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主题 : 英语论文写作常用经典句型
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楼主  发表于: 2007-11-10   

英语论文写作常用经典句型

英语论文写作常用经典句型 jX{t/8v/s4  
#5W-*?H  
-$_h]x* W  
Beginning ADN  
1. In this paper, we focus on the need for npdpKd+*K"  
2. This paper proceeds as follow. Q::6|B,G  
3. The structure of the paper is as follows. %$I@7Es>  
4. In this paper, we shall first briefly introduce fuzzy sets and related ih/MW_t=m=  
concepts bcZ s+FOPd  
5. To begin with we will provide a brief background on the ?3:xR_VWZu  
Introduction mkOj&Q  
1. This will be followed by a description of the fuzzy nature of the 'Ijjk`d&c  
problem and a detailed presentation of how the required }[*BC5{>  
membership functions are defined. f_GqJ7Gk]  
2. Details on xx and xx are discussed in later sections. ;.P9t`*  
3. In the next section, after a statement of the basic problem, various N!&$fhY)  
situations involving possibility knowledge are investigated: first, an s'|^6/  
entirely possibility model is proposed; then the cases of a fuzzy W{2(fb  
service time with stochastic arrivals and non-fuzzy service rule is I`e |[k2  
studied; lastly, fuzzy service rule are considered. 2qD80W<1  
Review LE:nmo  
1. This review is followed by an introduction. G&/RJLX|w  
2. A brief summary of some of the relevant concepts in xxx and xxx is jP9)utEm6  
presented in Section 2. A12#v,  
3. In the next section, a brief review of the .... is given. J9 iQW  
4. In the next section, a short review of ... is given with special regard y84= Q  
to ... W\?_o@d  
5. Section 2 reviews relevant research related to xx. sKT GZA  
6. Section 1.1 briefly surveys the motivation for a methodology of '8 ~E  
action, while 1.2 looks at the difficulties posed by the complexity of  v NJ!d  
systems and outlines the need for development of possibility OJL?[<I  
methods. > ^b6\  
Body x xh(VQdg  
1. Section 1 defines the notion of robustness, and argues for its MDCK@?\  
8N|y   
importance. `4'['x  
2. Section 1 devoted to the basic aspects of the FLC decision-making jc |"wN]  
logic. b[3K:ot+  
3. Section 2 gives the background of the problem which includes xxx Ih]'OaE   
4. Section 2 discusses some problems with and approaches to, A7!=`yA$  
natural language understanding. h 4 s!VK1X  
5. Section 2 explains how flexibility which often ... can be expressed 9:!<=rk  
in terms of fuzzy time-window D<zgs2Ex  
6. Section 3 discusses the aspects of fuzzy set theory that are used in =Zcbfo_&  
the ... fCL5Et  
7. Section 3 describes the system itself in a general way, including p xrd D7  
the ….. and also discusses how to evaluate system performance. 9WaKsdf  
8. Section 3 describes a new measure of xx. LO,G2]  
9. Section 3 demonstrates the use of fuzzy possibility theory in the p-H q\DP  
analysis of xx. DbdxHuKa>  
10. Section 3 is a fine description of fuzzy formulation of human #TLqo(/  
decision. lZ5 lm sCU  
11. Section 3 is developed to the modeling and processing of fuzzy  xA DjQ%B  
decision rules Q Fv"!Ql  
12. The main idea of the FLC is described in Section 3 while Section 4 ,ufB*[~  
describes the xx strategies. ewYZ} "o  
13. Section 3 and 4 show experimental studies for verifying the HF9d~7R  
proposed model. $2=-Q/lM  
14. Section 4 discusses a previous fuzzy set-based approach to cost )6# i>c-  
variance investigation. ^[{\ZX  
15. Section 4 gives a specific example of xxx. >z*2Og#1  
16. Section 4 is the experimental study to make a fuzzy model of >qjQ;z[  
memory process. J+3PUfg>@R  
17. Section 4 contains a discussion of the implication of the results of je6H}eWTC6  
Section 2 and 3. :^+ aJ]  
18. Section 4 applies this fuzzy measure to the analysis of xx and Suixk'-  
illustrate its use on experimental data. 6mr5`5~w  
19. Section 5 presents the primary results of the paper: a fuzzy set ln#Jb&u  
model .. SG1fu<Q6J  
"oX@Z^  
20. Section 5 contains some conclusions plus some ideas for further x4jn45]x@  
work. 9K*yds  
21. Section 6 illustrates the model with an example. q(0V#kKC  
22. Various ways of justification and the reasons for their choice are L Of0_g/  
discussed very briefly in Section 2. xWX1P%`  
23. In Section 2 are presented the block diagram expression of a ZzA4iT=KO  
whole model Gma)8X#  
of human DM system ]2kgG*^n"  
24. In Section 2 we shall list a collection of basic assumptions which *Z"9QX  
a ... scheme must satisfy. &DC o;Ij;  
25. In Section 2 of this paper, we present representation and ngM>Tzirt  
uniqueness theorems for the fundamental measurement of fuzziness V QE *B  
when the domain of discourse is order-dense. -`FPR4;  
