2016 Vol. 42, No. 4

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Volume 42 Issue42016
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Hardware-in-the-loop simulation method and influence analysis of missiles considering body elasticity
LIU Li, WANG Yansong, ZHOU Sida, ZHANG Wulong
2016, 42(4): 639-645. doi: 10.13700/j.bh.1001-5965.2015.0245
Abstract:
With the increasing requirements of velocity and accuracy, the elasticity has been a non-ignorable factor in the dynamic analysis and design of missiles, which could evidently influence the flight performance and control accuracy. In this case, considering the elastic vibration of missiles would imp...
Method of face gear grinding-honing machining based on aviation environment
WANG Yanzhong, ZHAO Hongpu, LAN Zhou, HOU Liangwei, ZHONG Yang
2016, 42(4): 646-653. doi: 10.13700/j.bh.1001-5965.2015.0260
Abstract:
Face gear drives become the main direction of research for aeronautical drives because of their special advantages. The equation of face gear tooth surface was established based on the face gear transmission theory. For improving the precision machining technology of face gear, the method of face ge...
Dynamic pressure characteristic analysis for double-cavity model of air system
DING Shuiting, CHE Weiwei, LIU Chuankai
2016, 42(4): 654-661. doi: 10.13700/j.bh.1001-5965.2015.0256
Abstract:
When the engine slam accelerates or suddenly fails, the pressure wave formed by cavity effect and pipe fluid inertia in a short time will have negative impact on some components of air system. On the basis of the simulation program of the modular transient air system, the pressure variation of cavit...
Kinematics modeling and simulation of seed implantation robot for prostate tumors
ZHANG Yongde, LIANG Yi, BI Jintao, XU Yong
2016, 42(4): 662-668. doi: 10.13700/j.bh.1001-5965.2015.0288
Abstract:
We developed a 3-PCR parallel-chain type of seed implantation robot for prostate tumors, based on measurement workspace in the perineum of prostate and quantitative analysis of the surgery procedure. For this kind of symmetry less degrees of freedom of parallel-chain mechanisms as position adjustmen...
Chattering-free sliding mode guidance law with impact angle constraint
ZHOU Weidong, CHEN Yankui, XIONG Shaofeng
2016, 42(4): 669-676. doi: 10.13700/j.bh.1001-5965.2015.0290
Abstract:
Taking into account both the autopilot dynamics and impact angle constraint,a novel chattering-free sliding mode control guidance law for homing missile to intercept a target performing evasive maneuvers was proposed. Firstly, we establish the guidance system state equation by differentiating the li...
Carbon nanotubes thin film sensor and characterization of its strain sensing
NIE Peng, ZHANG Daguo, CHEN Yanhai, LU Shaowei, HAN Jiao
2016, 42(4): 677-684. doi: 10.13700/j.bh.1001-5965.2015.0271
Abstract:
Due to the aviation accident caused by structure deformation occurring frequently, the health monitoring of aircraft's structure has become one of the effective means of prevention. Carbon nanotubes thin film can be used as strain sensor for health monitoring of structure damage. The dispersion tech...
Integrated physiological model for mental workload assessment and prediction of aircraft flight deck display interface
LU Kun, WEI Zongmin, ZHUANG Damin, WANYAN Xiaoru
2016, 42(4): 685-693. doi: 10.13700/j.bh.1001-5965.2015.0254
Abstract:
This paper focuses on the objective discrimination and prediction of mental workload of the aircraft flight deck display interface. By three physiological measurement methods of event-related potentials (ERP), electrocardiograph (ECG) and electro-oculogram (EOG), as well as subjective evaluation and...
Properties of pendulum motion of tether tugging system and its stable control
ZHAO Guowei, ZHANG Xingmin, TANG Bin, SUN Liang
2016, 42(4): 694-702. doi: 10.13700/j.bh.1001-5965.2015.0286
Abstract:
Taking account of the attitude motion of tethered system, mission satellite and abandoned satellite, dynamics and control models of tethered system are established. According to the flight process under a constant thrust in the tangential direction, an attitude control of mission satellite is adopte...
Adaptive backstepping control method used in DGMSCMG gimbal servo system
LI Haitao, YAN Bin
2016, 42(4): 703-710. doi: 10.13700/j.bh.1001-5965.2015.0282
Abstract:
To overcome the problem of the precision of gimbal angular speed control brought by the coupling torque between inner and outer gimbal of double gimbal magnetically suspended control moment gyroscope (DGMSCMG) and the nonlinear transmission characteristics of the transmission gear, a nonlinear robus...
