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2011 Vol. 37, No. 4

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Guidance method of low altitude penetration missile based on optical sensor
Sun Jian, Liu Xing, Wu Sentang
2011, 37(4): 379-383.
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To increase penetration rate for low attitude cruise missile, a minimum deviation of the missile along the flight path must be satisfied, after the flight path plan to be finished. During the missile flight simulation, missile overload exceeds requirement when waypoint is switching and overshoot tim...
Modeling of hydrogen engine parameters design during flight to orbit of reusable launch vehicle
Jin Ping, Wang Xiaowei, Li Mao, Cai Guobiao
2011, 37(4): 384-389.
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In order to investigate the influence of hydrogen engine parameters on launch vehicle performance, the mathematical models suited for single stage to orbit reusable launch vehicle flight process were brought up based on hydrogen engine performance parameters, including rocket motion equations, fligh...
Web service selection approach based on the authenticity of QoS data and workflow model
Yuan Yuqian, Hu Xiaohui
2011, 37(4): 390-394.
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The existing QoS(quality of service)-based services selection approaches always assume that the QoS data coming from service providers and users are effective and trustworthy, which is actually impossible in reality. A service selection approach based on the authenticity of QoS data and workflow mod...
Aerodynamic and dynamic characteristics of aeronautic towed decoy
Lu Yanlong, Tong Zhongxiang, Wang Chaozhe, Jiang Yun
2011, 37(4): 395-398.
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The relative space position between aviation towed decoy and plane which is protected and release method of aviation towed decoy are the main factors that influence the result when missile is jammed by decoy. A new finite segment method was developed to make up the deficiencies of conventional finit...
Design and analysis of single-axis-double-pin hinged door for large-scale container
Wang Wenlong, Ling Guilong, Cai Guobiao
2011, 37(4): 399-404.
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The hinged door of the large-scale, horizontal container is usually deformed and distorted during the process of assembly and long-term usage, which can prevent the door from closing tightly and thus affect the sealing performance. A novel single-axis-double-pin hinged door was developed for a 5.5-m...
Deflection prediction for inflatable wing based on artificial neural network
Wang Zhifei, Wang Hua, Jia Qinping, Han Jing
2011, 37(4): 405-408.
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To accurately predict the deflection of loaded inflatable wing, a basic impact of influence deflection was analyzed, method of orthogonal experiment was used to ascertain the main impact of influence deflection. The main impact of influence deflection was used as intputs and deflection was used as o...
Monitoring system for vehicle overloading base on paste-type strain sensor
Chen Guanghua, Ju Na, Yang Fei, Li Jianwei
2011, 37(4): 409-414.
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The on-board weighing technology was studied for the overloading of vehicle. A monitoring system was designed for overloading based on the on-board weighing device and short message technology. The system used paste-type strain sensor that installed in vehicle-s leaf spring to obtain load on the lea...
Motion analysis and simulation of tetrahedral rolling robot
Zhang Lige, Bi Shusheng, Peng Zhaoqin
2011, 37(4): 415-420.
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The research status of tetrahedral robot was analyzed. The mechanism of tetrahedral rolling robot was introduced. The robot comprises of six extension struts and four node flats. When the center of gravity(COG) of tetrahedron exceeds the stability region, the robot will roll. Kinematic model in diff...
Bionic design on the fluid mechanics experimental model of butterfly hovering fly
Wei Lai, Shen Gongxin, Huang Shuoqiao, Guo Peng
2011, 37(4): 421-427.
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As its unique morphological features (broad wings with small aspect ratio, complex wing shape), and the distinctive kinematics (low flapping frequency, the stroke plane is nearly perpendicular to the body; no wing rotating, but obviously body pitching and oscillating as wing flapping), butterfly fly...
Safety simulation technology based on finite state machine
Wang Bei, Zhao Tingdi, Jiao Jian
2011, 37(4): 428-432.
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The safety modeling and simulation method based on finite state machine theory was proposed to research the dynamic change mechanism of the accident in system, as well as explore the movement during the accident evolution and establish exact emergency treatment. The modeling and simulation platform ...
Multiple fault diagnosis method with unreliable test
Fang Jiayong, Xiao Mingqing, Wang Xueqi, Yu Hang
2011, 37(4): 433-438.
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Aiming at low diagnosis precision and high false alarm of complex systems diagnosis, a multiple fault diagnosis method was proposed. In order to solve the difficulties of building Bayesian networks’ structure and conditional probabilities table, the system-s multi-signal flow graphs model was built....
Design method for specification of force-limited vibration testing
Mo Changyu, Yuan Hongjie
2011, 37(4): 439-445.