26. In Section 3, we describe the preliminary results of an empirical 3dG[dYj  
study ~W'>L++  
currently in progress to verify the measurement model and to juPW!u  
construct membership functions. H~1&hF"d  
27. In Section 5 is analyzed the inference process through the two r'7>J:cy=  
kinds of inference experiments... "' g*_  
This Section hO3>Gl5<  
1. In this section, the characteristics and environment under which n:cre}0.  
MRP is designed are described. @l~zn%!X  
2. We will provide in this section basic terminologies and notations #% PnZ /  
which are necessary for the understanding of subsequent results. :4]^PB@dl  
Next Section %dMq'j  
2. The next section describes the mathematics that goes into the D~W1["[  
computer implementation of such fuzzy logic statements. 9mW95YI S  
3. However, it is cumbersome for this purpose and in practical ZW\}4q;[A  
applications the formulae were rearranged and simplified as p`ai2`qC`  
discussed in the next section.  u!TVvc  
4. The three components will be described in the next two section, SS;[{u!  
and an example of xx analysis of a computer information system will _JZS;8WYR  
A;E7~qOG  
then illustrate their use. !"{+|heU9p  
5. We can interpret the results of Experiments I and II as in the Y <;A989D  
following sections. ;2X/)sxWz  
6. The next section summarizes the method in a from that is useful |` gSkv  
for arguments based on xx 3#7D g't  
Summary cl s-x@ Kd  
1. This paper concludes with a discussion of future research G%N3h'zDi  
consideration in section 5. jFYv4!\ju  
2. Section 5 summarizes the results of this investigation. #?h#R5:0  
3. Section 5 gives the conclusions and future directions of research. 03aa>IO  
4. Section 7 provides a summary and a discussion of some extensions ts rcX  
of the paper. -s Iji)t  
5. Finally, conclusions and future work are summarized z?V'1L1gM  
6. The basic questions posed above are then discussed and %G!BbXlz  
conclusions are drawn. p7y8/m\6  
7. Section 7 is the conclusion of the paper. KrNu7/H  
Chapter 0. Abstract ;<qv-$P  
1. A basic problem in the design of xx is presented by the choice of a 871taL=  
xx rate for the measurement of experimental variables. XBi}hT  
2. This paper examines a new measure of xx in xx based on fuzzy L' w }  
mathematics which overcomes the difficulties found in other xx z& !n'N<C  
measures. 6{/HNEI*1  
3. This paper describes a system for the analysis of the xx. jcNY W_G  
4. The method involves the construction of xx from fuzzy relations. m4FT^ ^3yE  
5. The procedure is useful in analyzing how groups reach a decision. _G]f v'  
6. The technique used is to employ a newly developed and versatile G-?y;V 1  
xx algorithm. -z"=d<@  
7. The usefulness of xx is also considered. U#3Y3EdF<  
8. A brief methodology used in xx is discussed. + D ,Nd=/  
9. The analysis is useful in xx and xx problem.  +z/_'DE  
10. A model is developed for a xx analysis using fuzzy matrices. 4Eq$f (QJ  
11. Algorithms to combine these estimates and produce a xx are u;$g1 3  
Kt Wn08D!  
presented and justified. cfn\De%.  
12. The use of the method is discussed and an example is given. 34lt?6 %j  
13. Results of an experimental applications of this xx analysis ,A`.u\f(:  
procedure are given to illustrate the proposed technique. $ekJs/I&  
14. This paper analyses problems in d;GF<bz  
15. This paper outlines the functions carried out by ... nqX)+{wAXe  
16. This paper includes an illustration of the ... &6*X&]V!Z  
17. This paper provides an overview and information useful for b65V*Vbj  
approaching Er; @nOyD  
18. Emphasis is placed on the construction of a criterion function by hdZ{8 rP  
which the xx in achieving a hierarchical system of objectives are YcJZG|[  
evaluated. 7]}n 0*fe  
19. The main emphasis is placed on the problem of xx 4L'dV  
20. Our proposed model is verified through experimental study. Gt9(@USK  
21. The experimental results reveal interesting examples of fuzzy *_Y{wNF *  
phases of: xx, xx 3N8RZt1.b  
22. The compatibility of a project in terms of cost, and xx are likewise di^E8egR$  
represented by linguistic variables. {pEay|L_  
23. A didactic example is included to illustrate the computational \4;}S&`k  
procedure l ;TWs_N  
Chapter 1. Introduction GjDs,9@f  
Time pwq a/Yi  
1. Over the course of the past 30 years, .. has emerged form intuitive S!*wK-  
2. Technological revolutions have recently hit the industrial world fB~BVYi  
3. The advent of ... systems for has had a significant impact on the ]w2nVC 3  
4. The development of ... is explored 5X2&hG*  
5. During the past decade, the theory of fuzzy sets has developed in a (8bo"{zI  
variety of directions l/|bU9o /u  
6.The concept of xx was investigated quite intensively in recent years qo2/?]  
7. There has been a turning point in ... methodology in accordance 2"Oj* ;  
with the advent of ... 9 F"2$;  
8. A major concern in ... today is to continue to improve... I)@b#V=  
9. A xx is a latecomer in the part representation arena. N@Ie VF  
,MH9e!  
