Membros > Membros Docentes

Manuel Cabral Morais

Morada Institucional

Instituto Superior Técnico (IST)
Av. Rovisco Pais 1
1049-001 LISBOA


Telefone: 00351218417047 | Fax: 00351218417598 | Email: mjmorais@math.tecnico.ulisboa.pt | Web: fenix.tecnico.ulisboa.pt/homepage/ist13114/apresentacao

Posição

Professor Associado, Instituto Superior Técnico, Universidade de Lisboa

Área

Estatística e Processos Estocásticos

Área Principal

Controlo de Qualidade e Ordenação Estocástica

Outra Área

Tempos de Primeira Passagem

Qualificações

  • Doutoramento em Matemática, IST, UTL, 2002
  • Mestrado em Matemática e Aplicações, IST, UTL, 1995
  • Licenciatura em Matemática Aplicada e Computação, IST, UTL, 1992

Publicações

Artigos em Revistas Internacionais

Morais, M. C.  (2017) ARL-unbiased geometric and CCC_G control charts. Sequential Analysis.
Paulino, S.; Morais, M. C. ; Knoth, S. (2016) On ARL-unbiased c-charts for INAR(1) Poisson counts. Statistical Papers, 1-18.
Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2016) On the misleading signals in simultaneous schemes for the mean vector and covariance matrix of multivariate i.i.d. output. Statistical Papers: 57, 471-498.
Paulino, S.; Morais, M. C. ; Knoth, K. (2016) An ARL-unbiased c-chart. Quality and Reliability Engineering International: 32, 2847-2858.
Morais, M. C. ; Pacheco, António (2016) On hitting times for Markov time series of counts with applications to quality control. REVSTAT: 14, 455-479.
Morais, M. C.  (2016) An ARL-unbiased np-chart. Economic Quality Control: 31, 11-21.
Morais, M. C. ; Pacheco, António (2016) On stochastic ordering and control charts for the traffic intensity. Sequential Analysis: 35, 536-559.
Morais, M. C. ; Okhrin, Y.; Schmid, W. (2015) Quality surveillance with EWMA control charts based on exact control limits. Statistical Papers: 56, 863-885.
Ralha, T.; Morais, M. C. ; Oliveira, M. Rosário (2015) On valid signals in joint schemes for the process mean and variance. Economic Quality Control: volume 30, issue 2, 99-110.
Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António; Schmid, W. (2014) On the impact of falsely assuming i.i.d. output in the probability of misleading signals. REVSTAT – Statistical Journal: 12(3), 221-245.
Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, Wolfgang (2013) Stochastic ordering in the qualitative assessment of the performance of simultaneous schemes for bivariate processes. Sequential Analysis-Design Methods and Applications: 32(2), 214-229.
Morais, M. C. ; Pacheco, António (2012) A note on the aging properties of the run length of Markov-type control charts. Sequential Analysis-Design Methods and Applications: 31(1), 88-98.
Knoth, Sven; Morais, M. C. ; Pacheco, António; Schmid, Wolfgang (2009) Misleading signals in simultaneous residual schemes for the mean and variance of a stationary process. Communications in Statistics-Theory and Methods: 38(16-17), 2923-2943.
Morais, M. C. ; Okhrin, Y.; Pacheco, António (2008) EWMA charts for multivariate output: some stochastic ordering results. Communications in Statistics - Theory and Methods: 37(16), 2653-2663.
Morais, M. C. ; Pacheco, António (2007) Shewhart schemes with variable sampling intervals revisited. Sequential Analysis-Design Methods and Applications: 26(3), 265–282.
Morais, M. C. ; Pacheco, António (2006) Combined CUSUM-Shewhart schemes for binomial data. Economic Quality Control: 21(1), 43-57.
Morais, M. C. ; Okhrin, Y.; Pacheco, António; Schmid, W. (2006) On the stochastic behaviour of the run length of EWMA control schemes for the mean of correlated output in the presence of shifts in sigma. Statistics & Decisions: 24(4), 397-413.
Morais, M. C. ; Pacheco, António (2006) Assessing the impact of head starts in the performance of one-sided Markov-type control schemes. Sequential Analysis-Design Methods and Applications: 25(4), 405-420.
Morais, M. C. ; Pacheco, António (2004) A note on the ageing character of the run length of Markov-type quality control schemes. Journal of Applied Probability: 41(4), 1243-1247.
Mateus, P.; Morais, M. C. ; Nunes, Cláudia; Pacheco, António; Sernadas, A.; Sernadas, C. (2003) Categorical foundations for randomly timed automata. Theoretical Computer Science: 308(1-3), 393-427.
Morais, M. C. ; Pacheco, António (2001) Some stochastic properties of upper one-sided X-bar and EWMA charts for mu in the presence of shifts in sigma. Sequential Analysis-Design Methods and Applications: 20, 1-12.
Morais, M. C. ; Pacheco, António (2000) On the performance of combined EWMA schemes for mu and sigma: a Markovian approach. Communications in Statistics - Simulation and Computation: 29(1), 153-174.
Morais, M. C. ; Pacheco, António (1999) Counted data control charts sensitive to sudden increases of the summary statistic. Statistical Review: 1, 25-45.
Ramalhoto, M.F.; Morais, M. C.  (1999) Shewhart control charts for the scale parameter of a Weibull control variable with fixed and variable sampling intervals. Journal of Applied Statistics: 26, 129-160.
Morais, M. C. ; Natário, I. (1998) Improving an upper one-sided c-chart. Communications in Statistics - Theory and Methods: 27(2), 353–364.
Ramalhoto, M.F.; Morais, M. C.  (1998) EWMA control charts for the scale parameter of a Weibull control variable with fixed and variable sampling intervals. Economic Quality Control: 13, 23–46.
Morais, M. C. ; Pacheco, António (1998) Two stochastic properties of one-sided exponentially weighted moving average control charts. Communications in Statistics - Simulation and Computation: 27(4), 937–952.

