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2009 Vol. 35, No. 8

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Requirement characteristics of low-aspect-ratio combat flying wings- roll axis control power
Wang Lixin, Li Lin
2009, 35(8): 909-912.
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The roll axis control power of low-aspect-ratio flying wings were assessed based on the criteria for Class Ⅳ aircraft presented in MIL-STD-1797A. The relationship of the roll performance requirement and the roll axis control power requirement was provided. Low-aspect-ratio flying wings need more rol...
Application of Gurney flap on certain target drone
Zhao Yuanli, Zuo Linxuan, Yu Dongsheng, Wang Jinjun
2009, 35(8): 913-916.
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Experiments of Gurney flap on aerodynamics of a certain target drone were conducted in wind tunnel, the height of Gurney flap is in the range of 0.83%c~4.2％c(c—root chord length of target drone wing in the experiment). For the target drone without sideslip, Gurney flap could enhance lift at medium a...
Route planning method for multiple vehicles coordinated target assignment
Wei Tietao, Qu Xiangju
2009, 35(8): 917-920.
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Multiple vehicles coordinated target assignment is the key problem to improve the efficiency of team fighting in the mission of multiple vehicles attacking multiple target regions. A route planning method for this problem was presented with consideration of the differences in vehicle ability, cooper...
Autopilot design for missile controlled by lateral thrust/aero force using combined optimal/classical approach
Xing Lidan, Chen Wanchun, Yin Xingliang
2009, 35(8): 921-924.
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To design the autopilot of the missile controlled by both lateral thrust and aerodynamic force, an approach utilizing the combination of optimal control and the frequency analysis in classic control was proposed. The autopilot structure and the gain values were obtained according to optimal control,...
Hidden-removal method of perspective drawing based on constrains between lines and junctions
Mao Xia, Shen Wei, Zhao Xingyuan
2009, 35(8): 925-928.
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It makes a significant sense to obtain the 3-D information of the building correctly either in martial and civilian field. A method to remove the hidden lines and junctions of perspective drawing was proposed. Firstly, the visibility judgment of each model surface was made using the plane formula an...
Driver fatigue prediction with eyelid related parameters by support vector machine
Hu Shuyan, Zheng Gangtie
2009, 35(8): 929-932.
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Various investigations show that drivers- drowsiness is one of the main causes of traffic accidents. Thus, countermeasure device which should be able to predict the accidents accurately with low ratio of false alarms is currently required in many fields for sleepiness related hazard prevention. Drow...
Analysis of wake pattern and vortex evolution in flow past circular cylinder
Dong Shuangling, Wu Songping
2009, 35(8): 933-937.
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In low-Reynolds-number flow passing circular cylinder, fluid experiences a relatively complex process,for instance,the vortex in the near wake does not roll up and diffuse axisymmetrically.Field and Lagrange viewpoint were used to analyze flow field characteristic at fixed time and flow process duri...
Coupled analysis on flow field-temperature distribution of aircraft-skin
Lü Jianwei, Jianwei Wang
2009, 35(8): 938-941.
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An analysis of the aircraft skin temperature field of the physical mechanism and the establishment of the aircraft skin temperature coupling calculation of the theoretical model were presented. A more complete factor of the various sources of heat on the surface skin of the aircraft was considered, ...
Detecting method of quantitative colloidal gold test strip concentration
Wang Shuai, Zheng Dezhi, Fan Shangchun
2009, 35(8): 942-945.
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Colloidal gold immunochromatography assay concentration detecting method uses the colorimetric principle, which compares with the color standard card by using color varietal detection area, after a reaction between antigen of the measured liquid and antibody of the reagent strip. It-s a qualitative ...
Contaminant concentrations dynamic prediction method for aircraft cabin based on estimating emission rates
Pang Liping, Qu Hongquan
2009, 35(8): 946-949.
