2019 Vol. 45, No. 4

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Volume 45 Issue42019
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Constant-force curved-surface-tracking with robotic manipulator based on adaptive iterative algorithm
LI Lin, XIAO Jiadong, ZHANG Tie, XIAO Meng
2019, 45(4): 641-649. doi: 10.13700/j.bh.1001-5965.2018.0441
Abstract:

This paper dealt with the fluctuation and instability of contact force that isgenerated between robot end-effector and environment during the process of robotic grinding, polishing and deburring. In order to obtain constant tracking force, the contact force is generated by robot end-effector onto th...

Design of prescribed performance backstepping control method for hypersonic flight vehicles
LI Xiaobing, ZHAO Siyuan, BU Xiangwei, HE Yangguang
2019, 45(4): 650-661. doi: 10.13700/j.bh.1001-5965.2018.0463
Abstract:

In order to solve the flight control problem of the air-breathing hypersonic vehicle, a new design method of neural inversion controller with prescribed performance was proposed. By constructing a prescribed performance function, it is ensured that the velocity tracking error and the altitude tracki...

Analysis of factors affecting catapult take-off of carrier aircraft and design of lateral control law
WU Wenhai, SONG Liting, ZHANG Yang, WANG Jie, GAO Li
2019, 45(4): 662-671. doi: 10.13700/j.bh.1001-5965.2018.0481
Abstract:

The various factors affecting the carrier aircraft catapult take-off safety are analyzed in detail. The nonlinear six-degree-of-freedom motion model of the aircraft in climbing phase is established. The effect of the rolling and yaw motion and crosswind on the catapult take-off characteristics is si...

Unsteady flow characteristics of dorsal inlet under low-energy inflow
LIU Zhimin, YAN Panpan, ZHANG Qunfeng, LI Xingzuo, SUN Chao
2019, 45(4): 672-680. doi: 10.13700/j.bh.1001-5965.2018.0573
Abstract:

To improve the dorsal S-shaped inlet flow performance of low-energy inflow.The flow fields of both original and improved dorsal inlet were studied by using improved delayed detached-eddy simulation (IDDES) method, and the mass flow and pressure fluctuation characteristics of the two inlets were comp...

Dynamic real-time star map simulation based on convolution surface
YAN Jinyun, LIU Hui, ZHAO Weiqiang, JIANG Jie
2019, 45(4): 681-686. doi: 10.13700/j.bh.1001-5965.2018.0425
Abstract:

The multi-star simulator dynamically displays star image in the sky map and is the key device for testing a star sensor. As the star spot in the star image smears under dynamic conditions, it is necessary for the star simulator to accurately simulate the smeared star image in real time. First, the c...

Non-cooperative UAV target recognition in low-altitude airspace based on motion model
CHEN Weishi, LIU Jia, CHEN Xiaolong, LI Jing
2019, 45(4): 687-694. doi: 10.13700/j.bh.1001-5965.2018.0447
Abstract:

To guarantee the safety of low-altitude airspace, a target recognition method based on motion model was proposed for the non-cooperative UAV target in low-altitude airspace, as an extension of the application of the existing target tracking algorithm, which could detect the UAV and reject the false ...

Sum frequency nonlinear effects of micro-crack orientation and ultrasound in metallic materials
YANG Bin, SHI Kaiyuan, YUAN Tingbi, XIAO Deming, WANG Kan, LI Zhenhai
2019, 45(4): 695-704. doi: 10.13700/j.bh.1001-5965.2018.0518
Abstract:

In order to study the non-destructive testing of micro-crack orientation angle of metal materials, the research of the ultrasonic sum frequency nonlinear effect about the micro-crack orientation of metallic materials is carried out. In theory, the relationship between the ultrasonic nonlinear freque...

Nonlinear stability region determination and safety manipulation strategies for icing aircraft
ZHOU Chi, LI Yinghui, ZHENG Wuji, WU Pengwei, DONG Zehong
2019, 45(4): 705-713. doi: 10.13700/j.bh.1001-5965.2018.0430
Abstract:

Icing will destroy the dynamic performance of the aircraft and cause the safety envelope shrink, which seriously affects the flight safety. It is of great significance to study the changes of nonlinear stability region of the icing aircraft for reducing flight accidents. In this paper, the NASA's GT...