Network selection algorithm based on cell attractor selection scheme
XIA Haiying, ZENG Cheng, CAI Fengtian, ZHOU Wei
2016, 42(4): 711-717. doi: 10.13700/j.bh.1001-5965.2015.0278
Abstract:
With the development of mobile communication, there are many different kinds of wireless networks, such as the internet of things, vehicular networks, and body networks. These mobile networks need the reliable seamless roaming among a multitude of access network technologies. Any single communicatio...
Output-feedback sliding mode control for MIMO affine extremum seeking systems
ZUO Bin, ZHANG Lei, LI Jing
2016, 42(4): 718-727. doi: 10.13700/j.bh.1001-5965.2015.0297
Abstract:
An output-feedback sliding mode control method is proposed for a class of multi-input multi-output (MIMO) affine nonlinear extremum seeking systems. Firstly, the original MIMO affine nonlinear extremum seeking system is decomposed into several single-input single-output (SISO) extremum seeking subsy...
Alliance algorithm of converging feedback network on P2P real-time media streaming
SHEN Mengru, ZHANG Jinyu
2016, 42(4): 728-736. doi: 10.13700/j.bh.1001-5965.2015.0300
Abstract:
Quality of service and the services providing ability of system are deeply influenced by unfairness of client contributions, a alliance algorithm based on distance-convergence was proposed by implementing the converging feedback network in dynamic traffic condition, and it can avoid the unreasonable...
Research on automatic tracking system for directional antenna of UAV
ZHA Changliu, DING Xilun, YU Yushu, WANG Xueqiang
2016, 42(4): 737-744. doi: 10.13700/j.bh.1001-5965.2015.0268
Abstract:
In order to meet the requirements of communication of unmanned aerial vehicle (UAV) over a long distance, the ground directional antenna automatic tracking system has been developed with the UAV location information to guide. With the real-time acquisition directional antenna vehicle position, veloc...
Dynamic strength valuation method of pipeline structures under preload
WANG Shuai, ZHANG Mingming, LIU Zhen, JIA Liang, RONG Kelin
2016, 42(4): 745-750. doi: 10.13700/j.bh.1001-5965.2015.0289
Abstract:
For the problems of pipeline structures environment test in current aerospace, first of all, we researched the analytical method for dynamical strength characteristic of pipeline structures under preload and multiaxial random vibration experiments, and then made clear the difference and processing b...
Damage resistance property of stiffened composite panels under low-velocity impact
JI Zhaojie, GUAN Zhidong, LI Zengshan
2016, 42(4): 751-761. doi: 10.13700/j.bh.1001-5965.2015.0261
Abstract:
In order to study the effect of impact energy and structural geometry on damage resistance of stiffened composite panels under low-velocity impact, 3 groups of I-section stringer-stiffened composite panels were experimentally and numerically investigated. Drop weight low-velocity impact tests were c...
A full-resolution motion compensation method used for real-time digital image stabilization
ZHAI Bo, ZHENG Jin, WANG Yue
2016, 42(4): 762-771. doi: 10.13700/j.bh.1001-5965.2015.0293
Abstract:
With the foundation of inter-frame translation motion of the videos captured in outdoor video monitoring, a real-time video stabilization method was presented with equilibrium position modification and adaptive update of storage frames, which can realize the full-resolution video stabilization. Firs...
Performance characteristics of single rotor compound helicopter
CAO Fei, CHEN Ming
2016, 42(4): 772-779. doi: 10.13700/j.bh.1001-5965.2015.0267
Abstract:
In order to analysis the performance of the compound helicopter, a performance calculation model consisting of all the aerodynamics mathematical model parts is established. Based on the calculation model, using various flight conditions, we constructed the compound helicopter transition flight borde...
Intelligent target following strategy design for UAV against multi-threats
QI Xiaoming, WEI Ruixuan, ZHOU Kai
2016, 42(4): 780-788. doi: 10.13700/j.bh.1001-5965.2015.0296
Abstract:
With the development of integrative combat, the task will be converted into target following mode when unmanned aerial vehicle (UAV) finishes searching ground moving target. Complex combat environment is considered, and the problem of UAV following moving target in the condition of multi-threats sou...
Motion parameters estimation method of single walking human
SUN Zhongsheng, WANG Jun, SUN Jinping, ZHANG Yaotian, YUAN Changshun, XIANG Hong
2016, 42(4): 789-795. doi: 10.13700/j.bh.1001-5965.2015.0305
Abstract:
Radar micro-Doppler of human motion can provide signatures for target recognition. It is very difficult to extract motion parameters from radar echo of walking human because of its complexity. An estimation method of single walking human's bulk velocity, gait cycle and cycle length is proposed to re...
