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2015 Vol. 41, No. 9

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Volume 41 Issue92015
2015 Year 41 Volume 9 Issue E-journal
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Pointing and tracking control with linearization and state feedback for gimbal on floating platform
ZHAO Guowei, WANG Weimin, FANG Yizhong, WANG Haoyu
2015, 41(9): 1567-1573. doi: 10.13700/j.bh.1001-5965.2014.0687
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2-DOF (degree of freedom) gimbal mounted on floating space platform caused attitude disturbance to the platform while pointing and tracking a space object. Therefore the attitude of platform was affected then the pointing direction of the end of the gimbal changed and the pointing accuracy was reduc...
Space interception orbit optimization design based on hybrid optimal algorithm
GAO Xiaoguang, TANG Hong, DUAN Junhong
2015, 41(9): 1574-1581. doi: 10.13700/j.bh.1001-5965.2014.0673
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Based on a hybrid algorithm combining genetic algorithm (GA) with improved Gauss method (IGM), a design method of space interception orbit was proposed for solving time-fuel-optimal trajectory planning problem of interceptor. First, classical Gauss method was improved by applying Newton-Raphson iter...
Differential excitation eddy current sensor testing for aircraft engine blades defect
YU Xia, ZHANG Weimin, QIU Zhongchao, CHEN Guolong, QIN Feng
2015, 41(9): 1582-1588. doi: 10.13700/j.bh.1001-5965.2014.0639
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The micro-crack detection experiments of the certain model aircraft engine turbine blades were carried out. Based on eddy current testing technology, a small differential excitation probe with high sensitivity and difference from traditional probes was designed and developed. The simulation analysis...
Simple and efficient novel multi-way relay network coding scheme
WU Zhanji, GAO Xiang
2015, 41(9): 1589-1594. doi: 10.13700/j.bh.1001-5965.2014.0632
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A simple and efficient novel network coding scheme was proposed to improve the throughput and transmission reliability of multi-user multi-way relay network with full-data exchange. It was based on a multi-stage two-way network coding scheme. Two paired users transmitted their information symbols to...
Identifying method of load for sensorless industrial robot
CHEN Youdong, JI Xudong, GU Pingping, HU Guodong
2015, 41(9): 1595-1599. doi: 10.13700/j.bh.1001-5965.2014.0669
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When the load of the industrial robot end-effector is changed in practical use, mechanical vibration occurs, in order to get high motion performance of the industrial robot, the end-effector load should be identified to modify the control parameter. A method of identifying load by servo motor output...
Parametric product family progressive optimization design approach
WEI Wei, FENG Yixiong, CHENG Jin
2015, 41(9): 1600-1607. doi: 10.13700/j.bh.1001-5965.2015.0002
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Parametric product family progressive optimization design approach is proposed based on product platform technique. The progressive optimization design process was constructed, the optimization of product family was carried out progressively using multi-objective mix-evolution algorithm. The mix-evo...
Aerodynamic design of high-aspect-ratio flying wing based on criteria
GAN Wenbiao, ZHOU Zhou, XU Xiaoping
2015, 41(9): 1608-1614. doi: 10.13700/j.bh.1001-5965.2014.0672
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To improve aerodynamic performance of flying wing from design reality, aerodynamic design and analysis of high-aspect-ratio flying wing unmanned aerial vehicle (UAV) were conducted. In design and analysis process, according to features of flying wing, aerodynamic design criteria have been proposed. ...
Channel capacity of cooperative grouped satellites with array based transmission
XIAO Zhenyu, LI Yao, BAI Wenjie, BAI Lin
2015, 41(9): 1615-1623. doi: 10.13700/j.bh.1001-5965.2014.0681
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In order to improve the system capacity of cooperative grouped satellites, we considered the transmission mode of equipping the satellites with antenna arrays. Channel condition of downlink with maximum channel capacity was analyzed. Implementation approaches to the maximum channel capacity were put...
Rotor downwash interference calculation and helicopter trims with free-wake/panel method
LYU Shaojie, WEI Jingbiao, CAO Yihua
2015, 41(9): 1624-1630. doi: 10.13700/j.bh.1001-5965.2014.0680
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A coupled free-wake/panel method to predict the rotor downwash aerodynamic interaction and helicopter trims is presented. Based on lifting-surface theory, free-wake method was developed to analyze aerodynamics interference of rotor wake. A three dimensional panel model was applied to represent the f...
