2022 Vol. 48, No. 7

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Volume 48 Issue72022
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A power budgeting method for dark silicon chips based on task mapping
LI Xin, LI Zhi, ZHOU Wei, WU Ruiqi, TANG Haoran, CHEN Yehang
2022, 48(7): 1115-1124. doi: 10.13700/j.bh.1001-5965.2021.0011
Abstract:

The power budgeting for dark silicon systems can be regarded as a NP-hard problem. To achieve two opposite optimization objectives of improving chip average temperature and reducing communication cost, a power budgeting method based on task mapping for dark silicon chips is proposed. To reduce the c...

Partial observable Petri nets fault diagnosis with quantum Bayesian learning
LIU Jiufu, ZHANG Xinzhe, WANG Hengyu, TOMAS DIAS A.M., WANG Zhisheng, YANG Zhong
2022, 48(7): 1125-1134. doi: 10.13700/j.bh.1001-5965.2021.0010
Abstract:

This paper proposes an algorithm to construct a quantum Bayesian Petri nets model for the fault, and uses the sub net model to analyze the fault of Petri net system. According to the reachability identification diagram, which is the transition firing path can not judge the system state, establish th...

Inertial pedestrian navigation algorithm based on zero velocity update and attitude self-observation
DAI Hongde, ZHANG Xiaoyu, ZHENG Baidong, DAI Shaowu, ZHENG Weiwei
2022, 48(7): 1135-1144. doi: 10.13700/j.bh.1001-5965.2021.0037
Abstract:

Aiming at the problem of reduced navigation accuracy caused by the divergence of the heading angle in inertial pedestrian navigation, an inertial pedestrian navigation algorithm based on zero velocity correction and attitude self-observation is proposed. A four-condition zero velocity detection algo...

A rapid path planning method for multiple UAVs to cooperative strike
CHEN Qingyang, XIN Hongbo, WANG Yujie, TANG Zhongnan, JIA Gaowei, ZHU Bingjie
2022, 48(7): 1145-1153. doi: 10.13700/j.bh.1001-5965.2021.0022
Abstract:

Focusing on the cooperative strike problem to important with multiple suicide UAVs, a cooperative striking strategy based on hierarchical space distribution is proposed. The strategy is proposed with the vehicle kinematic constraint, the collision constraint of UAVs, and the space-time cooperative c...

Occlusion recognition algorithm based on multi-resolution feature auto-selection
XIE Xiangying, LAI Guangzhi, NA Zhixiong, LUO Xin, WANG Dong
2022, 48(7): 1154-1163. doi: 10.13700/j.bh.1001-5965.2021.0289
Abstract:

The identification of obstructions of photovoltaic modules is an indispensable link in modern photovoltaic operation and maintenance systems. Traditional identification methods mostly rely on manual inspections, but they are costly and inefficient. Therefore, based on the convolutional neural networ...

Design and characteristics of reverse direct-acting high-pressure reducing valve for pneumatic actuator
LIU Yanbin, WANG Xuesheng, QIN Xinya, WANG Hao, CHEN Qinzhu, ZHAO Sai
2022, 48(7): 1164-1173. doi: 10.13700/j.bh.1001-5965.2021.0292
Abstract:

Pneumatic actuator is the key component of the flight attitude control system for air-defense missile, directly influences flying stability and attitude control ability. Missile-borne high-pressure gas provides power for pneumatic actuator through pressure reduction, which can reduce the space occup...

End face deformation and friction and wear of high-speed dry friction mechanical seal
MA Runmei, ZHAO Xiang, CHEN Xiaozhu, LI Shuangxi, YANG Haichao
2022, 48(7): 1174-1182. doi: 10.13700/j.bh.1001-5965.2021.0005
Abstract:

In order to solve the problem of seal failure caused by excessive deformation and wear of mechanical seal end face due to improper design under high-speed dry friction conditions, a thermal structure coupled numerical calculation model was established to analyze the temperature field and end face de...

