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2025, Volume 51,  Issue 5

Volume 5 Issue E-journal
Volume 51 Issue52025
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Special Column on Intelligent Construction and Automatic Recommendation Technology of Power Electronic Converter Topologies
Topology self-generating method of isolated DC-DC converters with two switches
LI Hong, LIANG Yidi, YIN Chengdong, ZHENG Qionglin, ZHANG Bo
2025, 51(5): 1415-1427. doi: 10.13700/j.bh.1001-5965.2023.0483
Abstract:

More isolated DC-DC converter topologies are required as a result of the growing need for different power conversion brought on by the development of new energy generation and electrified transportation. To overcome the randomness and lack of topology optimization in generating topologies based on h...

Improved sliding-mode direct power control strategy for MMC-HVDC under asymmetrical grid state
GUAN Tianyi, WANG Yibo, WANG Rui, ZHAO Haiqiao, ZHENG Wenjing, SUN Qiuye
2025, 51(5): 1428-1439. doi: 10.13700/j.bh.1001-5965.2023.0277
Abstract:

The modular multilevel converter based high voltage direct current (MMC-HVDC) is a dynamic power balancing system. The control system of MMC generally adopts a dual closed-loop vector control strategy based on the traditional instantaneous power model under an asymmetric grid state, which has a comp...

Discrimination on isomorphism and equivalence of topologies of power electronics converters
MO Liping, CHEN Guipeng, LI Zhiqiang
2025, 51(5): 1440-1448. doi: 10.13700/j.bh.1001-5965.2023.0357
Abstract:

In the process of deriving topologies for power electronic converters, researchers often use topology equivalence or topology isomorphism to identify topologies with different structures but identical performance, thereby avoiding redundant studies. However, the connotations of topology equivalence ...

Auto identification method for redundant switches in converters based on graph theory
MO Liping, SONG Jixiang, CHEN Guipeng
2025, 51(5): 1449-1456. doi: 10.13700/j.bh.1001-5965.2023.0358
Abstract:

Up to now, massive power electronics converters have been derived to satisfy various demands in practical applications. However, most of these methods focus on discovering effective converters, ignoring the redundant switches in converters. This paper aims to delete converters with redundant switche...

Optimal dynamic response exploration for SIMO Buck converter based on differential evolution algorithm
LI Dan, CUI Wenfeng, CHEN Guipeng
2025, 51(5): 1457-1468. doi: 10.13700/j.bh.1001-5965.2023.0356
Abstract:

With the widespread application of single-inductor multiple-output (SIMO) DC-DC converters, their dynamic response has much concern for domestic and foreign researchers. To explore the theoretical limit of the optimal dynamic response for the SIMO Buck converter, this paper first establishes a corre...

Comprehensive evaluation of DC-DC converters based on analytic hierarchy process and entropy method
ZHANG Yang, QIU Dongyuan, ZHANG Bo, CHEN Yanfeng
2025, 51(5): 1469-1479. doi: 10.13700/j.bh.1001-5965.2023.0291
Abstract:

In order to compare and optimize a series of DC-DC converters with similar topological structures and functions, a comprehensive topology evaluation method based on the analytic hierarchy process and entropy method is proposed. A hierarchical evaluation index system is created by compiling the commo...

Design method for modulation strategy of a single-inductor multi-port converter based on reinforcement learning
BAI Jingbo, CHEN Yu, XIE Shiyu, DAI Xinwei
2025, 51(5): 1480-1489. doi: 10.13700/j.bh.1001-5965.2023.0302
Abstract:

Single-inductor multi-port (SIMP) converters have great application potential due to their “more silicon less magnetic” feature. However, there are so many switching modes of SIMP converters that the modulation strategy design is complicated. At present, the design of the modulation strategy is main...

Thesis Section
Advances in prognosis and health management technologies of lithium-ion batteries
YANG Shichun, WANG Xiao, CHEN Fei, ZHENG Yifan, ZHONG Yilin, ZHOU Sida
2025, 51(5): 1490-1502. doi: 10.13700/j.bh.1001-5965.2023.0296
Abstract:

The prognosis and health management (PHM) technology of lithium-ion batteries helps reduce the probability of failure and improve the service time by analyzing current reliability and formulating a comprehensive control strategy. Analysis and forecasting of battery failure are key components of batt...

Significant wave height retrieval model of CYGNSS based on multivariate machine learning
ZHANG Yun, XIAO Sheng, JIANG Lifei, MENG Wanting, YANG Shuhu, HAN Yanling
2025, 51(5): 1503-1513. doi: 10.13700/j.bh.1001-5965.2023.0265
Abstract:

The cyclone global navigation satellite system (CYGNSS) provides high-quality global navigation satellite system reflectometry (GNSS-R) data that can be reliably used for the retrieval of significant wave height (SWH). Due to the high dynamic nature of CYGNSS, the received signal is easily affected ...

