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| 1 | Product Modular Design Incorporating Preventive Maintenance Issues显示文摘Traditional modular design methods lead to product maintenance problems, because the module form of a system is created according to either the function requirements or the manufacturing considerations. For solving these problems, a new modular design method is proposed with the considerations of not only the traditional function related attributes, but also the maintenance related ones. First, modularity parameters and modularity scenarios for product modularity are defined. Then the reliability and economic assessment models of product modularity strategies are formulated with the introduction of the effective working age of modules. A mathematical model used to evaluate the difference among the modules of the product so that the optimal module of the product can be established. After that, a multi-objective optimization problem based on metrics for preventive maintenance interval different degrees and preventive maintenance economics is formulated for modular optimization. Multi-objective GA is utilized to rapidly approximate the Pareto set of optimal modularity strategy trade-offs between preventive maintenance cost and preventive maintenance interval difference degree. Finally, a coordinate CNC boring machine is adopted to depict the process of product modularity. In addition, two factorial design experiments based on the modularity parameters are constructed and analyzed. These experiments investigate the impacts of these parameters on the optimal modularity strategies and the structure of module. The research proposes a new modular design method, which may help to improve the maintainability of product in modular design. | GAO Yicong FENG Yixiong TAN Jianrong | 2016 | Chinese Journal of Mechanical Engineering2016，29，2： | 8 |
| 2 | Simulation model of self-organizing pedestrian movement considering following behavior显示文摘在本文中一种新的力学模型被引入到社会力模型中,用来仿真相向行人流中的跟随行为。这种跟随行为指的是行人通过接近同向行人以避免与反向行人冲突的行为。新的力学模型类似于一种引力模型,在建模过程中考虑了行人的视野范围、自身的运动状态、被跟随行人的运动状态等因素。我们利用新的力学模型对相向行人流进行了仿真,研究了跟随行为对渠化现象、行人间冲突以及双向通道通行效率的影响。仿真结果表明:跟随行为能促进渠化现象形成,并能起到缓解相向行人流拥堵的作用;跟随行为具有降低相向行人流冲突次数的作用,这种作用在入口流量较低时并不明显,但随着行人流量的升高而增强。跟随行为能够提高双向通道的通行效率,并且跟随行为的强度参数越大通道的通行效率越高。 | Zhilu YUAN Hongfei JIA Mingjun LIAO Linfeng ZHANG Yixiong FENG Guangdong TIAN | 2017 | Frontiers of Information Technology & Electronic Engineering2017，18，8： | 7 |
| 3 | SELF-ORGANIZED SEMANTIC FEATURE EVOLUTION FOR AXIOMATIC DESIGN显示文摘Aiming at the problem existing in the computer aided design process that how to express the design intents with high-level engineering terminologies,a mechanical product self-organized semantic feature evolution technology for axiomatic design is proposed, so that the constraint relations between mechanical parts could be expressed in a semantic form which is more suitable for designers.By describing the evolution rules for semantic constraint information,the abstract expression of design semantics in mechanical product evolution process is realized and the constraint relations between parts are mapped to the geometric level from the semantic level;With semantic feature relation graph,the abstract semantic description,the semantic relative structure and the semantic constraint information are linked together;And the methods of semantic feature self-organized evolution are classified.Finally,combining a design example of domestic high-speed elevator,how to apply the theory to practical product development is illustrated and this method and its validity is described and verified.According to the study results,the designers are able to represent the design intents at an edvanced semantic level in a more intuitional and natural way and the automation,recursion and visualization for mechanical product axiomatic design are also realized. | HAO He FENG Yixiong TAN Jianrong XUE Yang | 2008 | Chinese Journal of Mechanical Engineering2008，21，2： | 5 |
| 4 | TECHNOLOGY AND APPLICATION OF PRODUCT EVOLUTIONARY DESIGN BASED ON CONFIGURATION IN MASS CUSTOMIZATION MODE显示文摘Product customization has been recognized as an effective means to implement mass cus-tomization (MC). A new theory and method for MC-oriented evolutionary design of configuration product is presented based on the study of developing law of evolutionary design in integrated envi-ronment, which focuses on the innovation and reuse properties of configuration product. The key technologies for general requirement modeling in quick response to customer requirement, multi-level stepwise configuration optimization driven by customer requirement and evolutionary deduction of product variable structure based on configuration association are thoroughly investigated. The suc-cessful application of the presented method in the development of real-life products demonstrates its utility, flexibility and robusticity. | FENG Yixiong CHENG Jin TAN Jianrong ZHENG Bing WEI Zhe | 2007 | Chinese Journal of Mechanical Engineering2007，20，3： | 3 |
