机械工程全国博士生学术论坛英文[定稿]_介绍机械工程英文

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2014年机械工程全国博士生学术论坛论文集，哈尔滨，2014年6月

GATE TYPE SELECTION BASED ON FUZZY MAPPING(22p, Arial Narrow, Bold)

*Yang Yu1, *（*号用以表示尾注), Xing Yuan2(14p, Arial Narrow, Bold)

(1.School of Mechatronics Engineering, Harbin Institute of Technology, Harbin Heilongjiang, 150001 2.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030)(10.5p, Arial Narrow)

Abstract(9p, Bold): A novel method for selecting gate type based on fuzzy logic is proposed.The proposed methodology follows three steps: Design requirements for gate is extracted and generalized;Poible gate types(design schemes)are presented;The fuzzy mapping relationship between gate design requirements and gate design scheme is established based on fuzzy composition and fuzzy relation transition matrices that are aigned by domain experts(9p).… Key words(9p, Bold): Gate type selection, Fuzzy logic, …(9p)

基于模糊映射的类型选择（小四，宋体，加粗）

杨玉1，邢原2（五号，宋体）

（1．哈尔滨工业大学机电工程学院

黑龙江 哈尔滨

150001； 2．上海交通大学机械工程与动力学院

上海

200030）（小五，宋体）

摘要(小五，黑体)：介绍了一种新型的基于模糊逻辑的类型选择方法。…（小五，宋体）关键词(小五，黑体)：类型选择，模糊逻辑，…（小五，宋体）

0 INTRODUCTION(10.5p, Bold)*(此处尾注符号*号改白色)

Mould conceptual design is the most important phase of mould design.…(9p)PROPOSED METHODOLOGY

2.1 Establishment of fuzzy transition relation

Since the transition relation RT should reflect the two scenarios, it is proposed that RT be the weighted average of R1 and R2, i.e.TrijRT(ri,sj)w1rij,1w2rij,2

(3)1

BASIC THEORY OF FUZZY SETS 1.1 Fuzzy set(9p, Bold)

Let U be a universe, whose generic elements are denoted by x.If the membership in subset A of U is allowed to be the real interval [0, 1], then A is called a fuzzy set, and it can be characterized by the set of pairs

where A{(x,A(x)),xU}

(1)

i=1, 2, … , m

j=1, 2, … , n

where rij—— Entries of matrix RT

w1, w2—— Weight values

T3

IMPLEMENTATION

By interviewing with domain experts and referring to many design handbooks, 12 design requirements for gate design were identified and 12 kinds of gate were choose to meet the design requirements(see Table 2).Table 2 Gate design requirements and design scheme(8p, Bold)

No.1 2 3

Design requirement Apply to single impreion Strong material adaptability

…

No.1 2 3

Design scheme

Edge gate Overlap gate … A(x)——

Grade of membership of x in A with grades 1 and 0 representing full membership and non-membership in a fuzzy set res pectively When U is a finite set ｛x1, x 2, A, x n｝, a fuzzy set A on U is expreed as A=μA(x1)/x1+Λ+μA(xn)/ xn=ΣμA(xi)/ xi

(2)

1.2 …

The inputs of the system are gate design requirements, and outputs are the selected poibilities of candidate gate design schemes(see Fig.1).(7.5p in Fig.)

(7.5p in Table)

CONCLUSIONS

(1)The stepping accuracy comes to …(2)…(3)…

Fig.1 Mapping from design requirements to design scheme(8p)

References(10p, Bold)

[1] Von H, Detlef W.Advanced joining technologies.Schweien and

Schneiden.Welding and Cutting, 2000, 52(9): 195~200(8p)

[2] Gao X D, Huang S S.Artifical neural technique for arc-welding

seam detection.Transaction of the China Welding Institution, 1998, 19(5): 118~124(In Chinese)[3] … 作者简介：姓名（出生年-），性别，民族，籍贯，？？大学博士研究生（用中文写）联系方式：电话，Email

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