Effect of suction flow rate on performance of catalytic inerting system
WANG Chenchen, PAN Jun, WANG Yangyang, DUAN Weijie
2022, 48(7): 1183-1189. doi: 10.13700/j.bh.1001-5965.2021.0026
Abstract:

Based on the principle of oxygen-consuming inerting system, the AMESim simulation model of low temperature controllable oxygen consumed catalytic green inerting system (3CGIS) was established. The effect of the suction flow rate of 3CGIS on the inerting time, and the change of the oxygen volume frac...

Numerical investigation on evolution of T-S wave on a two-dimensional compliant wall with finite length
HONG Zheng, YE Zhengyin
2022, 48(7): 1190-1199. doi: 10.13700/j.bh.1001-5965.2021.0030
Abstract:

Inspired by the flexible characteristics of bird feathers, numerical simulations are used to study the influence of the compliant wall on the evolution of T-S wave in the subsonic boundary layer flow. First, the numerical results on the rigid wall are in good agreement with the linear stability theo...

Gust load alleviation analysis based on vortex lattice method in state-space form
YANG Lan, AN Chao, XIE Changchuan, YANG Chao
2022, 48(7): 1200-1209. doi: 10.13700/j.bh.1001-5965.2021.0023
Abstract:

Gust response and gust load alleviation control system design is an important issue in aeroelasticity. This paper presents a gust response model based on the vortex lattice method (VLM) in state-space formulation and gives the couple relationships between finite element method modes/control surface ...

Decoupled active disturbance rejection control method for magnetically suspended rotor based on state feedback
YIN Zengyuan, CAI Yuanwen, REN Yuan, WANG Weijie, CHEN Xiaocen, YU Chunmiao
2022, 48(7): 1210-1221. doi: 10.13700/j.bh.1001-5965.2021.0021
Abstract:

A decoupled anti-interference control method for rotor tilting is proposed to address the strong coupling of rotor deflection channels of magnetically suspended control and sensitive gyroscope (MSCSG), as well as disturbance instability during spacecraft attitude measurement. The coupling of rotors ...

Target tracking algorithm based on efficient attention and context awareness
BAI Luo, ZHANG Hongli, WANG Cong
2022, 48(7): 1222-1232. doi: 10.13700/j.bh.1001-5965.2021.0013
Abstract:

The matching-based Siamese network algorithm often lacks the overall perception of a target, which easily leads to inaccurate target state estimation and target missing in complex environments. Therefore, this paper designs two lightweight modules on the basis of the twin network to achieve more acc...

A DDQN-based mixed-criticality messages scheduling method for network-on-chip
LI Guoliang, LI Qiao, XU Yajun, XIONG Huagang
2022, 48(7): 1233-1241. doi: 10.13700/j.bh.1001-5965.2021.0006
Abstract:

Real-time scheduling of mixed-criticality messages carried by network on chip (NoC) is the key to its application to on-chip muli-core communication in avionics system. A double deep Q-network(DDQN) method was proposed to solve the problem of satisfiability modulo theories (SMT) to low efficiency an...

VWKNN location fingerprint positioning algorithm based on improved discrete coefficient
XU Tian, HE Jingsha, ZHU Nafei, DENG Wanhang, WU Shuang, TA Yongjun
2022, 48(7): 1242-1251. doi: 10.13700/j.bh.1001-5965.2021.0019
Abstract:

The location fingerprint algorithm is the main method to study the indoor positioning technology, and the online matching algorithm is one of the main factors affecting the indoor positioning accuracy. At present, the matching algorithms in online stage include the nearest neighbor algorithm, K-near...

Design and optimization of large-stroke decoupled three-translational micro-positioning platform
LIN Miao, MENG Gang, JU Yongjian, XU Weisheng, CAO Yi
2022, 48(7): 1252-1262. doi: 10.13700/j.bh.1001-5965.2021.0007
Abstract:

To design large-stroke three-translational micro-positioning platforms with excellent decoupling characteristics, a new 2T3R type motion pair was proposed. The structure of three-translational micro-positioning platform was designed based on the 2T3R type motion pair. The theoretical models of force...