10. At the time of this writing, there is still no standard way of xx d9'gH#f?  
11. Although a lot of effort is being spent on improving these dEz7 @T  
weaknesses, the efficient and effective method has yet to be mGf@J6wGz  
developed. Qyn~Vu43  
12. The pioneer work can be traced to xx [1965]. 9NX/OctFa'  
13. To date, none of the methods developed is perfect and all are far pq<302uBQ  
from ready to be used in commercial systems. }E?{M~"<  
Objective / Goal / Purpose Tnw0S8M  
1. The purpose of the inference engine can be outlined as follows: Y!M&8;>  
2. The ultimate goal of the xx system is to allow the non-experts to |$Y0VC4a  
utilize the existing knowledge in the area of manual handling of loads, =&kd|o/i  
and to provide intelligent, computer-aided instruction for xxx. s@Q, wa(  
3. The paper concerns the development of a xx Gag=GHG  
4. The scope of this research lies in U _QCe+  
5. The main theme of the paper is the application of rule-based JqX+vRY;dd  
decision making. s>i`=[qFc  
6. These objectives are to be met with such thoroughness and (]wd8M  
confidence as to permit ... X- xN<S q  
7. The objectives of the ... operations study are as follows: P5vxQR_*lc  
8. The primary purpose/consideration/objective of az5 $.  
9. The ultimate goal of this concept is to provide (5-4`:1ux  
10. The main objective of such a ... system is to O@$wU9 D<  
11. The aim of this paper is to provide methods to construct such K6C@YY(  
probability distribution. Y|NL #F  
12. In order to achieve these objectives, an xx must meet the @qszwQav$  
following requirements: X>0$zE@0  
13. In order to take advantage of their similarity  3,x|w  
14. more research is still required before final goal of ... can be W7k0!Grrl  
completed m2j&v$  
15. In this trial, the objective is to generate... #osP"~{  
16. for the sake of concentrating on ... research issues L?W F[nF R  
17. A major goal of this report is to extend the utilization of a recently XOk0_[  
developed procedure for the xx. ]HpKDb0+  
g$z9 (i+  
18. For an illustrative purpose, four well-known OR problems are |H.i$8_A  
studied in presence of fuzzy data: xx. R]s\s[B  
19. A major thrust of the paper is to discuss approaches and Nb[zm|.  
strategies for structuring ..methods 2;82*0Y%  
20. This illustration points out the need to specify jbDap i<  
21. The ultimate goal is both descriptive and prescriptive. +{qX,  
22. Chapter 2. Literature Review , W w\C  
23. A wealth of information is to be found in the statistics literature, _kgGz@/p  
for example, regarding xx sHt PO[h  
24. A considerable amount of research has been done .. during the x]1G u  
last decade 'aq9]D_k  
25. A great number of studies report on the treatment of M;14s*g  
uncertainties associated with xx. *@EItj`  
26. There is considerable amount of literature on planning 7tEK&+H`  
27. However, these studies do not provide much attention to {*X8!P7C  
uncertainty in xx. )]\?Yy g]  
28. Since then, the subject has been extensively explored and it is $O+e+Y  
still under investigation as well in methodological aspects as in I3{koI  
concrete applications. ftL>oOz[  
29. Many research studies have been carried out on this topic. I6k S1  
30. Problem of xx draws recently more and more attention of system GaD]qeS-K  
analysis. 86]})H  
31. Attempts to resolve this dilemma have resulted in the r35'U#VMk?  
development of P ~pC /z  
32. Many complex processes unfortunately, do not yield to this nJdO~0}3  
design procedure and have, therefore, not yet been automated. {3jV ,S  
33. Most of the methods developed so far are deterministic and /or h`_@eax  
probabilistic in nature. <@Lw '  
34. The central issue in all these studies is to %LL*V|  
35. The problem of xx has been studied by other investigators, O_f+#K)  
however, these studies have been based upon classical statistical eX+FtN  
approaches. ^kS44pr\Q  
36. Applied ... techniques to yf2I%\p}  
37. Characterized the ... system as $'9b,- e  
_?5$ST@5  
38. Developed an algorithm to +<^TyIJ0  
39. Developed a system called ... which WFOO6 kM z  
40. Uses an iterative algorithm to deduce Esc*+}ck  
41. Emphasized the need to A? =(q  
42. Identifies six key issues surrounding high technology ";)SA,Z  
43. A comprehensive study of the... has been undertaken ~-"<)XPe  
44. Much work has been reported recently in these filed =,*4:TU  
45. Proposed/Presented/State that/Described/Illustrated/ v7"Hvp3w  
Indicated/Has shown / showed/Address/Highlights 1I'ep\`"X  
46. Point out that the problem of ZQd\!K8y^Q  
47. A study on ...was done / developed by [] \"E-z.wW=  
48. Previous work, such as [] and [], deal only with a]-.@^:_i  
49. The approach taken by [] is G8JwY\  
50. The system developed by [] consists WHV]H  
51. A paper relevant to this research was published by [] nUAs:Q  
52. []'s model requires consideration of... -&#H@Gyw  
53. []' model draws attention to evolution in human development w85PRruW  
54. []'s model focuses on... y=L9E?  
