Tài liệu Computer-Aided Design Engineering and Manufacturing P4 ppt

... identification, and estimation. Monitoring and diagnosing play a very important role in modern manufacturing. This is because manufacturing processes are becoming increasingly complicated and machines ... 14.3 Monitoring and Diagnosing Manufacturing Processes Using Fuzzy Sets 14.3.1 Using Fuzzy Systems to Describe the State of a Manufacturing Process For monitoring and diagn...

Ngày tải lên: 13/12/2013, 01:15

... attribute A1,A2,A3,…, An, AND there is manufacturing time T and cost M, THEN process P of capabilities C1,C2,C3,…,Cm, AND processing time Tp and cost Mp is used. where Tp T and Mp M.ՅՅ © 2001 by ... bottleneck is the acquisition and representation of process planning knowledge from design and manufacturing. An immediate task is to provide CAD modelling functions and tools...

Ngày tải lên: 13/12/2013, 01:15

... decision cycles design- feedback-choice and setting-testing-fitting closed for product and process. Improvements are related to innovations in computer-integrated manufacturing and engineering (CIME), ... model, simulate, animate, and analyse processes in manufacturing and material handling. The code can be exploited to support investment decision, to verify design of manuf...

Ngày tải lên: 13/12/2013, 01:15

... 0 and σ o = 1 and δ = 0, ±1, ±2, ±3, and ±4. These observations were fed directly to the network and trained by a standard backpropagation algorithm to achieve a desired output between –1 and ... 18.1 and ρ is the variance shift magnitude in σ as defined in Table 18.3. TABLE 18.6 Comparisons between C-NN and Acosta’s CUSUM and EWMA (a) Comparisons between C-NN and Acosta’s C...

Ngày tải lên: 22/12/2013, 21:18

... Technologies Relevant to On-Line Parameter Design 17.3 Design of Quality Controllers for On-Line Parameter Design 17.4 Case Study: Plasma Etching Process Modeling and On-Line Parameter Design 17.5 Conclusion ... is relatively standard, and consists of three operations [Liepins and Hilliard, 1989]: (i) evaluation of individual fitness, (ii) formation of a gene pool, and (iii...

Ngày tải lên: 22/12/2013, 21:18

... weight matrix W_xh and W_hy , and the bias vector θ_ h and θ_ y . Step 3: Load the input vector X of a testing example. Step 4: Calculate and infer the actual output ... based on machine capabilities and the nature of the material composition of both the workpiece and end mill. FIGURE 16.3 Experimental setup. VM DESIGNER: Wei-Liang DESIGNER: Wei-Lian...

Ngày tải lên: 22/12/2013, 21:18

... as computer integrated manufacturing (CIM) and flexible manufacturing systems (FMS). However, many manufacturing processes involve some aspects of metal cutting operations. The most crucial and deter- mining ... and the estimated value of the spindle and feed current, namely, S i and F i (i = 1, 2, . . . , 6) are outputted. Second, the spindle and feed current detected are p...

Ngày tải lên: 22/12/2013, 21:18

... the control and modi®cation of extended services and are only usable in connection with a telecommuni- cation service. 4 Figure 4.1: Bearer and teleservices GSM Switching, Services and Protocols: ... network and processes them in a store -and- forward mode. The interface has not been speci®ed and can be by DTMF signaling, special order, email, fax, etc. The delivery can be time-sh...

Ngày tải lên: 23/12/2013, 17:15

... network and processes them in a store -and- forward mode. The interface has not been speci®ed and can be by DTMF signaling, special order, email, fax, etc. The delivery can be time-shifted and is ... the control and modi®cation of extended services and are only usable in connection with a telecommuni- cation service. 4 Figure 4.1: Bearer and teleservices GSM Switching, Services a...

Ngày tải lên: 26/01/2014, 12:20

... top-down design and how it is used to organize a design and speed up the development time. • Comprehend how FPGA and CPLD architecture and internal structures affect your design. • Understand the ... to design and simulate an entire system consisting of multiple chips, boards, and software. These system level design languages are still evolving. 5.2 Top-Down Design Top...

Ngày tải lên: 26/01/2014, 19:20