PM based super-resolution method of azimuth detection for electromagnetic vortex wave fuze
SUN Lihua, YAN Xiaopeng, LIU Qiang, HAO Xinhong, ZHANG Hongyun
2022, 48(7): 1263-1268. doi: 10.13700/j.bh.1001-5965.2021.0020
Abstract:

To improve the azimuth detection accuracy of air defense missile radio fuze at low signal-to-noise ratio (SNR) background, a super-resolution method of azimuth detection for electromagnetic vortex wave fuze based on propagator method (PM) is proposed. Vortex electromagnetic waves with different orbi...

Images inpainting via structure guidance
HU Kai, ZHAO Jian, LIU Yu, NIU Yukai, JI Gang
2022, 48(7): 1269-1277. doi: 10.13700/j.bh.1001-5965.2021.0004
Abstract:

Aiming at the problem of obvious visual artifacts in the content of rough network with less prior knowledge, a two-stage image inpainting method based on an edge structure generator is proposed. The edge structure generator is used to perform feature learning on the input image edge and color smooth...

Low computational-cost multicast subgrouping for SVC streams
YANG Jingxuan, XU Zhen
2022, 48(7): 1278-1286. doi: 10.13700/j.bh.1001-5965.2021.0014
Abstract:

Multicast is widely used in multimedia transmission because it can utilize channel bandwidth efficiently. However traditional multicast scheme has bottleneck rates problem, which may limit the multicast transmission rate. Subgroup formation can solve the problem, which involves splitting and classif...

Orbital dynamics of rings of small bodies
WU Tailong, WANG Yue
2022, 48(7): 1287-1296. doi: 10.13700/j.bh.1001-5965.2021.0003
Abstract:

With the development of astronomical observations, it has been found that, not only Saturn, Jupiter and other giant planets, but also some small bodies are surrounded by rings. Focussing on rings of the Centaur 10199 Chariklo, we study the orbital dynamics of particles in the gravitational field of ...

Calibration method for high precision camera based on plane transformation
PENG Yan, GUO Junbin, YU Chuanqiang, KE Bing
2022, 48(7): 1297-1303. doi: 10.13700/j.bh.1001-5965.2021.0015
Abstract:

Traditional methods do not consider the existence of perspective deviation, and usually extract the center of the ellipse as the projection point of a real physical center, resulting in camera calibration errors. A calibration method for high precision cameras was proposed based on plane transformat...

Hot spot detection algorithm of photovoltaic module based on attention mechanism
FAN Tao, SUN Tao, LIU Hu
2022, 48(7): 1304-1313. doi: 10.13700/j.bh.1001-5965.2021.0457
Abstract:

The hot spot phenomenon is one of the important reasons for the reduction of power generation capacity of photovoltaic panels, and the detection of hot spots is an essential task for operation and maintenance personnel. The scale of distributed photovoltaic power plants is generally small, the site ...

Mechanism analysis of a new aeroservoelastic instability mode
JIANG Yu, YANG Chao, WU Zhigang
2022, 48(7): 1314-1323. doi: 10.13700/j.bh.1001-5965.2021.0571
Abstract:

Recently, the structure of a supersonic missile disintegrated due to aeroservoelastic instability in flight test. Through the analysis of flight test data, it is found that the vibration frequency of aerodynamic servo elastic instability is higher than the first-order bending elastic modal frequency...

Optimal design of motion parameters of flapping wing
WU Yue, XIE Changchuan, YANG Chao, An Chao
2022, 48(7): 1324-1331. doi: 10.13700/j.bh.1001-5965.2021.0593
Abstract:

The flight of an ornithopter depends on the motions of the flapping wing. The optimal aerodynamic characteristics of a specific flapping wing will be obtained when using an optimized motion strategy. Furthermore, it provides a design basis for the transmission mechanism of a flapping wing aircraft. ...

Design and implementation of a high precision 6-DOF parallel platform for a space optical remote sensor
LIANG Fengchao, TAN Shuang, HUANG Gang, FAN Jiankai, LIN Zhe, KANG Xiaojun
2022, 48(7): 1332-1342. doi: 10.13700/j.bh.1001-5965.2021.0224
Abstract:

The high precision 6-DOF parallel platform can precisely adjust the position and pose of the secondary mirror of the space optical remote sensor, which could realize the ground optical alignment and the active correction of optical aberration on orbit. In order to solve the two difficulties, ie, ult...