| 5 | Product Model Evolvement and Configuration Knowledge Reuse Method显示文摘Configuration knowledge is a dynamic information set which is evolving and enriching on and on. Product model is the instantiation of configuration knowledge and the evolution of configuration knowledge is the essential inherent reason which causes the models dynamic evolvement. In the traditional model evolvement process, the inheriting and reuse of configuration knowledge was always ignored. Aim at solving the above problem, the multistage rhombus evolution mode of configuration knowledge is discussed in this paper. The product model based on configuration knowledge is put forward in different levels to achieve the models dynamic evolvement and automatic upgrading. The evolving configuration knowledge drives the product model to evolve directly according to the rule of up-layer evolvement. Furthermore, a new configuration knowledge reuse and optimization technology is presented to inheriting and reuse the foregone configuration knowledge in the course of model evolvement. At last, the air separation equipment which is related with the project is taken as an example to illuminate that the presented model evolvement and configuration knowledge reuse technology are validity and practical. | WEI Wei FENG Yixiong TAN Jianrong | 2009 | Chinese Journal of Mechanical Engineering2009，22，6： | 3 |
| 6 | An in- tegrated method for flexible platform modular architecture de- sign显示文摘 | LI Zhongkai CHENG Zhihong FENG Yixiong | 2013 | Journal of Engineering Design2013，24，1： | 1 |
| 7 | Research on quality performance conceptual design based on SPEA2+ 显示文摘 | WEI Zhe FENG Yixiong TAN Jianrong | 2009 | Computers and Mathematics with Applications2009，57，1112： | 1 |
| 8 | Research on quality performance conceptual design based on SPEA2+显示文摘 | WEI Zhe FENG Yixiong TAN Jianrong etal | 2009 | Computers and Mathematics with Applications2009，57，： | 1 |
| 9 | As- sembly model and design thinking: A study of assembly scheme based on gene model显示文摘 | FENG YIXIONG GAO YICONG MAI ZEYU | 2013 | Assembly Automation2013，33，3： | 1 |
| 10 | Opti mization of injection mold based on fuzzy mo|dability evaluation显示文摘 | Jin Cheng Yixiong Feng Jianrong Tan | 2008 | Journal of Materials Processing Tech- nology2008，208，： | 1 |
| 11 | Layout design and application of 4D-printing bio-inspired structures with programmable actuators显示文摘Four-dimensional(4D)printing is an advanced form of three-dimensional(3D)printing with controllable and programmable shape transformation over time.Actuators are used as a controlling factor with multi-stage shape recovery,with emerging opportunities to customize the mechanical properties of bio-inspired structures.The print pattern of shape memory polymer(SMP)fbers strongly afects the achievable resolution,and consequently infuences several other physical and mechanical properties of fabricated actuators.However,the deformations of bio-inspired structures due to actuator layout are more complex because of the presence of the coupling of multi-directional strain.In this study,the initial structure was designed from closed-shell behavior and divided into a general unit and actuator unit,the latter responsible for driving the transformation.Mutual stress confrontation between the actuator and the general unit was considered in the layout thermodynamic model,in order to eliminate the transformation produced by the uncontrolled shape memory behavior of the general unit.Three critical and efective strategies for the layout design of actuators were proposed and then applied to achieve the desired accurate deformation of 3D-printed bilayer structures.Finally,the proposed approach was validated and adopted for fabricating a complex shell-like gripper structure. | Siyuan Zeng Yixiong Feng Yicong Gao Hao Zheng Jianrong Tan | 2022 | Bio-Design and Manufacturing2022，5，1： | 1 |
| 12 | Guidelines for the diagnosis and treatment of acute pancreatitis in China (2021)显示文摘Acute pancreatitis(AP)is a common acute abdominal condition of the digestive system.In recent years,treatment concepts,methods,and strategies for the diagnosis of AP have advanced,and this has played an important role in promoting the standardization of AP diagnosis and treatment and improving the treatment quality of AP patients.On the basis of previous guidelines and expert consensus,this guideline adopts an evidence-based,problem-based expression;synthesizes important clinical research data at home and abroad in the most recent 5 years;and forms 29 recommendations through multidisciplinary expert discussion,including diagnosis,treatment,and follow-up.It is expected to provide evidence support for the treatment of AP in the clinical setting in China. | Fei Li Shouwang Cai Feng Cao Rufu Chen Deliang Fu Chunlin Ge Chunyi Hao Jihui Hao Heguang Huang Zhixiang Jian Gang Jin Ang Li Haimin Li Shengping Li Weiqin Li Yixiong Li Tingbo Liang Xubao Liu Wenhui Lou Yi Miao Yiping Mou Chenghong Peng Renyi Qin Chenghao Shao Bei Sun Guang Tan Xiaodong Tian Huaizhi Wang Lei Wang Wei Wang Weilin Wang Junmin Wei Heshui Wu Wenming Wu Zheng Wu Changqing Yan Yinmo Yang Xiaoyu Yin Xianjun Yu Chunhui Yuan Taiping Zhang Yupei Zhao on behalf of the Chinese Pancreatic Surgery Association | 2021 | Journal of Pancreatology2021，4，2： | 1 |
