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2014 Vol. 40, No. 7

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Statics and stiffness of 3 DOF parallel loading mechanism
Fan Rui, Liu Huan, Wang Dan
2014, 40(7): 861-866. doi: 10.13700/j.bh.1001-5965.2013.0491
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A static model of a 3-DOF parallel mechanism (PM) that is used for computerized numerical control (CNC) machine tool follow-up loading test was established based on the screw theory. The mapping between actuation force and loading force of the moving platform was built considering the influence of l...
Stress corrosion properties of 00Cr18Ni10N austenitic stainless steel welded joints
Liu Jianhua, Wang Bing, Li Songmei, Yu Mei
2014, 40(7): 867-872. doi: 10.13700/j.bh.1001-5965.2013.0474
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The behaviors of stress corrosion cracking of an austenitic stainless 00Cr18Ni10N parent material and its welded joint in 3.5% NaCl solution were investigated by using the constant load stress corrosion cracking and microscopic analysis methods. The residual strength was measured after 120 h for str...
Electromechanical coupled dynamic characteristics of the plate with piezoelectric network
Li Lin, Yi Kaijun
2014, 40(7): 873-880. doi: 10.13700/j.bh.1001-5965.2013.0501
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Electromechanical coupled dynamic equations of the plate with piezoelectric network were established which was based on homogenization method of modeling composite structure. The characteristic equation of this coupled system was obtained by solving the dynamic equations. Through solving the charact...
Mechanical properties evaluation based on least squares for actuators system
Zhang Yeming, Cai Maolin
2014, 40(7): 881-886. doi: 10.13700/j.bh.1001-5965.2013.0493
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The advantages and disadvantages of mechanical properties evaluation methods were analyzed. The main evaluation factors of mechanical properties of pneumatic and electric actuators system were given, and three ways of acquiring actuator system evaluation factor data were listed. A method of mechanic...
Adaptive parameter generation in terrain reconstruction with descent images
Meng Cai, Zhou Na, Zhang Yani
2014, 40(7): 887-892. doi: 10.13700/j.bh.1001-5965.2013.0464
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In homography based landing area terrain reconstruction with descent images, the reconstruction parameters greatly influence the reconstruction results. Therefore a method for adaptive parameter generation was proposed to find the best parameters automatically. Firstly, an approximate terrain plane ...
Thermal characteristic of aerostatic direct-driven rotary stage
Zhang Congpeng, Liu Tong, Li Meibo
2014, 40(7): 893-898. doi: 10.13700/j.bh.1001-5965.2013.0771
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In order to develop a precision aerostatic direct-driven rotary stage for precision engineering application, the thermal structure stability and forced cooling method were investigated. First, the heat generation and heat transfer characteristics of this aerostatic direct-driven rotary stage were an...
Identification method of failure mechanism consistency by non-equidistance grey theory model
Li Xiaogang, Wang Yahui
2014, 40(7): 899-904. doi: 10.13700/j.bh.1001-5965.2013.0483
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To deal with the problems of accelerated failure mechanism consistency identification in the methods based on data processing and experimental observation need the accelerated testing data and the method based on grey theory needs that the data of pre-test is equidistant as well as the prediction ac...
Optimal multi-impulse rendezvous based on T-H equations
Ji Xiaoqin, Xiao Lihong, Chen Wenhui
2014, 40(7): 905-909. doi: 10.13700/j.bh.1001-5965.2013.0488
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For rendezvous near an elliptic reference orbit, relative motion was described by T-H equations. One time-fixed fuel-optimum multi-impulse rendezvous method was proposed to determine the optimal impulse and its time. If J2 perturbation or the far initial relative distance was considered, the T-H equ...
