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2023 China Automation Congress, CAC 2023

作者： Xin, Ying Ni, Hao Huang, Zihao He, Yongning Xia, Sigang Shanghai Aerospace Control Technology Institute Intelligent Flight Control Technology Research and Development Center Shanghai China Shanghai Institute of Mechanical and Electrical Engineering Electrical System Laboratory Shanghai China

ISBN: (纸本)9798350303759

In this paper, the anti-disturbance formation flight control of quadrotor UAVs system is realized based on terminal sliding mode control. The generalized error state is designed for each quad-rotor UA V, based on which the formation control target is proposed. In order to achieve the goal of anti-disturbance formation control, a formation controller based on terminal sliding mode control is designed. Finally, the general error states of all quadrotor UAVs converge to zero to achieve the desired formation. Finally, a simulation example is given to verify the effectiveness of the proposed algorithm. © 2023 IEEE.

关键词： Multi agent systems

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Super-resolution DOA estimation for correlated off-grid signals via deep estimator

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Journal of systems Engineering and Electronics 2022年第6期33卷 1096-1107页

作者： WU Shuang YUAN Ye ZHANG Weike YUAN Naichang Facility Design and Instrumentation Institute China Aerodynamics Research and Development CenterMianyang 621000China State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System National University of Defense TechnologyChangsha 410073China

This paper develops a deep estimator framework of deep convolution networks(DCNs)for super-resolution direction of arrival(DOA)*** addition to the scenario of correlated signals,the quantization errors of the DCN are the major *** our deep estimator framework,one DCN is used for spectrum estimation with quantization errors,and the remaining two DCNs are used to estimate quantization *** propose training our estimator using the spatial sampled covariance matrix directly as our deep estimator’s input without any feature extraction ***,we reconstruct the original spatial spectrum from the spectrum estimate and quantization errors ***,the feasibility of the proposed deep estimator is analyzed in detail in this *** the deep estimator is appropriately trained,it can recover the correlated signals’spatial spectrum fast and *** results show that our estimator performs well in both resolution and estimation error compared with the state-of-the-art algorithms.

关键词： off-grid direction of arrival(DOA)estimation deep convolution network(DCN) correlated signal quantization error super-resolution

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Anomaly Score for Multiple Operating Modes of Rotating Machines by Using Conditional Variational Auto-Encoder 19

Anomaly Score for Multiple Operating Modes of Rotating Machi...

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19th IMEKO TC10 Conference on MACRO meets NANO in Measurement for Diagnostics, Optimization and Control

作者： Hiranaka, Yukio Tsujino, Koichi Katsumura, Hidenori Nakagawa, Masashi AiSpirits Inc. Tokyo Japan Hiranaka Technology Research Susono Japan Device & System Platform Development Center Co. Ltd. Kawasaki Japan

ISBN: (纸本)9781713884125

Human Experts may diagnose the state of a rotating machine by listening to its vibration sounds. Variational Auto-encoder (VAE) is an alternative method to realize the diagnosis by AI learning. Previous studies have shown that when the normal state can be assumed to be a single Gaussian distribution, anomaly scores can be calculated as deviations from the center of the distribution in the VAE latent space. However, when the normal state consists of different modes corresponding to operating conditions, the calculation may not be a simple task. As a way to solve this problem, the use of Conditional Variational Auto-encoder (CVAE) which performs VAE learning including operating conditions, seems promising. In this study, we show verification results that the anomaly score based on the normalized Euclidian distance in the CVAE latent space can detect anomalous conditions using synthesized data and real acceleration measurement data with rotation speed changes. © 2023 19th IMEKO TC10 Conference "MACRO meets NANO in Measurement for Diagnostics, Optimization and Control".

关键词： Bearing Anomaly Detection Condition Based Maintenance Conditional Variational Auto-encoder Industry Innovation Infrastructure

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Shipping Label Generation based on VGG19 Network 2

Shipping Label Generation based on VGG19 Network

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2nd International Conference on Advanced Manufacturing technology and Manufacturing systems, ICAMTMS 2023

作者： Wang, Haifeng Wu, Tong Yang, Kun Xiong, Yong Center for Advanced Metering Infrastructure National Institute of Metrology Beijing China Intelligent System Research and Development Laboratory Wayzim Technology Co. Ltd Wuxi China

ISBN: (纸本)9781510667327

Shipping labels are an important component of logistics. It includes all the vital information to have packages successfully delivered. During the packaging and delivery processes, the shipping labels can be damaged, which poses a challenge to the effectiveness of the sorting machine. In this paper, a shipping label generation model based on VGG19 network is proposed. Our model first splits the images into shipping labels and then extracts the features of unreadable ones, finally different types of shipping labels applied such features are generated. To evaluate the performance of our model, we conduct experiments on the sorting machine using the generated 7,500 labels by the model. The results show that the generated labels can evaluate the sorting machine effectively, which demonstrates the encouraging performance of our model. © 2023 SPIE.

