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2016 Vol. 42, No. 11

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Volume 42 Issue112016
2016 Year 42 Volume 11 Issue E-journal
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Design and verification of vacuum environmental simulation device for lunar surface drilling
DING Xilun, LIU Shuting, ZHANG Tao
2016, 42(11): 2271-2278. doi: 10.13700/j.bh.1001-5965.2015.0669
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The third stage of China's lunar exploration project presented the task of drilling samples of lunar soil over 2 m deep, which motivates us to study the thermal characteristics during the drilling process. To support this research, a lunar surface vacuum environmental simulation device was designed....
Numerical simulation and parameter optimization of seal property of bidirectional rotating cylinder gas film
MA Gang, YANG Weiru
2016, 42(11): 2279-2288. doi: 10.13700/j.bh.1001-5965.2015.0682
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Based on cognizing of advantages of cylinder gas film seal system, this paper proposes a new bidirectional rotating cylinder gas film seal system with inverted T interface structure and double-groove interface structure. It establishes mathematical model and numerical analysis model of the bidirecti...
Control strategy of traction control system for four-wheel drive vehicle
JIANG Libiao, QIU Huachuan, WU Zhongwei, LIU Wei, CHENG Cheng
2016, 42(11): 2289-2298. doi: 10.13700/j.bh.1001-5965.2015.0689
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Aimed at the problem of the vehicle dynamics and lateral stability of four-wheel drive vehicle, the integrated traction control strategy based on a new method of target slip ratio calculation and correction was proposed. First a mathematical model describing the main components of vehicle system was...
Multiple reference consistency check algorithm for sea-based JPALS
FENG Tao, MAO Xia, SONG Cheng
2016, 42(11): 2299-2305. doi: 10.13700/j.bh.1001-5965.2015.0672
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According to the characteristics of mobile carrier reference station, a novel multiple reference consistency check (MRCC) algorithm for the sea-based joint precision approach and landing system (JPALS) is proposed. First, the original pseudorange and carrier phase measurement of each reference stati...
Tensile behavior of scarf joints after impact in different locations
NIE Hengchang, XU Jifeng, GUAN Zhidong, LI Zengshan, JI Zhaojie, TAN Riming
2016, 42(11): 2306-2320. doi: 10.13700/j.bh.1001-5965.2015.0694
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The damage introduced by low-velocity impact is a threat to composite bonded joints. Scarf joints were impacted in three different locations of joint areas and then tensile test after impact was conducted. Finite element models of impact and tensile after impact of scarf joints were established resp...
Application of singular spectrum analysis to failure time series analysis
WANG Xin, WU Ji, LIU Chao, NIU Wensheng, ZHANG Hua, ZHANG Kui
2016, 42(11): 2321-2331. doi: 10.13700/j.bh.1001-5965.2015.0712
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Due to significant industrial demands toward flight safety andairplane maintenance quality, improving airplane's reliability in usage stage has become an important activity and the research domain is rapidly evolving. In this paper, eighteen years' field data gathered from the maintenance phase of t...
Stable cluster-based routing protocol for mobile Ad Hoc networks
HUANG Jinke, FAN Xiaoguang, WAN Ming, ZHUO Zhenfu, YANG Yongjian, CHEN Shaohua
2016, 42(11): 2332-2339. doi: 10.13700/j.bh.1001-5965.2015.0720
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The dynamic topology of a mobile Ad Hoc network poses a real challenge in the design of clustering routing protocol. And as an essential technique of clustering routing protocol, clustering of nodes provides an efficient method for establishing a clustering structure in mobile Ad Hoc networks. In th...
Virtualized GPU computing platform in clustered system environment
YANG Jingwei, MA Kai, LONG Xiang
2016, 42(11): 2340-2348. doi: 10.13700/j.bh.1001-5965.2015.0731
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A virtualized GPU computing platform is proposed for clustered systems, which are often equipped with GPUs in some nodes. All GPUs in system are uniformly abstracted as virtualized ones in a commonly accessed resource pool. Legacy GPU programs can execute on the virtualized GPU computing platform wi...
