Computer Aided Manufacturing (CAD/CAM)Computer Hided and Integrated potx

... SLA. Computer Aided Design / Computer Aided Manufacturing (CAD/CAM) Computer Hided and Integrated Manufacturing Systems fl S-Volume Set Cornelius T Leondes 10 Chua C. K. and Chow ... recent years, computer- aided design and computer- aided manufacturing (CAD/CAM) have become very popular, especially in the manufacturing indus- tries. It links th...

Ngày tải lên: 28/03/2014, 09:20

... Vol.l Computer Techniques Computer Hided and Integrated Manufacturing Systems A S-Volume Set 20 W. Hsu and I. M. Y. Woon 54. C. Tong and A. Gomory, A knowledge-based computer environment ... example of rule representation. Computer Techniques Computer Hided and Integrated Manufacturing Systems II S-Volume Sel Cornelius T Leondes 10 W. Hsu...

Ngày tải lên: 28/03/2014, 09:20

... force and vibration information have been mixed up (so we cannot differentiate the directional forces and vibrations, the effect of plowing, built up edge, and so on), and filtered (the spindle and ... identification, and estimation. Monitoring and diagnosing play a very important role in modern manufacturing. This is because manufacturing processes are becoming increasingly co...

Ngày tải lên: 13/12/2013, 01:15

... between computer aided design (CAD) and computer aided manufacturing (CAM). Today process planning has become an important part in computer integrated manufacturing (CIM) environment [Zhang and Alting, ... to computerised process planning, Int. J. Comput. Integrated Manuf., 10 (1–4), 83–91. Zhao, Z. X. and Baines, R. W., 1992, Conjugative coding design and manufactu...

Ngày tải lên: 13/12/2013, 01:15

... parts feeding systems and dedicated joining devices; and • assembly stand, namely, a workstation with piece placing and parts feeding fixtures, pick -and- place mechanisms, and joining units. For ... cycles design-feedback-choice and setting-testing-fitting closed for product and process. Improvements are related to innovations in computer- integrated manufacturing and engi...

Ngày tải lên: 13/12/2013, 01:15

... jobs j h | LOS(j h ) ϭ LOS(j k ) and ROS(j h ) ϭ ROS (j k ) and J- STATUS(j h ) ϭ Ready for assembling and SCI(j h ) ϭ 0} and {for each w ␲␦ ʦ W | w ␲␦ ϭ w ␲␣ and (w ␲␦ , w ␲␤ ) ʦ A [(w ␲␦ , ... (e 4 -, and e 5 - type events) and sending to the job flow manager the messages about failure and repair occurrences for servers, for AGV trucks and for transport subsystems (e 1...

Ngày tải lên: 13/12/2013, 01:15

... Acosta and Pignatiello’s (1996) CUSUM scheme and EWMA charts, as shown in Tables 18.6(a) and (b), to Acosta and Pignatiello’s (1996) EWMA chart which adopts Roberts’ (1959) EWMA for mean and Wortham’s ... 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 Ac...

Ngày tải lên: 22/12/2013, 21:18

... 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) recombination and mutation, ... surface models [May et al., 1991; Riley and Hanson, 1989; Jenkins et al., 1986] and neural network models [Himmel and May, 1993; Kim and May, 1994; Rietman and Lory, 1993]. The nex...

Ngày tải lên: 22/12/2013, 21:18

... spindle speed (S = 750, 1000, 1250, and 1500 rpm); four levels of feed rate (F = 6, 12, 18, and 24 in./min); and three levels of depth of cut (D = 0.01, 0.03, and 0.05 in.). After these cuts were ... ISRR-ANN 4-5-1, and ISRR-ANN 4-7-7-1 models are 95.78%, 95.87%, and 99.27%, respectively. 16.5.2 Conclusions The fuzzy logic and neural-networks-based ISRR models demonstrated that...

Ngày tải lên: 22/12/2013, 21:18

... 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 put into the logarithm, and ... feasibility of motor power and current sensing for adaptive control and tool condition monitoring has been described [29]. Mannan and colleagues recommend using the spindle and fee...

Ngày tải lên: 22/12/2013, 21:18