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Tài liệu Computational Intelligence In Manufacturing Handbook P1 docx
... Theories, Architectures and Languages, Amsterdam, 1-32 Yano H., Akashi T., Matsuoka N., Nakanishi K., Takata O and Horinouchi N., (1997), An expert system to assist automatic remeshing in rigid plastic ... Nearchou A C and Aspragathos N A. , (1997), A genetic path planning algorithm for redundant articulated robots, Robotica, 15(2), 213-224 Peers S M C., Tang M X and Dharmavasan S., (1994), A knowledge-based ... driven GOAL STACK Goal : Satisfied G1 - A lathe requires a power source ? G2 - A lathe is power driven ? G3 - A lathe is a machine tool ? KNOWLEDGE BASE (Final State) Fact : F1 - A lathe is a machine...
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Computational Intelligence In Manufacturing Handbook P3
... {a1 ,a3 } {a2 ,a6 } {a1 ,a3 ,a5 } {a4 } {a3 ,a5 } {a7 } Clusters: {a1 ,a3 } {a2 ,a6 } {a1 ,a3 ,a5 } {a4 ,a7 } {a3 ,a5 } Clusters: {a1 ,a3 ,a7 } {a2 ,a6 } {a1 ,a3 ,a5 } {a4 ,a7 } {a3 ,a5 } {a1 ,a4 ,a7 } Clusters: {a1 ,a3 ,a7 } {a2 ,a6 } ... LLC Clusters: {a1 } {a2 ,a5 } {a3 } {a4 } {a6 } {a7 } Clusters: {a1 } {a2 ,a5 } {a3 ,a6 } {a4 } {a7 } Clusters: {a1 } {a2 ,a5 } {a3 ,a6 ,a7 } {a4 } Clusters: {a1 ,a3 ,a6 ,a7 } {a2 ,a5 } {a4 } # Characteristic matrix (α = 0.5402) ... Clusters: {a1 } {a2 ,a5 } {a3 ,a6 ,a7 } {a4 } {a3 ,a6 } {a3 ,a7 } Clusters: {a1 ,a3 } {a2 ,a5 } {a1 ,a3 ,a6 ,a7 } {a4 } {a3 ,a6 } {a3 ,a7 } • Partitions generated by the similarity relation ᏽ: # Characteristic matrix Clusters:...
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Computational Intelligence In Manufacturing Handbook P5
... pairwise comparison is referred to as an interval pairwise comparison or simply interval judgment [Saaty and Vargas 1987; Arbel 1989; Arbel and Vargas 1993] A reciprocal matrix of pairwise comparisons ... decision-making approach to evaluating the traditional facilities layout planning and fuzzy facilities layout planning leads to better results than the other approaches O’Keefe and Rao [1992], Grabot and ... rate of all alternative operations JARj = job allocation rate of operation j MINJR = minimum job allocation rate of all alternative operations Suppose the job allocation rate for q1 and q2 are $0.6/min...
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Computational Intelligence In Manufacturing Handbook P4
... SOFM Interactive Activation Unsupervised Learning Competitive Learning Hopfield Application Area Back-Propagation Supervised Learning Block Diagonalization Jamal [1993] Malave & Ramachandran [1991] ... network architectures 4.2 Artificial Neural Networks Artificial neural networks have emerged in recent years as a major means for pattern recognition, and it is this particular capability that has made ... Design and Manufacturing Features Facilitate Classification and Coding Kaparthi & Suresh [1991] Design Retrieval Systems Kamarthi et al [1990] Venugopal & Narendran [1992] Part Family Formation Kao...
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Computational Intelligence In Manufacturing Handbook P7
... Venugopal and Narendran, 1992) The ART model is a class of unsupervised as well as adaptive neural networks In response to both analog and binary input patterns, fuzzy ART incorporates an important ... industry-size problems are applied (Bahrami and Dagli, 1993; Burke and Kamal, 1992) Mathematically, we can view a feature library as a universe of discourse Let R be a binary fuzzy relation in ψ × ψ ... Allada, V and S Anand, (1995) Feature-based modelling approaches for integrated manufacturing: stateof-the-art survey and future research directions, International Journal of Computer Integrated...
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Computational Intelligence In Manufacturing Handbook P6
... operation, and machine capacity or machine availability There are also some constraints that should be considered while designing a cellular manufacturing system, such as minimum and/or maximum ... diagonal MCS matrix, parts are then rearranged to produce maximum parts’ similarity between any adjacent parts in the final machine–component matrix using the genetic algorithm The GA simulation ... only robust and able to handle large-scale problems, but also parallel in nature, and hence can reduce computational time significantly Another advantage of the genetic algorithm is that it is independent...