55. Little research has been conducted in applying ... to Q~5!c#r  
56. The published information that is relevant to this research... WSdTP$?  
57. This study further shows that =xs{Ov=  
58. Their work is based on the principle of $X.X_  
59. More history of ... can be found in xx et al. [1979]. </K"\EU  
60. Studies have been completed to established [*-DtbE k  
61. The ...studies indicated that 4eSV( u)4  
62. Though application of xx in the filed of xx has proliferated in UuV<#N)  
recent years, effort in analyzing xx, especially xx, is lacking. ar0y8>]3  
Problem / Issue / Question P=)&]Pz  
63. Unfortunately, real-world engineering problems such as |eEcEu?/b  
manufacturing planning do not fit well with this narrowly defined W_zv"c  
model. They tend to span broad activities and require consideration I2@pkVv3z  
of multiple aspects. 2:(h17So  
64. Remedy / solve / alleviate these problems B}= WxG|)  
67. ... is a difficult problem, yet to be adequately resolved J?ljq A}i  
}gE?ms4$  
68. Two major problems have yet to be addressed E%CJM+r!  
69. An unanswered question >Q0HqOq  
70. This problem in essence involves using x to obtain a solution. C<!%V Hs  
71. An additional research issue to be tackled is .... WJG&`PP  
72. Some important issues in developing a ... system are discussed OUY 65K  
73. The three prime issues can be summarized: =K<8X!xUW  
74. The situation leads to the problem of how to determine the ... qb+vptg@I  
75. There have been many attempts to \Rc7$bS2H  
76. It is expected to be serious barrier to qDq gU  
77. It offers a simple solution in a limited domain for a complex kan?2x  
problem. l<7)uO^8  
1. There are several ways to get around this problem. 7` ^]:t  
2. As difficult as it seems to be, xx is by no means new. +DwyMzeE  
3. The problem is to recognize xx from a design representation. d#@N2  
4. A xx problem can trace its roots to xx. e[t+pnRh  
5. xx [1987] used a heuristic approach to simplify the complexity of K!q:A+]  
the problem. 4Fr0/="H  
6. Several problems are associated with them. rC>')`uk  
7. Although some progress has been made in this area, at least two IrU}%ZVV  
major obstacles must be overcome before a fully automated system Wq!n8O1  
can be realized. pq`Bg`c  
8. Most problems in practice are complicated $x&\9CRM  
9. More problem surface here. >pKu G#  
10. Hamper effort toward a xx system {0fQ"))"  
11. In order to overcome the limitations due to incomplete and gk+$CyjJ  
imprecise xx knowledge, a xx program has been developed, which *yGOm i  
bases its knowledge upon the statistical analysis of a sample > m GO08X  
population of xx iw|6w,-)C  
12. The above difficulties are real challenges faced by researchers Ws[[Me, =  
attempting to develop <tZPS`c'_  
13. This type of mapping raises no controversy to the issue of B9;-Blh  
membership function determination. 8S1%;@c  
14. However, attempts to quantify the xx have met both theoretical ET4 C/nb   
and empirical problems. 9k_3=KS3N  
z< ~gv"  
15. It has become apparent that in order to apply this new t@-:e^ v  
methodological framework to real-world problems and data, we have y: @[QhV  
to pay attention to the problems of xx and xx. RaFk/mSw  
Chapter 3. Proposed methodology n$ye:p>`-  
Assumption <,,U>0 ?3  
1. In the case when the assumption of a xx seems to be too /U[Y w)  
restrictive or inadequate, the formulation with Fuzzy termination TL(L[  
time, i.e. given by a fuzzy set in the space of control stages, may be *7hr3x  
applied. %p?u ^rq  
2. We assume here the fuzzy constraints to be state-dependent, and b'fj  
the fuzzy goal to be the same for all the control states, xx, which eRllF` *  
stems from the problem's nature. 8cy#[{u`;  
3. An approach to the solution of this problem is presented under the hQrO8T?2  
assumption that the sampling rate Decision can be made prior to the >G<AyS&z*  
execution of the experiment, as opposed to being made while the @*W,Jm3Y  
experiment is in progress. :Vq gmn  
4. Another assumption made above is that there are precise odds at Ow=`tv$l  
which the expert is indifferent. H@er"boi  
5. Main simplifying assumptions are: NS "hdyA  
6. This, in our view, is a questionable assumption. @AL,@P/9=  
Outline / Structure / Module NG@9 }O  
1. An outline of the research < 2w@5qL  
2. Information is incorporated within the scheme xmZ]mu,,$  
3. Is built into ... structure $@q)IK%FDL  
4. A nice modular structure. 5B| iBS l  
5. The principles of ... are applied as modularized criteria |SXMd'<3`Z  
Classification r: n^U#  
1. A xx system comprises three main components: ]t]s/;9]K  
2. Must decompose the original .. into a set of .. p_ =^E*J]  
3. Consists of the following steps: xtN%v0ZZ  
4. This is summarized in the following steps: J=W"FEXTL7  
HKx2QFB  
5. Can be broadly classified into the following areas: ~h?zK 1  
6. Can be characterized by its function of effectively processing the 9>d$a2 nc  
7. Can allow further breadth of application of ...into more :<Y,^V(  
8. The following steps should be followed LX4S}QXw  
9. xx can be classified by a different ways. C/ow{MxA  
10. Based on the xx, one may classify xx into the following: )Z0pU \  
11. This catalog may change due to wear, breakage, and purchasing. r8+{HknB;  
System hT9fqH  
1. Unlike many conventional program, expert systems do not c3 ]ZU^  
usually deal with problem for which there is clearly a right or wrong Q&^ti)vB  
answer. fb4/LVg'J  
2. The system consists of both ... and ... '>_'gR0O  
3. The system has a hierarchical modular architecture organized on >Rs:Fw|jro  
three levels. eiI}:5~ /g  
4. expert system domains are area of expertise =9FY;9  
5. To develop a xx system for xx, the following factors must be rgdDkWLXC  
considered: )U e9:e  
6. The system has been developed / designed to determine aGx`ec*t  
7. The system has proven to be able to ` *x;&.&v  
8. The domain in which an expert system operates is a particular >%x7-->IB  
domain Wcl@ H @  
9. The system comprises a ... with X0+$pJ60  
10. The system is [feature-oriented ] / based on the ... technique DG}t!  
11. The system environment must be relatively stable 3i=+ [  
12. The system is utilized to generate, load, store, update and [>Z~& cm  
retrieve ... ~~,\BhG?  
13. The development of a xx system has two stages: xx stage and xx Ey A}  
stage. \I1+J9Gl  
14. The most essential part of .. system is the ... v1<3y~'f  
15. The successful developments in ESs have made them an 1|l'oTAA  
important tool in the development of 7RM$%'n \  
16. An automated system was developed for k?3NF:Yy7  
17. In this case, the system can be considered to be generative. f1y3l1/  
L,M=ogdb  
18. An interactive automatic ... system wP8Wx~Q=  
19. A …. is commonly thought of as a truly integrated .. system .z4 fJx  
20. Should be capable of being generated from a ... system n|sP0,$N1  
21. xx is an important part of the integrated system. P!3)-apP\  
22. The model consists of four rule bases, each of which addresses a Pky/fF7e  
separate problem in the hierarchy of scheduling decision. Md mS  
23. The rule bases are linked to each other in a chin-like manner in 5P-7"g ca  
the sense that the consequent of one rule base constitutes a part of _>+!&_h  
the antecedent of the next rule base. $ OB2ZS"  
24. The rule base consists of all possible combinations of the C?m2R(RF  
linguistic terms associated with the linguistic variable of the dU<\ FW_  
antecedent of a rule. 8Y?zxmwn]  
Computer System 88x_}M^Fnl  
1. The system has been implemented using Prolog language in an I ,8   
MS-DOS environment. Prolog was chosen because it offers a well k=!lPIx  
known and flexible environment in which fuzzy reasoning may be W6J%x[>Z  
easily implemented. ZFwUau  
2. The current version of the xx program when compiled with p)v|t/7  
WATFOR77 results in an executable code of about 270K bytes. 'Dw+k;RH  
Typical run time, when run on a XX computer (an IBM compatible n]:Xmi8p  
machine) operating at 4.77 Mhz with 640K RAM, ranges from 10 min z#9Tg"8]  
to 2h, depending on the size (or complexity) of the problem. 3kfrOf.4h  
3. Time consuming procedures have been implemented in 4'u +%6+__  
C-language and directly linked to the Prolog environment. -i93  
4. The xx process, once the xx's data has been entered, requires BV)o F2b:  
approximately 180 seconds. "i>?Tg^  
5. It should be noted that the computation was done with a 20 Hhz, -wn ,7;  
80386..209;based microcomputer equipped with a 80387 math jHjap:i`cI  
co-processor. h;" 9.  
