Concurrent Optimal Design for the Mechanical Product Accuracy and its Mathematical Model

A new method,the concurrent optimal design for the mechanical product accuracy is addressed presented, this method is very suitable to a concurrent engineering context. Differing from the convensional tolerance design method, this method establishes a direct link between product working accuracy and machining precision of the parts. Therefore, in the product design phase,the optimal machining tolerances which satisfy the product working accuracy can be determined. Using this method, the design and manufacturing time and cost can be enormously reduced and product quality can be guaranteed.     

Product ontology screening and its application in variant design

A product ontology screening method which can be used in variant design is proposed. With the support of complete ontology view of product resources, the product functional requirement and structural characteristics are converted to demand constraints, which are used to screen product ontology. For different screening hierarchies and objects, different screening rules such as pattern matching, case matching combined with manual decision and auto matching on the basis of case-based reasoning are adopted. The semi-automatic screening method with human-computer cooperation has impressive effectiveness on the improvements of the accuracy of design schemes and the flexibility and efficiency of design process. Finally, a variant design supporting system for building door and window is developed, which proves the feasibility and effectiveness of the method.     

Design of Manufacturing System for Business

In the new environment, product development is the core of product innovation and quickly responsive to the market for the enterprises. The speed and effectiveness of development is the key factor to the success of product development. The design for business is the key technique in achieving the effectiveness of product development. And manufacturing system is the bridge between business and products. The design method of facing business is discussed, and the design flow and content of manufacturing system supporting facing business are pointed out. At the same time, the author also sets forth the construction definition, the construction design and the detailed design of the manufacturing system. So the design flow of manufacturing system facing business is established.     

Application of Function Analysis in Conceptual Design

Product design is a procedure that enterprises meet the needs of consumers; conceptive design is one of the steps in product design and it directly considers requirements of consumers. So how to supply consumers with satisfying function is the essential point. On the basis of function analysis of Value Engineering, the paper puts forward a new method to exercise function definition and function analysis, implements conceptual product design procedure with database techniques.A new way is gotten to convert requirements to conceptual product.     

Design Quality Review System Based on Networks

Design quality review of product is an effective method to improve product quality. The inefficient traditional design review is not accord with modern yield requirement. The multiple system truss of design review is constructed based on the primary characteristics and the requirements of design review and the network technology. The mode of communication between client and server and the flow of design review system based on networks are expatiated. According to different phases of reveiw,the universal quality index system for evaluating the product design is established and the design review system based on networks is realized by NetMeeting.     

Twisted Blade Virtual Design for Steam Turbine

Due to lack of estimation during initial stage of traditional physical design process for industry product, the efficiency of conduct development is low with high cost. A basic framework of twisted blade virtual design is set up based on the theory and method of product virtual design, and aiming at the thermodynamic process of middle or lower stage of steam turbine. The molding rule of twisted blade is found by thermodynamic computation program. The study of blade virtual design is carried through from 3-dimensional modeling to simulation test. The combination of thermal power theory, computer simulation technology and CAD system forms a kind of design method with the superiority such as high efficiency, low cost and good decidability is represented in the virtual design of turbine blade.     

Efficiency of product collaborative innovation design based on the attribute and matching task

The degrees that the design agent capacity matches the design task are an important factor affecting the efficiency of collaborative product innovation design. The classification and quantitative calculation of different types of design agent capacity combination is carried out after the characteristic of design agent is analyzed. An efficiency model whose goal is the shortest entire time is constructed based on the definition of task attribute,and then the solving method of efficiency model are designed based on particle swarm optimization algorithm. The collaborative product innovation design of cabin is taken as an example to prove that considering the matching agent attribute with task can shorten the design cycle and improve design efficiency.     

A Methodology of Classification of Product Family for Mass Customization

Product family management is a key support technology to implement mass customized production. Various products in product family are similar in functional characters, physical characters and technological characters, which is an important character of product family. Based on the products represents and mapping relations in functional domain and physical domain, a method of classifying product family is presented by comparing similarity of both functional requirements in functional domain and design parameters in physical domain. The process of classifying product family by virtue of this method is also discussed. At last, a case is introduced to illustrate the application of this method.     

Modular Design Base on Variety Theory

Variety Design not only support to short down development time, and cut down development cost, but also support to response marketing rapid, is a kind of modern design theory which apply on Mass Customization. In some way, Variety Design is a kind of design that integrates standard design and modular design, and Variety Design object is high cost and universal parts that among platform. The authors discuss the modular design role and the different between integral design, promote the method and the step of modular design, so change the low cost parts design, and give an new product based on the platform. Based on this model, they not only save the cost of develop new product, but also save time, achieve advantage which Mass produce process.     

Establish Product Design Process Model based on Mass Customization

Compare with signal product design strategy, design strategy base on platform in accord with mass customization. In this paper, Product development process base on platform is developed. Author divided Product development process into prototype design; platform design; product family design. The purpose of give product process model is shorten product family develop time, accomplish product family design, not only accomplish a signal product design. In this way , reach the aim of fast response market.     

Data Storage Technology of Furniture Product

This paper introduces the storage technology of ADO. Then the authors take the Furniture Computer Aided Design Software 3.0(FCADS3.0) as an example, and analyzes the design course and the data storage technology of furniture product. Then anew method is presented for data storage technology of furniture product. Thisa kind of way makes it true that data are saved during the products are being designed. Furthermore, it provides the technology support for design and manufacture of furniture and others. The experimental results testify that the approach is feasible.     

