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   Science & Technology Review
2018, Vol.36, No. 20
28 October 2018

Foreword
Columns
Exclusive: System of Systems Engineering
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Science & Technology Review. 2018, 36 (20): 0-0.
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Abstract ( 18 )
Foreword

Science & Technology Review. 2018, 36 (20): 1-1.
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Abstract ( 45 )
Exclusive: System of Systems Engineering

Development process of Qian Xuesen's thought on systems engineering

ZHENG Xinhua, QU Xiaodong
Science & Technology Review. 2018, 36 (20): 6-9. ;  doi: 10.3981/j.issn.1000-7857.2018.20.001
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Abstract ( 13 )
Mr. Qian Xuesen is the founder of China's systems engineering theory. According to the experience of China's aerospace industry, he summed up the systems engineering methods with Chinese characteristics, and further developed the theories of system science architecture and meta-synthesis method, etc. By reviewing development process of Qian Xuesen's thought on systems engineering, we can not only understand his thought on systems engineering correctly, but also find out guide and methods for developing SOS engineering.

New development of systems engineering: System of systems

GU Jifa
Science & Technology Review. 2018, 36 (20): 10-19. ;  doi: 10.3981/j.issn.1000-7857.2018.20.002
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Abstract ( 10 )
This paper introduces the origin of system of systems (SoS) and system of systems engineering (SoSE), the meaning and characteristics of SoS and SoSE, SoSE process, effective architecture framework of SoS and research hotspots of SoSE.[JP2]From the perspective of systems science and systems engineering development history, the background and main contents of SoS and SoSE are described, different viewpoints in the research work are listed, and the current research hotspots are introduced, which can be referred for researchers in this field.

Theoretical framework of SoS vitality

ZHANG Hongjun, HUANG Baiqiao, JU Hongbin, QIU Bohua, ZHANG Peng
Science & Technology Review. 2018, 36 (20): 20-26. ;  doi: 10.3981/j.issn.1000-7857.2018.20.003
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Abstract ( 4 )
In this Paper, after systematic analysis on set of organic characteristics of organic system in nature, organic characteristics are integrated into the concept of systems of system vitality, and after combining artificial intelligence and its relevant information technology, a technical framework which makes the set of organic characteristics directed emergency in engineering technology SoS is proposed. The theoretical framework of SoS vitality provides theoretical guidance in improving system stability and availability, and promoting system ability on optimization and selective evolvability.

A new paradigm for architecture design of system of systems

ZHANG Weiming, LIU Junxian, CHEN Tao, LUO Aimin
Science & Technology Review. 2018, 36 (20): 27-31. ;  doi: 10.3981/j.issn.1000-7857.2018.20.004
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Abstract ( 3 )
Focused on the new problems of architecture design of system of systems (SoS), we analyzed the conception and characteristics of SoS architecture. By means of some new IT technologies such as AI and Big Data, we present a new paradigm of data and model driven architecture design of SoS. The difficulty problems and the challenges in studying and applying the new paradigm are discussed.

SoS and systems in engineering practice

HE Qiang, WANG Ying
Science & Technology Review. 2018, 36 (20): 32-37. ;  doi: 10.3981/j.issn.1000-7857.2018.20.005
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This paper introduces the concept and research progress of SoS, expounds the common type of SoS through example, and describes the difference between system and system from multiple dimensions. According to the practice summary, this paper puts forward the core definition criterion of system and SoS, and describes it in detail in combination with engineering practice.

Systems thinking and systems engineering in aerospace

GUO Baozhu
Science & Technology Review. 2018, 36 (20): 38-42. ;  doi: 10.3981/j.issn.1000-7857.2018.20.006
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Abstract ( 4 )
Systems thinking is a systematic way of thinking. Systems engineering is an interdisciplinary approach and means to enable the realization of successful systems. Facing the challenge of technology and management complexity, the emphasis must be given to systems thinking in management and systems engineering in technical fields.

Nature of systems engineering

CAO Song
Science & Technology Review. 2018, 36 (20): 43-47. ;  doi: 10.3981/j.issn.1000-7857.2018.20.007
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Abstract ( 9 )
To begin with the analysis of the linguistic meaning of the word engineering, this paper points the essence and characters of systems engineering (SE) on the basis of the difference between science, technology and engineering. The paper also summarizes the definition of SE applied in the engineering projects developing man-made systems, elaborates on the relationship and difference between SE and project management, explains the implication of various arguments about SE. This paper will help catch the essence of SE accurately which may contribute to the research and application of SE at present.

