Loss-based process capability indices: a review
by Mohammad Abdolshah, Rosnah Mohd. Yusuff, Tang Sai Hong, Md. Yusof B. Ismail
International Journal of Productivity and Quality Management (IJPQM), Vol. 7, No. 1, 2011

Abstract: Process capability indices (PCIs) are appropriate tools to measure the inherent capability of a process, but most of them do not consider the losses of a process, while in today's competitive business environment, it is becoming more and more important for companies to evaluate and minimise their losses. This paper presents a review of loss-based PCIs such as C_pm, C_pmk, PCI_θ, C_pc, L_e and L^″_e. This paper also discusses characteristics of loss-based PCIs such as reject based, asymmetric, bounded, loss based and target based. Finally, recommendations were made for developing a new loss-based process capability index with more excellent specifications.

Online publication date: Sun, 26-Dec-2010

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