... product defects and process/system malfunctions early, and hence, eliminate costly consequences They also help to diagnose the root causes of the problems in design and production and hence minimize ... 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 diagnosing manufacturing processes,...
Ngày tải lên: 13/12/2013, 01:15
... product design to shop floor manufacturing On the one hand, it has to provide multiple decisions and alternative information transfer from design to various manufacturing functions On the other hand ... dimensions, tolerances and surface roughness, the feature position and orientation, and the feature relations (formed by physical interactions and dimensions and geometric tolerances), manufacturing processes ... 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 and make them available...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P2 pptx
... marketing, design, manufacturing, and finance systems To reach more comprehensive assessments, issues are stated by collecting and comparing properly standardised indices and by tracking and acknowledging ... parts feeding systems and dedicated joining devices; and • assembly stand, namely, a workstation with piece placing and parts feeding fixtures, pick-andplace mechanisms, and joining units For ... of functional units and combining the related assembly stands; these are equipped with the usual parts feeding and orienting devices and sometimes include positioning and handling equipment The...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P1 docx
... LOS(jk) and ROS(jh) ϭ ROS (jk) and JSTATUS(jh) ϭ Ready for assembling and SCI(jh) ϭ 0} and {for each w␦ ʦ W | w␦ ϭ w␣ and (w␦, w) ʦ A ᭚ WEI [(w␦, w)] jobs jh | BEL-P[LOS( jh)] ϭ w␦ and ... final products p1 and p2, representing 509 and 640 part types Thus actual job type and order entity sets are P ϭ {p1, p2} and O ϭ {o1} with BEL-P(p) ϭ o1 for ϭ 1, Due dates and product numbers ... insertions/removals (e4-, and e5type events) and sending to the job flow manager the messages about failure and repair occurrences for servers, for AGV trucks and for transport subsystems (e1-, e2-, and e3-type...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P8 pptx
... µo = and σo = 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 The ... Performances of Chang and Gan’s (1995) CUSUM and Crowder and Hamilton’s (1992) EWMA are not significantly better than Page’s (1963) CUSUM; however, their development of design strategies and procedures ... 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...
Ngày tải lên: 22/12/2013, 21:18
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P7 ppt
... Parameter Design 17.4 Case Study: Plasma Etching Process Modeling and On-Line Parameter Design 17.5 Conclusion 17.1 Introduction Besides aggressively innovating and incorporating new materials and technologies ... design include (i) orthogonal array approaches, and (ii) traditional factorial and fractional factorial design approaches The orthogonal array approaches are promoted extensively by Taguchi and ... 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,...
Ngày tải lên: 22/12/2013, 21:18
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P6 ppt
... produced by end milling Armarego and Deshpande [1989] presented one more milling process geometry model that incorporates cutter runout to predict cutting forces Sutherland and Babin [1985] demonstrated ... surfaces exhibit interrelated characteristics of both random and deterministic components Zhang and Kapoor [1991] demonstrated the effect of random vibrations on surface roughness in the turning ... parameters Step 2: Read the 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 Y (a) Calculate...
Ngày tải lên: 22/12/2013, 21:18
Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P5 ppt
... computer integrated manufacturing (CIM) and flexible manufacturing systems (FMS) However, many manufacturing processes involve some aspects of metal cutting operations The most crucial and determining ... < ∨ ( ∧ ( x , w ) ) then ∆ = w if x s < w sj and x s ≥ ∨ ∧ x i , w ij s if x s < w sj and x s s i≠ s if x s ≥ w sj and w sj if x s ≥ w sj and w sj and ©2001 CRC Press LLC i≠ s i ij i≠ s i i≠ s ... 15.33, and the estimated value of the spindle and feed current, namely, Si and Fi (i = 1, 2, , 6) are outputted Second, the spindle and feed current detected are put into the logarithm, and are...
Ngày tải lên: 22/12/2013, 21:18
MAGNESIUM ALLOYS DESIGN, PROCESSING AND PROPERTIES_3 ppt
... 413 413 414 414 Magnesium Alloys - Design, Processing and Properties Magnesium Alloys - Design, Processing and Properties Fig.8 and Fig.9 shows the distribution and variation of shearing rate in ... resistance, and also influenced the distribution of strain and deformation fluidity Fig.16 showed the temperature distributions in both extrusion and 402 Magnesium Alloys - Design, Processing and Properties ... below the liquidus temperature 408 408 Magnesium Alloys - Design, Processing and Properties Magnesium Alloys - Design, Processing and Properties In this chapter, a new process named “Damper...
Ngày tải lên: 29/06/2014, 14:20
MAGNESIUM ALLOYS DESIGN, PROCESSING AND PROPERTIES_1 pdf
... with elements of alloy design and specific properties including fatigue and creep resistance Several chapters are devoted to alloy processing and component manufacturing stages and cover sheet rolling, ... to take into account the storage and annihilation in both slip systems (basal and non-basal) and mutual interaction 16 Magnesium Alloys - Design, Processing and Properties Very recently, it ... attributable to the formation of (a) microbands and kinkbands and (c) subgrains Side views of the reduced zones3 displaying the rotations associated with (b) MBs and KBs and (d) new grains The two dashed...
Ngày tải lên: 29/06/2014, 14:20
Introduction to Digital Signal Processing and Filter Design
... computer science and engineering, and advances in technologies such as the design and manufacturing of very large scale integration (VLSI) chips The number of devices, systems, and applications ... INTRODUCTION TO DIGITAL SIGNAL PROCESSING AND FILTER DESIGN INTRODUCTION TO DIGITAL SIGNAL PROCESSING AND FILTER DESIGN B A Shenoi A JOHN WILEY & SONS, INC., PUBLICATION ... digital signal processing is found in hearing aids and cardiac pacemakers Image Processing Image enhancement, image restoration, image understanding, computer vision, radar and sonar processing, ...