Computation method on motional reliability of mechanism under mixed parameters with fuzziness and randomness
YOU Lingfei, ZHANG Jianguo, ZHAI Hao, LI Qiao
2019, 45(4): 714-721. doi: 10.13700/j.bh.1001-5965.2018.0433
Abstract:

Mixed uncertainties of random variables and fuzzy variables are ubiquitous in the parameters of the current mechanism products, but the existing fuzzy reliability model mainly aims at static problems, which cannot describe the time-dependent problem with mixed uncertainty. This paper proposes a reli...

Air-to-air missile launchable area based on target escape maneuver estimation
WANG Jie, DING Dali, XU Ming, HAN Bo, LEI Lei
2019, 45(4): 722-734. doi: 10.13700/j.bh.1001-5965.2018.0462
Abstract:

In order to satisfy the special requirement for fire control of air-to-air missiles under unmanned air combat conditions, the problem of launchable area of air-to-air missile based on target maneuver estimation is presented. Based on the missile-target tracking escape countermeasure strategy, the ta...

Analysis and optimization of temperature field uniformity of proton exchange furnace
FU Na, ZHANG Xi
2019, 45(4): 735-742. doi: 10.13700/j.bh.1001-5965.2018.0350
Abstract:

Aimed at the problem of temperature field uniformity of proton exchange furnace, combined with the structural characteristic of the furnace, temperature control algorithm was developed based on FLUENT user-defined function (UDF). Based on this, various heating and temperature control schemes were pr...

Scaling method of aeroelastic model considering geometric nonlinearity
CHAI Rui, TAN Shengang, HUANG Guoning
2019, 45(4): 743-751. doi: 10.13700/j.bh.1001-5965.2018.0419
Abstract:

The high-aspect-ratio flexible wing has become the main structural type of emerging aircraft with the increasing demand and performance improvement of aircraft. The wing type holds the inherent characteristics of high lift-to-drag ratio, large deformation and low weight, and the geometric nonlinear ...

An approach for similarity discrimination on landing gear load spectrum
YAN Canlin, HE Xiaofan, LI Yuhai
2019, 45(4): 752-759. doi: 10.13700/j.bh.1001-5965.2018.0421
Abstract:

The life monitoring of the landing gear structure plays an important role in ensuring its safety and economy. However, it is difficult to accurately predict the fatigue damage of the individual spectrum due to the complex high-low load interaction of the ground spectrum. Therefore, based on the equi...

Fault diagnosis for SHA/EMA redundant system based on bond graph model
LIU Hongfei, YU Liming, ZHANG Zhu, YAN Xudong, HAN Xudong
2019, 45(4): 760-768. doi: 10.13700/j.bh.1001-5965.2018.0150
Abstract:

For the complex fault modes in the redundant system composed of servo-controlled hydraulic actuator (SHA) and electromechanical actuator (EMA), the fault diagnosis method based on bond graph model can be used to diagnose many parameter faults in the system. Firstly, the behavioral model of SHA/EMA r...

Robust Capon beamforming based on frequency diverse array
FENG Xiaoyu, XIE Junwei, GE Jiaang, ZHANG Jing, WANG Bo
2019, 45(4): 769-777. doi: 10.13700/j.bh.1001-5965.2018.0190
Abstract:

In order to overcome the defect that the phased array beam has only angular resolution, the two-dimensional range-angle correlation of the beam is realized by adding a very small frequency increment relative to the carrier frequency between the array elements in the frequency diverse array. Three ki...

Correlation analysis model of dynamic and static modulus for subgrade with taxiing aircraft
LIU Xiaolan, ZHANG Xianmin, DONG Qian
2019, 45(4): 778-786. doi: 10.13700/j.bh.1001-5965.2018.0428
Abstract:

In order to establish dynamic and static modulus correlation analysis model of subgrade with taxiing aircraft, this paper considers the subgrade stress level of taxiing aircraft, compaction degree and moisture content of typical subgrade, and common frequency of taxiing aircraft. Dynamic and static ...