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The probability of air pollution in aircraft cabin will be increased with the prolongation of passenger aircraft pilot time, so it is very important to predict the contaminant concentrations dynamically. The key is source emission rate estimation and concentration dynamic prediction method. For the ...
Satellites formation reconfiguration with multiple impulses
Li Baojun, Shi Peng, Zhang Hao, Zhao Yushan
2009, 35(8): 950-952.
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Satellite formation flying (SFF) reconfiguration using multiple impulses was studied, which was mainly focusing on fuel efficiency.The elliptic reference orbit was considered. First the mathematical description of multiple-burn maneuver was established based on the analytical solution of the Lawden ...
Quiet zone evaluation method for offset single reflector CATR of separated transmitting-receiving feeds
Wang Hui, Bai Ming, Zhao Xin, Miao Jungang
2009, 35(8): 953-956.
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Based on the Lorentz reciprocity theorem, an evaluation method was proposed for the quiet zone of offset single reflector compact antenna test range (CATR) with separated transmitting-receiving feeds. Two feeds and reflector compose two separate and measured-mutually antenna systems, and there are t...
Robust vibration control of flexible piezoelectric structure
Yang Haifeng, Wang Xiaojun, Qiu Zhiping
2009, 35(8): 957-961.
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The robust vibration control for the flexible cantilever beam system with polytopic-type uncertainties and environmental disturbances is studied. Based on the state equation, the improved multi-objective H2/H∞ state-feedback robust control method is proposed for the flexible cantilever beam system b...
Delaunay triangulation and Voronoi diagrams for Riemannian manifolds
Cheng Dan, Yang Qin, Cai Qiang, Jin Maozhong
2009, 35(8): 962-967.
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Delaunay triangulation and Voronoi diagrams in Riemannian space were studied. Firstly, the existence and generation algorithm of Delaunay triangulation and Voronoi diagrams were discussed. Then on the basis of analysing the existed research achievements, some properties of Delaunay triangulation and...
Effects of randomicity for strut cross-sectional areas on elastic properties of Voronoi open-cell foams
Lu Zixing, Wang Jianyue
2009, 35(8): 968-971.
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Based on Voronoi random foam model, the random distribution of strut cross-sectional areas(SCSAs) was introduced, and its effects on nonlinear compressive and tensile behavior and anisotropic elastic properties were investigated. Influences of the model irregularity and randomicity of SCSAs on foams...
Analysis for environmental control system on civil aircraft
Liu Meng, Yuan Lingshuang, Wang Jun
2009, 35(8): 972-975.
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The advanced technology of environmental control system(ECS) from Boeing and Airbus was introduced. A new concept for ECS was raised, which applied vapor cycle refrigeration with frequency scroll compressor using refrigerant R134a. ECS penalty was calculated with the method of take-off gross weight....
Fluid-structure interaction method on numerical simulation of elastic fairing separation
Zhang Xiaowei, Wang Yanrong, Xie Shengbai, Shan Peng
2009, 35(8): 976-979.
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A fluid-structure interaction (FSI) method for the simulation of the motion of elastic structure under the unsteady aerodynamic load induced by its motion was developed. For a given motion of the structure, the unsteady aerodynamic load of incompressible fluid was solved by immersed boundary (IB) me...
Research and application of analysis leads design method
Song Yuwang, Xi Ping
2009, 35(8): 980-985.
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The analysis leads design(ALD) method was advanced to summarize the key concepts and analyze the essential ideas from the iterative phenomena during the product design process. The concepts of design information(DI), design activity(DA), design model(DM), design file(DF) and analysis leads design fl...
Design of cabin layout for blended wing body passenger transports
Liao Huijun, Zhang Shuguang
2009, 35(8): 986-989.
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The blended wing body (BWB) commercial aircraft configuration has become a hot topic and has been widely studied around the world. As a new configuration, its cabin design is very different from the conventional, so it-s necessary to study the new problems with the BWB cabin design. Focused on the m...