Ngày tải lên: 13/09/2012, 10:21
Six Sigma for Electronics Design and Manufacturing
... sigma can be used as a standard for design and manufacturing, as well as a communication method between design and manufacturing groups, especially when part of the design or manufacturing is outsourced ... Much like QFD, design of experiments (DoE) can be used in both design and manufacturing, and hence can influence both parts of the six sigma equation: design specifications and manufacturing variability ... Design and Manufacturing Projects Conclusions References and Bibliography 211 215 217 220 221 225 227 227 228 231 232 234 236 238 240 241 241 Six Sigma and Its Use in the Analysis of Design and...
Ngày tải lên: 07/02/2013, 09:47
Introduction to Digital Signal Processing and Filter Design - Introduction
... digital signal processing is found in hearing aids and cardiac pacemakers Image Processing Image enhancement, image restoration, image understanding, computer vision, radar and sonar processing, ... processing system 1.5 ANALOG AND DIGITAL SIGNAL PROCESSING The basic elements in digital filters are the multipliers, adders, and delay elements, and they carry out multiplication, addition, and ... Signal Processing, Prentice-Hall, 1996 A Bateman and I Patterson-Stephans, The DSP Handbook, Algorithms, Applications and Design Techniques, Prentice-Hall, 2000 S K Mitra, Digital Signal Processing, ...
Ngày tải lên: 29/09/2013, 21:20
Engineering Materials 2An Introduction to Microstructures, Processing and Design ppt
... composites 27 Design with materials 289 the design- limiting properties of metals, ceramics, polymers and composites; design methodology viii Contents 28 Case studies Designing Designing Designing Designing ... Introduction to Microstructures, Processing and Design Second Edition by Michael F Ashby and David R H Jones Department of Engineering, Cambridge University, England OXFORD AUCKLAND BOSTON JOHANNESBURG ... microstructures and processing of materials (metals, ceramics, polymers and composites) and shows how these are related to the properties required in engineering design It is designed to follow...
Ngày tải lên: 14/03/2014, 14:20
AVAILABLE AND EMERGING TECHNOLOGIES FOR REDUCING GREENHOUSE GAS EMISSIONS FROM THE PULP AND PAPER MANUFACTURING INDUSTRY doc
... waste landfills are not subject to federal standards New source performance standards and emission guidelines require some municipal solid waste (MSW) landfills to capture and control landfill ... pulp and paper industry Pumps are used to pressurize and circulate water, process chemicals, and pulping slurries as part of the pulp and paper making process Energy costs and operation and maintenance ... [mtCO2e/yr] and million short tons of CO2 equivalents per year [ton CO2e/yr ) from stationary sources in the pulp and paper manufacturing sector Table Nationwide GHG Emissions from the Pulp and Paper Manufacturing...
Ngày tải lên: 18/03/2014, 02:20
Báo cáo hóa học: " Research Article Vector Field Driven Design for Lightweight Signal Processing and Control Schemes for Autonomous Robotic Navigation" ppt
... where ξ is the state of the filter, and u and y are the corresponding inputs and outputs) and then pass it through a hysteresis function The output of this processing gives an indication of whether ... T Zourntos, and D Kundur, “Vector field design of screw-type chaos,” to appear in Fluctuation and Noise Letters [28] M J Matari´ , “Designing and understanding adaptive group c behavior,” Adaptive ... v, and its signed rotational speed, ω The controllers we will synthesize actuate change by EURASIP Journal on Advances in Signal Processing η2 specifying two independent motion commands—av and...
Ngày tải lên: 21/06/2014, 20:20
Engineering Materials 2An Introduction to Microstructures, Processing and Design potx
... composites 27 Design with materials 289 the design- limiting properties of metals, ceramics, polymers and composites; design methodology viii Contents 28 Case studies Designing Designing Designing Designing ... Introduction to Microstructures, Processing and Design Second Edition by Michael F Ashby and David R H Jones Department of Engineering, Cambridge University, England OXFORD AUCKLAND BOSTON JOHANNESBURG ... microstructures and processing of materials (metals, ceramics, polymers and composites) and shows how these are related to the properties required in engineering design It is designed to follow...
Ngày tải lên: 27/06/2014, 17:20
(Plastics design library) myer kutz applied plastics engineering handbook processing and materials (plastics design library) william andrew (2011)
... books, reference works and practical guides covering plastics engineering, applications, processing, and manufacturing, and applied aspects of polymer science, elastomers and adhesives Recent titles ... tint Low flammability and low smoke suit it for aircraft and transportation applications In addition, it can withstand rigorous handling and repeated steam sterilization cycles and is used in medical ... engineers and managers in consumer products and more complex engineering situations would wish to consult the handbook for initial materials selection and to verify their own understanding of...
Ngày tải lên: 27/12/2014, 15:34
Thiết kế và chế tạo xylanh thủy lực design and manufacturing of hydraulic cylinders
... Design and Manufacturing of Hydraulic Presses.” ©: Q.S Khan 8-39 Design and Manufacturing of Hydraulic Cylinder Design of Hydraulic Cylinders 8.7 GLAND-BUSH Gland-bush is used to retain gland-seal, ... tapped hole for gland-bush Design and Manufacturing of Hydraulic Presses.” ©: Q.S Khan 8-36 Design and Manufacturing of Hydraulic Cylinder Design of Hydraulic Cylinders C1 = Gland-bush is bolted ... arrangement, such as thread and lock-nut etc., to adjust and stop travel of piston-rod at desirable position Design and Manufacturing of Hydraulic Presses.” ©: Q.S Khan 8-19 Design and Manufacturing of...
Ngày tải lên: 15/08/2015, 10:43