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2014 Vol. 40, No. 10

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Continuous control for probe landing based on Terminal sliding mode
Liu Keping, Zeng Jianpeng, Zhao Bo, Li Yuanchun
2014, 40(10): 1323-1328. doi: 10.13700/j.bh.1001-5965.2013.0638
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For the probe descending and landing safely, a continuous control method based on proportional plus derivative (PD) and nonsingular Terminal sliding mode was proposed. First, the dynamic equation was deduced in the landing site coordinate system. Then the nominal trajectory guidance method based on ...
Pre-treatment of litsea cubeba nucleolus oil for bio-based aviation fuels
Zhu Yuelin, Liu Yajie, Ma Shengdong, Li Fan
2014, 40(10): 1329-1334. doi: 10.13700/j.bh.1001-5965.2013.0613
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Though litsea cubeba nucleolus oil has been used to prepare low level products such as alkanolamides for a long time, the main constituents including lauric acid, are thought to be excellent raw materials for bio-based aviation fuels since the carbon atomic numbers are around 8-16. Hydrogen peroxide...
Kinematical simulation analysis of steering system of mining dump truck based on adaptive differential evolution algorithm
Jiang Libiao, Cheng Cheng, He Jiashou, Liu Jianxiong
2014, 40(10): 1335-1340. doi: 10.13700/j.bh.1001-5965.2014.0104
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Spatial kinematics formulations were built on the basis of the steering system of 220 ton mining dump truck, which were verified by the model built in ADAMS and referring to the kingpin caster angle and kingpin inclination angle. This research focused to use MATLAB to program the dual-trial adaptive...
Design and validation of cold-flow test for air-breathing hypersonic vehicle
Deng Fan, Du Xin, Tan Huijun, Zeng Xianzheng
2014, 40(10): 1341-1348. doi: 10.13700/j.bh.1001-5965.2013.0617
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Cold-flow test is an important method for air-breathing vehicle to validate the inlet capability and aerodynamic characteristics. An airframe/propulsion integrative cruise vehicle with scramjet egine was designed; two-dimensional mixed-compression inlet and airframe/propulsion system coupling was us...
Analysis on characteristics of CO2 removal system of multi-cabin human spacecraft
Jin Jian, Hou Yongqing
2014, 40(10): 1349-1354. doi: 10.13700/j.bh.1001-5965.2013.0653
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Air environment of human spacecraft with multi-cabin is usually controlled by one core cabin through inter-cabin ventilation. An integrated simulation model of CO2 removal system of human spacecraft with multi-cabin was developed with Ecosimpro, including cabin sub module, crew sub module, CO2 remov...
Design of firmware upgrade algorithm for HINOC system
Cui Jingfei, Wang Jinlin, Zhang Zhen
2014, 40(10): 1355-1360. doi: 10.13700/j.bh.1001-5965.2013.0667
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High performance network over coax (HINOC) is a new technology of coaxial cable access, used for next generation broadcasting network. It can be used in triple play and the two-way cable TV network of digital and upgrade. The system is made up of HINOC bridge (HB) and HINOC modem (HM). In order to i...
Properties and fracture surface morphology of fiber-reinforced shell for investment casting
Lü Kai, Liu Xiangdong, Li Yanfen, Feng Hua, Wang Hao
2014, 40(10): 1361-1365. doi: 10.13700/j.bh.1001-5965.2014.0171
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In order to improve the properties of silicon sol shell for investment casting process, natural plant fibers combined with aluminum silicate fibers at natural-to-aluminum silicate fibers mass ratio of 1:1 were mixed into the slurries preparing for fiber-reinforced shell. The flexural strength of spe...
Civil aircraft's exceedance event diagnosis method based on fuzzy associative classifier
Gao Xiaoxia, Huo Weigang, Feng Xingjie
2014, 40(10): 1366-1371. doi: 10.13700/j.bh.1001-5965.2013.0656
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Most of current civil aircraft's exceedance event intelligent diagnosis models are "black box" model, which donot contribute to analyze the occurrence of civil aircraft's exceedance event. In order to overcome these shortcomings, a civil aircraft's exceedance event diagnosis method based on fuzzy as...