Constraint model and vibration response analysis of rotor rub-impact
ZHANG Li, MA Yanhong, LIANG Zhichao, HONG Jie
2015, 41(9): 1631-1637. doi: 10.13700/j.bh.1001-5965.2014.0647
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Considering the additional constraints induced by rub-impact, a mechanical model was proposed for typical mechanical characteristic of rub-impact. Based on the constraint model, some characteristics in response such as resonant interval extending, amplitude jumping and contact instability were analy...
Computing approach of uncut chip thickness in orthogonal turn-milling with inserted cutters
QIU Wenwang, LIU Qiang, YUAN Songmei
2015, 41(9): 1638-1644. doi: 10.13700/j.bh.1001-5965.2014.0700
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The computing of uncut chip thickness is the basis for further studying the cutting mechanism as well as simulating the cutting process. The research about orthogonal turn-milling operation with inserted cutters was focused on. By simplifying the trajectory of cutting edge, the uniform formulation t...
The simplest multi-position analytic alignment for SINS
TAN Caiming, WANG Yu, SU Yan, ZHU Xinhua
2015, 41(9): 1645-1650. doi: 10.13700/j.bh.1001-5965.2015.0033
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The strapdown inertial navigation system (SINS) need to be installed on a servo platform and rotated through 90 ° or 180 ° about the up axis for traditional multi-position analytic alignment method. Thus it will bring inconvenience, and the precision of the servo platform will directly affect the pr...
Application of multiple linear regression to fault diagnosis of bleed air system
LIANG Kun, ZUO Hongfu, SUN Jianzhong, WANG Ronghui
2015, 41(9): 1651-1658. doi: 10.13700/j.bh.1001-5965.2014.0633
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To solve the fault diagnosis problem of civil aircraft systems by utilizing quick access record(QAR) data, with the civil aircraft bleed air system as the research object, we proposed a fault detection method of multiple linear regression model for multi-flight cycle data characteristics. Firstly, t...
Parametric finite element meshing and adjustment for delta wing
XU Menghui, QIU Zhiping
2015, 41(9): 1659-1665. doi: 10.13700/j.bh.1001-5965.2014.0641
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To reduce the time of finite element (FE) modeling for a delta wing as well as improve the efficiency of structural analysis, design and optimization, a method, with the only input of its geometry profile meeting the pre-defined aerodynamic performance, for parametric modeling based on the self-defi...
Hybrid-and-forward cooperative system based on joint layered decoding of QC-LDPC codes
ZHANG Song, MA Linhua, TANG Hong, ZHANG Haiwei, HU Xing, TIAN Yu
2015, 41(9): 1666-1672. doi: 10.13700/j.bh.1001-5965.2014.0645
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A hybrid-and-forward cooperative system based on the joint layered decoding of quasi-cycle low-density parity-check (QC-LDPC) codes was designed to improve the overall performance of the relay cooperative system. The construction method of the QC-LDPC systematic codes used between source node and re...
Design of lightning protection test generator for airborne equipment
LIU Shuai, YANG Lanjun, ZHUANG Weichun, WANG Wei, HUANG Dong, HUANG Yizhi
2015, 41(9): 1673-1677. doi: 10.13700/j.bh.1001-5965.2014.0651
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The waveform of lightning protection pin injection test for airborne equipment is a combination wave in which the open circuit voltage waveform is the same as short circuit current waveform. For such class of combination wave, a novel combination wave generator circuit was proposed based on the line...
Fatigue life prediction for 7050-T7451 aluminum alloy plate with scratch defect
ZHAN Zhixin, HU Weiping, ZHANG Miao, MENG Qingchun
2015, 41(9): 1678-1685. doi: 10.13700/j.bh.1001-5965.2014.0656
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Fatigue damage of 7050-T7451 aluminum alloy plate with scratch was studied, and the fatigue life of aluminum alloy plate after scratching was predicted considering the common effects of the residual stress, plastic damage and fatigue load. The nonlinear dynamic finite element (FE) analysis was condu...
Wave propagation in cracked elastic media based on EMT using FEM
LIU Ning, LI Min, CHEN Weimin
2015, 41(9): 1686-1692. doi: 10.13700/j.bh.1001-5965.2014.0663
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Understanding mechanism of wave propagation in elastic media with cracks is the key scientific issue in exploration and extraction of shale and other unconventional oil and gas resources. Based on the advantages of the numerical simulation, the excitation and propagation of elastic wave in the crack...
Dimensional optimization method for manipulator based on orientation manipulability
JIA Shiyuan, JIA Yinghong, XU Shijie
2015, 41(9): 1693-1700. doi: 10.13700/j.bh.1001-5965.2014.0665
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To solve the dimensional optimization design problem of manipulator, the numerical index of dexterity was presented by pose probability coefficient, which was defined as the ratio between possibly sampled orientations and sampled orientations of the working point. According to the pose probability c...
