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   Science & Technology Review
2018, Vol.36, No. 24
28 December 2018

Exclusive: System of Systems Engineering 2
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Science & Technology Review. 2018, 36 (24): 0-0.
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Science & Technology Review. 2018, 36 (24): 1-1.
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Exclusive: System of Systems Engineering 2

Exploration and practice of SoS experiment engineering

YANG Jingyu
Science & Technology Review. 2018, 36 (24): 6-12. ;  doi: 10.3981/j.issn.1000-7857.2018.24.001
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As a "system of systems (SoS)" and "network of networks", SoS is a typical multi-network and cross-domain linkage complex system, involving physical, cyber, cognition and even social domains. SoS experiments are the ways and methods to solve the SoS engineering research problem. Firstly, the SoS' thinking concepts such as wholly thinking, connected thinking, relicense thinking, and gaming thinking are identified in this paper. Secondly, the basic experimental methods such as big data analysis, model assistance, action simulation, and war gaming are summarized. Thirdly, four key issues are put forward which need more attention, namely "multi-focus experimental framework for human-machine synergy", "multi-domain network communication system of systems experimental background", "dynamic real-time monitoring of system of systems capability indicators", and "baseline experimental for multidimensional comparison evaluation". Finally, the possible future development direction of SoS experimental engineering is discussed.

The evolution model of surface ship formation system based on hypernetwork

GANG Jianxun, YE Xiongbing, ZHANG Ying
Science & Technology Review. 2018, 36 (24): 13-25. ;  doi: 10.3981/j.issn.1000-7857.2018.24.002
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System dynamic evolution is a cognitive foundation of structure optimization and effectiveness evaluation for formation system of systems (SoS). In view of entity heterogeneity of the formation, coupling of the system, and emergence of combat SoS, the paper firstly summarizes the evolution characteristics of surface ship formation. The evolution features are summarized from four aspects:information drive, function emergence, structural time change and overall correlation. Secondly, the elements of formation SoS are abstractly analyzed. The battle of surface ship formation is divided into two stages, prewar growth and war confrontation, for architecture abstraction. Thirdly, a hypernetwork model of formation SoS is established, and the conceptual model and structure model of the hypernetwork are established from different perspectives. Lastly, task driven progressive evolution modeling and information driven radical evolution modeling based on hypernetwork are proposed. The evolution model is given calculation method of formation SoS. According to calculation example of formation combat, the evolution model can effectively describe the process of formation SoS combat dynamically and provide strong support for formation structure optimization and effectiveness evaluation.

Evolving deep neural network based multi-uav cooperative passive location with dynamic route planning

YANG Junling, ZHOU Yu, WANG Weijia, LI Xiangyang
Science & Technology Review. 2018, 36 (24): 26-32. ;  doi: 10.3981/j.issn.1000-7857.2018.24.003
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Aiming at the path planning problem of multiple unmanned aerial vehicles (UAVs) in passive localization, an unmanned aerial vehicle dynamic path planning method based on evolutionary depth neural network is proposed. Firstly, this method combines the differential evolution algorithm and BP neural network, and designs a learning path planning framework for UAV passive location based on evolutionary neural network. Then, angle of arrival (AOA) localization is used for the multiple UAVs, and an optimal training set is generated based on the Cramer-Rao low bound (CRLB) of target estimation. The optimized waypoints can be acquired from the learning behavior of the relative deployment between UAVs and target. Experimental results show that the unmanned aerial vehicle (UAV) based on the evolutionary neural network can greatly improve real-time performance and decrease location time.

Study on evaluation of networking information-centric system of system survivability in wartime

NIU Zhiyi, WANG Ruihua
Science & Technology Review. 2018, 36 (24): 33-36. ;  doi: 10.3981/j.issn.1000-7857.2018.24.004
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On the basis of the situation faced by the networking information-centric system in actual combat environment, this paper studies the criteria for classifying fire strike, network attack intensity, and the indicator system and method for evaluating the system survivability of networking information-centric system in wartime. The evaluation framework of survivability in wartime has two levels, namely node and system, and provides service situation as the result of the evaluation. This work may guidethe system survivability evaluation research of networking information-centric system towards more meaningful results.

Research on operational experiment method based on SoS engineering theory

SONG Zhiming, ZHANG Guozhong
Science & Technology Review. 2018, 36 (24): 37-43. ;  doi: 10.3981/j.issn.1000-7857.2018.24.005
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The generation and development of operational experiment are briefly introduced, and the SoS engineering attribute of operational experiment is demonstrated. The necessity and urgency of research on operational experiment at present are analyzed. V ++ model of SoS engineering is introduced, and a kind of model connotation is proposed from the operational experiment point of view. Then a set of research and development methods is defined according to the theory. The experimental stages are divided and the technology and method at each stage are proposed. The corresponding key technologies are analyzed and respective solutions are given, such as requirement mining technology, MBSE method, platform construction and so on. This paper also prospects the future work and the development trend.