6. The computer programs used for the analyses, one based on the xx D2}N6i  
method and the other based on the new method, were written in g{PEplk  
FORTRAN with a compiler that supports the math co-processor. #<h//<  
7. Lisp, Prolog give maximum flexibility but also maximizes bmCp:6  
Q$,AQyBlqc  
development time. fh%|6k?#M  
l Internal representation is the way a model is represented in the phCItN;  
computer. [G!#y  
l An interactive menu-driven procedure is used in this study ;Aqj$ x  
l Shell can be develop very fast at the cost of time fairly severe i?{)o]i  
limitations. w?#s)z4}g  
l While there is no measurable saving of time for the case involving L(RI4d  
five criteria, the saving is dramatic for the case involving 10 criteria w'uB&z4'  
-- the computation time reduces from 10 hr 40 min to about 1 min. TXL!5, X_  
l This combination is being implemented in an objected-oriented b- 8}TTL>  
programming environment (Smalltalk-80 system) to solve problems njxfBA:  
encountered in construction xxx. i0}f@pCB?X  
Method / Approach / Study / Process Model / Equation /Algorithm / B,S~Idr}  
Rule / Formula / Technique /SW*y@R2l  
l A discussion is presented of a problem-solving system { )g $  
l To improve the efficiency of the method, the following approach 0Sj B&J  
may be applied. q-hREO  
l In order to an investigation was made to find the causes of the jK-b#h.gL  
l Although large collections of rules and equations have been xmNs%  
complied, none are generally accepted c/DK31K  
l This approach will be explained and discussed thoroughly in the *^oL$_Y  
body of the report. i 558&:  
l This can be accomplished by %?hvN  
l This algorithm to compute the total cost can be described step by 6gs0Vm  
step as follows: +)hxYLk&I  
l The above preliminary analysis has provided important "&:H }Jd  
information i!{A7mo  
l Various methods have been proposed for selecting an optimum... Y&<]:)  
l These concepts have been applied to S6g_$ Q7  
l On the basis of the concept mentioned above, W) Ct*I^  
l This can be achieved by VqUCcT  
l This fact suggests that a new concept xa'^:H $X  
l This was accomplished by taking ... R<B5<!+  
< 1%}8t"  
l The preparatory stage is very time consuming process. I_m3|VCa|t  
l Test are performed for validity, completeness, and compatibility [D+,I1u2h  
l There is little hope of achieving successful ... dS8ydG2  
l There has been an increasing awareness of the potential of using {O:{F?  
most ..so far made have not taken this approach, with the exception ;W T<]  
of A`#?Bj   
l Only a few studies can be found. dF[|9%)  
l It is a very tedious process to go through k`;d_eW  
l It is only when .. has been completed that .. may be effected ^TD%l8o6  
l The entire interpretation process is conducted in one's head. BhYvEbt  
l These approaches are sometimes very tedious. ;mYZ@g%e  
l Several techniques can be used ?YMBZ   
l A polynomial parametric model can be written as [the @t a:9wZ  
following]/[follows]: E~#G_opQA  
l A xx model is constructed/formulated using xx. P-a8S*RRa  
l A xx model represents an xx by its xx. a4.w2GR  
l A process decision model captures the logic essential to rFGPS%STS  
l From the equation above, xx is equal to the summation of xx Ph%{h"  
times the ... 'pT13RFD  
l The validity of a xx model can be checked using Euler's formula. Yn[>Y)  
l Given a model, one can mathematically determine whether ... or ... |gWA'O0S  
l Equations for xx need to be derived and implemented in the 4/%fpU2  
system. nw\C+1F  
l A number of heuristic rules have been developed for %*szB$ [3  
l Optimum .. techniques can be made more reliable by ... so that `Th~r&GvF  
l An algorithm based on the characteristic ... is used to determine OX'V  
l Euler's formula states the following: 2Mk;r*FT  
l The completed model should agree with the formula. bZ1*:k2  
l For manufacturing purposes, a detailed and precise model of the .;Mb4" 7=  
object is necessary xxyc^\$  
l Engineering design models are very well defined; therefore,  A yr ,  
l To keep the domain narrow enough to be implementable, yet wide E a&NJ]& g  
enough to Pc*lHoVL  
be useful. c+&Kq.~K  
_]33Ht9  
Point of View (D%vN&F  
l from an implementation standpoint, L /:^;j`c  
l From the point of view of this application, NuPlrCy;  
l From this point of view, Zadeh suggested an inference rule named AwXzI;F^  
xxx (CRI for short). C 2nmSXV  
l Information is the meaningful interpretation and correlation of ]}PXN1(  
some aggregation of data in order to allow one to make decisions. iphC\*F  
l From a practical point of view, the computational aspects of an !p/SX>NJ  
FLC require a simplification of the fuzzy control algorithm. COsmVQ.  
l The use of a hammer to insert screws, although partly effective, ~9 .=t'  
tends to distort, destroy, and generally defeat the purpose of using a SFRP ?s  
screw [Kusiak AI Implications for CIM p.129] 1R3,Z8j'  
Justification tu<<pR>  
l We choose the so called xx in our experiment because it has a51e~mg Z`  
received wide acceptance and can L4Zt4Yuw  
l Prolog was chosen because it offers a well known and flexible mP&\?  