关键词： Deep learning

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research and Implementation of Model Engineering Environment Integration Based on OpenMBEE 21st

Research and Implementation of Model Engineering Environment...

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21st Asia simulation Conference, AsiaSim 2022

作者： Xue, Junjie Zhou, Junhua Shi, Guoqiang Feng, Chaoqun Xu, Lin Liu, Penghua Quan, Hongyan Engineering Research Center Beijing Simulation Center Beijing100854 China State Key Laboratory of Intelligent Manufacturing System Technology Beijing Institute of Electronic System Engineering Beijing100854 China Science and Technology on Space System Simulation Laboratory Beijing Simulation Center Beijing100854 China Yunnan Chensheng Tendering Consulting Co. Ltd. Kuming650102 China School of Computer Science and Technology East China Normal University Shanghai200062 China

ISBN: (纸本)9789811991974

Aiming at the problem of integrating open tools in a user development environment in complex product design, an integration strategy of model engineering environment based on OpenMBEE is studied. It is based on the technologies of user identity unified authentication and user interaction data collaboration. Specifically, in the solution of unified identity authentication on cross-platform, the extended controller method is provided based on the message queue information flow mechanism. Then, the separation of business logic, data information, and interactive view of user unified authentication are realized, on the basis, that the function of unified identity authentication is realized by using the Software development Kit (SDK) of OpenMBEE. Besides, in the study of user interaction data collaboration technology, three-layer collaboration mechanisms are proposed, they are the presentation layer collaboration, the business layer collaboration, and the persistence layer collaboration. When the jQuery programming framework is integrated into the bootstrap front-end framework, combing with the OpenMBEE back-end server interface, the collaboration of user interaction data is realized. Through experiments and project practice analysis, the user unified authentication strategy and user interactive collaboration strategy are tested respectively for proving the effectiveness and feasibility of the proposed method. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Authentication

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A low complexity JPEG coding system 4

A low complexity JPEG coding system

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4th International Conference on Neural Networks, Information and Communication Engineering, NNICE 2024

作者： Zhang, Xing Zhang, Xiaoqiang Zheng, Xinxing Xu, Mingyu Anhui Polytechnic University School of Integrated Circuit Wuhu China Anhui Automotive Display Integrated System Engineering Research Center Wuhu China School of Information and Artificial Intelligence Wuhu Institute of Technology Wuhu China Wuhu Automot. Intelligent Product Development and Application Engineering Technology Research Center Wuhu China

ISBN: (纸本)9798350394375

In the field of image compression, the traditional JPEG encoding uses a lot of multiplication operations in the discrete cosine transform and quantization. In order to reduce the computational complexity and meet the real-time requirements of the system, a low-complexity 8∗8 orthogonal transformation matrix is proposed for low-bit-rate image compression, which only contains 0 and 1, without multiplication and shift operations. In addition, an approximate quantization table is designed to replace the traditional quantization table, in which addition and multiplication are not required, only shift operations are required. The results show that the image quality obtained by approximate quantization is basically the same as that of standard quantization, and the proposed coding framework can also be implemented on FPGA. © 2024 IEEE.

关键词： Discrete cosine transforms

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Electrical Properties of CrSi Thin Film Resistors for High Precision Analog Circuits 10

Electrical Properties of CrSi Thin Film Resistors for High P...

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10th International Symposium on Next Generation Electronics, ISNE 2022

作者： Zhu, Jiajia Zhang, Zhili He, Nailong Zhang, Sen Gu, Lihui Zhang, Long CSMC Technologies Corporation Technology Development Department Wuxi China Southeast University The National Asic System Engineering Research Center School of Electronic Science and Engineering Nanjing China

ISBN: (纸本)9781665455251

CrSi thin films are deposited on SiO2 by reactive magnetron sputtering in a mixed atmosphere of argon and nitrogen, where nitrogen is the reactive gas, following by annealing in nitrogen and hydrogen at different temperatures. The effects of sputtering atmosphere (nitrogen flow rate) and annealing temperature on film structural and electrical properties of these films are investigated. It's found that nitrogen doping inhibits grains growth to a certain extent and the effects of nitrogen doping amount on the square resistance of annealed films are different. TCR (temperature coefficient of resistance), by adjusting the sputtering atmosphere and annealing temperature, can be effectively controlled within the original 10% range, that is, optimized from about ±20 ppm/ ? to ±2 ppm/ ?, indicating that resistors possess more excellent stability performance. This work probes the impact trend of key process parameters on square resistance and TCR in detail, which have important reference value for the development of high-precision resistors technology. © 2023 IEEE.