Selection of shifting element design based on genetic algorithm
Ma Mingyue, Liu Yanfang, Xu Xiangyang, Wang Yi
2014, 40(10): 1372-1377. doi: 10.13700/j.bh.1001-5965.2013.0619
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Based on the kinematic analysis of planetary gear mechanism and shifting element, an intelligent algorithm applied for selection of the shifting element design of automatic transmission was presented. Unlike traditional design methods, the characteristic parameters of the planetary gear mechanism we...
Fault tolerant control of multi-effectors aircraft using integral sliding model with WPI
Wang Fawei, Dong Xinmin, Wang Xiaoping, Xue Jianping
2014, 40(10): 1378-1385. doi: 10.13700/j.bh.1001-5965.2013.0623
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An integral sliding model using dynamic adjustment weighted pseudo inverse (WPI) was proposed to fault tolerant control for over-actuated aircraft actuator damaged, which had fault reconstruction error and time delay, position and rate limiting. The instruction restricts module was used to limit sat...
Calculation and simulation of stratospheric airship capsule stress considering the pressure gradient
Liu Longbin, Lü Mingyun, Xiao Houdi, Cao Shuai
2014, 40(10): 1386-1391. doi: 10.13700/j.bh.1001-5965.2013.0629
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The capsule volume of stratospheric airships was usually too huge and the surface curvature of buoyancy capsule was small, so local stress concentration of airship envelope could easily lead to large transformation and cause the capsule to overpressure damage and blast quickly. Basing on the pressur...
Fast algorithm of motion state detection based on tri geo-satellites
Yang Yuxiang, Zhang Huichuan
2014, 40(10): 1392-1398. doi: 10.13700/j.bh.1001-5965.2013.0631
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Aiming at the difficulty to detect the motion state of targets in the satellite-borne passive location system, a fast motion state detection algorithm, based on the principle that the location result of the dual-satellites geolocation using differential time offset (DTO) and differential frequency o...
Packet time delay of polling-based multiplexing in advanced orbiting systems
Zhang Meng, Xiong Huagang, Zhao Hongbo, Xia Ying
2014, 40(10): 1399-1404. doi: 10.13700/j.bh.1001-5965.2013.0661
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Most researches on multiplexing in advanced orbiting systems (AOS) were made by simulation, and few literatures got theoretical results. The packet time delay of polling-based multiplexing in AOS was studied. Mathematical model was established by using vacation queue system with non-exhaustive servi...
H∞ controller design for a class of nonideal switched systems
Li Wei, Wang Qing, Dong Chaoyang
2014, 40(10): 1405-1410. doi: 10.13700/j.bh.1001-5965.2013.0665
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A class of smoothly switched system model was proposed to describe the phenomena of dynamics switching that generally occured in real-world processes, and the problem of robust H∞ switching controller design was investigated for systems of this kind. Based on the average dwell time method and the di...
Fractional integral sliding mode nonlinear controller of electrical-hydraulic flight simulator
Han Songshan, Jiao Zongxia, Wang Chengwen, Shang Yaoxing, Shi Yan
2014, 40(10): 1411-1416. doi: 10.13700/j.bh.1001-5965.2013.0689
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Electrical-hydraulic flight motion simulator is the key equipment in hardware-in-the-loop testing of flight control systems. It can accurately reproduce, in real-time, the flight motion of aerial vehicles under laboratory conditions, which has great economic value and plays a very important role in ...
Effects of modification on jet mixing of sword alternating lobed nozzle
Sheng Zhiqiang, Huang Peilin, Ji Jinzu, Wang Ying
2014, 40(10): 1417-1423. doi: 10.13700/j.bh.1001-5965.2013.0633
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A novel lobed nozzle named as sword alternating lobed nozzle was designed, combined with the characteristics of the existing alternating lobed nozzles to modify the baseline lobed nozzle. The effects of scalloping and scarfing on jet mixing of sword alternating lobed nozzle were investigated by nume...