Evaluation method of equipment system contribution based on envelope analysis

LIU Tonglin, TU Zhenbiao, ZHANG Hu, LÜ Yuanjian
Science & Technology Review. 2018, 36 (24): 44-47. ;  doi: 10.3981/j.issn.1000-7857.2018.24.006
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The evaluation of the equipment system contribution can provide effective theoretical support for equipment development demonstration, combat test development and operational use guarantee. This paper mainly analyzes the conceptual connotation of the contribution degree of weapon equipment system, summarizes the existing methods of equipment system evaluation, constructs an evaluation index system of weapon equipment system contribution, and gives the contribution of weapon equipment system based on envelope analysis method. Degree evaluation models and steps, case evaluation and verification analysis are given, respecitvely. The research work has verified the feasibility and effectiveness of the mathematical model, as well as provides strong theoretical support for decision makers to make choice of equipment.

Development and application of AUV in ocean environment monitoring

HE Xiying, MAO Liuwei, CHEN Qingyuan, ZHANG Weiwei
Science & Technology Review. 2018, 36 (24): 48-52. ;  doi: 10.3981/j.issn.1000-7857.2018.24.007
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Autonomous underwater vehicle (AUV) is a kind of new ocean environment monitoring platform which can be used to monitor large area ocean environment for a long time. The current research and development of AUV at home and abroad are reviewed. The current situation of AUV in ocean environment monitoring is addressed. The future main application of AUV in ocean monitor is also predicted.

Performance evaluation for cooperative anti-submarrine based on error estimation of entire channel

GUO Limin, QIU Xingye
Science & Technology Review. 2018, 36 (24): 53-60. ;  doi: 10.3981/j.issn.1000-7857.2018.24.008
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This paper briefly introduces the necessity of warship formation cooperative antisubmarine. It then discusses the rocketassisted torpedo hit probability by entire channel error estimation in a classical warship formation cooperative antisubmarine scenario. Finally, it presents a new method to effectively improve the rocket-assisted torpedo hit probability for the process of warship formation cooperative antisubmarine by means of different selections of parameters.

Algorithm of carrier aviation operational plan dynamic adjustment based on network graph technology

CHEN Xinwei, LI Zheng, WANG Jifeng
Science & Technology Review. 2018, 36 (24): 61-65. ;  doi: 10.3981/j.issn.1000-7857.2018.24.009
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This paper proposes an algorithm for dynamic adjustment of carrier aviation operational plan based on network graph technology. It can assist the operators to rapidly adjust the air force operational plan by using the methods for adjusting time, increasing tasks, modifying and cancelling tasks. The algorithm in this paper has import significance in intellectualization and automation of air force operational command.

Analysis of airport support command and dispatch capability

CUI Shanshan, WANG Minghui, ZHANG Xiaojie
Science & Technology Review. 2018, 36 (24): 66-72. ;  doi: 10.3981/j.issn.1000-7857.2018.24.010
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This paper refers to the constraints of various resources and processes by which the airport support command and dispatch model guarantees multiple aircraft simultaneously. The paper assumes that the mathematical model of airport security command and dispatch is determined. The complexity of the algorithm is systematically analyzed, and based on the heuristic rules, an corresponding algorithm for the optimization problem is designed. The effectiveness of the algorithm is verified by an example, which shows its important role in guiding airport optimization.

Algorithm for aircraft cluster scheduling in limited space area

SU Jian, HUANG Baiqiao, ZHANG Pengyi
Science & Technology Review. 2018, 36 (24): 73-78. ;  doi: 10.3981/j.issn.1000-7857.2018.24.011
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For the aircraft cluster scheduling problem in a limited space, the paper models the overall operation process first, then converts the model to a typical scheduling model, for which heuristic rules and an optimization algorithm are presented. The algorithm is divided into upper and lower levels. The upper layer is responsible for selecting parking space and take-off position in the limited area. The lower layer is responsible for the scheduling work of each single aircraft and returns the scheduling result to the upper layer, which adaptively adjusts the result accordingly. Then, the lower layer algorithm is recalled to verify whether the adjustments of stand and takeoff position can improve the quality of the solution. The result of the scheduling scheme is demonstrated. Compared withmanual arrangement, the method is more advantageous in both solving-time and solution quality. This method is of great significance to improve the efficiency of aircraft sorties.

Research on dynamic calibration of shipboard electronic countermeasures

LIU Xu, ZHANG Xiaoling, WU Yongbin, CAO Wenhai
Science & Technology Review. 2018, 36 (24): 79-84. ;  doi: 10.3981/j.issn.1000-7857.2018.24.012
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To deal with the limitations of traditional calibration approaches to shipboard electronic countermeasure, a dynamic calibration method for carrier-borne electronic countermeasure system is put forward. The compositions and functions of the dynamic calibration system are presented in detail.. The applied UAV system and the signal source are analyzed and explained, and their specific requirements are put forward. The UAV dynamic calibration principle and calibration process of the radar signal source are introduced as well. Finally, feasibility and effectiveness of the dynamic calibration of shipboard electronic countermeasure are verified by calculation and measurement.

Research and implementation on authority management system based on ship application

YANG Yangong, XU Xiliang, WANG Yue, TAN Xiao, GUAN Wenyuan
Science & Technology Review. 2018, 36 (24): 85-88. ;  doi: 10.3981/j.issn.1000-7857.2018.24.013
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The authority management system is an important module in the ship management system, and plays a crucial role in the system. The ship system is studied and analyzed at first. On this basis, the authority configuration management function model is then analyzed. This paper also discusses the key technology of authority realization., and studies and implementes Finally, a kind of authority configuration management system for ship system is studied and implemented, which has a positive impact on promoting the construction innovation and improvement of ship system authority management in China.

Science & Technology Review. 2018, 36 (24): 89-100.
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