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high-end equipment development task decomposition and scheme selection method

Journal of Systems Engineering and Electronics 2021年第1期32卷 118-135页

作者： XU Xiangqian YANG Kewei DOU Yajie ZHOU Zhexuan CHEN Ziyi TAN Yuejin College of Systems Engineering National University of Defense TechnologyChangsha 410073China

Decomposition of tasks and selection of optimal schemes are key procedures in high-end equipment development ***,such procedures are highly innovative,technology intensive,interdisciplinary,and multi-party engineering projects,making the decomposition and scheme selection more difficult and complicated than that in the development of ordinary *** this study,we consider three factors,namely,functional structure,task granularity,and task feasibility in task decomposition of high-end equipment *** on the principles of systems engineering,a method of task decomposition is *** for decomposition scheme selection,a method based on the superiority and inferiority ranking(SIR)method mixed information and multiple attribute decision making is proposed by considering attributes of scheme feasibility,uncertainty risk and task integration *** verify the proposed method,development of a military electric vehicle is used as an example to demonstrate the calculation process.

关键词： high-end equipment task decomposition decomposition scheme selection

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A Review on Self-Recovery Regulation(SR)Technique for Unbalance Vibration of high-end equipment

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Chinese Journal of Mechanical Engineering 2020年第6期33卷 1-23页

作者： Xin Pan Jiaqiao Lu Jiaji Huo Jinji Gao Haiqi Wu Beijing Key Laboratory of Health Monitoring and Self-recovery for high-end Mechanical equipment Beijing University of Chemical TechnologyBeijing100029China Key Laboratory of Engine Health Monitoring-Control and Networking(Ministry of Education) Beijing University of Chemical TechnologyBeijing100029China

The high-end equipment represented by high-end machine tools and aero-engines is the core component of the national intelligent manufacturing plan,and the mass unbalance is the main reason for its excessive vibration,that seriously impacts the operation efficiency and running life of the *** order to change the traditional way that the fault of equipment can only be repaired by human,the self-recovery mechanism of human and animal are given to the equipment in this paper,which forms the self-recovery regulation(SR)system for unbalance vibration of high-end *** system can online generate the self-recovery force to restrain the unbalance vibration of the equipment in operation,which is an important direction for the development of the equipment to the advanced intelligent *** on the basic principles of SR technique,the typical engineering application cases of this technique in the field of aeroengine and high-end machine tools are introduced,and four related studies promoting the development of this technique are summarized and analyzed in *** includes feature extraction,imbalance location,regulation method and balancing ***-recovery Regulation(SR)Technique is an important way to realize intelligent manufacturing and intelligent *** research can lay a technical foundation for the development of high-end equipment with self-health function.

关键词： Unbalance vibration Self-recovery regulation Active balancing high-end equipment Self-health

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维普期刊数据库

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VE2-based digital twin adaptive modeling approach for intelligent operation and maintenance of high-end equipment

VE2-based digital twin adaptive modeling approach for intell...

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2023智能制造与机械动力学学术大会

作者： Mingliang Zheng Taiyong Wang Ying Tian School of Mechanical Engineering Tianjin University

To address the challenges posed by the complex and variable working conditions,as well as the evolving safety and reliability requirements,in the intelligent operation and maintenance of urban rail vehicles,large,unmanned aircraft,CNC machine tools,and other high-end equipment,extensive research is being conducted to develop efficient methods for modeling intelligent operation and maintenance of such equipment across diverse *** goal is to establish an independent and controllable industrial software prototype system,which remains a key focus in tackling the *** Engineering × Education(VE2) has a high-end equipment operation and maintenance scenario modelling infrastructure and a standard secondary development interface,which can provide a model and data basis for the study of efficient methods for intelligent operation and maintenance modelling of high-end *** paper focuses on investigating the digital twin self-adaptive modeling approach for intelligent operation and maintenance of high-end equipment using the VE2 *** research entails establishing a cross-domain common modeling mechanism for high-end equipment digital twins and developing a scenario-awareness and adaptive decision-making ***,an integrated intelligent model encompassing the entire process of high-end equipment operation and maintenance is *** effectiveness of the proposed method has been verified by five-axis machine tools,pantograph systems for urban rail vehicles and large unmanned aircraft engines and has achieved an average twin model characterization accuracy of 90% and a control model calculation time of less than *** achieve intelligent digital twin accurate modelling of the whole process of high-end equipment operation and maintenance,and to provide theoretical methods and technical support for building a prototype of high-end equipment digital twin intelligent operation and maintenance system and industrial software integrat

关键词： high-end equipment Digital twin Visual Engineering×Education Adaptive modelling

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high-end equipment Requirement Generation Model Based on Recommendation Algorithm

High-end Equipment Requirement Generation Model Based on Rec...

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第36届中国控制会议

作者： Yuren Wang Zhiwei Yang Yanqing Ye Yajie Dou College of Information System and Management National University of Defense Technology

ISBN: (纸本)9781538629185

high-end equipment manufacturing plays a core role in the equipment manufacturing *** user requirements is crucial in the process of high-end equipment manufacturing.A requirement generation model for the high-end equipment manufacturing is proposed based on recommendation algorithm,which can recommend some requirements to assist users in validating and managing their ***,the idea of using a recommendation algorithm to analyze the user requirement is ***,an advanced collaborative filtering algorithm is illustrated,towards capturing the characteristics of the high-end equipment as well as addressing the shortcomings of traditional ***,by applying the algorithm,a requirement generation model is established,which can recommend a personalized design of the configuration for users according to their historical behavior *** users can choose from the designs to validate and change their ***,the proposed recommendation model is evaluated by an example of individualized aircraft manufacturing,which verifies its feasibility.

关键词： requirement generation high-end equipment recommendation algorithm design of configuration

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