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2016 Vol. 42, No. 3

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Volume 42 Issue32016
2016 Year 42 Volume 3 Issue E-journal
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Structural reliability analysis based on dimensionality reduction and Edgeworth series
MENG Guangwei, FENG Xinyu, LI Feng, ZHOU Liming
2016, 42(3): 421-425. doi: 10.13700/j.bh.1001-5965.2015.0181
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Abstract:
A reliability analysis method based on the dimension reduction algorithm and the Edgeworth series was proposed to treat the complicate structures with implicit and high dimensional nonlinear limit state functions in practical engineering. By utilizing the dimension reduction method, the n-dimensiona...
Design of control law for ejection seat under adverse attitudes
MAO Xiaodong, LIN Guiping, YU Jia
2016, 42(3): 426-434. doi: 10.13700/j.bh.1001-5965.2015.0188
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Abstract:
The escape performance of ejection seat under adverse attitudes is the key technology for the 4th generation ejection seat, and the design of control law algorithm is the core problem for attitude and trajectory adjustment. A new control law design method was presented. Firstly, a simulation model f...
Hot-rolling batch scheduling in round steel production with flexible maintenance planning
WANG Lei, ZHAO Qiuhong, XU Shaoyun
2016, 42(3): 435-443. doi: 10.13700/j.bh.1001-5965.2015.0170
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A hot-rolling batch scheduling problem of round steel with flexible maintenance planning was studied. For obtaining an effective cooperative scheduling with machine maintenance and batch production, a multi-objective integer programming model was built with the objectives to minimize the makespan, t...
Heading sensitive drift behavior model for platform inertial navigation system under long-term storage
HUANG Xiaokai, ZHANG Chao, HU Fang, LIU Shouwen
2016, 42(3): 444-451. doi: 10.13700/j.bh.1001-5965.2015.0151
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The heading sensitive drift of platform inertial navigation system varies with the degradation of performance and the coupling characteristics under long-term storage conditions. Such heading sensitive drift is different from those under working conditions, which makes it difficult to analyze the st...
Surface temperature distribution of molten pool by ultra high frequency pulsed GTAW
YANG Zhou, QI Bojin, YANG Mingxuan
2016, 42(3): 452-458. doi: 10.13700/j.bh.1001-5965.2015.0155
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Thermal observation of molten pool was carried out with Ti-6Al-4V plates (with thickness of 5 mm). The molten pool surface temperature distribution of ultra high frequency pulsed gas tungsten arc welding (UHFP-GTAW) was collected and analyzed by infrared imaging monitor. Compared with conventional G...
Multi-valued decision diagram based reliability modeling of warm standby systems
ZHAI Qingqing, YANG Jun, PENG Rui, ZHAO Yu
2016, 42(3): 459-464. doi: 10.13700/j.bh.1001-5965.2015.0153
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Abstract:
As a generalization of cold and hot standby technique, warm standby has been widely used in the system design. This paper focuses on the reliability modeling of warm standby systems and extends a multi-valued decision diagram (MDD) based system reliability modeling approach. By concentrating on the ...
Phase retrieval for multiple-wavelength in-line digital holography
LI Yan, XIAO Wen, PAN Feng
2016, 42(3): 465-471. doi: 10.13700/j.bh.1001-5965.2015.0161
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Abstract:
In-line digital holography, because of its most simplified holographic recording architecture without extra reference beam, has a larger field of view compared with off-axis digital holography. Thus, it has been applied in many fields. However, both the defocused conjugate images and zero-order auto...
Large angle maneuvering control for missiles based on improved Terminal sliding mode method
MA Yueyue, TANG Shengjing, GUO Jie
2016, 42(3): 472-480. doi: 10.13700/j.bh.1001-5965.2015.0189
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Based on compound sliding surface and disturbance rejection mechanism, a novel design approach of nonsingular Terminal sliding mode (NTSM) controller is proposed for large angle maneuvering control during an air-to-air missile intercepting a target in the rear hemisphere of the carrier. Firstly, the...
Power upshift control strategy of torque-assist AMT
LU Jiapeng, LI Youde, HAN Peng, CHENG Xiusheng
2016, 42(3): 481-488. doi: 10.13700/j.bh.1001-5965.2015.0865
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The power upshift control strategy of torque-assist automated mechanical transmission (AMT) is researched. A torque-assist mechanism is equipped in the traditional AMT of commercial vehicle, which is made up of an assist clutch and automated control unit. The dynamic model of torque-assist AMT is es...
