Quality optimization (multi-characteristics) through Taguchi's technique and utility concept

Kumar, Pradeep; Barua, Parimal Bakul; Gaindhar, J. L.

doi:10.1002/1099-1638(200011/12)16:6<475::aid-qre342>3.0.co;2-0

Cited by 115 publications

(52 citation statements)

References 1 publication

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“…The basic concept of GRA is to find a Grey relational grade (GRG), which can be used for the optimization conversion from a multi-objective case to a singleobjective case. Kumar & Singh (2014), Kaladhar, et al (2011), Kumar et al (2000), Walia et al (2006) and Kumar & Khamba (2010) used Taguchi method and utility concept for multi response optimization. Tong et al (2007) performed multi response optimization by using VIKOR method.…”

Section: Literature Review On Multi-response Optimization Methodsmentioning

confidence: 99%

A comparison of the different multiple response optimization techniques for turning operation of AISI O1 tool steel

Kataria

Kumar

2014

J Engin Res

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Section: Literature Review On Multi-response Optimization Methodsmentioning

confidence: 99%

A comparison of the different multiple response optimization techniques for turning operation of AISI O1 tool steel

Kataria

Kumar

2014

J Engin Res

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“…Two arbitrary numerical values (preference number) 0 and 9 are assigned to the just acceptable and the best value of the response variable respectively. The preference number ( i P ) for the th i response variable can be expressed on a logarithmic scale as follows (Kumar et al, 2000): …”

Section: The Utility Conceptmentioning

confidence: 99%

Optimization of Multiple Responses of Ultrasonic Machining (USM) Process: A Comparative Study

Chakravorty¹,

Gauri²,

Chakraborty³

2013

ijiec

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Ultrasonic machining (USM) process has multiple performance measures, e.g. material removal rate (MRR), tool wear rate (TWR), surface roughness (SR) etc., which are affected by several process parameters. The researchers commonly attempted to optimize USM process with respect to individual responses, separately. In the recent past, several systematic procedures for dealing with the multi-response optimization problems have been proposed in the literature. Although most of these methods use complex mathematics or statistics, there are some simple methods, which can be comprehended and implemented by the engineers to optimize the multiple responses of USM processes. However, the relative optimization performance of these approaches is unknown because the effectiveness of different methods has been demonstrated using different sets of process data. In this paper, the computational requirements for four simple methods are presented, and two sets of past experimental data on USM processes are analysed using these methods. The relative performances of these methods are then compared. The results show that weighted signal-to-noise (WSN) ratio method and utility theory (UT) method usually give better overall optimisation performance for the USM process than the other approaches.

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“…Such a composite index represents the utility of a product. The overall utility of a product is the sum of utilities of each of the performance quality characteristics [20,21]. If X i is a measure of effectiveness of an attribute i and there are n attributes evaluating the outcome space, then the overall utility function is given by:…”

Section: Taguchi Approach With Utility Conceptmentioning

confidence: 99%

Multiperformance optimization of tensile strength and heat input of laser transformation hardening of commercially pure titanium using Taguchi methodology and utility concept

Badkar¹,

Pandey²,

Buvanashekaran³

2012

Adv produc engineer manag

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Abstract:Purpose of this paper: The main objective of this research paper is to investigate and evaluate the optimal values of laser process parameters: laser power, scanning speed, and focused position for the simultaneous minimization and maximization of heat input and tensile strength respectively by Taguchi method and utility concept approach in laser transformation hardening of commercially pure titanium sheet of 1.6mm thickness using continuous wave (CW) Nd:YAG laser beam. Design/methodology/approach: The effect of laser process parameters on the heat input and tensile strength properties of commercially pure titanium and subsequent optimal settings of the parameters have been obtained using Taguchi's parametric design approach and utility concept. The response performance is analyzed based on signal-to-noise ratio and analysis of variance (ANOVA). The optimal levels of the laser process parameters were determined through the Analysis of Means (ANOM). Findings: The optimization results revealed that a combination of higher levels of scanning speed and focused position i.e., increase in defocus along with laser power in the lower level play important role in order to simultaneously minimize the heat input and to maximize the tensile strength (σ). The predicted optimal values of tensile strength and heat input of commercially pure titanium sheet produced by laser transformation hardening process are 464 N/mm 2 and 141.667 Watts, respectively, for the optimized laser process parameters with minimum LP=750 Watts, maximum SS=3000mm/min, and lower value of FP=-30mm (increase in defocus). Research limitations/implications: Research range is limited to investigation of optimization laser hardening process parameters for the simultaneous minimization and maximization of heat input and tensile strength respones.of commercially pure titanium. Hardness test responses are also be optimized in future research work. Practical implications: Laser transformation hardening is an innovative and advanced laser surface modification technique has been employed in aerospace, marine, chemical applications, heat exchangers, cryogenic vessels, components for chemical processing and desalination equipment, condenser tubing, airframe skin, and nonstructural components which introduces the advantageous residual stresses into the surface, improving the mechanical properties like wear, resistance to corrosion, tensile strength, and fatigue strength. Originality/value: Authors made an effort to optimize the laser process parameters in order to minmize the heat input and maximize tensile strength of laser transformation hardening of commercially pure titanium using Taguchi methodology and utility concept.

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Quality optimization (multi-characteristics) through Taguchi's technique and utility concept

Cited by 115 publications

References 1 publication

A comparison of the different multiple response optimization techniques for turning operation of AISI O1 tool steel

A comparison of the different multiple response optimization techniques for turning operation of AISI O1 tool steel

Optimization of Multiple Responses of Ultrasonic Machining (USM) Process: A Comparative Study

Multiperformance optimization of tensile strength and heat input of laser transformation hardening of commercially pure titanium using Taguchi methodology and utility concept

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