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2004 Vol. 30, No. 05

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Agile turn control considerations for air-to-air missile with reaction jets control system
Wang Peng, Chen Wanchun, Zou Hui, Yin Xingliang
2004, 30(05): 395-399.
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Abstract:
The control problem of the air-to-air missile during the agile turn phase was investigated using the reaction jets control system, which can increase the off-borsight capability of short-range air-to-air missile and the capability of intercepting the rear hemispherical target. A method was proposed ...
Selection of calculation model for contact sensing of robot hand using force/torque measurement
Han Zhuangzhi, Wang Tianmiao, Zhang Yuru, Liu Junchua
2004, 30(05): 400-404.
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Abstract:
In contact sensing of robot hands, force/torque sensor can be used to detect the position of contact points between the grasped object and the fingers. When hard finger contact model is used to calculate the points from the measured data, the solution may not exist. This problem was investigated und...
Study on asymmetrical systemic aerial confrontation
Huang Jun, Wu Zhe
2004, 30(05): 405-409.
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Abstract:
The generation compartmentalization and aerial combat capability of fighter aircraft were studied. A concept and its calculation method of asymmetry were put forward in the environment of systemic aerial confrontation. Based on the physicaldescription and mathematical models involved in systemic con...
Robust control based on quantitative feedback theory for flight simulator
Fu Qiang, Er Lianjie, Zhao Guorong
2004, 30(05): 410-413.
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Abstract:
To design the robust control system for flight simulator with large parameter uncertainty, quantitative feedback theory (QFT) was employed. The principle and design process of QFT were presented. The feedback controller and prefilter were designed using QFT, which make up of the control system of a ...
Interface delay model in NCS
Huang Siniu Chen Zongji, Wei Chen
2004, 30(05): 414-418.
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Abstract:
By uniting communication delays and the network interface, interface delay model was established for communication delays in network control system. And its key properties related to the practical applications were studied. The establishing of the interface delay model separates the research on netw...
Aerodynamic estimation and trim analysis for a tethered balloon
Jiao Zhiqiang, Hong Guanxin, Yang Chao
2004, 30(05): 419-424.
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The aerodynamic characteristics of a tethered balloon with inverted "Y" fins were estimated by the traditional aerodynamic estimation from the flight dynamics analysis viewpoint. Taking into account the whole cable-body system, the nonlinear force trims equations and nonlinear moment trim equations ...
Use shortcut trace method to improve the ray trace efficiency
Huang Peilin, Wang Ganglin, Wu Zhe
2004, 30(05): 425-428.
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Abstract:
The most part of calculating time in the traditional ray trace method is on the intersect judgment, so upgrading on this process is the key to improve the main calculating efficiency. A new technique named shortcut method was presented based on the fact that most nearby rays took a same reflection t...
Design and computational study of waverider configuration with high performance
Zhang Dongjun, Wang Yankui, Deng Xueying
2004, 30(05): 429-433.
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The design method and basic aerodynamic characteristics were studied for cone-derived waverider at Mach 6 and attack angle 0. Off-design performances of the designed waverider were also discussed, namely lift, drag and lift-drag-ratio changing with Mach number and attack angle. All the research work...
Adaptive fading Kalman filter with applications in integrated navigation system
Geng Yanrui, Cui Zhongxing, Zhang Hongyue, Fang Jiancheng
2004, 30(05): 434-437.
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Abstract:
The reasons of the instability of Kalman filter were analyzed from the stability of Kalman filter. A new group of adaptive estimation methods of Kalman filter fading factor were developed and simulated in GPS/SINS(global position system and strapdown inertial navigation system) integrated navigation...
Coupled helicopter rotor/propulsion/transmission system torsional vibration analytical model and coupled influence investigation
Xue Haifeng, Xiang Jinwu, Zhang Xiaogu
2004, 30(05): 438-443.
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Abstract:
To get methods avoiding system resonance, a practical analytical model of a helicopter's mechanic system of torsional oscillation was developed. The torsional system consisted of the helicopter's propulsion, the transmission system, the rotor and the tail rotor. The modal properties including modal ...