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Computational Intelligence In Manufacturing Handbook P9
... features A and B, machining either one first may partially create the other If machining A has a larger material removal rate (e.g., an endmall cutter with a larger diameter) than machining B, A ... machine have different part orientations Generally, when a part is placed on a machine table, a TAD along which an OPM approaches a feature dictates the orientation of the part Therefore, TADs are ... routing and sequencing for obtaining a globally optimal process plan for a machined part (prismatic) A GA and a SA-based algorithm have been developed to search for the globally optimal solution based...
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Computational Intelligence In Manufacturing Handbook P8
... conventional mathematical programming methods A genetic algorithm and a tabu search algorithm were proposed for finding an optimal solution A search technique for generating a feasible initial population ... ijl has multiple indices For a five-operation example performed on a 2-MU, 2-WL parallel machine, given that both MUs and one WL are available for each operation, there are 50 ϫ ϭ 150 variables ... Optimal Planning and Sequencing of Parallel Machining Operations Yuan-Shin Leeء North Carolina State University Nan-Chieh Chiu North Carolina State University Shu-Cherng Fang North Carolina State...
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Computational Intelligence In Manufacturing Handbook P12
... widely accepted approach is based on an experimental trial-and-error method that uses heuristics of human operators rather than a mathematically based algorithm In this case, human operators design ... and locations of the cluster to yield an accurate classification The primary advantage of this classifier is that it can alleviate the effort needed to collect input data by requiring a small amount ... distance, and the Bayes approach This topic will be revisited in detail There are several important factors that affect classification accuracy, including the distribution characteristics of data...
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Computational Intelligence In Manufacturing Handbook P11
... conventional methods The sand-cast cavities have rough and irregular surfaces that retard air flow, particularly at the passage walls This imperfect finish has a significant detrimental impact on the ... are as follows: • • • • • • • Average air flow rate before AFM Average hydraulic extrusion pressure Median of media flow rate Range of media temperature Range of part temperature Standard deviation ... These validation methods are more appealing than the traditional data splitting approach, especially when the data are sparse They allow the construction of the network based upon the entire data...
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Computational Intelligence In Manufacturing Handbook P10
... population size was fixed as 50, maximum generation was fixed as 200; for the case of local search-based mutation, population size was fixed as 20, maximum generation was fixed as 100 For each case, ... LLC and a weight Each job can be processed by at most one machine at a time, while each machine can process at most one job at a time Each finished job will free a machine and leave the system A ... the case where only the swap mutation was used and in Figure 10.11 for the case where only the local search-based mutation was used It is easy to see that the local search-based mutation has a significant...
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Tài liệu Computational Intelligence In Manufacturing Handbook P19 doc
... IF( A1 =1)&( A3 =2)&( A0 =1)&( A1 =1)&( A4 =1)&( A0 =1)&( A1 =1)&( A0 =2)&( A1 =1)&( A1 =1)&( A6 =1) THEN Machine State=1 A6 =1) THEN Machine State=1 A1 =1)&( A6 =1) THEN Machine A5 =2) THEN Machine State=1 A6 =1) ... State=1 A0 =1)&( A1 =1)&( A3 =2) THEN Machine State=1 A0 =1)&( A3 =2)&( A4 =2)&( A6 =1) THEN Machine State=1 A3 =2)&( A5 =3)&( A6 =1) THEN Machine State=1 A3 =1)&( A4 =1)&( A6 =1) THEN Machine State=1 A1 =1)&( ... Machine State=1 A0 =2)&( A3 =2)&( A5 =2) THEN Machine State=1 A1 =1)&( A3 =2)&( A4 =2)&( A5 =1) THEN Machine State=1 A0 =2)&( A1 =1)&( A5 =2) THEN Machine State=1 A4 =1)&( A5 =2)&( A6 =1) THEN Machine State=1...
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Tài liệu Computational Intelligence In Manufacturing Handbook P18 pdf
... etc A QC can be mathematically defined as a random variable, which is a function that takes values from a population or distribution Denote a QC as random variable x If a population Ω only contains ... variation change Notice that SPC charts are designed to detect assignable causes of variation as indicated by mean or standard deviation shifts and at the same time tolerate the chance variation as shown ... statistical control charts for monitoring process variance changes Johnson and Leone (196 2a, 1962b) and Page (1963) later proposed CUSUM charts based on sample variance and sample range As an alternative,...