U-shaped semantic segmentation network of high-resolution remote sensing images embedded with self-attention mechanism
YANG Jun, ZHANG Jinying
2025, 51(5): 1514-1527. doi: 10.13700/j.bh.1001-5965.2023.0269
Abstract:

To reduce the difficulty of extracting small object features from high-resolution remote sensing images, a dual-encoder feature fusion network model based on convolution structure and self-attention mechanism was proposed, which was suitable for semantic segmentation of high-resolution remote sensin...

Imputation algorithm for flight ground support data based on graph neural network
XING Zhiwei, SUN Ke, LUO Qian, LIU Chang, ZHANG Tao, QIAO Di
2025, 51(5): 1528-1538. doi: 10.13700/j.bh.1001-5965.2023.0300
Abstract:

A data imputation algorithm based on a graph neural network is proposed to address the issue of missing flight ground support data. Firstly, to reduce the impact of noise in the original data on training denoising autoencoder is applied to enhance the reliability of feature extraction. Secondly, a g...

Design and verification of high-precision dynamic temperature control system
HAN Xiao, ZHOU Ying, HUANG Hai, SHAO Jingyi
2025, 51(5): 1539-1547. doi: 10.13700/j.bh.1001-5965.2023.0297
Abstract:

A high-precision dynamic temperature control system is proposed, developed, and tested with the goal of addressing the issue that the existing ground temperature environment simulation equipment finds it challenging to realize the temperature deviation test of scientific loads with extremely high te...

Influence of vibration on cyclic and thermal runaway characteristics of lithium ion batteries
ZHANG Qingsong, LI Dongqi, YANG Juan
2025, 51(5): 1548-1556. doi: 10.13700/j.bh.1001-5965.2023.0267
Abstract:

By analyzing the impact of mechanical vibration on the safety of lithium ion batteries in various application scenarios, such as transportation and aerospace, the 18650 battery was used as a sample, and the.influence of vibration conditions on the internal structure, cyclic aging mechanism, electric...

Dynamic prediction of flight ground service based on cascade
TANG Xiaowei, DING Ye, WU Zhenglong, ZHANG Shengrun, WU Jiaqi, YE Mengfan
2025, 51(5): 1557-1565. doi: 10.13700/j.bh.1001-5965.2023.0304
Abstract:

Accurate prediction of flight ground service is the key to achieving fine flight management and improving management efficiency of the airport collaborative decision making (A-CDM) system. Therefore, a multi-node dynamic prediction method for flight ground service based on a cascaded multi-output gr...

UAV tracking algorithm based on feature fusion and block attention
LIU Fang, YANG Yuyan, WANG Xin
2025, 51(5): 1566-1578. doi: 10.13700/j.bh.1001-5965.2023.0281
Abstract:

Unmanned aerial vehicle (UAV) has been widely used in various fields, target tracking is one of the key technologies of UAV applications. A UAV tracking algorithm based on feature fusion and segmented attention is proposed to solve the problems of UAV appearance changes and external interference whe...

Critical aircraft identification method based on temporal network
WANG Hongyong, MA Lishu, XU Ping
2025, 51(5): 1579-1590. doi: 10.13700/j.bh.1001-5965.2023.0259
Abstract:

In view of the problem of critical aircraft identification in air traffic situations, the existing research fails to fully consider the spatiotemporal effect in actual air traffic operation. Therefore, a method of critical aircraft identification based on a temporal network was proposed. Based on th...

Angular momentum envelope analysis method of gimbal-type momentum exchange device
WANG Weijie, WANG Zhou, PANG Weikun, YANG Yang
2025, 51(5): 1591-1598. doi: 10.13700/j.bh.1001-5965.2023.0268
Abstract:

To improve the angular momentum envelope analysis efficiency of typical gimbal-type momentum exchange devices such as single-gimbal control moment gyroscope (SGCMG), double-gimbal momentum wheel (DGMW), and magnetically suspended control and sensing gyroscope (MSCSG), a gimbal equivalent-based angul...

Bayesian identification test design of missile damage effectiveness based on multiple damage grades standards
CHEN Tong, LIU Haobang, HU Tao
2025, 51(5): 1599-1607. doi: 10.13700/j.bh.1001-5965.2023.0282
Abstract:

Qualified missile damage effectiveness is an important guarantee to give full play to combat effectiveness. The damage effectiveness identification test research is especially important to determine whether the missile damage effectiveness is up to par. In view of the limitations of the existing dam...

