Book•
Taguchi Methods: A Hands-On Approach
01 Oct 1992-
TL;DR: This book focuses on one of Taguchi's core techniques, "Design of Experiments", which helps engineers test their products and processes and design robust products at the lowest possible cost.
Abstract: American industry is now realizing that applying Dr. Genichi Taguchi's now-famous quality-engineering techniques can improve their products and produce substantial savings in cost and time. Until now, it has been difficult to find a clear explanation of the key terms and principles of Taguchi's methods. In Peace's book, industrial engineers will discover a practical, readable guide that demonstrates Taguchi techniques step-by-step. Unique coverage of the different types of quality characteristics ensure that readers will understand how to measure and choose options when applying this technology. The book focuses on one of Taguchi's core techniques, "Design of Experiments", which helps engineers test their products and processes and design robust products at the lowest possible cost. Case studies illustrate Taguchi methods at work in a varietyof situations.
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TL;DR: A review of the research carried out so far in determining and optimizing the process parameters of the FDM process can be found in this paper, where several statistical designs of experiments and optimization techniques used for the determination of optimum process parameters have been examined.
Abstract: Fused deposition modeling (FDM) is one of the most popular additive manufacturing technologies for various engineering applications. FDM process has been introduced commercially in early 1990s by Stratasys Inc., USA. The quality of FDM processed parts mainly depends on careful selection of process variables. Thus, identification of the FDM process parameters that significantly affect the quality of FDM processed parts is important. In recent years, researchers have explored a number of ways to improve the mechanical properties and part quality using various experimental design techniques and concepts. This article aims to review the research carried out so far in determining and optimizing the process parameters of the FDM process. Several statistical designs of experiments and optimization techniques used for the determination of optimum process parameters have been examined. The trends for future FDM research in this area are described.
925 citations
TL;DR: In this paper, the authors present a detailed description of various techniques and experimental procedures in manufacturing ionic polymer-metal composites (IPMCs) that can be used as effective biomimetic sensors, actuators and artificial muscles as well as fully electroded with embedded electrodes for fuel cells.
Abstract: This paper, the second in a series of four review papers to appear in this journal, presents a detailed description of various techniques and experimental procedures in manufacturing ionic polymer–metal composites (IPMCs) that, if fully developed, can be used as effective biomimetic sensors, actuators and artificial muscles as well as fully electroded with embedded electrodes for fuel cells. The performance of IPMCs manufactured by different manufacturing techniques are presented and compared. In particular, a number of issues such as force optimization using the Taguchi design of experiment technique, effects of different cations on electromechanical performance of IPMCs, electrode and particle size and distribution control, manufacturing cost minimization approaches, scaling and three-dimensional (3D) muscle production issues and heterogeneous composites by physical loading techniques are also reviewed and discussed.
600 citations
TL;DR: In this paper, the relationship between control factors and responses like metal removal rate, surface finish and cutting width is established by means of nonlinear regression analysis, resulting in a valid mathematical model.
Abstract: Wire electrical discharge machining (WEDM) is extensively used in machining of conductive materials when precision is of prime importance. Rough cutting operation in WEDM is treated as a challenging one because improvement of more than one machining performance measures viz. metal removal rate (MRR), surface finish (SF) and cutting width (kerf) are sought to obtain a precision work. Using Taguchi’s parameter design, significant machining parameters affecting the performance measures are identified as discharge current, pulse duration, pulse frequency, wire speed, wire tension, and dielectric flow. It has been observed that a combination of factors for optimization of each performance measure is different. In this study, the relationship between control factors and responses like MRR, SF and kerf are established by means of nonlinear regression analysis, resulting in a valid mathematical model. Finally, genetic algorithm, a popular evolutionary approach, is employed to optimize the wire electrical discharge machining process with multiple objectives. The study demonstrates that the WEDM process parameters can be adjusted to achieve better metal removal rate, surface finish and cutting width simultaneously.
457 citations
TL;DR: The development of CALIBRA is described, a procedure that attempts to find the best values for up to five search parameters associated with a procedure under study and is able to find parameter values that either match or improve the performance of the procedures resulting from using the parameter values suggested by their developers.
Abstract: Researchers and practitioners frequently spend more time fine-tuning algorithms than designing and implementing them. This is particularly true when developing heuristics and metaheuristics, where the right choice of values for search parameters has a considerable effect on the performance of the procedure. When testing metaheuristics, performance typically is measured considering both the quality of the solutions obtained and the time needed to find them. In this paper, we describe the development of CALIBRA, a procedure that attempts to find the best values for up to five search parameters associated with a procedure under study. Because CALIBRA uses Taguchis fractional factorial experimental designs coupled with a local search procedure, the best values found are not guaranteed to be optimal. We test CALIBRA on six existing heuristic-based procedures. These experiments show that CALIBRA is able to find parameter values that either match or improve the performance of the procedures resulting from using the parameter values suggested by their developers. The latest version of CALIBRA can be downloaded for free from the website that appears in the online supplement of this paper at http://or.pubs.informs.org/Pages.collect.html.
407 citations
Cites methods from "Taguchi Methods: A Hands-On Approac..."
...The specific design depends on each situation and should follow the guidelines of the Taguchi methodology, outlined and applied in Taguchi (1987), Roy (1990), Peace (1993), Taguchi and Yokoyama (1994) and Song, Mathur and Pattipati (1995)....
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...The specific design depends on each situation and should follow the guidelines of the Taguchi methodology, outlined and applied in Taguchi (1987), Roy (1990), Peace (1993), Taguchi and Yokoyama (1994) and Song, Mathur and Pattipati (1995). Since CALIBRA uses a full factorial 2k design, Taguchi’s L9(34) design and a local search procedure, a suitable termination criterion must be defined to stop its execution....
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...The specific design depends on each situation and should follow the guidelines of the Taguchi methodology, outlined and applied in Taguchi (1987), Roy (1990), Peace (1993), Taguchi and Yokoyama (1994), and Song et al. (1995)....
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TL;DR: In this paper, the authors presented a study of the Taguchi design application to optimize surface quality in a CNC face milling operation, which included feed rate, spindle speed and depth of cut as control factors, and the noise factors were the operating chamber temperature and the usage of different tool inserts in the same specification.
391 citations