Heat transfer characteristics of axial piston pump slipper pair
TANG Hesheng, YIN Yaobao, LI Jing
2016, 42(3): 489-496. doi: 10.13700/j.bh.1001-5965.2015.0142
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To explore the distribution law of oil film temperature field at slipper pair for axial piston pump, a thermodynamic model of slipper pair was built through the conservation law of heat flux after analyzing its transfer mechanism in detail. The effects of slipper structure parameters on film tempera...
Local feature descriptor based on nonparametric marginal integration estimation
ZHENG Mingguo, WU Chengdong, CHEN Dongyue, JIA Tong, JIN Yonghu
2016, 42(3): 497-505. doi: 10.13700/j.bh.1001-5965.2015.0156
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A statistical model for the feature descriptor of local region was suggested to improve the image matching performance. This model is a marginal integration function model based on the gradient magnitude and orientation distribution. The marginal integration function on the discrete gradient orienta...
Fault diagnosis method based on extension rule-based reasoning
WEN Tianzhu, XU Aiqiang, WANG Yiping
2016, 42(3): 506-513. doi: 10.13700/j.bh.1001-5965.2015.0166
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Aimed at low inference efficiency, difficult knowledge acquisition and unsuitability for multi-fault diagnosis in production rule reasoning method, the fault diagnosis method based on extension rule-based reasoning is studied. Firstly, the expression of extension rule is obtained by combining basic-...
Correction of contrast distortion image based on nonlinear transform of histogram
GAO Ming, QIN Shiyin
2016, 42(3): 514-521. doi: 10.13700/j.bh.1001-5965.2015.0168
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In the practical imaging, the image contrast is distorted due to influence of multi-factors, which degrades image quality greatly. A contrast correction method is presented based on nonlinear transform of histogram and parameter optimization in order to improve image quality and enhance the visual e...
Missile competing fault prediction based on degradation data and fault data
CONG Linhu, XU Tingxue, WANG Qian, DONG Qi
2016, 42(3): 522-531. doi: 10.13700/j.bh.1001-5965.2015.0175
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Abstract:
Aiming at the problem of missile competing fault prediction which has multivariate degradation data, the characteristics of missile degradation are analyzed and missile competing fault prediction model which has multivariate degradation data is established considering the correlation between sudden ...
Body-flap attitude control method for lifting re-entry vehicle
WANG Zhi, LI Huifeng, BAO Weimin
2016, 42(3): 532-541. doi: 10.13700/j.bh.1001-5965.2015.0192
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Abstract:
An attitude output tracking control method is proposed for a lifting re-entry vehicle with a non-minimum phase property. Such problem is caused by body flaps which are the only actuators to be used for controlling three-channel. By using local differential homeomorphism, the attitude input-output mo...
Stage-wise multidisciplinary design optimization for multi-stage solid launch vehicle
MA Shuwei, LI Jinglin, CHEN Xi, CHEN Wanchun
2016, 42(3): 542-550. doi: 10.13700/j.bh.1001-5965.2015.0196
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Abstract:
Because of the strong coupling of multi-disciplines and the complicated algorithm and the low design efficiency, the integral optimization design of solid launch vehicle is a difficult, but important problem. To solve this problem, the multidisciplinary models of a multi-stage solid launch vehicle, ...
Improved Jacobi iterative method for hybrid grid and its application
HUANG Yu, YAN Chao, YUAN Wu
2016, 42(3): 551-561. doi: 10.13700/j.bh.1001-5965.2015.0197
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LU-SGS scheme is widely used today because of its robustness and cheap memory cost. However, the original LU-SGS shows less competitive convergence rate; in order to apply paralleled codes on hybrid unstructured grid, the grid reordering and regrouping procedure must be carried out beforehand. In th...
Vision guide based teaching programming for industrial robot
NI Ziqiang, WANG Tianmiao, LIU Da
2016, 42(3): 562-568. doi: 10.13700/j.bh.1001-5965.2015.0218
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Most industrial robots used in manufacture are based on teaching programming and offline programming. The shortcomings of these two programming methods limit the further application of industrial robots. A vision guide based programming method was introduced to solve the problem. The singular value ...
Cold standby n-component repairable system with repairman vacation
WEN Yanqing, CUI Lirong, LIU Baoliang
2016, 42(3): 569-575. doi: 10.13700/j.bh.1001-5965.2015.0226
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The reliability for a cold standby n-component repairable system with a repairman having multiple vacations is studied. If all of units are in normal state, the repairman may take his vacations, and the vacation time is a random variable. During the repairman's vacation, if a unit online fails to wo...
