弹增益调度自动驾驶仪。为消除传统"试错"设计过程在系统中所引起的人为不确定性,提出一种基于极点配置的目标回路设计方法。此方法提供了由体现性能指标要求的期望极点构造矩阵微分Riccati方程(MDRE)的具体算法。同时,还证明了引入 ...

作者： ZHAO Wanzhong，SHI Guobiao，LIN Yi and NIE Hong （College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016,China；School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China；College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China）

出处： 机械工程学报(英文版) 2011 第4期 P584-590

关键词： recirculating；ball-type；electrical；power；steering；(EPS)；system；tracking；performance；mixed；H2/H∞

摘要： The tracking performance of motor current is an important factor that affects the assistance torque of electric power steering (EPS) system. Bad track ...

作者： LI Jun，GAO Xueshan，FAN Ningjun，LI Kejie，JIANG Zhihong，JIANG Zhijian （School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China；School of Electric and Information Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China）

出处： 中国机械工程学报 2011 第6期

关键词： wail-climbing；robot；adsorption；performance；centrifugal；impeller；CFD；simulation

作者： 许卫宝¹;刘保果²;宋遒志³; （¹School of Shipbuilding Engineering,Harbin Engineering University;²Navy Armament Department;³School of MechatronicalEngineering,Beijing Institute of Technology）

出处： 北京理工大学学报(英文版) 2011 第4期 P558-563

关键词： flame；baffle；thermal；barrier；coating；cooling；factors

摘要： In order to study the thermal insulation and cooling properties of thermal barrier coatings of a flame baffle,several ZrO2 thermal barrier coatings wi ...

作者： 李守殿^1,2;袁士伟³;曾庆轩¹; （¹State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology;²Ordnance Industry Planning Research Institute of China;³School of Astronautics,Beihang University）

出处： 北京理工大学学报(英文版) 2011 第3期 P306-311

关键词： multipoint；initiation；control；system；in-line；electronic；safety；and；arming；virtual；instrument

摘要： In order to improve the power of initiating explosive warheads,besides exploring new type of high explosive,multipoint initiation technology becomes t ...

作者： Asad Naeem Shah （National Lab of Auto Performance & Emission Test,Beijing Institute of Technology；Department of Mechanical Engineering,University of Engineering and Technology,Lahore 54000,Pakistan）

出处： Journal of Environmental Sciences 2011 第3期 P419-426

关键词： vehicle；specific；power；PEMS；driving；modes；fuel；consumption；factors

摘要： On-road emission and fuel consumption (FC) levels for Euro III and IV buses fueled on diesel and compressed natural gas (CNG) were compared,and emissi ...

作者： LI Xiao-yang，Henry Shi Li，SONG Wei （School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China；College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China）

出处： 北京理工大学学报(英文版) 2011 第3期 P403-409

关键词： heterogeneous；wireless；sensor；network；routing；pairwise；key；energy；security

摘要： An improved LEACH for heterogeneous wireless sensor networks is proposed.Nodes are distributed in a sensing area that is divided into a number of same ...

作者： Hong Zhao，Yunshan Ge，Jianwei Tan，Hang Yin，Jiadong Guo，Wei Zhao，Peipei Dai （National Lab of Auto Performance ζ Emission Test, Beijing Institute of Technology, Beijing 100081, China.；College of Mechanical ζ Electronic Engineering, Qingdao University, Qingdao 266071, China；National Lab of Auto Performance ζ Emission Test, Beijing Institute of Technology, Beijing 100081, China.；National Lab of Auto Performance ζ Emission Test, Beijing Institute of Technology, Beijing 100081, China.；The Chinese Research Academy of Environmental Science, Beijing 100012, China）

出处： Journal of Environmental Sciences 2011 第11期 P1831-1838

关键词： mixing；ratio；methanol/gasoline；blend；BTEX；carbonyl；compounds；new；three-way；catalytic；converter

摘要： Regulated and unregulated emissions from four passenger cars fueled with methanol/gasoline blends at different mixing ratios (M15,M20,M30,M50,M85 and ...

作者： FENG Jining，YANG Xiaobo，DIAO Zhejun，GONG Wenfei，WU Siliang （The Electronic Engineering Department Hebei Normal University Shijiazhuang China Shijiazhuang Professional Technology Institute Shijiazhuang China School of Electronics and Information Engineering Beijing Jiaotong University Beijing China School of Information Electronics Beijing Institute of Technology Beijing China）

出处： 电子学报(英文版) 2011 第4期 P676-680

关键词： IIR陷波滤波器；时变AR模型；窄带干扰抑制；自适应陷波器；直接序列扩频；瞬时频率估计；VAR模型；FIR滤波器

作者： 谭恩忠^1,2;殷鹏刚¹;李丽东¹;郭林¹; （¹School of Chemistry and Environment,Beijing University of Aeronautics and Astronautics;²Department of Mathematics and Physics,Beijing Institute of Technology Petrochemical）

出处： 中国光学快报：英文版 2011 第9卷 第8期 P86-89

关键词： SERS；spots；fluctuating；Brownian；bands；citrate；Rhodamine；thoroughly；silver；contained

摘要： The single-molecule surface-enhanced Raman scattering(SERS) spectra of Rhodamine 6G(R6G) in anaqueous environment under non-resonance conditions are s ...