| 13 | Construction of Human Digital Twin Model Based on Multimodal Data and Its Application in Locomotion Mode Identifcation显示文摘With the increasing attention to the state and role of people in intelligent manufacturing, there is a strong demand for human-cyber-physical systems (HCPS) that focus on human-robot interaction. The existing intelligent manufacturing system cannot satisfy efcient human-robot collaborative work. However, unlike machines equipped with sensors, human characteristic information is difcult to be perceived and digitized instantly. In view of the high complexity and uncertainty of the human body, this paper proposes a framework for building a human digital twin (HDT) model based on multimodal data and expounds on the key technologies. Data acquisition system is built to dynamically acquire and update the body state data and physiological data of the human body and realize the digital expression of multi-source heterogeneous human body information. A bidirectional long short-term memory and convolutional neural network (BiLSTM-CNN) based network is devised to fuse multimodal human data and extract the spatiotemporal features, and the human locomotion mode identifcation is taken as an application case. A series of optimization experiments are carried out to improve the performance of the proposed BiLSTM-CNN-based network model. The proposed model is compared with traditional locomotion mode identifcation models. The experimental results proved the superiority of the HDT framework for human locomotion mode identifcation. | Ruirui Zhong Bingtao Hu Yixiong Feng Hao Zheng Zhaoxi Hong Shanhe Lou Jianrong Tan | 2023 | Chinese Journal of Mechanical Engineering2023，36，5： | 0 |
| 14 | Managing Channels of Distribution Under the Environment of Electronic Commerce显示文摘Business Marketing Management over the Internet has been receiving a“lot of ink”in current periodicals and to a lesser degree in academic literature.Practice changes so rapidly that principles emerging from last month’s successes may need revi- sion before they are derived and printed.The emergence of electronic commerce has created a new business paradigm,one that pre- sents marketers with noteworthy opportunities and challenges.Perhaps the greatest impact is in the area of channel management. The top issue for many business-to-business (B2B) firms today is channel conflict.In this paper,we analyze the weakness of traditional place model at first.On the basis of it,we set forth the processes and advantages of direct place and indirect place un- der the environment of electronic commerce.Then this paper presents that we should develop association net,express net,service net and production net in order to create place advantage under the environment of electronic commerce. | ZHENG Bing~1 FENG Yixiong~2 1.College of Economics & Management,Dalian University,Dalian 116622,China 2.State Key Laboratory of CAD&CG,Zhejiang University,Hangzhou 310027,China | 2006 | 武汉理工大学学报2006，28，S2： | 0 |
| 15 | Complicated deformation simulating on temperature-driven 4D printed bilayer structures based on reduced bilayer plate model显示文摘The four-dimensional(4D) printing technology, as a combination of additive manufacturing and smart materials, has attracted increasing research interest in recent years. The bilayer structures printed with smart materials using this technology can realize complicated deformation under some special stimuli due to the material properties.The deformation prediction of bilayer structures can make the design process more rapid and thus is of great importance. However, the previous works on deformation prediction of bilayer structures rarely study the complicated deformations or the influence of the printing process on deformation. Thus, this paper proposes a new method to predict the complicated deformations of temperature-sensitive 4D printed bilayer structures,in particular to the bilayer structures based on temperature-driven shape-memory polymers(SMPs) and fabricated using the fused deposition modeling(FDM) technology. The programming process to the material during printing is revealed and considered in the simulation model. Simulation results are compared with experiments to verify the validity of the method. The advantages of this method are stable convergence and high efficiency,as the three-dimensional(3D) problem is converted to a two-dimensional(2D) problem.The simulation parameters in the model can be further associated with the printing parameters, which shows good application prospect in 4D printed bilayer structure design. | Junjie SONG Yixiong FENG Yong WANG Siyuan ZENG Zhaoxi HONG Hao QIU Jianrong TAN | 2021 | Applied Mathematics and Mechanics(English Edition)2021，42，11： | 0 |
| 16 | Abstract显示文摘 | Feng Zhipeng Zang Fenggang Zhang Yixiong | 2015 | 应用力学学报2015，32，1： | 0 |
