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Research on Fast Beam Alignment technology at Target Area Based on Swarm Collaboration Control Model

Research on Fast Beam Alignment Technology at Target Area Ba...

引用

2022 International Conference on computer engineering and Artificial Intelligence, ICCEAI 2022

作者： Xie, Xingquan Luo, Jun Cao, Zhike Zhou, Xiaowei Yun, Tianyou Li, Li Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665468039

ISBN: (纸本)9781665468039

In this paper, in order to reduce the total time for aligning all laser beam of an large-scale laser facility at target area, a fast convergence control mode of beam swarm alignment based on the swarm collaboration control mode was constructed, and a beam alignment fast convergence algorithm was designed on the basis of this model. According to the data which was collected at the facility site and running data in the 8-bundle serial alignment mode, the algorithm was simulated for 20 shots. The simulation results show that the algorithm can greatly reduce the average alignment time of 8 beams, from 233.7s to 162.2s, and the reduction rate is greater than 30%. The algorithm proposed in this paper has a certain reference for the design and engineering application of large-scale laser facility. © 2022 IEEE.

关键词： Alignment

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Privacy Data Synchronization Method Based on Election in Intranet 3

Privacy Data Synchronization Method Based on Election in Int...

引用

3rd International Conference on Big Data, Artificial Intelligence and Internet of Things engineering, ICBAIE 2022

作者： Han, Jun Deng, Kai Deng, Xiaolei Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665451604

ISBN: (纸本)9781665451604

Privacy data synchronization is an important prerequisite for efficient data utilization on the intranet. Aiming at the lack of effective node election model and information synchronization mechanism in the current enterprise intranet, a privacy data synchronization model based on election is proposed. Firstly, the service cluster is generated according to the service type, and the cluster head election model is established to fairly identify the services in the cluster. Secondly, a privacy data synchronization method based on the heartbeat mechanism is designed. By establishing a communication channel with the central master service, the organizational structure information of all services in the cluster can be synchronized. The method proposed in this paper can realize the synchronization of privacy data safely and efficiently, and can be applied to the enterprise intranet. © 2022 IEEE.

关键词： Synchronization

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Federal database system based on foreign data wrapper

Federal database system based on foreign data wrapper

引用

2022 International Conference on Frontiers of Communications, Information System and Data Science, CISDS 2022

作者： Wen, Yong Zhang, Hao Liu, Xihua Zhou, Yuanlin Gao, Wenjie Zhu, Xmglin China Academy of Engineering Physics Institute of Computer Application Mianyang China

ISBN: (纸本)9781665464468

Nowadays, the heterogeneity of databases and the diversity of systems lead to the independence of different systems and the inability to share data horizontally and vertically. It makes the data forming a data silo, between each system can only be stored in the local database. To eliminate the data isolation phenomenon between systems, because of the database heterogeneity caused by the difference of software, hardware and development mode. This paper realizes different Cross-domain connection and data exchange between system database, by building a federated database system through technologies such as PostgreSQL database extension, Foreign data wrapper and triggers. Through practical application verification, the results show that the federation database built by this paper can effectively realize the cross-domain connection and data exchange of heterogeneous databases, which effectively improves the data utilization value and productivity. © 2022 IEEE.

关键词： Electronic data interchange

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An Efficiency Evaluation Model of Reactor Safety Operation

An Efficiency Evaluation Model of Reactor Safety Operation

引用

2022 IEEE International Conference on Artificial Intelligence and computer applications, ICAICA 2022

作者： Fan, Huanhuan An, Baoran Wu, Huai Liu, Yunfei Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665499910

ISBN: (纸本)9781665499910

Reactor operation may cause casualties, economic losses, environmental pollution and other adverse aftereffects. In this paper, a reactor operation safety evaluation model is built by combining subjective and objective combination weighting, traditional ideal solution and grey relational grade phase structure. The new relative closeness degree is calculated by modelling and simulation technology to judge the advantages and disadvantages of different reactor schemes. Compared with the expert score of the reactor operation scheme, the evaluation model can effectively evaluate the operation scheme, so that the staff can complete the task in the shortest possible time with less cost on the premise of ensuring safety. © 2022 IEEE.

关键词： Losses

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Mothed and System of Visibility Analysis Based on Human Eye Imaging Process 5

Mothed and System of Visibility Analysis Based on Human Eye ...

引用

5th World Conference on Mechanical engineering and Intelligent Manufacturing, WCMEIM 2022

作者： Chen, Gang Chen, Chuan Ren, Qiang Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665473699

The human eye is the most important organ to perceive the external environment, and visibility analysis is the basis of ergonomic design and evaluation. The current mainstream visual simulation tools mainly focus on the qualitative analysis within the visual range, lacking the optical modeling process in the complex human-machine-environment system, and cannot reflect the visual features of the human eyes under different working conditions. According to the principle of the rendering pipeline of the current manifold graphics simulation engine, a human vision simulation method based on physical rendering theory is proposed. A real-time rendering engine is designed and implemented. Experiments are carried out on the components of the visual system (camera, lighting and materials), and the results are evaluated using a unified glare evaluation model. The experiments show that the proposed method is helpful to determine the appropriate position and posture of virtual human. Aiming at CATIA platform, CAA/C++technology is adopted to realize the visual analysis component, which further broadens the visibility analysis of CATIA. © 2022 IEEE.

关键词： Glare

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A Test Design and Coverage Measurement Method for Equipment Software System Testing 10

A Test Design and Coverage Measurement Method for Equipment ...