Discussion on correlation between wind tunnel test and flight of Mars reentry vehicle
LIU Fangbin, YUAN Junya
2019, 45(4): 787-795. doi: 10.13700/j.bh.1001-5965.2018.0434
Abstract:

Due to the limitations of wind tunnel test conditions, the real flight environment of Mars reentry aircraft is difficult to fully be simulated, so it is necessary to establish the relationship of Mars reentry vehicle between windtunnel conditions and real flight. In this investigation, based on the ...

Network program vulnerability detection technology based on program modeling
DENG Zhaokun, LU Yuliang, HUANG Zhao, HUANG Hui, ZHU Kailong
2019, 45(4): 796-803. doi: 10.13700/j.bh.1001-5965.2018.0436
Abstract:

By studying and analyzing the vulnerability detection method of network program, a vulnerability detection method based on program modeling was proposed, and this method is aimed at the binary network program vulnerability in the C/S structure. The method analyzes the network program architecture, e...

Low-complexity fast SIFT feature extraction based on FPGA
JIANG Xiaoming, LIU Qiang
2019, 45(4): 804-810. doi: 10.13700/j.bh.1001-5965.2018.0438
Abstract:

Scale invariant feature transform (SIFT) algorithm is widely used in the field of computer vision because of its excellent robustness. In order to solve the problem of low real-time performance of computation-intensive SIFT algorithm on CPU, a fast SIFT hardware architecture is proposed based on fie...

Automatic recognition and extraction algorithm for basic features of aircraft sheet metal parts
TANG Zhihong, ZHENG Guolei, ZHENG Yiwei
2019, 45(4): 811-820. doi: 10.13700/j.bh.1001-5965.2018.0454
Abstract:

Aircraft sheet metal part is an important part of the aircraft structure, which has the characteristics of large quantity and shape variety. The time consumed in the production process of aircraft sheet metal parts occupies a large proportion in the process of aircraft development. Current productio...

Mixed-grain parity-code-based fault detection method against fault injection
WANG Peijing, LIU Qiang
2019, 45(4): 821-826. doi: 10.13700/j.bh.1001-5965.2018.0464
Abstract:

For efficient countermeasure against fault injection attacks, a mixed-grain parity-code-based fault detection approach was proposed. Traditional parity-code-based fault detection approach assigns a parity bit per n bits, representing the parity of the n-bit word. As n decreases, the number of parity...

The earth's albedo correction of photodiodes and satellite attitude estimation
CHU Lixiang, FAN Qiaoyun
2019, 45(4): 827-833. doi: 10.13700/j.bh.1001-5965.2018.0470
Abstract:

As a small and low-cost sun sensor, the photodiode, combined with the earth sensor, can determinate full three-axis satellite attitude. However, the photodiode is sensitive to the surrounding light sources, such as the earth, which limits its application. The mathematical model of the earth's albedo...

Mission reliability allocation method considering multiple factors for repairable systems
LIU Zhaoxia, SUN Yufeng, XUAN Jie, XU Zhihong, ZHAO Guangyan
2019, 45(4): 834-840. doi: 10.13700/j.bh.1001-5965.2018.0472
Abstract:

In practical engineering, a system is usually complex and repairable. Its reliability model is not a series model but a mixed model of series, parallel, bypass and voting. The equal-distribution method is used mostly to allocate mission reliability for complex system at present. The allocation resul...

Laser frequency stabilization transmission method based on an F-P cavity
LI Xinyi, LI Xiufei, QUAN Wei
2019, 45(4): 841-846. doi: 10.13700/j.bh.1001-5965.2018.0473
Abstract:

Laser frequency stabilization is a common request in the development of quantum sensors. The frequency of the laser often needs to be locked on the detuning far away from the resonance, which is key to improve the sensitivity and accuracy of quantum sensors. Aimed at far off-resonance laser frequenc...