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2008 Vol. 34, No. 10

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Modeling and simulation of fibre channel for avionics
Zhou Tianran, Song Liru, Xiong Huagang, Lin Qiang
2008, 34(10): 1117-1120.
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Airborne network is an important part of the avionics system. According to the data transmission demand of avionics system, modeling and simulation of mixed complex topology fibre channel (FC) network was studied. Terminal model and switch model which can compose networks with different topology wer...
Conceptual design of cruise missile based on technology of modern design of experiment
Ma Ying, He Linshu, Duan Yong
2008, 34(10): 1121-1125.
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By taking skip trajectory air-to-surface missile as example, the application of modern design of experiment (DOE) technology, namely latinized nearly orthogonal hammersley sequence sampling (LNOHSS), in multidisciplinary design optimization (MDO) was studied. Design experiments were conducted using ...
New kind of DBL-CDMA spreading codes
Yang Xing, Yu Zheng, Li Daoben, Deng Shuangcheng
2008, 34(10): 1126-1129.
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A new class of dao ben lab code division multiple access (DBL-CDMA) spreading codes with zero correlation window (ZCW) was presented, which is constructed by making kronecker product of basic loose synchronous (LS) codes and special complex matrix which is constructed by Barker sequence and its phas...
Conceptual study on integrated design of magnetohydrodynamic bypass scramjet for a waverider-based hypersonic vehicle
Lü Haoyu, Lee Chunxuan, Cao Deyi
2008, 34(10): 1130-1134.
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A parametric study on the conceptual design methodology and optimization criteria for an integrated magnetohydrodynamic (MHD) bypass scramjet of a generic waverider-based hypersonic vehicle was performed. An integrated parametric design of an MHD controlled inlet and a built-in MHD generator was fir...
Storage life and reliability evaluation of microwave electronical product by SSADT
Li Xiaoyang, Jiang Tongmin, Huang Tao, Li Gengyu
2008, 34(10): 1135-1138.
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High storage reliability system requires the extremely high reliable assemblies over long periods of storage time. Within severe time and cost constraints, step stress accelerated degradation testing (SSADT) was utilized to evaluate storage reliability and life of microwave electronical assembly. Fi...
Effect of heptane-to-brim of pool distance on water mist fire suppression
Yang Lijun, Wang Xiangdong, Liao Shengjie, Yang Chunting
2008, 34(10): 1139-1142.
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The pool fire tests were conducted to evaluate the water mist system’s ability to extinguish relatively liquid fire. In order to investigate the heptane pool fire suppression with a water mist fire suppression system, a series of experiments were performed in an enclosed compartment of 4.6m×3.3m×4...
Design of nonlinear flight control law based on bifurcation tailoring
Chen Haibing, Zhang Shuguang, Fang Zhenping
2008, 34(10): 1143-1146.
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The global and continuous flight control law was designed via the bifurcation tailoring and eigenstructure assignment methods. Based on the equilibrium branches of aircraft flight dynamics, the feedforward control law was designed by utilizing the continuous method, by which the shape of the equilib...
Effect of atmospheric scintillation on laser communication system by pseudo-non-diffracting beam
Li Meng, Wang Zhongyu, Gao Xiaoying
2008, 34(10): 1147-1150.
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In pseudo-non-diffracting beam communication system, the intensity variance on the receiver is brought by atmospheric turbulence, and thus the bit-error rate(BER) of the communication system could be effected. Ignoring other noises in the system, the relationship between BER with the refractive inde...
Frequency-dependent transformation matrices of phase-domain transmission line models
Fan Shengtao, Li Xiaqing, Li Yunhua
2008, 34(10): 1151-1154.
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A new algorithm for evaluating the frequency-dependent transformation matrices as smooth functions of frequency is presented. The new algorithm firstly calculates the frequency-dependent transformation matrices at each frequency point using conventional algorithms; a special smoothing procedure base...