Reliability assessment method of nonlinear step-stress accelerated degradation data
CAI Zhongyi, CHEN Yunxiang, ZHANG Zhengmin, XIANG Huachun
2016, 42(3): 576-582. doi: 10.13700/j.bh.1001-5965.2015.0459
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Aiming at nonlinear degradation data in the occasion of step-stress accelerated degradation test (SSADT), a reliability assessment method for degradation data based on Wiener process is put forward in consideration of individual performance degradation variation. Firstly, the process and performance...
Effect of pneumatization degree of temporal bone air cell on vascular pulsatile tinnitus
YANG Jiemeng, WANG Lizhen, TIAN Shan, LIU Zhaohui, FAN Yubo
2016, 42(3): 583-587. doi: 10.13700/j.bh.1001-5965.2015.0140
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To quantify the biomechanic relationship between the degree of pneumatization in the temporal bone air cell and vascular pulsatile tinnitus, the numerical simulation upon a typical vascular pulsatile tinnitus patient's data were conducted in this study. First, the two 3D geometric models of temporal...
Scattering characteristics simulation and experimental analysis of precession cone target
YE Taoshan, HUANG Peilin, SHU Changyong, WANG ying, PENG Yaokun
2016, 42(3): 588-595. doi: 10.13700/j.bh.1001-5965.2015.0141
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The micro-motion and structural parameters of the ballistic target play an important role in ballistic target recognition. And correctly acquiring scattering characteristics of precession targets is essential to obtain these parameters, such as time-frequency distribution (TFD), range profiles and i...
Spacecraft electrical signal classification method based on improved artificial neural network
LI Ke, WANG Quanxin, SONG Shimin, SUN Yi, WANG Jun
2016, 42(3): 596-601. doi: 10.13700/j.bh.1001-5965.2015.0186
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To solve the problem of multiple data and arduous task in the aircraft test and intellectualize the management of the testing work, an intelligent classification system based on artificial neural networks was designed. The system can classify the original test data intelligently, reduce the workload...
First-principles investigation of Heusler alloys M2CoA(M=Mn,Ti;A=Al,Si)
LIN Daobin, SA Baisheng, ZHOU Jian, SI Chen, SUN Zhimei
2016, 42(3): 602-609. doi: 10.13700/j.bh.1001-5965.2015.0201
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The electronic structure and magnetic properties of the M2 CoA type Heusler alloys Mn2CoAl, Mn2CoSi, Ti2CoAl and Ti2CoSi were systematically investigated using first-principles calculations based on the density functional theory. The results show that Mn2CoAl is a ferrimagnetic spin gapless semicond...
Fluid-pipe coupling axis vibration characteristics induced by foundation vibration
LIU Sen, ZHANG Huailiang, PENG Huan
2016, 42(3): 610-618. doi: 10.13700/j.bh.1001-5965.2015.0208
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In view of the effect of axial foundation vibration on pipe and fluid fluctuation, an axial coupling vibration mathematical model of direct hydraulic pipeline was used to deduce boundary conditions under four different pipe end constraints, and method of characteristics was adopted to study the flui...
Low-temperature brazing wettability research of LD30 aluminum alloy and 304 stainless steel
XIONG Huan, QU Wenqing
2016, 42(3): 619-624. doi: 10.13700/j.bh.1001-5965.2015.0219
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LD30 aluminum alloy with 304 stainless steel using low temperature brazing was performed in the wettability research. Through wettability study contrast, three kinds of low melting point solders 60Sn-40Pb, Sn-3.5Ag and 35Sn-40Pb-25Bi which were suitable for LD30 aluminum alloy and 304 stainless stee...
Heat conduction analysis for simplified model of large scale space deployable structure
YANG Juntan, QIU Zhiping, LYU Zheng, LI Qi
2016, 42(3): 625-631. doi: 10.13700/j.bh.1001-5965.2015.0222
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Based on heat conduction and the equivalent thermal parameters, the space cable-strut deployable articulated mast and its ambient thermal environment were simplified. The dynamic boundary temperature was expanded into harmonic components adopting Fourier series, and the corresponding transient therm...
Simulation and analysis on electromagnetic impulse force of electro-impulse de-icing system
YUAN Qihang, LIN Guiping, LI Guangchao, SHEN Xiaobin, BU Xueqin
2016, 42(3): 632-638. doi: 10.13700/j.bh.1001-5965.2015.0351
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In order to calculate the electro-magnetic force on skin and changes with time more accurately, the working mechanism and process of the electro-impulse de-icing (EIDI) system were studied. The current in circuit of the system was calculated and analyzed. The electromagnetic field of the system was ...

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