Solid Model Design on the Features of Products

To research the problem of plastic art design and emulation of products with the virtual reality technology can short the product development cycle and reduce the cost. This paper discusses the information based on the product feature ,solid model with parameters, the structure and function of this system. Combined the product properties with its solid model. Proposed a method with CAD to create the model of the product based on features in the product design. Expressed its feature parameter and shape of model fully .In the case for a deceleration box the feature model has solved the problem of physical information ,geometry information and the informative process in its production management system efficiently.     

BOF-caster matching model in steelmaking plant of all plate and strip using precision design principle

Using precise design principle, a multi-objective programming mathematical model of the BOF-Caster matched is established for single production line in the steelmaking plant of all plate and strip, according to the segmentation of steel grade and product specification of product mix. Objectives of the model have less investment, less difference between production capacity of the converter and continuous caster, higher operating rate of converter and higher level of weighted average casting speed. The model is solved by the improved delaminating sequence method. Then, the overall configuration method of BOF-continuous casting in the steelmaking plant is proposed through integrating single production lines. According to the production outline of a new large steel plant, the result of the model shows that the configuration scheme of the steelmaking workshop of the steel plant is a better design scheme.     

“新工科”背景下“包装测试”课程教学改革与探索——以黑龙江八一农垦大学为例

在"新工科"背景下,从教学内容、教学方法、考核方式、实验设计等方面探索了"包装测试"课程的教学改革。通过以新技术成果扩充教学内容,实施"课堂教学+网络教学"的混合式教学模式、注重过程化考核方式,优化和创新实验设计,极大地提高了课程质量,为"新工科"背景下复合应用型包装工程专业人才培养途径提供参考。     

面向顾客需求的在线匹配定制方法

在线定制的产品涉及到设计、生产等复杂环节，所以定制品的方案设计及其可行性等信息的快速反馈是实施在线定制的难点。提出基于CBR（case-based reasoning）的匹配定制方法，减少定制时间避免不必要的重复设计。首先运用层次分析法和质量功能展开确定需求工程设计权重；结合模糊数学修改高斯函数，构造出一种具有接近客观现实、方便处理、区分性强等优点的匹配度计算方法；利用Beta分布构建机器学习方法，得到随市场偏好变动而调整的匹配度阀值。其次针对顾客对不同产品的价格敏感度不同，引入调节因子修正最终匹配值对比匹配阀值从而获得定制产品的设计方案及可行性并反馈。最后以电冰箱定制为例，证明该方法有效且易于实施。     

大豆气候品质评价技术模型研究

开展大豆气候品质评价技术方法研究既是开展农产品气候品质认证服务工作的必然要求,也是黑龙江省种植结构调整的现实需求。本文采用呼玛县1981-2018年大豆生育期、产量、气象灾情以及气温、降水、日照等气象资料,研究确定了大豆气候品质评价技术指标,并建立了评价模型。确定了大豆气候品质评价6个关键影响因子(年≥10℃积温、开花期低温、开花期日照、开花期降水、结荚鼓粒期降水、初霜冻)和分级指标。通过对专家打分法、相关系数法和通径系数法进行对比分析,最终采用相关系数法确定权重系数建立了大豆气候品质评价模型,历史拟合正确率达到了88%,说明该方法具有较高的实用性。     

Supplier management model in collaborative product development

Abstract:To manage suppliers who are involved in product collaborative design and innovation, on the basis of collating and analyzing 35 literatures related to co design process and supplier management activities, a three tier model of supplier management in collaborative product development is put forward, which includes tiers of long term strategic management, product development project and co design task. In terms of collaborative product development process, an overall management activities model about suppliers is built. Methods of supplier selection and performance evaluation are studied. A case study related to supplier management in equipment co design from a steel company is provided to verify the theory and methods.     

农产品质量安全风险评估学科发展与思考

为了理清中国农产品质量安全风险评估现实理论需求和学科发展方向,系统分析了中国农产品质量与安全专业课程设置,以及近年来农业部成立的农产品质量安全风险评估研究体系等情况。截至2015 年底,成立了1 个国家农产品质量安全风险评估机构和100 家农产品质量安全风险评估实验室,各类高校也以不同形式设置了农产品质量与安全专业。但风险评估学科发展滞后,学校在开设新专业时,没完全把实际需求的风险评估理论和评估模型等基础研究作为课程设置的依据。最后阐述了农产品质量安全风险评估学科发展思路：加强风险评估学科建设,强化风险评估基础理论研究;在评价已知和探索未知危害因子的基础上,创新评估理论,建立适合中国国情的风险评估技术和评估模型;同时应客观进行农产品营养功能评价,加强风险交流,科学引导消费。     

Assessment System for Green Building from the Angle of Ecological Design ---Taking the CASBEE, LEED and GOBAS as Example

In this paper,first,three assessment systems for green building,namely the LEED(USA) and GOBAS(China) are compared with CASBEE(Japan) in respect of central concepts,mark of evaluation and result of assessment.It is expected that this research of assessment systems could be helpful to designers of architecture in different specialties.Secondly,in this paper these three assessment systems are analyzed from the position of design work.In the end,it is pointed out that to compile a design-oriented handbook for green building design is the new domain of the assessment system for green building.     

Customer knowledge identify and application in collaborative product creative design

Customer involvement in product innovation can improve design efficiency effectively. Identifying customer knowledge quickly and applying it into the process of product design can enhance the product design capability of manufacturing enterprise. Rough set theory is used to simplify the variety of customer knowledge and identify the important customer knowledge. In order to select the customer with great contribution, a customer knowledge contribution measurement model based on Fuzzy Analytic Hierarchy Process and Shapley (FAHP S) is proposed to determine the importance weights of customer knowledge and member influence weights in group decision. An example is presented to illustrate the effectiveness of this model.