Optimization of lunar soft landing trajectory based on hybrid method
Peng Kun, Guo Linli, Xiang Kaiheng, Wang Ping, Xu Shijie
2014, 40(7): 910-915. doi: 10.13700/j.bh.1001-5965.2013.0710
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The lunar soft landing trajectory was optimized by hybrid method and artificial immune algorithm (AIA). Firstly, the system model of lunar soft landing trajectory was established and normalized. Secondly, the optimization problem of lunar soft landing trajectory was converted into a nonlinear progra...
Experimental analysis on micro-Doppler characteristics of rotors
Wang Ying, Peng Yaokun, Liu Feiliang, Huang Peilin, Ji Jinzu
2014, 40(7): 916-920. doi: 10.13700/j.bh.1001-5965.2013.0486
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In order to analyze the micro-Doppler effect of rotor and its main parts, a measurement method using microwave anechoic chamber was suggested, and its reliability was verified by some examples. A series of experiments on some rotors with two kinds of blades and with different numbers of blades indic...
Numerical method of forward position solution for 6-3 Stewart platform based on mechanism simplification
Xue Jian, Tang Zhiyong, Pei Zhongcai
2014, 40(7): 921-926. doi: 10.13700/j.bh.1001-5965.2013.0492
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To increase the speed of forward position solution for Stewart platform, the classical iterative method based on speed Jacobian was analyzed, and the new method for 6-3 Stewart platform was proposed. 6-3 Stewart platform was simplified as virtual 3-RPS parallel mechanism and its forward position sol...
Structural finite element model updating based on response surface optimization
Bao Nuo, Wang Chunjie
2014, 40(7): 927-933. doi: 10.13700/j.bh.1001-5965.2013.0525
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In order to solve the low accuracy problem in structural finite element analysis, a model updating method of surface response optimization was proposed. The sample points acquired by optimal Latin hypercube experimental design and the F-test evaluation utilized for parameter selection were used to c...
Dynamic viscosity measurements of aviation hydrocarbon fuel RP-3 at sub-critical pressures
Jia Zhouxia, Xu Guoqiang, Deng Hongwu, Wen Jie
2014, 40(7): 934-938. doi: 10.13700/j.bh.1001-5965.2013.0456
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A new experimental method and apparatus were developed for the measurements of dynamic viscosity of fluids under high temperature and high pressure conditions based on classical capillary tube method. This method has an uncertainty of 1.009% according to the error analysis. Validation experiments we...
Analysis on repeater jamming active cancellation for linear frequency modulated wave
Chen Shichun, Huang Peilin, Ji Jinzu
2014, 40(7): 939-946. doi: 10.13700/j.bh.1001-5965.2013.0457
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A repeater jamming active cancellation method for linear frequency modulated (LFM) wave was proposed. Utilizing the coupling between time delay and frequency shift of matched filtering output, by phase and frequency modulating, the synthetizing output of cancellation and original wave can meet the c...
Aerodynamic design of micro radial inflow turbine with wall heat transfer
Ding Chao, Bian Lei, Zou Zhengping
2014, 40(7): 947-952. doi: 10.13700/j.bh.1001-5965.2013.0490
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The heat transfer effect is a significant difference between the micro radial inflow turbine and the conventional radial inflow turbine, so it is very important to take the wall heat transfer effect into consideration when designing a micro radial inflow turbine. Based on the feature of non-adiabati...
Numerical method of aeroelasticity based on radial basis function interpolation
Lin Yanzhong, Chen Bing, Xu Xu
2014, 40(7): 953-958. doi: 10.13700/j.bh.1001-5965.2013.0460
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Proper and effective means of moving mesh and data exchange are the key points for aeroelasticity analysis. Radial basis function interpolation was introduced and used for aeroelasticity simulation, and the way how it was used in mesh deformation and data exchange was proposed. A computational metho...
Algorithm of structural topology optimization under loading uncertainty
Zhao Junpeng, Wang Chunjie
2014, 40(7): 959-964. doi: 10.13700/j.bh.1001-5965.2013.0476
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Structural topology optimization under loading uncertainty was studied, where the uncertainty was described by the probabilistic approach. According to the superposition principle of linear theory, computational method for expected and variance of structural compliance was proposed. Sensitivity anal...