Adaptive time delay estimation of distributed fiber optic perturbation sensor
Luo Guangming, Zhang Chunxi, Ma Zongfeng, Lin Wentai
2008, 34(10): 1155-1158.
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Considering the defects of shorter monitoring distance, the sensitiveness to electromagnetic interference and higher cost of maintenance in traditional security guard system, a novel distributed fiber optic perturbation sensor was proposed. Composed of the dual M-Z (Mach-Zehnder) interferometers of ...
Error analysis system of turbine blade based on CAD model
Xi Ping, Sun Xiaoxia
2008, 34(10): 1159-1162.
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The error analysis of blade surface is very important during the process of turbine blade manufacture. Firstly, key technologies of surface inspection were studied, and the crucial parameters automation extraction algorithm for blade section from measured data was proposed. Next, the registration me...
Design of MAS-Based AmI system and implementation of its identity-aware agent
He Jian, Zhang Yong, Hou Yibin, Huang Zhangqin
2008, 34(10): 1163-1167.
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The conception of ambient intelligence (AmI)was introduced firstly, and the data flow of the context-aware on the AmI environment was analyzed as well, so multi-agent system based(namely MAS-Based) architecture of AmI system was proposed. Meanwhile, an AmI experimental system (namely AmI-Space) buil...
Simulation of ejection seat-s static amenity
Huang Jiayang, Qiu Yifen, Yan Yinxue, Jiang Nan
2008, 34(10): 1168-1171.
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Aiming at the problems in the amenity of the ejection seat,based on the Poser software,the 3D static manikins of chinese male pilots was established,insuring the veracity of the main parts of the human body.Secondly,the ejection seat model was imported to 3Dmax,and established a ejection seat-contro...
Impact of lower reaction on high aerodynamic load transonic fan inlet stage
Song Xizhen, Zhou Sheng, Li Qiushi
2008, 34(10): 1172-1176.
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Lower reaction was concluded to be a necessary consequence of an increased aerodynamic load of a transonic fan/compressor inlet stage. Through the definitions of aerodynamic load coefficient and reaction, the rule of reaction changing with aerodynamic load coefficient was acquired, and two critical ...
2-D parallel memory architecture for video processor
Zhu Di, Shen Gongxun
2008, 34(10): 1177-1181.
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Video codec has a very high computation complexity and features intensive vector accesses to memory. A 2-D parallel memory scheme based on linear skewing scheme was proposed. The memory scheme can be combined with simple instruction multiple data (SIMD) vector processor to address the computation ch...
Application of improved genetic algorithms in aircraft conceptual parameter optimization design
Qiu Zhiping, Zhang Yuxing
2008, 34(10): 1182-1185.
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Based on the multi-objective optimization problems in the aircraft conceptual parameter design, improved multi-objective genetic algorithms were proposed. The "Pareto front "of Multi-objective optimization (MO) was tried to seek by using inherent parallelism of genetic algorithms (GA) while emphasiz...
Performance parameters analysis and design of space cable-strut deployable articulated mast
Guo Hongwei, Liu Rongqiang, Deng Zongquan
2008, 34(10): 1186-1190.
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The primary performance parameters of the space cable-strut deployable articulated mast was derived which can evaluate the space cable-strut deployable articulated mast performance. The relationship between primary performance parameters and geometrical feature parameters of space cable-strut deploy...
Numerical simulation of cavitation flow field for under water projectile
Cao Damin, Xu Xu
2008, 34(10): 1191-1194.
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A homo-equilibrium model was used to compute the hydrodynamic cavitation flow field over an axisymmetric projectile by solving the incompressible Navier-Stokes equations. The governing equations were resolved in a finite volume manner, the convective fluxes were treated by an upwind differencing sch...
CFD study of fluid flow in an all-glass evacuated tube solar water heater
Ai Ning, Fan Jianhua, Li Yumin
2008, 34(10): 1195-1199.