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The method based on the complex two degrees of freedom system(TDFS) mode to design the specification of force-limited vibration testing was proposed. In the method, dynamic sub-structure was adopted to calculate modal effective mass and modal residual mass of specimen structure and supporting struct...
Forward and inverse solution of a 9-DOF hybrid robot for minimally invasive surgery
Zhang Fan, Liu Da, Wang Tianmiao
2011, 37(4): 446-451.
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Focusing on the recently developed "5R+4T" 9-DOF(degree-of-freedom) hybrid robot for thoracoabdominal percutaneous cryosurgery by the robotics institute of Beijing University of Aeronautics and Astronautics, an original single-constraint-condition algorithm was put forward to obtain analytic solutio...
Global K-exponential stabilization of nonholonomic chained systems by continuous feedback
Li Mingjun, Ma Baoli
2011, 37(4): 452-457.
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Two global continuous feedback control laws were proposed to stabilize nonholonomic chained systems, namely, the continuous time-varying feedback control law and the dynamic time-invariant feedback control law. The first control law achieved continuity and asymptoticality by using an exponential dec...
Method for measuring projection position of focal point based on space geometrical relations
Li Bin, Fu Jian, Zhou Zhenggan
2011, 37(4): 458-461.
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In order to reduce artifacts on industrial computed tomography(CT) images, one method for measuring the projection position of the focal point based on space geometrical relations was put forward. Computer simulations and experiments were carried out. The method established analytic equations betwee...
Investigation on inertial platform multi-position rolling self-calibration
Bao Weimin, Shen Gongxun, Li Huabin
2011, 37(4): 462-465.
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The guidance instrument errors are the main factors of reducing the hitting accuracy of inertial-guided missile. The measuring error of inertial platform is the major part. So the multi-position rolling self-calibration approach for inertial platform was studied. The gyroscope error models and the a...
Method base on multi-channel satellite cloud image for typhoon segmentation
Qian Huaming, Jiang Bo
2011, 37(4): 466-471.
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A modified level set method for typhoon segmentation base on vector image was proposed to improve the accuracy of typhoon prediction. The C-V model was extended to the vector space and an energy term without re-initialization was introduced. An iteration convergence condition was proposed,and the pa...
Improved method of satellite positioning and dilution of precision
Chen Canhui, Zhang Xiaolin
2011, 37(4): 472-477.
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In satellite navigation system, the traditional algorithm of solving dilution of precision (DOP) and satellite positioning based on least square method is the direct matrix inverse (DMI) method. In order to overcome the disadvantages of high computational burden and poor numerical stability of tradi...
Multidisciplinary design collaborative optimization for common aero vehicle
Zhang Zhiqiang, He Linshu
2011, 37(4): 478-482.
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Collaborative optimization (CO) method applied into overall design optimization for common aero vehicle and coupled relationship between disciplines were investigated. Process and characters of CO were analyzed. Aimed at common aero vehicle optimization design, research how using CO to built optimiz...
Effect of micro-jets mixing enhancement on infrared radiation of plume
Zhu Xijuan, Eriqitai Li, Jiajun Wangqiang
2011, 37(4): 483-486.
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The infrared radiation in 3~5μm band of the unforced plume and the forced plume which is mixed by injecting micro-jets into subsonic shear layer were calculated by a three-dimensional infrared(IR) radiation code of the plume, it was developed by the finite volume method (FVM) in non-gray absorbing-...
Output feedback eigenstructure assignment based on stochastic robustness analysis
Jin Xianzhe, Wu Sentang
2011, 37(4): 487-491.
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An approach for output feedback eigenstructure assignment(EA) of linear multivariable system with parameter uncertainty was presented based on stochastic robustness analysis (SRA), which was used to solve the problem of the eigenstructure robustness. With SRA, the robustness measures of closed-loop ...
Life prediction of product based on degradation amount distribution time series analysis
Wang Li, Li Xiaoyang, Jiang Tongmin
2011, 37(4): 492-498.
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For the problem that traditional life prediction methods described product degradation stochastic process inadequately using monotonous regression function,the non-stationary time series types of different degradation amount distribution parameters estimation was analyzed based on product degradatio...
Hydraulic system modeling language base on finite volume and implementation
Xing Qiujun, Jiao Zongxia, Wu Shuai
2011, 37(4): 499-504.
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To achieve schematic-oriented modeling directly on the hydraulic system, a new modeling language based on finite volume and a new set of rules to describe the modeling language were proposed, also the corresponding procedural method was described. Based on the modeling language, the topology of the ...

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