Analysis on influence of rotor/empennage aerodynamic interaction on helicopter trim characteristic
TAN Jianfeng, WU Chao, WANG Haowen, LIN Changliang
2016, 42(11): 2349-2357. doi: 10.13700/j.bh.1001-5965.2015.0770
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Unsteady aerodynamic interaction of rotor and empennage is the core content of helicopter trim model and flight dynamic model. The rotor/empennage aerodynamic interaction effect was considered indirectly through rotor inflow or induced velocity of rotor wake in classical trim method. However, the no...
Safety requirements analysis method based on control characteristics of scenarios
ZHU Danjiang, YAO Shuzhen, TAN Huobin
2016, 42(11): 2358-2370. doi: 10.13700/j.bh.1001-5965.2015.0757
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Safety requirements are critical to ensure the system safety. With the increase of system complexity and coupling degree, it becomes more difficult to analyze and extract the safety requirements. We construct the variables effect graph which describes the relationships among system variables in the ...
Life analysis method for products based on failure behavior models
ZHA Guoqing, JING Hailong, CHEN Yunxia, KANG Rui
2016, 42(11): 2371-2377. doi: 10.13700/j.bh.1001-5965.2015.0739
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With the situation that traditional reliability engineering methods cannot meet the demand of design and analysis for the products with high reliability and long life index, this paper considers the uncertainty of inner and outside factors which cause the life dispersion, and on the basis of product...
Research of sustainable feedstock for future alternative aviation fuels
ZHAO Jing, GUO Fang, A Lusi, YANG Xiaoyi
2016, 42(11): 2378-2385. doi: 10.13700/j.bh.1001-5965.2015.0676
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Based on the whole life-cycle analysis, the feedstock sustainability has been evaluated for alternative aviation fuels. Eight sources, including coal, natural gas, algae, jatropha, soybean, palm, rapeseed and camelina, have been compared with petroleum-based aviation fuel in energy consumption, foss...
Experiment of cavity and trajectory characteristics of oblique water entry of revolution bodies
SONG Wuchao, WANG Cong, WEI Yingjie, XU Hao
2016, 42(11): 2386-2394. doi: 10.13700/j.bh.1001-5965.2015.0690
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Studies of the oblique water entry of revolution bodies are conducted. By the experiment of revolution body velocity water entry with different velocities and angles, cavity evolution on revolution bodies is discussed, including formation, development and pinch-off of oblique entry. The influence of...
Design of array with multiple interleaved subarrays based on subarray excitation energy-matching
LI Longjun, WANG Buhong, XIA Chunhe, LIU Xinbo, CAO Shuai
2016, 42(11): 2395-2402. doi: 10.13700/j.bh.1001-5965.2015.0680
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The shared aperture array antennas with multiple interleaved subarrays is an effective solution of the design of multi-functional array antennas. A new method for interleaving multiple subarrays based on excitation energy-matching is proposed in this paper. In light of the Fourier transform mapping ...
Flow field structure and fluid dynamic characteristics of semi-closed cylinder water-entry
LU Zhonglei, WEI Yingjie, WANG Cong, SUN Tiezhi
2016, 42(11): 2403-2412. doi: 10.13700/j.bh.1001-5965.2015.0711
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Numerical simulation for the vertical water-entry process of an end-closed cylinder shell was performed based on reynolds-averaged Navier-Stokes equations. The results of pressure and velocity contours, features of cavity wave and closure, rule of mass flow rate into the cavum, and hydrodynamic chan...
Design of major time frame for ARINC 653 partitioned real-time systems
TAN Longhua, DU Chenglie
2016, 42(11): 2413-2422. doi: 10.13700/j.bh.1001-5965.2015.0726
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The ARINC 653 standard for integrated modular avionics defines that the system adopts intra-partition scheduling and inter-partition scheduling. As specified by the standard, local scheduling is specified by partition application designers and partitions are scheduled statically by the major time fr...