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The all-glass evacuated tube solar water heater is one of the most widely used solar thermal technologies. The aim of the paper is to investigate fluid flow in the solar water heater by means of the computational fluid dynamics (CFD). The investigation was carried out with a focus on the convective ...
Fast diagnosis algorithm for interconnect faults on system buses
Zhong Bo, Meng Xiaofeng, Ji Hong, Chen Xiaomei
2008, 34(10): 1200-1203.
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The interconnect test and fault diagnosis for system buses are important to the manufacturing and maintenance of electronic products. The previous test algorithms which are proposed in literatures have some problems, such as existing redundant test vectors and having long test time etc. An adaptive ...
Numerical simulations of flame tube cooling structure with multi-jet holes
Li Zhiqiang, Tian Tao, Chen Qin
2008, 34(10): 1204-1209.
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The numerical simulation was used to study the film cooling effectiveness of plate with multi-inclined jet hole. The effect of the blowing ratio, oblique angle of the hole, array way of the hole, compound angle and shape of jet holes was investigated for increasing cooling efficiency. The computatio...
Topology of power system reliability in more electric aircraft
Bian Xiangnan, Zhou Yuying, Ma Qishuang
2008, 34(10): 1210-1213.
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The topological structure is one of the key factors affecting the reliability performance of the electrical power system (EPS) in more electric aircraft (MEA). A topology analysis method was adopted to build a universal algorithm of reliability evaluation. Qualitative results could be obtained throu...
Design of wide-angle infinity display equipment of airplane simulator
Guan Yingzi
2008, 34(10): 1214-1216.
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Wide-angle infinity display equipment (WIDE) is an important part of airplane simulator which directly affects the performance of airplane simulator. Surface shape of collimating mirror and back-projection screen in WIDE is a key factor which decides imaging quality. Therefore, the design of collima...
Corrosion failure of aluminum alloy parts on airplane used in marine environment
Huang Lingcai, Gu An, Liu Huicong, Jiang Tongmin
2008, 34(10): 1217-1221.
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Corrosion of aluminum alloy parts on airplane used in marine environment for tour was discussed. Along with the research of microcosmic image and corrosion product component of aluminum alloy parts on airplane, and considering the environmental condition used for the airplane, corrosion style, corro...
Product structure formal modeling in product development
Sun Fei, Tang Xiaoqing, Duan Guijiang
2008, 34(10): 1222-1227.
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Based on the analysis of product structure properties and their relationships throughout product developing process, a formal product structure model was proposed to satisfy application requirements of dynamic structure configuration, dynamic tasks collaboration, dynamic objectives solution and dyna...
Fast inference algorithm of launching decision-making expert system for launch vehicle
Li Qingdong, Liu Chengrui, Ren Zhang
2008, 34(10): 1228-1231.
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The launching decision-making system is an expert system which can diagnose the faults of the launch vehicle during the pre-launch testing and give the auxiliary repair strategy and launch decision. In order to achieve the quick fault diagnosis, the launching decision-making expert system should use...
Multi attribute evaluation method for missile weapon system effectiveness based on WGA operator
Zhou Wei, Xia Guoping, Yan Ning
2008, 34(10): 1232-1235.
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The index system and model of missile weapon system effectiveness evaluation were constructed. In view of complexity, synthesis and uncertainty of missile weapon system effectiveness, analytical hierarchy process (AHP) and weighted vector methods were combined, a multi-purpose synthetic evaluation m...
Complexity statistical characteristics for Ad hoc network based on random waypoint model
Tong Chao, Long Xiang, Gao Xiaopeng
2008, 34(10): 1236-1242.
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Complex network theory can be applied in the context of Ad hoc network topology characteristics. Firstly complex network structure statistical characteristics and random waypoint model were introduced. Secondly the degree distribution and clustering coefficient of Ad hoc network based on random wayp...

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