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Yongqi Liu, Guibing Hou, Baohua Wang, Yang Xu, Rui Tian, Tao Wang and Hui Qin
Flood control operation of cascade reservoirs is an important technology to reduce flood disasters and increase economic benefits. Flood forecast information can help reservoir managers make better use of flood resources and reduce flood risks. In this p...
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Yifan Wang, Jinglei Xu, Qihao Qin, Ruiqing Guan and Le Cai
In this study, we propose a novel dynamic mode decomposition (DMD) energy sorting criterion that works in conjunction with the conventional DMD amplitude-frequency sorting criterion on the high-dimensional schlieren dataset of the unsteady flow of a spik...
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Shangjie Gao, Qin Peng, Xingren Liu and Chunying Xu
To evaluate the effects of application of biochar and straw return for consecutive years on N2O emissions and crop yields in North China, a three-year field experiment of applying biochar and straw following a ten-year application was conducted in a whea...
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Dong Qin, Xu Geng, Zhao Jie and Hu Yaoyu
The traditional study on fatigue strength for ship structures usually focuses on high cycle fatigue and ignores low cycle fatigue. However, given the recent trend towards large-scale ship development, the stress and deformation experienced by ship struct...
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Zhenxin Zhang, Meng Zhang, Guoxi Li, Shilong Qin and Chunxiao Xu
The actuator, which generally consists of motors, electrical regulations, and propellers, is the key component of the quadrotor Unmanned Aerial Vehicle. During the operation of the UAV, actuators are prone to degrade performance and even cause serious fa...
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Shenghong Qin, Laixian Peng, Renhui Xu, Xianglin Wei, Xingchen Wei and Dan Jiang
Maintaining high system performance is critical for a multi-hop flying mesh network (FlyMesh) to perform missions in different environments. Although the Poisson point process (PPP) has been widely used for the performance analysis of FlyMesh, it still h...
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Linxi Xu, Kaiyu Qin, Fan Tang, Mengji Shi and Boxian Lin
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Yingying Ma, Minglang Xu, Xiaoran Qin, Ying Zeng and Lingyu Zeng
The urban road network is a large and complex system characterized by significant heterogeneity arising from different spatial structures and traffic demands. To facilitate effective management and control, it is necessary to partition the road network i...
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Rui Tang, Chengjin Qin, Mengmeng Zhao, Shuang Xu, Jianfeng Tao and Chengliang Liu
Due to factors such as uneven guide rails and airflow disturbance in the hoistway, high-speed elevators may experience significant vibrations during operation. This paper proposes an optimized fractional-order PID (FOPID) method to suppress vibrations of...
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Qingwen Xu, Hengxu Zhang, Yongji Cao, Hao Qin and Zhimin Gao
The transmission line parameters vary with the change of temperature, which has a significant impact on power system state estimation (SE). Based on the theory of electro-thermal coordination (ETC), this paper proposes two ETC-SE approaches with the cons...
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Zhiwen Xiao, Yong Qin, Zeshui Xu, Jurgita Antucheviciene and Edmundas Kazimieras Zavadskas
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Fuquan Deng, Shuangyi Qin, Na Liu and Wei Xu
The hydrophobic modification effect and an appropriate cost of waterborne polyurethane are regularly pursued targets of researchers. To further enhance the hydrophobic modification effect of the terminal fluoroalkyl group and control the cost, a fluorine...
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Ennan Zheng, Mengting Qin, Zhongxue Zhang and Tianyu Xu
Humic acid fertilizer (HA) incorporation is a common method for improving crop growth and soil fertility. However, the effects of HA incorporation on rice growth are still unknown. We conducted a two-year field experiment to determine the radiation use, ...
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Mengchuang Zhang, Shasha Xia, Xiaochuan Li, Qin Yao, Yang Xu and Zhiping Yin
Reliability-based design optimization (RBDO) has become a prevalent design for aeronautical and aerospace engineering. The main problem is that it is impractical in complex cases with multi-failure regions, especially in multi-objective optimization. The...
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Qin Dong, Mengyuan Rong and Geng Xu
The crack closure phenomenon significantly influences low cycle fatigue (LCF) crack growth. The crack closure theory deems that a crack can grow only when the applied load is greater than the fatigue crack opening and closing loads. The revised crack clo...
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Rui Sun, Gang Qin, Gaibian Li, Jinbao Hu, Jingqi Xiong and Huanwei Xu
In the nickel electrolysis industry, detection of the conductive state of copper rods is an important part of production procedure management, as abnormal conductive states of the copper rod result in a decline in the quality of the electrodeposited nick...
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Yao Xu and Qin Yu
Great achievements have been made in pedestrian detection through deep learning. For detectors based on deep learning, making better use of features has become the key to their detection effect. While current pedestrian detectors have made efforts in fea...
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Kaimeng Ding, Yueming Liu, Qin Xu and Fuqiang Lu
Data security technology is of great significance to the application of high resolution remote sensing image (HRRS) images. As an important data security technology, perceptual hash overcomes the shortcomings of cryptographic hashing that is not robust a...
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Chaoren Qin, Dongdong Wang, Zhi Xu and Gang Tang
Most of the current research on the diagnosis of rolling bearing faults is based on vibration signals. However, the location and number of sensors are often limited in some special cases. Thus, a small number of non-contact microphone sensors are a subop...
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Qin Tian, Yanhua Liao, Xu Xie and Hanqing Zhuge
Cyclic void growth model (CVGM) and continuum damage mechanics (CDM) model are suitable for predicting the damage of ultra-low-cycle fatigue (ULCF) theoretically. However, studies on the prediction of ultra-low-cycle fatigue (ULCF) damage is lacking. To ...
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