Zobrazeno 1 - 10
of 158
pro vyhledávání: '"V.S.S. Yadavalli"'
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 51, Iss 3, Pp 278-293 (2019)
Many reliability growth models related to the concept of multi up-gradation have recently been proposed. This concept has helped software developers to develop a competitive edge over competitors by regularly introducing their software upgrades in th
Externí odkaz:
https://doaj.org/article/6977a88298334f72acfa98269141f670
Autor:
V.S.S. Yadavalli, M. Botha
Publikováno v:
ORiON, Vol 16, Iss 2 (2014)
Stochastic analysis of a two unit system with vacation period for the repair facility after the completion of m repairs is studied. All the underlying distributions are assumed to be non-Markovian. The reliability and availability analysis for such a
Externí odkaz:
https://doaj.org/article/e66a13a08d16477fa34dc336250bccd3
Publikováno v:
ORiON, Vol 18, Iss 0 (2014)
In the industrial community it is well known that the failure rate of the manufactured units vary with time due to a variety of causes, namely, engineering design, manufacturing process, maintenance and quality inspection procedures and various assig
Externí odkaz:
https://doaj.org/article/b4594c5714f8403398a8f85423bdbbe3
Autor:
V.S.S. Yadavalli, A. Bekker
Publikováno v:
South African Journal of Industrial Engineering, Vol 16, Iss 1 (2012)
ENGLISH ABSTRACT: A consistent asymptotic normal (CAN) estimator and confidence limits for the steady-state availability of series and parallel systems subject to unit failures, common-cause shock (CCS) failures and human error are studied. This pape
Externí odkaz:
https://doaj.org/article/a0097f58e2e546f38404b26abef4bf68
Autor:
V.S.S. Yadavalli
Publikováno v:
South African Journal of Industrial Engineering, Vol 17, Iss 2 (2012)
ENGLISH ABSTRACT: The paper considers a two-component continuous review inventory system where one of two components is produced by the organisation and the other is supplied by an outside supplier. The two components are assembled into an end produc
Externí odkaz:
https://doaj.org/article/e03fad4ded9b4a18987cf4b0eabd5aa7
Publikováno v:
South African Journal of Industrial Engineering, Vol 15, Iss 2 (2012)
ENGLISH ABSTRACT: Gaver’s parallel system (and its variants) has received considerable attention in the literature. The Laplace-transform (LT) of the survival function, corresponding to the underlying systems, has been derived by various (alternati
Externí odkaz:
https://doaj.org/article/15680ae315da43089729dbb3ccb11342
Publikováno v:
South African Journal of Industrial Engineering, Vol 22, Iss 2 (2012)
ENGLISH ABSTRACT: The reliability of a system is generally treated as a function of cost; but in many real-life situations reliability will depend on a variety of factors. It is therefore interesting to probe the hidden impact of constraints apart fr
Externí odkaz:
https://doaj.org/article/9221e16b2fd14134ae04f019eeacef26
Autor:
J. Grobler, V.S.S. Yadavalli
Publikováno v:
South African Journal of Industrial Engineering, Vol 19, Iss 2 (2012)
ENGLISH ABSTRACT: This paper documents the results of a supply chain management (SCM) case study conducted at Centurion Ice Cream and Sweets CC, a producer of ice cream in the greater Gauteng area. The current SCM environment was first analyzed befor
Externí odkaz:
https://doaj.org/article/6054817b6f4a45b7b6d4e0040b70c813
Autor:
K. Thaga, V.S.S. Yadavalli
Publikováno v:
South African Journal of Industrial Engineering, Vol 18, Iss 2 (2012)
ENGLISH ABSTRACT: This paper proposes an exponentially weighted moving average (EWMA) control chart that is capable of detecting changes in both process mean and standard deviation for autocorrelated data (referred to as the Maximum Exponentially Wei
Externí odkaz:
https://doaj.org/article/f95c19be1a304892a9c1daae5dc96cec
Publikováno v:
South African Journal of Industrial Engineering, Vol 22, Iss 1 (2012)
ENGLISH ABSTRACT: Natural disasters – and even those caused by people – are largely unpredictable. So disasters need to be researched and their impact fully understood, so that the aid supplies required to ensure survival during and after disaste
Externí odkaz:
https://doaj.org/article/1e23a568b0d74340be9d9e0f1893b7c3