environment in which fuzzy reasoning may be easily implemented. B;ek a[xU  
l The rationale behind this is that it can be much easier for an l<w7 \a6  
estimator to rate a cost as high than to attempt to place a dollar 5aizWz  
value on the estimate. z^U+ oG  
l This strategy has been widely used in fuzzy control applications e?.j8 Q ~  
since it is natural and easy to implement. =}#yi<Lt  
l A function definition expresses the membership function of a {lWVH  
fuzzy set in a functional form, typically a bell-shaped function, etc. uVUU1@  
Such functions are used in FLC because they lead themselves to VIz(@  
manipulation through the use of fuzzy arithmetic. M !'d  
l It should be noted that in our daily life most of the information on gSwV:hm  
which our decisions are based is linguistic rather than numerical in w\acgQ^%e  
nature. Seen in this perspective, fuzzy control rules provide a natural a2B71RT~  
framework for the characterization of human behavior and decisions 6?F88;L  
analysis. 3_)I &RM  
l Many experts have found that fuzzy control rules provide a UON=7}=$&  
%PYO9:n  
convenient way to express their domain knowledge. This explains ;|WUbc6&g  
why most FLCs are based on the knowledge and experience which p qz~9y~  
are expressed in the language of fuzzy "if-the" rule. gS~H1Ro  
Chapter 4. Examples @}H u)HO  
Example/ Data oRCc8&  
l The data used in the following example was taken from an 'IX1WS&\"  
experiment in which xx was measured between x and x using a xx 9,'m,2%W  
technique. $Aw@xC^!  
l The data consists of over xx measurements. ]? 4;Lw  
l An example of xx is discussed and the control rules of xx are 2'?'dfj  
compared with a xx Q]K` p(  
l Examples of complex processes to which this technique may be &IQ=M.!r  
applied are xx, xx, etc. P+j=]Yg  
l The following example is constructed only for the purpose of I1fpX |  
illustrating the computational procedure discussed. /Sj~lHh  
l This example clearly demonstrates that the profile of an individual 8 ??-H0P  
xx, or a very small group of xx, with no enough data to be studied vN{@c(=g  
statistically, can be meaningfully analyzed by fuzzy possibilistic xG/Q%A  
methods. 4f\NtQ)  
l There is no space here to go into detail on all these methods, but m8fj\, X  
deserve a mention and the bibliography will point to detailed 2$Mnwxfk  
references for those wishing this level of detail. UGPDwgq\v  
l Note that the golf ball spotting example is used throughout the $.jG O!  
paper. iqDyE*a  
Comparisons <K[y~9u  
l As well, the pros and cons of these representations from a process V9oBSP'kt  
planning point of view will be discussed. @N Yl4N  
l The method of using xx to implement xx described by Zadeh *9j' @2!M  
(1973) appeared more suitable jaoZ}}V_$  
l As discussed [in the previous section]/[preciously], O@Aazc5K  
L )JB^cxf  
Relation egq,)6>  
l We can not invert F' directly because it defines a many-to-one &nm Bsl3Q.  
mapping. <j'K7We/tP  
l The relationships appear very complicate 9kD#'BxC  
l Lifting tasks involve complex and imprecise relationship between R (f:UC  
the task variables and the human operator's characteristics. UXct+l  
l These methods are based on the relationship between ... and ... d7V/#34  
l The fundamental concept of a fuzzy rating language is that we can xG sOnY;  
establish a relationship among terms such as high, medium, and low, (ks>F=vk*  
and then modify these relationships. -gs I:-Xo  
l This article will thus mention the latter as well as the former. wC{sP"D  
l The former two bear a close relation to a fuzzy Cartesian product. NN4Z:6W5  
Importance s$#64"F  
l The emphasis is on an implementation of a general approach to M XG>|  
rule based decision making. $wM..ee  
Consideration / Attention 1clzDwW  
l Careful evaluation is necessary to ensure =IL\T8y09  
l Such a formulation does not change further considerations. 5HbHJ.|r  
l Considerable attention has been paid to }U7IMONU  
l Attention should be paid to an important finding of this .B`$hxl*0c  
investigation. ?nc:bC  
l Caution should be exercised in this process to avoid ... n{QyqI  
l Primary consideration is given to ... components, though others mP^B2"|q  
can be accommodated J `5VE$2M  
l After ... has been defined by ..., a carefully analysis is carried E3wpC#[Q1  
out/performed to determine 7@{%S~TN  
l A number of factors such as ...need to be taken into consideration b()8l'x_|K  
before making the appropriate decision. | lLe^FM  
l It should be noted that = o(}=T>:"  
l It is important to point out that ... EeYL~ORdi  
l These considerations have heightened interest in the possibility of l4RqQ+[KA;  
providing ... F>.y>h  
n~0wq(8M  
l We should stress the fundamental importance of the xx o*$KiD  
Chapter 5. Results. Jz''UJY/O  
Advantages / Disadvantage 6O/L~Z*t  
l One of the major advantages of this new measure of xx is that it M.H!dZ  
can be applied to the experimental study of oN}\bK  
l One advantage of using a .. is the ease of preparing it. }e7/F[c.U  
l The xx system is versatile 54z`KX 73  
l It has a very fast decision making process }<G a e5  
l All the algorithms involve mostly logical operations. `pbCPa{Y  
l It can be easily and without additional cost implemented in a 0faf4LzU!  