Track obscured vehicles by fusing full-scale features with trajectory correction
GUO Junfeng, ZHANG Zihua
2025, 51(5): 1608-1619. doi: 10.13700/j.bh.1001-5965.2023.0288
Abstract:

An occluded vehicle tracking method that fuses full-scale features with trajectory correction based on the Deep SORT algorithm is proposed to improve the tracking drift and identity switching (IDS) problems caused by occlusion in vehicle tracking. First, a full-scale feature extraction network is in...

Simulation of parallel separation characteristics using NNW-FlowStar software
ZHANG Peihong, ZHOU Guiyu, SHEN Yingying, TANG Jing, ZHAO Wei, JIA Hongyin
2025, 51(5): 1620-1628. doi: 10.13700/j.bh.1001-5965.2023.0275
Abstract:

During the parallel separation process of two stages to orbit (TSTO) vehicles, there are multiple reflections of shock waves between the first and second stage vehicles. The complex flow has a great impact on the pressure distribution, torque characteristics and flight attitude of the vehicles, and ...

An efficient cluster data synchronization scheme based on the Gossip protocol
ZHANG Honghai, CUI Binhao, LI Yiming, TIAN Feng, JIA Yongqiang, XIAO Aosan
2025, 51(5): 1629-1636. doi: 10.13700/j.bh.1001-5965.2024.0750
Abstract:

With the rapid development of the civil aviation ticket fare search system business, the internal network traffic scale of the search system cluster continues to grow. Under high-load network traffic, a cluster data synchronization scheme based on the Gossip protocol was developed. This solution is ...

Research on dynamic characteristics of distributed multi-rotor/tilting wing aeroelastic coupling
CHENG Yi, ZHAO Jinrui, HUANG Shuilin, YU Zhihao, DENG Xudong
2025, 51(5): 1637-1650. doi: 10.13700/j.bh.1001-5965.2023.0253
Abstract:

Based on the quasi-linear implicit aeroelastic modeling method, a coupled flexible multibody dynamics model suitable for distributed multi-rotor/tilting wing aircraft was established, and its aeroelastic coupling dynamics characteristics were studied. Based on the moderately deformed beam model and ...

Equipment interference and correction method in dynamic pressure field verification of low-speed wind tunnel
LIU Jiangtao, GONG Xiaoquan, ZHOU Naichun, LI Ming, ZHANG Yaobing
2025, 51(5): 1651-1661. doi: 10.13700/j.bh.1001-5965.2023.0310
Abstract:

As one of the quality indexes of the wind tunnel flow field, the dynamic pressure field of the wind tunnel directly affects the accuracy of experiment results, and the dynamic pressure field needs to be checked regularly. Dynamic pressure field verification equipment includes a five-hole probe, pipe...

Optimization of multilayer thermal insulation structure for high-speed aircraft considering material optimization
HAO Dong, LIU Jianxia, SU Jie, HE Yuanyuan
2025, 51(5): 1662-1672. doi: 10.13700/j.bh.1001-5965.2023.0261
Abstract:

Thermal insulation structure is the key factor to ensure high-speed aircraft work safely and complete various tasks. The multilayer thermal insulation structure has attracted much attention because of its light weight and excellent thermal insulation effect. The performance of the multilayer thermal...

Spherical envelope capture control for dual-arm space robots
XIA Xinhui, JIA Yinghong, ZHANG Jun
2025, 51(5): 1673-1683. doi: 10.13700/j.bh.1001-5965.2023.0258
Abstract:

In view of the object capture and control problem of a dual-arm space robot, a new spherical cage-based scheme for dual arms to capture moving objects was designed. Firstly, in order to avoid pushing away from the object when captured by the manipulator, a structure with a spherical cage of dual arm...

Design and experiment of adjustable Venturi tube for stepless automatic tank pressurization
REN Jialin, GUO Hongjie, LI Wenxin, LIANG Guozhu, ZHAO Sheng
2025, 51(5): 1684-1693. doi: 10.13700/j.bh.1001-5965.2023.0260
Abstract:

The stable control of tank pressure is crucial in the pressurization system of spacecraft tanks. In this paper, an adjustable Venturi tube based on a special conical pintle was designed, which could maintain a good linear correspondence between the pintle displacement and the flow rate, thereby impr...