Helly-theorem-based time-optimal consensus for multi-agent systems
HU Chunhe, CHEN Zongji
2015, 41(9): 1701-1707. doi: 10.13700/j.bh.1001-5965.2014.0676
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The final convergence state of multi-agent under ordinary consensus control is restricted by communication topology structure and edge weight. Different convergence states further influence the convergence speed of multi-agent. To attain identical convergence state under different communication topo...
Design of experimental setup for elastic scattering and breakup reaction of 17F+58Ni
ZHENG Lei, LIN Chengjian, ZHANG Gaolong, JIA Huiming, ZHANG Huanqiao
2015, 41(9): 1708-1713. doi: 10.13700/j.bh.1001-5965.2014.0644
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At energies around Coulomb barrier the study of the dynamic effect of weakly bound nuclei is one of presently hot subjects. However, due to the experimental studies about this field are scarce, especially on the medium-mass target nuclei. It has no systematic conclusion. Therefore, this study needs ...
Curing method and temperature distribution of composites based on flexible electric heating film
LI Jinliang, GU Yizhuo, LI Min, WANG Shaokai, JIN Chao, ZHANG Zuoguang
2015, 41(9): 1714-1721. doi: 10.13700/j.bh.1001-5965.2014.0683
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Low-cost curing is a challenging task for composite manufacturing, especially for large-scale part. Vacuum assisted resin infusion (VARI) molding process was employed to fabricate carbon fiber/epoxy composite laminate. A curing method using flexible electric heating film (FEHF) was developed. The ef...
Identification of time-varying systems using multi-scale radial basis function
LIU Qing, LI Yang
2015, 41(9): 1722-1728. doi: 10.13700/j.bh.1001-5965.2014.0693
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A time-varying autoregressive model with time-varying coefficients was investigated to identify linear system parameters from nonstationary time series. The basis function of multi-scale radial basis function (MRBF) was employed, and the identification of nonstationary modeling problem was then simp...
Design of actuator rate for flying wing aircraft
HE Qianlin, WANG Lixin
2015, 41(9): 1729-1735. doi: 10.13700/j.bh.1001-5965.2014.0631
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The actuator rate is one of the important constraints in designing flight control system. When the actuator rate is saturated, the disturbed aircraft or the aircraft under control may go into pilot induced oscillation (PIO) resulting in lowering the flying quality. The design method of limiting the ...
Mission-oriented flying qualities criteria for high angle of attack aircraft
HOU Tianjun, GUO Youguang, WANG Lixin
2015, 41(9): 1736-1741. doi: 10.13700/j.bh.1001-5965.2014.0682
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The flying qualities evaluation of high angle of modern attack aircraft lacks of quantitative evaluation criteria. Based on the conventional flying qualities criteria, with mission-oriented flying qualities evaluation method, various flying by wire systems with different transfer function parameters...
Preparation methods of PVDF film with electroactive phase by solution method
SUN Meiling, DENG Yuan, WANG Yao
2015, 41(9): 1742-1748. doi: 10.13700/j.bh.1001-5965.2014.0685
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Poly (vinylidene fluoride) (PVDF) films with electroactive phases were prepared by simple feasible solution crystallization method. The influences of various precursor solution concentrations, different stirring times and hot pressing process on the formation of electroactive crystal phase structure...
Standard trajectory guidance for CAV reentry based on fuzzy sliding mode control
HUANG Kangqiang, ZHAO Hui, REN Yang, CAI Yawei
2015, 41(9): 1749-1757. doi: 10.13700/j.bh.1001-5965.2014.0742
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For the question that the standard trajectory guidance was too sensitive to initial value of state and robustness was worse, a new standard trajectory guidance method based on the fuzzy sliding mode control was proposed. The robustness of sliding mode control was used to improve the adaptive capacit...
MHD control of weakly ionized plasma jet flows
LUO Weidong, LI Feng, SUN Baigang, ZHAO Kai, XIONG Yiwei, WANG Changsheng
2015, 41(9): 1758-1764. doi: 10.13700/j.bh.1001-5965.2014.0668
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In order to study the feasibility of the thrust vectoring using magnetohydrodynamic(MHD) control weakly ionized plasmas at low temperature, the experimental method based on the MHD control plasma flow theory was put forward. We established a MHD flow control experiment platform of seeds (alkali meta...

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