Weapon-target assignment based on Memetic optimization algorithm in beyond-visual-rang cooperative air combat
Yan Ji, Li Xiangmin, Liu Lijia, Zhang Fengxia
2014, 40(10): 1424-1429. doi: 10.13700/j.bh.1001-5965.2013.0643
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In beyond-visual-rang (BVR) cooperative air-to-air combat, weapon resources could be wasted if all weapon units are fully assigned at a time. To cope with the disadvantage, a new weapon-target assignment mathematical model based on the threshold of damage probability was proposed. The new model guar...
Parameter determination of Chaboche kinematic hardening models and ratcheting simulation
Jiang Jinpeng, Chen Tao, Jin Ping, Wang Jue
2014, 40(10): 1430-1435. doi: 10.13700/j.bh.1001-5965.2013.0655
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Chaboche kinematic hardening model is a powerful tool to evaluate the cyclic behavior and it can predict the ratcheting phenomenon. Parameters in three Chaboche kinematic hardening models were determined using genetic algorithm considering both hysteresis loop and ratcheting. In the three models, mo...
Fault detection and identification for a dual-redundant brushless DC motor system using wavelet transform and hierarchical clustering algorithm
Wang Xin, Du Yang, Zhou Yuanjun, Ma Qishuang
2014, 40(10): 1436-1441. doi: 10.13700/j.bh.1001-5965.2014.0207
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In order to implement the high reliability and wide-ranged speed control of an electro-mechanical actuator (EMA), a novel scheme was proposed to detect and identify faults of a dual-redundant brushless DC motor (BLDCM) system, which combines wavelet transform (WT) technique with hierarchical cluster...
Numerical simulation of two dimensional ice accretion based on lubrication theory
Hou Shuo, Cao Yihua
2014, 40(10): 1442-1450. doi: 10.13700/j.bh.1001-5965.2013.0625
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Water film-ice layer model based on lubrication theory was extended to two-dimensional orthogonal curvilinear coordinate system on arbitrary sections. Two governing partial differential equations of water film flow and ice accretion on curved sections were obtained. The numerical methods for solving...
Packet scheduling algorithm for multi-service MIMO-OFDMA downlink systems
Liu Zhuang, Li Xi, Ji Hong
2014, 40(10): 1451-1456. doi: 10.13700/j.bh.1001-5965.2013.0616
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A utility-based packet scheduling algorithm was proposed for downlink multiuser multiple input multiple output-orthogonal frequency division multiplexing access (MIMO-OFDMA) systems. The proposed algorithm not only considered the channel condition of physical layer, but also utilized the transmittin...
Cooperative guidance of multi aircraft in beyond-visual-range air combat
Ran Huaming, Zhou Rui, Wu Jiang, Dong Zhuoning
2014, 40(10): 1457-1462. doi: 10.13700/j.bh.1001-5965.2013.0620
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To solve the task allocation problem of air-to-air missile guidance power handover, according to the situation of our aircrafts to missiles whose guidance power needs to be turned over, situational advantage model to the missiles was established. Detecting capability model to missiles' targets was e...
Adaptive cubic convolution based image interpolation approach
Li Chunlong, Pan Haixia, Wang Huafeng
2014, 40(10): 1463-1468. doi: 10.13700/j.bh.1001-5965.2013.0621
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Image interpolation is an important technique of image processing, which can be used in many image process areas. In recent years, it is often used to zoom in or zoom out images. A novel effective image interpolation mechanism to enhance the enlarged image edges was proposed for the visual artifacts...
Application of the improved fuzzy comprehensive evaluation method in forming processing decision-making for the composite component
He Long, Mei Zhongyi
2014, 40(10): 1469-1476. doi: 10.13700/j.bh.1001-5965.2013.0663
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The original fuzzy comprehensive evaluation method can be improved and converted to the computer-operable decision-making algorithm which can solve the problem of making the forming processing decision for the aircraft composite component, and the evaluation result is more consistent with actual pro...
Spatial straightness error evaluation based on three-dimensional least squares method
Wang Bingjie, Zhao Junpeng, Wang Chunjie
2014, 40(10): 1477-1480. doi: 10.13700/j.bh.1001-5965.2013.0644
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Spatial straightness error is very important for the assessment of mechanical product precision. The spatial straightness error evaluation algorithm with high precision is needed in real project. In order to evaluate the spatial straightness error more accurately, a mathematical model of spatial str...

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