Performance analysis of circuit fault self-repair strategy based on EHW and RBT
ZHANG Junbin, CAI Jinyan, MENG Yafeng
2016, 42(11): 2423-2435. doi: 10.13700/j.bh.1001-5965.2015.0742
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The method of improving the reliability of the electronic systems based on redundant fault-tolerant technology is limited in aerospace, deep sea and some specific fields. Then the fault self-repair strategy based on evolvable hardware (EHW) begins to be researched. However, there are some kinds of d...
Range extension design on superfluid gyroscope based on overlap factor optimization
ZHAO Yulong, REN Yuan, SHEN Huairong
2016, 42(11): 2436-2444. doi: 10.13700/j.bh.1001-5965.2015.0747
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Aimed at the limited range caused by single value interval of amplitude-angular velocity of heat driven double weak link superfluid gyroscope whose working curve is periodic, a superfluid gyroscope range extension method based on overlap factor optimization is proposed. First, on the basis of range ...
Efficient ground noise prediction method based on secondary noise radiation model
WANG Fei, SHI Yongjie, XU Guohua
2016, 42(11): 2445-2453. doi: 10.13700/j.bh.1001-5965.2015.0756
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An efficient ground noise prediction method for the analysis of helicopter noise in flight based on the secondary noise radiation is developed. The method to predict the aerodynamic force and aeroacoustic characteristics based on the free-wake/FW-H, the noise propagation model that can take the effe...
Influence of pitch manipulation modes on controllability and stability of autogyro
LIN Qing, CAI Zhihao, YAN Kun, WANG Yingxun
2016, 42(11): 2454-2465. doi: 10.13700/j.bh.1001-5965.2015.0776
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To study the influence of two manipulation modes on flight dynamics characteristics of autogyro, an example autogyro UAV was chosen and modeled based on closed-form blade element method. Then the differences of the two modes in trim results, stability and handling characteristics were analyzed in th...
Interfacial stability of regenerated moulds against molten ZTC4 alloy
CHAI Lianjing, CHENG Xu, WU Guoqing, WANG Hong, NAN Hai
2016, 42(11): 2466-2471. doi: 10.13700/j.bh.1001-5965.2015.0683
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Aimed at the effect rules of several typical metal ions from reclaimed shells on contaminating casting surface, with the method of adding metallic elements such as Al, Nb and Mn to shell materials used to actually cast ZTC4 alloy (Ti-6Al-4V), this study analyzed the influence of different residual m...
Precise height control for UAV based on LADRC
QI Pengyuan, WANG Yong, ZHANG Daibing
2016, 42(11): 2472-2480. doi: 10.13700/j.bh.1001-5965.2015.0725
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Aimed at solving the impact of sophisticated wind disturbance, research on the control strategy, control structure and parameter optimization design is developed in this paper to realize height control with high precision performance in the longitudinal channel of unmanned aerial vehicle (UAV). Firs...
Work-conserving-based packet scheduling algorithm for CICQ switches
ZHANG Yuanhao, XIONG Qingxu
2016, 42(11): 2481-2487. doi: 10.13700/j.bh.1001-5965.2015.0688
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Although packet scheduling for combined input-crosspoint-queued (CICQ) switches has been extensively investigated, the performance in terms of throughput and average delay of packets is not satisfied, especially compared to the results obtained by employing output queued architecture. The key reason...
Microstructure and properties of ceramic/stainless steel joint with Ni foam interlayer
ZHANG Yu, ZHU Ying, GUO Wei, QI Dan, QI Zewu
2016, 42(11): 2488-2494. doi: 10.13700/j.bh.1001-5965.2015.0760
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Al2O3 ceramic and 1Cr18Ni9Ti stainless steel were brazed with or without Ni foam interlayer at the temperature of 850℃ for 60 min at vacuum. The microstructure of the joint was investigated by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), besides shearing tests were us...