In-orbit operation characteristics of BDS-3 spaceborne atomic clocks
WANG Wenbin, TANG Chengpan, YANG Jianhua, HU Xiaogong, CAO Yueling, ZHOU Shanshi
2025, 51(5): 1694-1704. doi: 10.13700/j.bh.1001-5965.2023.0266
Abstract:

In order to evaluate in-orbit operation characteristics of BeiDou-3 Navigation Satellite System (BDS-3) spaceborne atomic clocks, the broadcast clock offset parameters and precise clock offset data released by the International GNSS Service (IGS) Analysis Center were used to analyze the satellite’s ...

Self-supervised image change detection method based on lightweight capsule network
ZHANG Yitian, LUO Xiling, WANG Yupeng
2025, 51(5): 1705-1715. doi: 10.13700/j.bh.1001-5965.2023.0251
Abstract:

In response to the significant impact of speckle noise on the detection accuracy of synthetic aperture radar (SAR) image changes, the high network model complexity of existing capsule network-based image change detection methods, and the loss of a large amount of original image information in traini...

VMD-HPCA-GRU ultra-short-term wind power prediction based on COOT algorithm
HE Xingyue, YANG Jing, ZHU Zhaoqiang, YANG Bin, QIN Tao
2025, 51(5): 1716-1725. doi: 10.13700/j.bh.1001-5965.2023.0255
Abstract:

In order to improve the prediction accuracy of ultra-short-term wind power, a combined prediction model based on variational modal decomposition (VMD), hierarchical principal component analysis (HPCA), and gated recurrent unit (GRU) neural network optimized by COOT algorithm was proposed. Firstly, t...

Simulation analysis and experimental study on stiffness and fatigue life fluctuation of leaf spring rubber bearings
JI Na, LIU Juan, WANG Haoran, GAO Rui, LU Yonglai, LI Fanzhu
2025, 51(5): 1726-1734. doi: 10.13700/j.bh.1001-5965.2023.0263
Abstract:

The leaf spring rubber bearings are important load-bearing and vibration-absorbing components in heavy trucks and often suffer from short fatigue life and poor durability under cyclic loading conditions. This work took the leaf spring rubber bearing as the research object, calculated its vertical st...

Model design and aerodynamic characteristic analysis of variable-amplitude flapping wing aircraft
LIANG Jinze, PAN Tianyu, ZHENG Mengzong, PENG Liansong, CAO Mengda
2025, 51(5): 1735-1746. doi: 10.13700/j.bh.1001-5965.2023.0271
Abstract:

At present, micro air vehicles (MAVs) are being popularized in both military and civilian fields and are playing an increasingly important role. The flapping wing organism shows its advantages of high aerodynamic efficiency, quick action, and stable hover during flight. In this paper, by studying fl...

Re-entry trajectory planning for hypersonic morphing vehicles using penalty sequence convex programming
WANG Yangjie, LONG Teng, LI Junzhi, XU Guangtong, SUN Jingliang
2025, 51(5): 1747-1759. doi: 10.13700/j.bh.1001-5965.2023.0283
Abstract:

To realize continuous leapfrog upgrades of the hypersonic vehicle from single-point optimal fixed configuration to full envelope optimal of morphing configuration, a quasi-wave rider profile and composite deformation scheme morphing wingspan and sweep are designed. On this basis, to reduce the compu...

Online trajectory optimization method for vertical landing phase of reusable launch vehicle
SHI Qi, QI Ruiyun, SHE Yuchen, HU Cunming
2025, 51(5): 1760-1769. doi: 10.13700/j.bh.1001-5965.2023.0299
Abstract:

In order to overcome the difficulties of ambiguous initial circumstances, intricate process constraints, and strict terminal restrictions in the guidance of reusable launch vehicles, this work suggests an online trajectory optimization technique that combines convex optimization and fourth-order pol...

Dynamics and decoupling control method of double radial Lorentz force magnetic bearings
LI Zongyu, WANG Weijie, WANG Lifen, REN Yuan, FAN Yahong, LI Lei
2025, 51(5): 1770-1780. doi: 10.13700/j.bh.1001-5965.2023.0262
Abstract:

In order to achieve rapid response and vibration suppression of high-precision magnetic levitation turntable and ensure high-precision decoupling control of Lorentz force magnetic levitation omnidirectional stable platform, the working principle of radial Lorentz force magnetic bearings (RLFMBs) was...

Dual-dimensional partition localization algorithm under AP virtual location perception
ZHANG Yang, QIN Ningning
2025, 51(5): 1781-1792. doi: 10.13700/j.bh.1001-5965.2023.0274
Abstract:

To balance the efficiency and cost of offline database construction, as well as the efficiency and accuracy of online matching and localization in WiFi fingerprint localization, this paper proposed a dual-dimensional partition localization (DDPL) algorithm based on wireless access point (AP) virtual...