Dynamic index based method for multi-objective optimization in aircraft conceptual design
Xu Min, Huang Peilin, Yan Ying, Li Wuzhou
2014, 40(7): 965-969. doi: 10.13700/j.bh.1001-5965.2013.0447
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To increase the search efficiency of optimal solution in aircraft conceptual design multi-objective optimization, comparison evaluation technique for multi-objective model was studied along with the implementation. Index benchmark (IB) was proposed for multi-objective model comparison, and dynamic i...
Vibration model of coilable mast considering slack diagonals
Han Jianbin, Huang Hai, Ma Haibo
2014, 40(7): 970-977. doi: 10.13700/j.bh.1001-5965.2013.0450
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After the coilable mast deploying, the battens are curved and the diagonals are tensioned because of the preload. The diagonals can be slack for large amplitude vibration. A vibration model was constructed to describe the fundamental frequency characteristic of that status. The curved batten and sla...
Effect of Reynolds number on characteristics of separated shear layer transition of backward facing step
Zhou Ning, Ze Cheng, Pan Chong
2014, 40(7): 978-983. doi: 10.13700/j.bh.1001-5965.2013.0481
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The backward-facing step flow is a classical model for the investigation of shear layer separation and reattachment characteristics. The transitional shear layer and its Re dependence was discussed by using two-dimensional time-resolved particle image velocimetry (PIV) measurement. It was observed t...
Excitation order verification of bladed-disk coupled resonance condition
Qi Zheng, Wang Jianjun
2014, 40(7): 984-987. doi: 10.13700/j.bh.1001-5965.2013.0455
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In order to define the influence factors of excitation order in bladed-disk coupling resonance condition, the image description of excitation order applied on bladed-disk structure under rotor-stator interference was given firstly. Then the new formula of excitation order was performed according to ...
Design and experiment of adjusting mechanism in aviation drilling end effector
Wang Qishen, Yuan Peijiang, Wang Tianmiao, Wang Chengkun
2014, 40(7): 988-993. doi: 10.13700/j.bh.1001-5965.2013.0471
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Aiming at the robot drilling perpendicularity in aircraft assembly, an adjusting attitude mechanism was designed using double eccentric discs. First, the normal at the drilling point was measured by four laser range sensors and the intersection point of the normal and the adjusting plane was calcula...
Novel design for deeply integrated GPS/INS navigation system
Mo Fan, Wang Xinlong
2014, 40(7): 994-1000. doi: 10.13700/j.bh.1001-5965.2013.0489
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In order to enhance the tracking performance and navigation accuracy in high-dynamic and severe jamming conditions, a new deeply integrated navigation scheme of strapdown inertial navigation system/global positioning system (SINS/GPS) based on vector tracking was proposed. This scheme utilized the f...
Simulation of voltage doubling rectifying circuit in 150 kV high-voltage inverter power supply
Du Huicong, Liu Fangjun, Zhang Wei, Zhao Jing
2014, 40(7): 1001-1005. doi: 10.13700/j.bh.1001-5965.2013.0503
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According to the characteristics of the electron beam high-voltage inverter power supply, high voltage transformer and voltage doubling rectifying circuit were combined for producing a 150 kV high voltage. Several common doubler rectifier circuit models were set up. The effect of capacitance paramet...
Separator materials in microbial fuel cell contrary to waste treatment in space
Li Xingye, Jia Boyang, Xie Beizhen, Liu Hong
2014, 40(7): 1006-1010. doi: 10.13700/j.bh.1001-5965.2013.0494
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In order to obtain a separator material with higher performance and lower cost, four materials including alkaline battery separator, lithium-ion battery separator, and two different kinds of activated carbon-stainless steel separators were discussed. The results show that, the ordinary alkaline batt...

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