Optimization method of thermal sensor placement for microprocessor with noise
LI Xin, YANG Jinxiao, CHENG Yuanle
2016, 42(11): 2495-2500. doi: 10.13700/j.bh.1001-5965.2016.0204
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High-performance processors employ dynamic thermal management (DTM) techniques,which use a set of on-chip thermal sensors to continuously monitor temperatures during the runtime. However, on-chip sensors are inevitably accompanied by a range of noise sources due to fabrication randomness and fluctua...
Degrees of freedom of networks with coexistence of 2×2 X channel and point-to-point channel
GUO Qianqian, LIU Feng, ZENG Liansun, QIN Wenming
2016, 42(11): 2501-2506. doi: 10.13700/j.bh.1001-5965.2015.0696
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Degrees of freedom (DOF) is a spatial multiplexing conception, which was introduced in multiple antenna systems. And it characterizes the utilization efficiency of spatial resource for wireless channels. In the area of cognitive radio, since the primary and secondary networks interfere with each oth...
Evaluation method of airflow field plan in warship based on improved ELECTRE method
ZHANG Xiuyuan, CHANG Xin, LI Xiang, YANG Fangqing
2016, 42(11): 2507-2515. doi: 10.13700/j.bh.1001-5965.2015.0703
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Based on the influence of airflow field on deck-landing aeroplane operations, an evaluation index system for airflow field of warship is constructed. In view of the defect of consistency check by analytic hierarchy process (AHP), a weighting method which is combined with group eigenvalue method (GEM...
Vibration amplitude characteristics of tubular electrode in EDM drilling
YU Zhiqiang, TONG Hao, LI Yong, CHAI Yongsheng, WANG Zhiqiang, LI Chaojiang
2016, 42(11): 2516-2523. doi: 10.13700/j.bh.1001-5965.2015.0736
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In the drilling of electric discharge machining (EDM) by use of a tubular electrode with high-pressure dielectric fluid, the random electrode vibration causes short circuit and second discharge which have a bad effect on machining accuracy and efficiency. In this paper, the microscopic amplitude cha...
Secure routing protocol based on optimized trust evaluation in Ad Hoc network
CHEN Shaohua, FAN Xiaoguang, ZHUO Zhenfu, HUANG Jinke, SUN Xianming
2016, 42(11): 2524-2531. doi: 10.13700/j.bh.1001-5965.2016.0184
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Aimed at the attack of selfish nodes in mobile Ad Hoc networks, this paper proposes a secure routing protocol TEAR, which is based on trust evaluation. In order to realize the accuracy and timeliness of trust values, the proposed protocol, which is based on the trust evaluation scheme of node behavi...
Subtle intrapulse feature extraction based on CEEMDAN for radar signals
WANG Wenzhe, WU Hua, WANG Jingshang, ZHANG Qiang
2016, 42(11): 2532-2539. doi: 10.13700/j.bh.1001-5965.2016.0410
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Effective signal feature extraction builds the foundation of highly accurate radar emitter identification, a key function of the electronic warfare. Conventional features used in practice such as the pulse description words cannot fulfill the task in complex electromagnetic environments. An effectiv...
Energy suboptimal flight strategy of bank-to-turn maneuver for lifting vehicle
YANG Ding, LIU Ming, YANG Lingxiao, YANG Ming, GE Yajie
2016, 42(11): 2540-2547. doi: 10.13700/j.bh.1001-5965.2016.0613
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When lifting vehicle is returning into earth's atmosphere, some path constraints including heating rate, dynamic pressure and overload should be enforced strictly. In order to reduce the energy losing during the performance of bank-to-turn maneuver, it is necessary to develop a suboptimal flight str...
Observability analysis for transfer alignment of inertial navigation system on moving base
HUANG Shuai, CAI Hong, DING Zhijian
2016, 42(11): 2548-2554. doi: 10.13700/j.bh.1001-5965.2015.0765
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A novel approach that starts from the basic observability definition is used to investigate the observability of the transfer alignment system on moving base. The original nonlinear state equations are analyzed directly to eliminate errors of the model. Sufficient conditions to make alignment fully ...

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