关键词： Silica

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research and Application of Residual Local Blueprint Separable Network for Lightweight Image Super-Resolution 6

Research and Application of Residual Local Blueprint Separab...

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6th International Conference on Computer Information Science and Application technology, CISAT 2023

作者： Zhang, Wenjiao Wu, Guoqiang Sun, Haohui Li, Wushen Ran, Yang China Aerospace Science and Technology Corporation Intelligent Unmanned System Overall Technology Research and Development Center Beijing100094 China Beijing Institute of Technology School of Mechatronical Engineering Beijing100081 China Beijing Research Institute of Telemetry Beijing100081 China

ISBN: (纸本)9781510668546

Deep learning based Single image super-resolution has achieved great success, but the computational cost is too high, making it unsuitable for real-time tasks on resource-constrained devices. In this paper, we propose Residual Local Blueprint Separable Network (RLBSN), which based on RLFN lightweight backbone network. The blueprint separable convolution was used to replace the traditional convolution, which can enhance the extraction of edge information, reduce the number of model parameters, and improve the running speed. The knowledge distillation concept is introduced to calculate loss function and the output of high-performance model is taken as ground-truth to improve the performance of the model. We design the joint loss function that combines the characteristics of various loss functions to generate high-quality super-resolution images. Inference time can be significantly accelerated by transferring post-processing to the GPU. © 2023 SPIE.

关键词： Distillation

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A Study on Power system Planning Method for Reliable and Economical Facility Formation

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IEEJ Transactions on Power and Energy 2022年第3期142卷 161-168页

作者： Okamoto, Yoshihisa Nishimura, Daiki Tada, Yasuyuki Center for Technology Innovation – Societal System Engineering Research & Development Group Hitachi Ltd. 292 Yoshida-cho Totsuka-ku Yokohama244-0817 Japan Center for Technology Innovation – Societal System Engineering Research & Development Group Hitachi Ltd. 7-1-1 Omika-cho Hitachi319-1292 Japan Control System Platform Division Services & Platforms Business Unit Hitachi Ltd. 6-27-18 Minamioi Shinagawa-ku Tokyo140-8572 Japan

In Japan, power transmission facilities which were introduced in the high economic growth period have degraded with age. Due to simultaneous lifetime of the facilities, it is concerned that reliability degradation of power system. On the other hand, electricity demand has decreased triggered by the Great East Japan Earthquake, and wheeling revenue of electricity transmission utilities has decreased in recent years. Therefore, highly reliable and economical facility planning is an important business issue of electricity transmission utilities. In this paper, we propose a facility planning method that models power system topology change according to environmental changes and makes feasible plans based on the state model. © 2022 The Institute of Electrical Engineers of Japan.

关键词： Reliability

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Transcriptomic analysis of Andrias davidianus meat and experimental validation for exploring its bioactive components as functional foods

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Food Science and Human Wellness 2024年第1期13卷 166-172页

作者： Changge Guan Zhenglin Tan Shucheng Li Yi Wang Naoyuki Yamamoto Chong Zhang Songjun Wang Junjie Chen Xinhui Xing Key Laboratory for Industrial Biocatalysis Ministry of Education of ChinaDepartment of Chemical EngineeringTsinghua UniversityBeijing 100084China School of Life Science and Technology Tokyo Institute of TechnologyYokohama 226-0026Japan Sensing System Research Center National Institute of Advanced Industrial Science and TechnologyTsukuba 305-8565Japan Center for Synthetic and Systems Biology Tsinghua UniversityBeijing 100084China Henan Giant Salamander Protection and Development Association Luoyang 471000China Intelligent Computing Research Center Harbin Institute of TechnologyShenzhen 518071China Institute of Biopharmaceutical and Health Engineering Tsinghua Shenzhen International Graduate SchoolShenzhen 518055China Institute of Biomedical Health Technology and Engineering Shenzhen Bay LaboratoryShenzhen 518067China

Andrias davidianus(Chinese giant salamander,CGS)is the largest and oldest extant amphibian species in the world and is a source of prospective functional food in ***,the progress of functional peptides mining was slow due to lack of reference genome and protein sequence *** this study,we illustrated full-length transcriptome sequencing to interpret the proteome of CGS meat and obtain 10703 coding DNA *** functional annotation and amino acid composition analysis,we have discovered various genes related to signal transduction,and 16 genes related to *** have also found vast variety of functional peptides through protein coding sequence(CDS)analysis by comparing the data obtained with the functional peptide ***-Pro-Ile predicted by the CDS analysis was released from the CGS meat through enzymatic hydrolysis,suggesting that our approach is *** study suggested that transcriptomic analysis can be used as a reference to guide polypeptide mining in CGS meat,thereby providing a powerful mining strategy for the bioresources with unknown genomic and proteomic sequences.

关键词： Chinese giant salamander Transcriptomic analysis Bioactive components Functional peptides mining

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