An efficient method for estimating various variance-based sensitivity indices
YUN Wanying, LYU Zhenzhou, MU Shanshan
2016, 42(4): 796-805. doi: 10.13700/j.bh.1001-5965.2015.0309
Abstract:
In order to simultaneously estimate various variance-based sensitivity indices, a method is proposed by combining space-partition idea and unscented transformation (UT) method, which can estimate variance-based global sensitivity index (Sobol index), variance-based regional sensitivity index and var...
Adaptive simple WENO limiter-discontinuous Galerkin method for Euler equations
WU Zeyan, WANG Lifeng, WU Zhe
2016, 42(4): 806-814. doi: 10.13700/j.bh.1001-5965.2015.0237
Abstract:
To achieve high precision and high resolution numerical result of Euler equations, the basic principle of discontinuous Galerkin method, the simple WENO limiter on triangular meshes and shock capturing method based on adaptive mesh refinement were introduced. The simple WENO limiter-discontinuous Ga...
Reliability robust design of tracked vehicle torque axis with multiple failure modes
LIU Zhe, TAO Fenghe, JIA Changzhi
2016, 42(4): 815-820. doi: 10.13700/j.bh.1001-5965.2015.0253
Abstract:
Several potential failure modes may occur when tracked vehicle torque axis fail, and therefore it is necessary to take each failure mode into account as reliability sensitivity estimation is performed. A reliability sensitivity analysis method for mechanical components with multiple failure modes is...
Added mass of trans-media moving object
ZHANG Xiaoqiang, FENG Jinfu, LIN Ke, HU Junhua
2016, 42(4): 821-828. doi: 10.13700/j.bh.1001-5965.2015.0478
Abstract:
Trans-media moving object was equipped with outstanding advantages in multiple fluid media environment. However, its moving characteristics were hard to predict because of the free surface problem and complex stress. Added mass method was common to solve fluid-structure coupling problems in engineer...
Gap filling method for space environment data based on singular spectrum analysis
LIU Shuai, LI Zhi, GONG Jiancun, LIN Ruilin, MA Zhihao
2016, 42(4): 829-836. doi: 10.13700/j.bh.1001-5965.2015.0554
Abstract:
The space environment data is known to be nonlinear and non-stationary and often contains missing values, which brings great challenge to the model-building procedures, predictions and posterior analysis. To fill the data gaps, a new gap filling method based on the iterative singular spectrum analys...
Frequency measurement of wing-tip vortex instability by flow visualization
XUE Dong, PAN Chong, LI Guangchao
2016, 42(4): 837-843. doi: 10.13700/j.bh.1001-5965.2015.0594
Abstract:
The accurate measurement of the dominant frequency of wing-tip vortex core oscillation is essential for controlling the wing-tip vortex. In the present study, the instability of wing-tip vortex, which is generated from an elliptical wing, was investigated under low Reynolds number via flow visualiza...
Diagnostic strategy building method based on MDP
LIANG Yajun, XIAO Mingqing, SONG Haifang, YANG Zhao, LIANG Peng
2016, 42(4): 844-850. doi: 10.13700/j.bh.1001-5965.2015.0277
Abstract:
Aiming at the problem that by the traditional method, it is difficult to get the global optimal diagnostic strategy of the complicated test system in fault detection for ignoring the uncertainty factors in the test execution and lacking of the long cycle optimization mechanism, a new diagnostic stra...
Optimization on stealth aircraft RCS models using Bayesian-MCMC estimation
DAI Xiaoxia, CAO Chen, FENG Yuan
2016, 42(4): 851-857. doi: 10.13700/j.bh.1001-5965.2015.0248
Abstract:
When statistically modeling a stealth aircraft, conventional methods estimate characteristic parameters via calculating the statistics of radar cross section (RCS) directly, which may lead to relatively large fitting errors. Therefore,we introduce the Bayesian-Markov chain Monte Carlo (Bayesian-MCMC...
Estimation of space manipulator random vibration signals with poor information based on grey bootstrap method
WANG Qiyue, WANG Zhongyu, WANG Yanqing, YAO Zhenjian
2016, 42(4): 858-864. doi: 10.13700/j.bh.1001-5965.2015.0270
Abstract:
The classic statistical methods based on statistical theory can not solve the estimation of poor information data. A novel method based on grey bootstrap model for space manipulator random vibration signals with poor information was presented. The random vibration measurement data was processed by t...