microprocessor-based environment. z\v  
l It can reduce the waste of designing from scratch. dtuCA"D  
l The advantages of using a xx to represent xx are the following: ,GWa3.&.d  
l However, xx is not without its shortcomings. t_^cqEr  
l In most cases, the xxx shows an improvement over the existing @%g:'^/  
xxx. v 0r:qku  
l Compared to the existing xx, the impacts of the xx are generally ]oix))'n  
reduced by 5% to 9%. ^Ip\`2^u  
l The "best case" results shows a savings of 6% to 9%. p !DdX  
l Most of the existing works based on xx approach can only q|YnNk>1  
recognize a xx . |vi=h2*  
l Most of the above methods are computational expansive and -0(+a$P7e  
limited to xx. "j%Gr :a  
l Some other advantages of xx are the following: 34k(:]56|  
l The problem is the limitation of this method to a limited domain of b0f6?s  
parts. SFWS<H(IN  
l It proved limited in application because it demanded precision in MXVCu"g%  
system modeling that was impossible in practice. $xvwnbq#y  
l There are advantages to be gained in the structuring of costs and R "W=V  
benefits, the use of xx, !G;BYr>X  
l The disadvantages of this method are also disadvantages of 0Q%I[f8  
conventional xx approaches. ke*&*mx"L  
n\JSt}A  
l This combines the best features of both techniques <y-2ovw*  
l Hopefully, this tool can be as the reference framework of for wj$3 L3  
developing a xx platform, and helping the administration, marketing, w4y ???90)  
and knowledge management activities in virtual communities. O6-"q+H)  
Results NnZ_x>R  
l An improvement on the result shown above can be made by based pv|D{39Hs  
on the data provided (>D{"}  
l Discussion of these theories is beyond the scope of this review !Je!;mEvI  
l Based on the information contained in this 5tb i};  
l The result can be categorized into nine classes @(st![i +  
l The results are illustrated by an example )N ^g0 L  
l The experimental results for each xx time are reported in Table 2. p t{/|P  
l From the results obtained so far, it seem that jK=-L#hz  
l Because of the inaccuracy of the ..., a conclusion cannot be drawn `4]-B@ 7_  
as +>h'^/rAE  
l Although much effort has been made to., this reality is far from p)Q='  
completion. }WkR-5N  
l The results indicate that the total benefits are higher than the o2(*5*b!@e  
total costs. -,xsUw4  
l Their results may then serve as guidelines for lower level models, Ps MCs|*  
less fuzzy and more detailed. h "r)z6Q/  
Chapter 6. Conclusion ~_L_un.R  
l From the discussion, one may conclude that ... Q,f5r%A.  
l Form the above discussion, the conclusion can be reached that *$ 7c||J7  
l The conclusions drawn are also valid UG9 Ha  
l In conclusion to this, it becomes obvious that the problem of xx |N>TPK&Xt  
lies not only in... Hq$?-%4  
l We have attempted to introduce some concepts associated with a [<{+tAdn)  
theory of Vz&!N/0i  
xx based on fuzzy sets. {*PB+WGe  
l Considerable more work, hopefully, will be done in this area )Wm:Ilq  
l A fuzzy set procedure is proposed to solve xx selection problems rfMzHY}%  
Ey;uaqt  
interwoven with imprecise data 13P8Zmco  
l Employing the compositional rule of inference, the assessment of "h}miVArS  
the xx compatibility in achieving prescribed xx projectiles in any ;HeUD5Nt6F  
level of the hierarchy is made possible. * 7 o(  
l This paper has presented a theoretical and experimental study of wGf SVA-q\  
the xx process and xx concept. Xj<B!Wn*Xb  
l The experimental research results will hopefully serve as useful v [ 4J0  
feedback information for improvements for xx work. _YW1Mk1  
l The scope of this contribution was to introduce a xx method. ^J]~&.l  
l In general, fuzzy sets theory provides an alternative foundation Rx 4 ;X  
for xx analysis in a fuzzy environment. V1j5jjck  
Future Research 58Fan*fO  
l Thus, first extension of the approach could be, $;dSM<r  
l Present some cues for a further approach from Fuzzy Sets Theory k/yoRv%  
application to >8nRP%r[5,  
l Some improvements to the scheduling aspect of the model may x%JtI'sg  
be brought through additional levels in the hierarchy for more {(#>%f+|C  
detailed representation of the scheduling activity. RAQi&?Ko  
Tables and Figures 8rXu^  
l Figure 7-1 sketches these relationships. ~ b ;%J:  
l The graphical representation of these functions is shown in Figure +tNu8M@xFo  
1. kmm1b (  
l The xx may be depicted as in Figure 1. LuB-9[^<  
l Figure x shows the schematic diagram of the S3u>a\  
l Figure 1 though 2 provide a ... that ;aip1Df  
l the architecture of this expert system for .... is illustrated in Figure MkG3TODfHB  
2. s HSZIkB-r  
l Figure 2 gives the outline of an ... system D}wM$B@S  
l Table shows the vJT %ET  
l as shown in Table 1 and 2 YT6<1-E#  
l This concept is illustrated in Figure 2 #N?EPV$  
l At the top of Table xx are shown two blocks of data. lz?F ,].  
Rdd[b?  
l Each table or matrix has constructs xx through xx as #`rvL6W q}  
row-headings, UW*[)yw]  
xx through xx as column-headings. qr[H0f]  
l A table of .. is developed and significant recommendations are sXdNlR&  
made. 9pD=E>4?#  
CONJUGATION qh!2dj  
To Indicate Addition ^b=9{. 5  
l additionally, again, also, and then, as can be easily understood, /(Se:jH$>  
besides, equally important, especially, finally, for the same reason, /l-lkG5  
first, further, furthermore, in addition, last, likewise, moreover, next, YoV^Y&:9<  
second, third, too, evidently, obviously, roughly speaking, broadly JyY-@GF  
speaking h0ufl.N_%  
To Indicate Cause and Effect :|3n`,  
l accordingly, as a result, consequently, for this reason, hence, in t(YrF,  
short, otherwise, then, therefore, thus, truly  ~{7/v  
To indicate Comparison k XGJZ$  
l in a like manner, likewise, similarly , alternatively j3`# v3  
To Indicate Concession \^O#)&5 V  
l after all, although this may be true, at the same time, even though, m%Ah]x;  
even so , I admit, naturally, of course Ff xf!zS  
To Indicate Contrast  II;fBcXF  
l and yet, at the same time, but, for all that, however, yet, in fact, in w8$rt  
contrast, in the real life, in spite of, nevertheless, notwithstanding, ZPHiR4fQli  
normally, on the contrary, on the other hand, still, traditionally, n#,<- Rb-  
rather, unfortunately, wLyQ <[$  
To Indicate Time Relationships: 9aYDi)  
after a short time, afterwards, as indicated earlier, as long as, as soon [J4 Aig   
T~B'- >O  
as, at last, at length, at the moment, at that time, at the same time, > <cK  
before, earlier, currently, immediately, in the meantime, in recent jx_n$D  
years, lately, later, meanwhile, often, of late, presently, recently, xlQl1lOX  
soon, shortly, since, thereupon, temporarily, therefore, until, when, Ul@ Jg    
while E[N5vG<  
To Indicate Special Features or Examples: NPjh2 AJm  
for example, for instance, incidentally, indeed, in fact, in other words, XEd|<+P1  
in particular, in practice, specifically, that is, to illustrate, in this *Jd,8B/hC  
respect, theoretically, as mentioned before / above CS[[TzC=5  
To Indicate Summary: S,&tKDJn  
in brief, in conclusion, in short, in summary, on the whole, to V&)lS Qw  
conclude }T !2IaAB  
, in general, to summarize, to sum up, as a result, ultimately, xgl~4  
VERB PHASE q7id?F}3&  
l build a .. model A/ kRw'6  
l build up the key link z?C;z7eT  
l began a new era in ... J:M)gh~#  
l can be regarded as / achieved / used to/for / found / obtained TF %8pIg>Z  
through rV LUT  
l can result in -BWkPq!  