| 17 | Prediction of medium-to-coal ratio effect in a dense medium cyclone by using both traditional and coarse-grained CFD-DEM models显示文摘Dense medium cyclone(DMC)is the working horse in coal industry.In practice,it is usually operated under constant pressure and the operational conditions(mainly medium-to-coal(M:C)ratio and oper-ational pressure)need to be adjusted according to coal washability data(mainly coal particle size and density distributions).Nonetheless,until now it is still not well understood how the M:C ratio would affect the performance of DMCs especially under the practical conditions.In this work,the effect of M:C ratio is for the first time numerically studied under conditions similar to plant operation by using both tra-ditional and coarse-grained(CG)combined approach of computational fluid dynamics(CFD)and discrete element method(DEM),called as traditional CFD-DEM and CG CFD-DEM,in which the flow of coal par-ticles is modelled by DEM or CG DEM which applies Newton's laws of motion to individual particles and that of medium flow by the conventional CFD which solves the local-averaged Navier-Stokes equations,allowing consideration of particle-fluid mutual interaction and particle-particle collisions.Moreover,impulse and momentum connection law is used to achieve energy conservation between traditional CFD-DEM and CG CFD-DEM.It is found that under constant pressure,the M:C ratio affects DMC perfor-mance significantly.The specific effect depends on coal washability or coal type.Under extremely low M:C ratio,the phenomenon that high-quality coal product is misplaced to reject is successfully repro-duced,which has been observed in plants in Australian coal industry and called as'low-density tail'.Moreover,strategies are proposed to mitigate the'low-density tail'phenomenon based on the model. | Zhaoyang Li Kaiwei Chu Zongqing Zhou Yixiong Feng Aimin Wang | 2022 | Particuology2022，20，9： | 0 |
| 18 | Model evolvement and reuse technology of injection molding machine based on performance knowledge显示文摘To illuminate the necessity of model evolvement and rouse,dynamics of injection molding machine' sproduct models are analyzed.The performance knowledge is used to support the model evolvement andreuse.The driven factors of mechanical product model are concluded.The dynamic characteristics ofproduct model are described.The.performance knowledge is used to improve specific evolvement process.The upper-layer passing rules are adopted in the mechanical product comfiguration design.The rules ofproduct model evolvement are investigated.And the model evolvement of injection molding machine hasthree levels.Practical and effective realization arithmetic is given to roalize the performance knowledgereuse.Finally,HT1800X1N series injection molding machines are taken as examples to illuminate thatthe arithmetic is correct and practical. | 魏喆 Feng Yixiong Tan Jianrong Wang Jinlong | 2008 | High Technology Letters2008，14，2： | 0 |
| 19 | Guidelines for the diagnosis and treatment of pancreatic cancer in China (2021)显示文摘The incidence of pancreatic cancer has been rising worldwide,and its clinical diagnosis and treatment remain a great challenge.To present the update and improvements in the clinical diagnosis and treatment of pancreatic cancer in recent years,Chinese Pancreatic Association,the Chinese Society of Surgery,Chinese Medical Association revised the Guidelines for the Diagnosis and Treatment of Pancreatic Cancer in China(2014)after reviewing evidence-based and problem-oriented literature published during 2015-2021,mainly focusing on highlight issues regarding diagnosis and surgical treatment of pancreatic cancer,conversion strategies for locally advanced pancreatic cancer,treatment of pancreatic cancer with oligo metastasis,adjuvant and neoadjuvant therapy,standardized processing of surgical specimens and evaluation of surgical margin status,systemic treatment for unresectable pancreatic cancer,genetic testing,as well as postoperative follow up of patients with pancreatic cancer.Forty recommendation items were finally proposed based on the above issues,and the quality of evidence and strength of recommendations were graded using the Grades of Recommendation,Assessment,Development,and Evaluation system.This guideline aims to standardize the clinical diagnosis and therapy,especially surgical treatment of pancreatic cancer in China,and further improve the prognosis of patients with pancreatic cancer. | Yinmo Yang Xueli Bai Dapeng Bian Shouwang Cai Rufu Chen Feng Cao Menghua Dai Chihua Fang Deliang Fu Chunlin Ge Xiaochao Guo Chunyi Hao Jihui Hao Heguang Huang Zhixiang Jian Gang Jin Fei Li Haimin Li Shengping Li Weiqin Li Yixiong Li Hongzhen Li Tingbo Liang Xubao Liu Wenhui Lou Yi Miao Yiping Mou Chenghong Peng Renyi Qin Chenghao Shao Bei Sun Guang Tan Xiaodong Tian Huaizhi Wang Lei Wang Wei Wang Weilin Wang Junmin Wei Heshui Wu Wenming Wu Zheng Wu Jingyong Xu Changqing Yan Xiaoyu Yin Xianjun Yu Chunhui Yuan Taiping Zhang Jixin Zhang Jun Zhou Yupei Zhao on behalf of the Chinese Pancreatic Surgery Association | 2021 | Journal of Pancreatology2021，4，2： | 0 |
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