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Artificial Intelligence Embedded Object-Oriented Methodology For Model Based Decision Support 被引量:1
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作者 Feng Shan Tian Yuan Li Tong & Cai Jun (Institute of System Engineering, Department of Automatic Control Engineering Huazhong University of Science and Technology, Wuhan, Hubei, 430074, P. R. China) 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 1996年第1期1-14,共14页
The paper presents the coupling of artificial intelligence-AI and Object-oriented methodology applied for the construction of the model-based decision support system MBDSS.The MBDSS is designed for support the strate... The paper presents the coupling of artificial intelligence-AI and Object-oriented methodology applied for the construction of the model-based decision support system MBDSS.The MBDSS is designed for support the strategic decision making lead to the achievemellt of optimal path towardsmarket economy from the central planning situation in China. To meet user's various requirements,a series of innovations in software development have been carried out, such as system formalization with OBFRAMEs in an object-oriented paradigm for problem solving automation and techniques of modules intelligent cooperation, hybrid system of reasoning, connectionist framework utilization,etc. Integration technology has been highly emphasized and discussed in this article and an outlook to future software engineering is given in the conclusion section. 展开更多
关键词 Artificial intelligence Object-oriented methodology Knowledge-based systems Intelligently cooperative systems Neural nets Case hased reasoning Behavioral science Advancedautomation.
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Integrative Stability Analysis for A Class of Intelligent Control Systems
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作者 Qin Shiyin(Institute of Systems Engineering, Xi’an Jiaotong University,Xi’an 710049, P.R. China, Tel. (029)3235011-3677, Fax (029)3237910) 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 1996年第4期13-18,共6页
In this paper the integrative stability is studied for a class of intelligent control systems which are described by an octette structural model. Based on the definitions Of state reachability and stabilizability of i... In this paper the integrative stability is studied for a class of intelligent control systems which are described by an octette structural model. Based on the definitions Of state reachability and stabilizability of intelligent control systems the analysis method and criterion of integrative stability are given. 展开更多
关键词 Integrative stability Intelligent control systems systems Engineering.
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Robust entry guidance using multi-segment linear pseudospectral model predictive control 被引量:4
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作者 Liang Yang Wanchun Chen +1 位作者 Xiaoming Liu Hao Zhou 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2017年第1期103-125,共23页
This paper presents a robust entry guidance algorithm for the high lift-to-drag ratio entry vehicle that employs the recently developed pseudospectral model predict control in a segmented manner. Here, the guidance co... This paper presents a robust entry guidance algorithm for the high lift-to-drag ratio entry vehicle that employs the recently developed pseudospectral model predict control in a segmented manner. Here, the guidance commands are the longitudinal lift-to-drag (L/D) and bank reversal commands, which are calculated by successively solving multiple segment linear algebraic equations. These equations are derived using the linear pseudospectral method, control parametrization and calculus of variations. The method uses orthogonal polynomials and computes the updates through a series of analytical formulae, which makes it accurate and computationally effective. Moreover, it is able to adjust the number of bank reversals by providing the precise bank reversal point so as to fully exploit the potential of lateral maneuver. The method also employs proportional navigation and polynomial guidance after the last bank reversal to meet multiple terminal constraints. High-fidelity numerical simulations with various destinations are carried out to demonstrate its applicability. Furthermore, Monte Carlo simulations are also conducted to show that the proposed algorithm consistently offers very stable and robust performances and has superior performances in computational efficiency, guidance accuracy and lateral trajectory shaping capability in comparison with other typical methods. © 1990-2011 Beijing Institute of Aerospace Information. 展开更多
关键词 CALCULATIONS Computational efficiency Drag Electronic guidance systems Intelligent systems Lift drag ratio Linear algebra Linear equations Monte Carlo methods
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What Do Educators Need to Teach for Prospective Knowledge Engineers? 被引量:1
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作者 Jay Liebowitz(Dept. of Management Science, George Washington University, Washington, D. C. 20052) 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 1995年第3期1-6,共6页
As expert systems technology has matured and migrated into mainstream computing, there arestill areas which are overlooked in education prospective knowledge engineers. This paper addresses this issue, and provides a ... As expert systems technology has matured and migrated into mainstream computing, there arestill areas which are overlooked in education prospective knowledge engineers. This paper addresses this issue, and provides a message to educators that expert and knowledge-based systems should be an importantstrategic science and technology for many organizations. 展开更多
关键词 Knowledge engineers Expert systems Intelligent systems Knowledge engineering
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