引用

10th IEEE Joint International Information technology and Artificial Intelligence Conference, ITAIC 2022

作者： Zhang, Jinkun Peng, Yanhong Yang, Hongqing Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665422079

ISBN: (纸本)9781665422079

System testing has been widely used as an effective method for testing and evaluating equipment software in the software product qualification stage. However, due to the lack of practical test design and coverage measurement methods, it is still difficult for testers to answer the question of test design adequacy and coverage of software quality requirements after implementing system testing. To this end, this paper studies various test design techniques and proposes a test design and coverage measurement method for equipment software system testing. This method uses a uniform process for test design for different software quality characteristics. It can measure the test design coverage of a single test item or overall software quality requirements. In this paper, we also perform a system test analysis of equipment software based on a software product quality model to identify test items, test types to be conducted, and test design techniques to be applied to provide consistent input and guidance for system test design. We apply our method in the system testing of typical equipment software. The results show that this method can conduct test design by a uniform process for different software quality requirements and facilitates the measurement of test design coverage. It has important theoretical significance and practical engineering value. © 2022 IEEE.

关键词： Software testing

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Outlier Detection Using Machine Learning Algorithms Integrated with Bayesian Optimization

Outlier Detection Using Machine Learning Algorithms Integrat...

引用

2022 International Conference on Algorithms, Data Mining, and Information technology, ADMIT 2022

作者： Liu, Xihua Ma, Tao Gao, Wenjie Zhu, Xinglin Wen, Yong Pan, Wenqiang Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (数字)9781665454728

ISBN: (纸本)9781665454728

This study aimed to discuss the performance of machine learning algorithms on the outlier detection problem and to investigate the effect of Bayesian Optimization Algorithm (BOA) on improving the performance of machine learning ***, Classification And Regression Tree (CART), Extreme Gradient Boosting (XGB), and Light Gradient Boosting Machine (LGBM) models were constructed. The models were trained using default parameters, and it was found that XGB and LSTM performed much better than CART. secondly, the best hyperparameters were searched using grid search, random search and Bayesian optimization, respectively, and the comparison revealed that BOA could search for the best hyperparameters in the shortest time, resulting in the maximum model performance. Finally, by analyzing the ROC and PRC curves of the three ML models tuned to the optimal hyperparameters using BOA, it is found that the combination of LSTM+BOA has the best detection effect on outlier points with an average precision of 0.911. Through the results of this study, it is confirmed that the machine learning model tuned with BOA can have a robust outlier detection capability, and the method can be applied to other method can be applied to other outlier detection problems, such as network intrusion detection. © 2022 IEEE.

关键词： Anomaly detection

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Research on Query Optimization Method Based on Dameng 5

Research on Query Optimization Method Based on Dameng

引用

5th IEEE Advanced Information Management, Communicates, Electronic and Automation Control Conference, IMCEC 2022

作者： Chen, Qi Ren, Ming Xia, Tao Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665479677

The optimization technology of database query performance is studied based on Dameng. Office OA applications are used as the test environment, and python scripts are used to batch insert large amounts of data. A large number of experiments have been carried out on the four technologies of data table index, select statement optimization, paging query and parallel query. The test tools developed on easyops platform and Google Chrome developer tools have been used to analyze the data of database response and page loading speed of the test results, respectively. With the two as parameters of the test results, the impact of the four technologies on the database query performance is discussed. The results show that appropriate data table index, optimization of '∗' and 'limit' in SQL query statements, ID limited paging query and parallel query technology can greatly improve the response speed of the database. © 2022 IEEE.

关键词： Database systems

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Research on Hierarchical Consensus Fault-tolerant Control Strategy for Large-scale Facilities 37

Research on Hierarchical Consensus Fault-tolerant Control St...

引用

37th Youth Academic Annual Conference of Chinese Association of Automation, YAC 2022

作者： An, Baoran Wu, Huai Zhou, Qinghe Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665465366

In the current major basic scientific fields, largescale experimental facilities play an important role. Due to the increasing number of control nodes, the strong interference conditions and network-induced communication constraints, it is easy to cause multiple faults that can reduce the control performance, and in the worst case it will lead to the instability of operation in the scientific experiment scene. To solve the problems of safe and stable operation, a hierarchical consensus fault-tolerant control strategy based on the networked multi-agent theory is proposed for large-scale complex control systems. Furthermore, a Large-scale control simulation platform for a large-scale laser facility is designed and implemented to verify the feasibility of the proposed method. © 2022 IEEE.

关键词： Multi agent systems

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The Research on Material Properties Database System Based on Network Sharing

The Research on Material Properties Database System Based on...

引用

2022 IEEE Conference on Telecommunications, Optics and computer Science, TOCS 2022

作者： Zheng, Cuifang Wu, Jiaju Kong, Linggang Kang, Shijia Cheng, Zheng Luo, Bin Institute of Computer Application China Academy of Engineering Physics Mianyang China

ISBN: (纸本)9781665470537

Based on the analysis of material performance data management requirements, a network-sharing scheme of material performance data is proposed. A material performance database system including material performance data collection, data query, data analysis, data visualization, data security management and control modules is designed to solve the problems of existing material performance database network sharing, data fusion and multidisciplinary support, and intelligent services Inadequate standardization and data security control. This paper adopts hierarchical access control strategy. After logging into the material performance database system, users can standardize the material performance data and store them to form a shared material performance database. The standardized material performance data of the database system shall be queried and shared under control according to the authority. Then, the database system compares and analyzes the material performance data obtained from controlled query sharing. Finally, the database system visualizes the shared results of controlled queries and the comparative analysis results obtained. The database system adopts the MVC architecture based on B/S (client/server) cross platform J2EE. The Third-party computing platforms are integrated in System. Users can easily use material performance data and related services through browsers and networks. MongoDB database is used for data storage, supporting distributed storage and efficient query. © 2022 IEEE.

关键词： Data acquisition

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