Search Results - "Quinino, Roberto C."

Bayesian inference and prediction in an queueing system by Singh, Saroja Kumar, Acharya, Sarat Kumar, Cruz, Frederico R. B., Quinino, Roberto C.

“…In many real-life situations, certain infinite queueing systems arise in which the clients arrive according to a Poisson process and are served by a single…”
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Repairable System Analysis Using the Discrete Weibull Distribution by Valadares, Danilo Gilberto de Oliveira, Quinino, Roberto C., Cruz, Frederico R. B., Ho, Linda Lee

“…In many practical circumstances, a repair can be performed when a system fails to restore to a condition before a failure. This type of repair is known as…”
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Improving Shewhart control chart performance for monitoring the Weibull mean by Ho, Linda Lee, Fernandes, Fidel Henrique, Quinino, Roberto C., Bourguignon, Marcelo

“…In this paper, we are interested in monitoring the stability of a Weibull process mean. We introduce a simplified variable sample size (SVSS) procedure, which…”
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A simple procedure to improve the performance of Klein's 2‐of‐2 run rule in the Shewhart X¯$\bar{X}$ control chart by Quinino, Víctor Brito, Ho, Linda L., Cruz, Frederico R. B., Quinino, Roberto C.

“…Supplementary run‐rules have been used since the 1950s to improve the performance of the basic Shewhart control chart. A procedure known as Klein's 2‐of‐2, a…”
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About Shewhart control charts to monitor the Weibull mean based on a Gamma distribution by Vasconcelos, Renata M. R., Quinino, Roberto C., Ho, Linda L., Cruz, Frederico R. B.

“…A control chart for the mean of a process whose quality characteristic follows a Weibull distribution is evaluated. In this sense, a transformation that…”
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Using the coefficient of determination R2 to test the significance of multiple linear regression by Quinino, Roberto C., Reis, Edna A., Bessegato, Lupércio F.

“…This article proposes the use of the coefficient of determination as a statistic for hypothesis testing in multiple linear regression based on distributions…”
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Monitoring the covariance matrix of bivariate processes with the DVMAX control charts by Machado, Marcela A. G., Lee Ho, Linda, Quinino, Roberto C., Celano, Giovanni

“…Two versions of Phase II attribute+variable (DVMAX) control charts are investigated for monitoring the covariance matrix ∑ of bivariate processes. Monitoring…”
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An analysis of online quality control by attributes with an imperfect classification system and inspections with samples of size n by Bessegato, Lupércio F., Quinino, Roberto C., Cruz, Frederico R. B., R. Pereira, Augusto

“…In this article we propose a new online control system aiming to lower the instants in which the production process migrates from being in- to out-of-control…”
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Control charts for traffic intensity monitoring of Markovian multiserver queues by Cruz, Frederico R. B., Quinino, Roberto C., Ho, Linda L.

“…A number of recent research studies have applied queueing theory as an approximate modeling tool to mathematically describe industrial systems, which include…”
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An attribute inspection control chart for process mean monitoring by Quinino, Roberto C., Bessegato, Lupércio F., Cruz, Frederico R. B.

“…This paper proposes a new control chart, denoted by X − att , for evaluating the stability of a process mean. This chart is based on attribute inspection…”
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An algorithm for insertion of idle time in the single-machine scheduling problem with convex cost functions by COLIN, Emerson C, QUININO, Roberto C

“…This paper addresses the problem of optimally inserting idle time into a single-machine schedule when the sequence is fixed and the cost of each job is a…”
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Integrating on-line process control and imperfect corrective maintenance: An economical design by Ho, Linda Lee, Quinino, Roberto C.

“…► Economical model gathering process control and corrective maintenance program. ► Both performances are objects of an average cost per item minimization. ►…”
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Using the Coefficient of Determination "R"[superscript 2] to Test the Significance of Multiple Linear Regression by Quinino, Roberto C, Reis, Edna A, Bessegato, Lupercio F

“…This article proposes the use of the coefficient of determination as a statistic for hypothesis testing in multiple linear regression based on distributions…”
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Online control by attributes in the presence of classification errors with variable inspection interval by Bessegato, Lupércio F., Mota, Lucas S., Quinino, Roberto C.

“…The procedure for online control by attribute consists of inspecting a single item at every m items produced (m ≥ 2). On each inspection, it is determined…”
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Effects of the preventive and corrective adjustments in economical designs for online process control for attributes with misclassification errors by Quinino, Roberto C., Ho, Linda Lee

“…The procedure for online process control by attributes consists of inspecting a single item at every m produced items. It is decided on the basis of the…”
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On-Line Process Control using Attributes with Misclassification Errors: An Economical Design for Short-Run Production by Bessegato, Lupércio F., Quinino, Roberto C., Duczmal, Luiz H., Lee Ho, Linda

“…On-line process control consists of inspecting a single item for every m (integer and m ≥ 2) produced items. Based on the results of the inspection, it is…”
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Bayesian inference and prediction in an M/D/1 queueing system by Singh, Saroja Kumar, Acharya, Sarat Kumar, Cruz, Frederico R. B., Quinino, Roberto C.

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Estimation of traffic intensity from queue length data in a deterministic single server queueing system by Singh, Saroja Kumar, Acharya, Sarat Kumar, Cruz, Frederico R.B., Quinino, Roberto C.

“…A certain type of queueing system that is quite common in manufacturing systems occurs when the time between the arrivals of items approximately follows an…”
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Bayesian sample size determination in a single-server deterministic queueing system by Singh, Saroja Kumar, Acharya, Sarat Kumar, Cruz, Frederico R.B., Quinino, Roberto C.

“…Although queueing models in the mathematical field of queueing theory are mainly studied in the steady-state regime and practical applications are interested…”
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Control chart for process mean monitoring combining variable and attribute inspections by Quinino, Roberto C., Cruz, Frederico R.B., Quinino, Victor B.

“…•Combining attribute and variable data for controlling a process mean.•Minimizing expected cost.•Utilizing Markov chain to calculate average run length.•Useful…”
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