Adaptive forwarding cluster routing protocol for mobile ad hoc network
Wang Li, Liu Kai, Liu Ting
2009, 35(8): 990-995.
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A novel routing protocol, namely adaptive forwarding cluster routing (AFCR) protocol, was proposed to improve the network scalability of a large scale mobile ad hoc network (MANET). In the AFCR protocol, nodes were divided into several 1-hop clusters by mobile clustering algorithm based on the lowes...
Ground moving target detection method of parallel mode airborne bistatic SAR
Shi Hongyin, Zhou Yinqing, Chen Jie
2009, 35(8): 996-1000.
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A method of slow-moving ground target detection and parameter estimation with parallel mode airborne bistatic three-channel synthetic aperture radar (SAR) was presented. According to the characteristic of bistatic SAR, fractional Fourier transform (FrFT) technique was adopt to focus the moving targe...
Color matching of aircraft interface design
Zhang Lei, Zhuang Damin
2009, 35(8): 1001-1004.
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Aiming at the problems of aircraft display interface design, a simulation model of flight information display interface was developed for ergonomic experiment. Lots of experiments were taken based on this model. The integrated use of subjective and objective measurement method for different match co...
Fault diagnosis for civil aviation aircraft based on rough-neural network
Liu Yongjian, Zhu Jianying, Xia Hongshan
2009, 35(8): 1005-1008.
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To solve the defects of traditional fault diagnosis neural network, such as long training time, complex structure and single-valued input, a fault diagnosis system for civil aircraft based on rough-neural network was proposed. Rough set theory was applied to the front-end neural network to reduce th...
Stability analyses of demand information sharing supply chain systems
Wang Jing, Tang Ling, Wang Xun
2009, 35(8): 1009-1012.
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The stability of production/inventory control system is an important indicator in supply chain management, and demand information sharing (DIS) mechanism has been widely adapted in managerial section. However, research on DIS stability boundaries and conditions is by far very limited. Based on contr...
Ultrafast-convert hybrid pulse square-wave variable polarity TIG arc behavior
Cong Baoqiang, Qi Bojin, Zhou Xingguo
2009, 35(8): 1013-1017.
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Based on a novel ultrafast convert hybrid pulse variable polarity main circuit topology, the ultrasonic pulse current which had a frequency of more than 20kHz was superposed in the positive current duration to achieve the hybrid pulse variable polarity current which crossed zero with no dead time a...
Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage
Guo Yuan, Guan Zhidong, Liu Debo, Meng Qingchun
2009, 35(8): 1018-1021.
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To discuss the delamination onset load, quasi-static indentation tests and drop-weight impact tests were performed. The effects of the material and plying pattern on the delamination onset load were also studied. Moreover, the delamination threshold energy levels were found and the corresponding dam...
Method for estimating operating distance of IR imaging system under complex backgrounds
Diao Weihe, Mao Xia, Liang Xiaogeng
2009, 35(8): 1022-1026.
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For the application limitation of traditional operating distance model under complex backgrounds, the traditional equation was improved by adding the idea of probability distribution. In the new equation, the variables operating distance and background IR radiance were replaced by vectors, whose dim...
Retrieval algorithm for optical parameters of aerosol using polarized remote sensing
Sun Xia, Zhao Huijie
2009, 35(8): 1027-1030.
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The upwelling radiances at the top of the atmosphere consist of both atmospheric scattering and ground surface reflection. In general, the latter is larger than the former over the land. This makes the extraction of aerosols over land very difficult. It is known that polarization features strongly d...
Homogeneity testing of aluminum metal matrix composites by TIRP method
Gao Yifei, Zhou Zhenggan, He Fangcheng
2009, 35(8): 1031-1034.
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In order to evaluate the homogeneity of SiCp reinforced aluminum metal-matrix composites (MMC) fabricated by powder metallurgy, an ultrasonic velocity imaging was carried out with the method of thickness independent reflector plate (TIRP). Accuracy and precision were improved and the thickness was u...

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