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Tài liệu Computational Intelligence In Manufacturing Handbook P17 doc
... approaches to physical experimentation for parameter design include (i) orthogonal array approaches, and (ii) traditional factorial and fractional factorial design approaches The orthogonal array ... orthogonal array approaches are promoted extensively by Taguchi and his followers, and the traditional factorial and fractional factorial design approaches are normally favored by the statistical community ... uncontrollable parameters (note that the word parameter is equivalent to the word factor or variable normally used in parameter design literature) Controllable Parameters: These are parameters that can...
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Tài liệu Computational Intelligence In Manufacturing Handbook P16 pptx
... 32 Vibration data Revolution data FIGURE 16.6 Vibration and rotation signals flexible testing data set (Table 16.1) Therefore, a total of 128 pieces of data were used to evaluate the accuracy of ... percentage deviation (φi) of each testing sample, given as: φi = Ra i′ – Ra i~M , × 100%, Ra i′ Equation (16.28) where φi = percentage deviation of single sample data Ra i′ = actual Ra measured by a ... Workpiece A/ D Board FIGURE 16.3 Experimental setup A computer program was written in C language that allowed the collection of the two kinds of data transformed from analog to digital signals by an A/ D...
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Tài liệu Computational Intelligence In Manufacturing Handbook P15 pdf
... The AE signal is usually detected by transducers, then amplified and transmitted to counter, RMS voltmeter, spectrum analysis, etc Among various approaches taken to analyze AE signals, spectral analysis ... Wavelet Packet Transforms Wavelet packets are particular linear combinations of wavelets They form bases that retain many of the orthogonality, smoothness, and location properties of their parent ... oversee the machining operations Among machine process variables monitored, tool wear plays a critical role in dictating the dimensional accuracy of the workpiece and guaranteeing the automatic cutting...
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Tài liệu Computational Intelligence In Manufacturing Handbook P14 doc
... A) = 0.3, m(S (A, C, D) / A) = 0.2, Find the one-step transition probability P (A A) , P (A B), P (A C), and P (A D), as well as the limit transition probability P∞ (A A) , P∞ (A B), P∞ (A C), and P∞ (A D) ... smax and smin Then, the learning samples can be organized as shown in Table 14.3 Note that each transition step may contain several samples or no sample from a certain learning set For each transition ... reveals that many slight tool wear samples are classified as normal and many severe tool wear samples are classified as either medium tool wear or tool breakage As pointed ©2001 CRC Press LLC TABLE...
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Tài liệu Computational Intelligence In Manufacturing Handbook P13 docx
... epitaxy Their strategy was based on modeling the spatial variation of deposition rate on a particular facet of the reactor The hypothesis that motivated this work was that spatial variation, as ... for summary statistical data had the advantage that the mean and standard deviation of the time series could be expected to exhibit less noise than the raw data For example, a model was derived ... 13.6.1.3 Pattern Recognition Approach Bhatikar and Mahajan [1999] have used a neural-network-based pattern recognition approach to identify and diagnosis malfunctions in a CVD barrel reactor used...
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Tài liệu Computational Intelligence In Manufacturing Handbook P2 docx
... possess a good generalization capability Large-scale systems that contain a large number of variables and complex systems where little analytical knowledge is available are good candidates for the applications ... Dagli and Huggahalli /ART (1993) Liao and Chen /ART (1993) Jamal /BP (1993) Liao and Lee /ART (1994) Chen and Cheng /ART (1995) Burke and Kamal /ART (1995) Chang and Tsai /ART (1997) Euke et al ... Eberts and Nof /BP (1993) Kapp and Wang /BP (1992) Chen and Pao /ART (1993) Shu and Shin /SOM (1996) Rangwala et al /BP (1989) Sathyanavayan et al /BP (1992) Matsamara et al /BP (1993) Wang /BP...
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Application of computational intelligence for faulty detection and diagnosis of induction motors and electromechanical systems
... motors and electromechanical systems, analyzing vibration data features and studying and comparing related algorithm, and targeting at a robust and highly accurate fault classification In addition ... Table 6.2.1 Accuracy of fault classification using SVM (%) 71 Table A. 1 -a) 12k drive-end bearing-fault data 82 Table A. 1-b) 48k drive-end bearing-fault data 83 Table A. 1-c) ... Envelope Analysis is the envelope of the absolute value of signatures, extract modulated signals, and analyze the changes of the modulation function, which greatly advantage extraction of fault characteristic...
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