Military information system architecture design method and application analysis

SHU Zhen, LIU Junxian, LUO Aimin, HE Xinghua
Science & Technology Review. 2018, 36 (20): 48-56. ;  doi: 10.3981/j.issn.1000-7857.2018.20.008
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Abstract ( 3 )
As an important method for the top-level design of military information systems, the architecture method has gradually entered the practical application stage from the theoretical research stage. Aiming at specific requirements for architecture design of military information systems at different stages, starting from the concept of architecture, the paper briefly analyzes the role of the architecture framework and the effect of architecture methods, and focuses on the application model of the architecture method in the different stages of military information system development. These stages are requirements demonstration, planning and plan, project verification and development and construction. In order to provide guidance for improving the application ability for architecture design of military information system.

Model-based systems engineering application investigation in China

LU Jinzhi, WANG Guoxin, ZHENG Xinhua, HUANG Baiqiao
Science & Technology Review. 2018, 36 (20): 57-66. ;  doi: 10.3981/j.issn.1000-7857.2018.20.009
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Abstract ( 9 )
Model-based Systems Engineering is a new trend in the current Chinese industry It adopts model-based approaches to formalize the system development and minimize the risk brought by design changes of the later development phase. The model-based approaches can be used for across domain integrations of the whole life cycle of products. Though MBSE has been widely used in specific domains, such as software, mechanical systems and electric systems, the system-level integration has not been realized. This paper introduces the results of questionnaires about MBSE application in China. The results can be used for current system developers to understand MBSE and its trends.

Structuralization of technical processes and research and development activities

ZHAO Xianmin
Science & Technology Review. 2018, 36 (20): 67-73. ;  doi: 10.3981/j.issn.1000-7857.2018.20.010
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Abstract ( 7 )
This article, referring to the entropy increase theory, dissects the nature of system engineering, analyzes the different understanding of research and development activities and organization, reveals the different organization way to produce the principle of difference in terms of running effect. Based on this, a method for structuring and organizing research and development activities is put forward, which is implemented in engineering practice in the form of a meta-file system and an integrated file system.

Tailoring strategy of systems engineering

WEN Yuejie
Science & Technology Review. 2018, 36 (20): 74-78. ;  doi: 10.3981/j.issn.1000-7857.2018.20.011
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Abstract ( 7 )
This paper briefly introduced the necessary steps of tailoring during the application of systems engineering. There are two levels of tailoring:organization-level tailoring and project-level tailoring. A practical tailoring strategy is proposed, cutting unnecessary processes/activities and tasks at first, then adjusting or calibrating in accordance with precise needs. On the basis of references of mature methods, some mistakes and traps are listed to be avoided. At last, in the light of tailoring strategies, a series of domain cases are analyzed from the view of systems engineering application. These research results could be reference for the proper application of systems engineering in the new domains.

Combat system contribution analysis and technical performance index converting method for military helicopter based on mission scenery

XIN Ji, SUN Qiang, WANG Zhong
Science & Technology Review. 2018, 36 (20): 79-88. ;  doi: 10.3981/j.issn.1000-7857.2018.20.012
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Abstract ( 7 )
According to the requirement analysis of military helicopter, the concerned task simulation scenery was set. Then, the developing secondly to motion simulation and logical simulation software by XML language was applied to establish the simulation demonstration model for the scenery deduction and logical function demonstration. The verification approach for battle scenery simulation model was proposed and the simulation model was proved by taking the example of the helicopter attacking tank battles exercised and deducted in various countries. The military helicopter design weight pre hierarchical evaluation method was built and an optimization method design oriented military helicopter operational mission index to technique specification was presented. The system operational performance index was transformed into helicopter flight performance index using optimization method taking the example of the effect of early warning helicopter on the formation of destroyer.

Submarine measuring waving height methods based on dynamic wave-measuring

QIN Liangliang
Science & Technology Review. 2018, 36 (20): 89-91. ;  doi: 10.3981/j.issn.1000-7857.2018.20.013
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Abstract ( 4 )
Using the acoustic wave gauge to measure the wave height is the main means for the submarine to obtain the weather information of the sea. Concerning the complexity of the effecting factors on measuring the wave under the environment of submarine movement, this paper analyzes the working principle, environment of underwater wave and the influencing factors of wave error of submarine movement by using the theory of wave spectrum, gives out the methods of submarine measuring waving height based on dynamic wavemeasuring and carries out the verifications by simulation experiment.

Propeller force of landing ship maneuvering model based on MMG

SONG Jian, LING Lin, ZHAO Lei
Science & Technology Review. 2018, 36 (20): 92-96. ;  doi: 10.3981/j.issn.1000-7857.2018.20.014
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Abstract ( 3 )
Landing ship is an important transport equipment in amphibious warfare. Aiming at the complexity of its motion law, a maneuvering model of landing ship based on MMG is established in deep and shallow water. When a landing ship is sailing, the thrust of the propeller is the main force, which is used to overcome the resistance of the water and maintain the maneuvering motion of the ship. Therefore, the hydrodynamic model of propeller is an important component of landing ship motion modeling. On the basis of the special maneuvering model of landing ship, the model of propeller force in maneuvering motion of landing ship is emphatically introduced.

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