... time first time overall German 510 6 40.9 10 24 5.8 1. 46 s 4.53 s English 12 61 6.7 25.6 234 12 .4 0.24 s 1. 38 s Japanese 19 17 7.2 69.8 565 53.6 0.9 s 4.42 s In the table, the last six rows are average ... Roger Nasr 19 89 Efficient implementation of lattice operations A CM Transactions on Programming Languages and Systems, 11 (1) :11 5 -14 6, January Rolf Backofen and Hans-Ulrich Krieger 19 93 The TD£///D/A/'e ... ACL-85, pages 14 5 -15 2 Hideto Tomabechi 19 91 Quasi-destructive graph unification In Proceedings of the 29th Annual Meeting of the Association for Computational Linguistics, volume 29, pages 315 322 Hans...
... reported especially in this area are Kumar et al (19 92), Fuh et al (19 93), Ong and Nee (19 94, 19 96, 19 97, 19 98), Shirinzadeh (19 96), and Smith (19 96) Chapter Introduction Some of the problems of ... manufacturing (Ito et al., 19 88; Suzuki et al 19 88; Kingsly Jeba Singh, 2006) Shah (19 91) , Bronsvoort and Jansen (19 93), Salomons et al (19 93) and Subrahmanyam and Wozny (19 95), Han (19 96) and Han et al ... optimization and genetic algorithm are employed for the optimization processes in this study 1. 2 1. 2 .1 Background Fixture Design in the Integration of Design and Manufacturing Recently, many approaches...
... classification scheme Kumar et al (19 92) Fuh et al (19 93) Rule/object-based Rational/rule-based Chou et al (19 94) Surface reasoning Roy and Sun (19 94) Ong and Nee (19 94, 19 96, 19 97, 19 98) Geometric reasoning ... Zhang et al (19 96) Huang et al (19 97) Wu and Chang (19 98) Zhang and Lin (19 99) Lin et al (19 99) Zhang et al (20 01) √ Tseng and Huang (2007) Hebbal and Mehta (2007) Zhang et al (19 99) Cai et al ... et al (19 94, 19 96, 19 97, 19 98, 2000) Zhang et al (19 95) General Approach Optimization Fuzzy sets theory Heuristic-based and numerical optimization Ong et al (2002) √ Boerma and Kals (19 88) Zhang...
... surfaces, 3-2-1locating method is selected If the base surface is large, 4-2 -1- locating type can be selected If a cylinder fixturing feature is obtained, v-block locating is usually used Table 3 .1 Properties ... individual machining features and the fixturability of fixturing features (Ong and Nee, 19 94, 19 96, 19 97, 19 98) It must also be based on the availability and the specification of the machine tools ... fixturing features in case the extracted fixturing features are not sufficient It can be seen from Figure 1.1 in Chapter that the fixturing features on a cast or forged part are usually holes and...
... Approach Table 4.4 Constrained and constraining entities of the dimensional constraints Dimensional Constraints Hole1 d1 d2 Hole2 d3 d4 Hole3 d5 d6 Hole4 d7 d8 Hole5 d9 d10 Hole6 d 11 d10 Hole7 d12 d10 ... Plane1 TAD Face A d9 Face P1 d10, Tolerance Face G Hole5 TAD Face H d 11 Face P1 d10, Tolerance Face G Hole6 TAD Face H d12 Face P1 d10, Tolerance Face G Hole7 TAD Face H The fixturing features for ... X1 between faces A and B would cause inaccuracies in the position of the hole If the length X1 is oversized by 1mm, the centre of the hole will be at (X +1) mm away from face A If the length X1...
... 45% ACO 11 55% t(s) 11 2.5 57.3 1st run N ratio 45% 11 55% 2nd run N ratio 35% 13 65% 3rd run N ratio 40% 12 60% Table 6.2 Results of iteration =10 0, p=20 Total Algorithm N ratio GA 25% ACO 15 75% ... 45% 11 55% 3rd run N ratio 35% 13 65% Table 6.5 Results of iteration =10 00, p=20 Total Algorithm N ratio GA 35% ACO 13 65% 1st run t(s) N ratio 25 61. 5 35% 10 67.8 13 65% 2nd run N ratio 45% 11 55% ... 267.9 14 3 1st run N ratio 25% 15 75% 2nd run N ratio 35% 13 65% 3rd run N ratio 30% 14 70% Table 6.3 Results of iteration=200, p=20 Total Algorithm N ratio GA 20% ACO 16 80% t(s) 540.8 319 .3 1st...
... and eliminate the trial-and-error testing procedures typically used by the tooling engineers 7 .1. 2 Optimal Set-up Planning The optimal set-up planning approach developed in the process planning ... able to achieve an optimal set-up planning result by incorporating a cost model ACO is employed to 14 3 Chapter Conclusions and Future Works solve this NP-complete problem Parts can be produced within ... machine tools and the transport cost are taken into account, making the cost model more realistic 7 .1. 3 ACO is adopted to solve the NP-complete set-up planning problem Robust Fixture Layout Genetic...
... magnitude spectrum X(k, n) and frequency 36 Chapter Feature Extraction Oct -1 C1 C #1 D1 D #1 E1 F1 F #1 G1 G #1 A1 A #1 B1 Oct-2 C2 C#2 D2 D#2 E2 F2 F#2 G2 G#2 A2 A#2 B2 Oct-3 C3 C#3 D3 D#3 E3 F3 ... indexed by a hash table The bit is assigned as H(n, m) = if E(n, m) − E(n, m + 1) − (E(n − 1, m) − E(n − 1, m + 1) ) > if E(n, m) − E(n, m + 1) − (E(n − 1, m) − E(n − 1, m + 1) ) ≤ where E(n, ... encouragements ii Table of Contents Acknowledgement ii Table of Contents iii Summary v Introduction 1.1 Audio Fingerprinting 1. 2 Problems and Motivations 1. 3 Contributions 1. 4 Structure...
... Fixed-X case 1 , … , 𝑋𝑟 are fixed in repeated sampling and 𝑌 may be selected in the designed experiment or 𝑌 may be observed conditional on the 1 , … , 𝑋𝑟 𝒵= ⋮ 11 ⋮ 11 ⋯ 𝑋 1 ⋱ ⋮ - input ... foream, wrist (13 ) bodyfat = β0 + 1( age) + β2(weight) + β3(height) + β4(neck) + β5(chest) + β6(abdomen) + β7(hip) + β8(thigh) + β9(knee) + 10 (ankle) + 11 (biceps) + 12 (forearm) + 13 (wrist) + ... to a more general statistical context (18 97, 19 03) In 19 50s, 19 60s, economists used electromechanical desk calculators to calculate regressions Before 19 70, it sometimes took up to 24 hours to...