Aerodynamic testing simulation facility for high-speed elevator
Duan Ying, Shen Gong, Zhang Yonggang, Su Wenbi
2004, 30(05): 444-447.
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Abstract:
Based on the non-dimensional analysis of parameters influencing the aerodynamic tunnel effect in high-speed elevators, a simplified testing facility was designed and set up. Significant physical parameters, including blockage ratios, open ratios, reserved ratios and distinct shapes of car head (cyli...
Association rule mining algorithm in modeling quality activity chain based on quality cost data
Jiang Nan, Tang Xiaoqing
2004, 30(05): 448-451.
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Abstract:
The concept of activity-based quality cost was introduced, and the idea of describing the relationships among quality activities according to quality cost was discussed. The rules with which the activities acted on each other were defined. Because of the large amount of quality cost data, it was dec...
Flexible access control method of distributed objects
Lang Bo, Wu Qi, Lu You, Li Weiqin
2004, 30(05): 452-455.
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Abstract:
The traditional access control mechanism is bonded with the security policy it supports and can only support one policy. In order to establish a kind of access control mechanism supporting multiple polices, the meta-policy concept was introduced. By using the meta-policy description framework and th...
Research of digital holography PIV technique
Wei Runjie, Shen Gongxin, Ding Hanquan
2004, 30(05): 456-460.
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The principal formula of digital holography was deduced and verified from the analysis of holography using Hugeness-Fressnel theory and computer simulation. The thin focus depth of reconstructed 3-D digital image using in holography particle image velocimetry was created by a digital image phase fil...
Comparison between adaptive and biobjective optimization wing's aerodynamic features
Liu Hang, Zhu Ziqiang, Fu Hongyan, Yu Rixin
2004, 30(05): 461-465.
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Abstract:
Based on two dimensional airfoil adaptation, the deflected angles of leading edge and training edge of a three dimensions wing having 35° leading edge sweep angle, aspect ratio of 3.9, taper ratio of 0.17 and taking NACA65006 as wing section were calculated by using powell method to obtain an adapti...
Acquirement method of environmental factor with genetic algorithm
Fu Bo, Du Zhenhua, Zhao Yu, Huang Min
2004, 30(05): 466-468.
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Abstract:
One optimization method of acquiring the time environmental factor was proposed which made full use of the failure data from the same kind of products or the similar products in their development tests based upon the AMSAA model, One genetic algorithm method was used to the optimization process of a...
Research on product platform-based quality assurance in mass customization
Wang Xuecong, Tang Xiaoqing
2004, 30(05): 469-474.
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Abstract:
It brought forward the approaches of the quality assurance system in mass customization as a systematic engineering, which included systematically analyzing requirements to build a customer-centered product platform, re-engineering product relative processes, enhancing management of agile supply cha...
Kinematics analysis of slide redundant manipulator
Zhang Wu, Ding Xilun
2004, 30(05): 475-478.
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Abstract:
The design scheme of the slide redundant manipulator system was introduced. POE(product of exponential) method was applied to build the system model.Forward and inverse kinematics were analyzed. The system singularity avoidance method was studied, and simulation results were given to illustrate the ...
Algorithm study of air flow management based on grounding-hold
Li Shubo, Hong Guanxin, Zhao Yifei
2004, 30(05): 479-482.
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Abstract:
Aiming at the single airdrome grounding-hold problem,and according to the real instance of civil aviation in our country,two methods were combined,viz. linear programming and queuing theory,which are domestic primary method in settling this type of problem now．The arithmetic is a new one which posse...
Fault detection and diagnosis of aero-starter-generator based on spectrum analyses
Qiu Yue, Liu Xiangqun, Zhang Hongyue
2004, 30(05): 483-487.
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Abstract:
Faults in aero-starter-generator by analyzing the spectrum of motor armature current could be effectively detected and diagnosed. Because rotation speed was fluctuating during the operation of the motor and the ripple of current was proportional to the speed fluctuating, if the sampling period of cu...

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