l carries out ... tasks s }P-4Sg  
l production information in order to simultaneously ,Mwyk1:xix  
l contains all information necessary to describe ?L|Jc_E  
l do not make use of production information \Fh k>  
l deals with 51oZ w%os=  
l end with failure Gmcx#?|Tx  
l fetch the information from the model directly K7&A^$`  
l has great potential / yet to be resolved / spurred the )=\W sQ  
development of / 7pNTCZ Y|  
been recognized as +4emkDTdR  
l BE aimed at / built up / carried out by / essentially concerned YWA:741  
R6 w K'  
with / considered to be the key technology / associated with each H[%F o  
feature of a compo &/ lJ7=Nq  
site component / cable of / currently implemented for / pj,.RcH@o  
demonstrated by an example / finally reached / made equal to / JbYv <  
equivalent to / more suitable to / oriented to / interpreted as / {+[~;ISL  
pointed out / potentially of great benefit in the complex task of / uPe4Rr  
shown in / used to effectively guide the search ~4Is   
l makes use of fiTMS:  
l make up HSx~Fs^J  
l meets the needs of real life production,/ the current demands  e4NT  
placed upon it =!xeki]|9  
l must be justified 8aG Z% UI  
l point out R_*b<~[/  
l play an important role c%)uG _  
l relates to &RXd1>|c2  
l rely on k`js~/Xv  
l satisfy the needs )T#;1qNB  
l determine the total requirements for the ... c i7;v9  
l uses ... as a key to search for... U=XaI%ZM)  
l without relying on P0Na<)\'Y!  
l will be available/ performed/ overlooked G"MpA[a_  
NOUN PHASE Kggf!\MR8  
l a basic technical function of XoSjYG(>,  
l a critical need vyV n5s  
l a key / principle feature of $},:z]%D  
l a substantial impact on zx-+u7qKH  
l an intensive review was conducted g8XGZW!  
l an increasing need for expanding the application of .... T<54qe4`p  
l an important component / function / aspect / issue DHt 8 f  
l each rule is numbered in sequence uc Z(D|a   
l each of these involves CG9X3%xO%  
l for this calculation, it is necessary to define *BXtE8 BU  
l in the physical environment / integration of v/+dx/  
HC{|D>x.  
l in the reality of situations where … --.j&w  
l many aspects of $:u,6|QsS=  
l most past efforts have been spent on ... pDkT_6Q  
l common sense to a well studied and documented technical field. )lw7 W9  
l sources of additional information on ... are listed mApn(&  
l systematic and rationally structured format Qmn5umd=?\  
l the basis on which a range of ...operations can be established is Km,tfM5j  
shown <;=Y4$y[  
l THE basic philosophy / principles of / key element / general uTl:u  
hypothesis / candidate list of / concept of ... has attracted wide J$e.$ah;  
interest / function is concerned with / heart / impact / nature / role $,aU"'D  
/ task of / kernel functions |Y'$+[TE  
l the number of parts needed to >^-[Mpa(*  
l the above statement means that k2t?e:)3zr  
l the output data is passed to :W1,s53  
l the proposed method / underlying principle /t>o -  
l the recommendations made in this report, if implemented, should L//sJe  
l this information resides in k oHY AF  
l this process is composed of ... different ... operation _O!D*=I  
l along with the use of :.35pp,0  
l concerning general aspects of rq F PUp  
l due to QIV<!S O  
l for later use in generating..., z!3Z^d`  
l in turn, ! 4oIx`  
l IT IS believed / noted / assumed / suggested / shown / quite 9Np0<e3p  
evident / appears / implies that / intended for / of no important to vlPE8U =  
l it can be claimed/concluded that ttsB'|p s  
l it demonstrates the decisions required of ?s?uoZ /2  
l it also provides information to .. E{fnh50^Q.  
l it becomes essential to @[FFYVru  
l let ... be the probability that >|'6J!Op  
l once... is written, it is compiled into... RyhR#  
l suppose it is observed that PR'FSTg  
l this is because ?Tl@e   
+[qkG. O  
l this results in a u!-eP7;7  
l upon completion of the ... analysis, <+b:  
l when the knowledge is of mathematics or quantum physics, it will %nCUct@c  
also be 2"MI8EK  
recorded in books and papers kp6x6%{K\  
l selection of rules for using the tools, for generating operation #NE^f2  
plans, .Ep3~9TB W  
is another matter of preference, since practice varies greatly. Y{yr-E #~M  
l for the sake of convenience sXa8(xc  
l correct decision to be reach E\zhxiI  
l keeping the number of rules to a minimum. L)+ eM&W  
l a good process plan will result exhibiting several characteristics: bGJUu#  
l practical solutions Imw x~eo  
l because of rather small job lot sizes Vj]kJ,j\ y  
l Backward reasoning can be used to answer the question "should mr1}e VM~!  
milling tool be select" different level of knowledge in the realm of z3C^L  
process planning
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沙发  发表于: 2007-11-14   
Very useful, thank u!
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