International Journal of Quality & Reliability Management: Volume 36 Issue 4

Communication of commitment towards sustainable development of certified Portuguese organisations: Quality, environment and occupational health and safety

Filipe Carvalho, Pedro Domingues, Paulo Sampaio

The purpose of this paper is twofold: first, it aims at the identification and assessment of the commitments towards sustainable development (SD) communicated to all interested…

Enhancing human performance reliability in aircraft pushback operations

Yang Siong Robson Ng, Hamad Rashid

The purpose of this paper is to investigate the aircraft pushback operations to predict and manage human errors, particularly those associated with the complex team work of…

Copula based constant-stress PALT using tampered failure rate model with dependent competing risks

Preeti Wanti Srivastava, Tanu Gupta

Accelerated life tests (ALTs) are used to make timely assessments of the lifetime distribution of highly reliable materials and components. Life test under accelerated…

Statistically constrained economic design of X ¯ control chart with Weibull in-control time for processes subject to multiple assignable causes

Mohammad Hosein Nadreri, Mohamad Bameni Moghadam, Asghar Seif

The purpose of this paper is to develop an economic statistical design based on the concepts of adjusted average time to signal (AATS) and ANF for X…

Reliability analysis of multi-state complex system with multi-state weighted subsystems

K. Meenkashi, S.B. Singh, Akshay Kumar

The purpose of this paper is to evaluate the reliability indices such as reliability, mean time to failure and sensitivity analysis.

Use of Basu-Dhar bivariate geometric distribution in the analysis of the reliability of component series systems

Ricardo Puziol Oliveira, Jorge Alberto Achcar

The purpose of this paper is to provide a new method to estimate the reliability of series system by using a discrete bivariate distribution. This problem is of great interest in…

A hybrid EWMA chart using coefficient of variation

Muhammad Aslam, Srinivasa Rao Gadde, Mansour Sattam Aldosari, Chi-Hyuck Jun

The purpose of this paper is to develop a new control chart using two EWMA statistics called the hybrid exponentially weighted moving average (HEWMA) chart to improve the…

Loyalty intentions and selected relationship quality constructs: The mediating effect of customer engagement

Daniel J. Petzer, Estelle van Tonder

The purpose of this paper is to assess the mediating effect of customer engagement on the relationships between selected relationship quality and value antecedents (commitment…

Improved binomial and Poisson approximations to the Type-A operating characteristic function

Nataliya Chukhrova, Arne Johannssen

In acceptance sampling, the hypergeometric operating characteristic (OC) function (so called type-A OC) is used to be approximated by the binomial or Poisson OC function, which…