Artigos ou Capítulos em Livros Editados

Morais, M. C. ; Knoth, S. (2017) On ARL-unbiased charts to monitor the traffic intensity of a single server queue. Frontiers in Statistical Quality Control (Vol. 12).
Knoth, S.; Morais, M. C.  (2015) On ARL-unbiased control charts. Frontiers in Statistical Quality Control (Vol. 11), 95-117.
Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António (2015) Strategies to reduce the probability of a misleading signal. Frontiers in Statistical Quality Control (Vol. 11), 183-199.
Salvador, T.; Morais, M. C.  (2014) The Traveling Salesman Problem and the Gnedenko theorem. New Advances in Statistical Modeling and Applications, Studies in Theoretical and Applied Statistics: Springer-Verlag, 197-206.
Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2013) Misleading Signals in Simultaneous Schemes for the Mean Vector and Covariance Matrix of a Bivariate Process. Recent Developments in Modeling and Applications in Statistics Studies in Theoretical and Applied Statistics, Springer Berlin Heidelberg, 225–235.
Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2013) Misleading signals in simultaneous residual schemes for the process mean and variance of AR(1) processes: a stochastic ordering approach. Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications, Springer Berlin Heidelberg, 91–100.
Morais, M. C. ; Okhrin, Y.; Schmid, W. (2012) Limit properties of EWMA charts for stationary processes. Frontiers in Statistical Quality Control 10, Physica-Verlag HD, 69–84.
Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2012) Assessing the impact of autocorrelation in misleading signals in simultaneous residual schemes for the process mean and variance: a stochastic ordering approach. Frontiers in Statistical Quality Control 10, Physica-Verlag HD, 35–52.
Morais, M. C. ; Pacheco, António (2006) Ordenação estocástica: da curva de Lorenz ao controlo de qualidade (Stochastic Ordering: From the Lorenz). In L. Canto e Castro, E.G. Martins, C. Rocha, M.F. Oliveira, M.M. Leal, and F. Rosado, editors,Ciência Estatística: Edições SPE, Lisboa, 85-98.
Morais, M. C. ; Pacheco, António (2006) Misleading signals in joint schemes for mu and sigma. Frontiers in Statistical Quality Control 8 , 100-122.
Morais, M. C. ; Pacheco, António (2006) Ordenação Estocástica (Stochastic Ordering). In L. Canto e Castro, E.G. Martins, C. Rocha, M.F. Oliveira, M.M. Leal, and F. Rosado, editors,Ciência Estatística: Edições SPE, Lisboa, 81-84.
Morais, M. C. ; Pacheco, António (2004) A note on stochastic ordering criteria in SPC for the case of correlated output. Frontiers in Statistical Quality Control 7, 237–260.
Morais, M. C. ; Pacheco, António (2004) Taxas de alarme de esquemas de controlo markovianos (Alarm rates in Markovian control schemes). In P.M.M. Rodrigues, E.L. Rebelo, and F. Rosado, editors, Estatística com Acaso e Necessidade: Edições SPE, Lisboa, 483-491.
Morais, M. C. ; Pacheco, António (2001) Ordenação estocástica na análise de desempenho de esquemas de controlo de qualidade (Stochastic ordering in the performance analysis of quality control schemes). In M.M. Neves, J. Cadima, M.J. Martins, and F. Rosado, editors, A Estatística em Movimento: Edições SPE, Lisboa, 247-260.
Morais, M. C. ; Pacheco, António (2001) Misleading signals em esquemas conjuntos EWMA para mu e sigma Misleading signals in joint EWMA schemes for mu and sigma. In P. Oliveira and E. Athayde, editors, Um Olhar Sobre a Estatística: Edições SPE, Lisboa, 334-348.
Morais, M. C. ; Pacheco, António (1999) Comparação estocástica de tempos de primeira passagem: uma aplicação a controlo de qualidade, fiabilidade e filas de espera (Stochastic comparison of first passage times: an application to quality control, reliability and queues). In C.D. Paulino, A. Pacheco, A. Pires, and Ferreira da Cunha, editors, Afirmar a Estatística: Um Desafio para o Século XXI: Edições SPE, Lisboa, 303-314.
Morais, M. C. ; Pacheco, António (1998) Ordenação estocástica: Um pouco de história e aplicações (On the history and applications of stochastic ordering). In M. Souto de Miranda and I. Pereira, editors, Estatística: A Diversidade na Unidade: Edições Salamandra, Lisboa, 221-235.

Comunicações em Actas de Conferência

Morais, M. C. ; Knoth, S. (2016) On ARL-unbiased charts to monitor the traffic intensity of a single server queue. Proceedings of the XIIth. International Workshop on Intelligent Statistical Quality Control, 217-242.
Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António (2013) Strategies to reduce the probability of a misleading signal. Proceedings of the XIth International Workshop on Intelligent Statistical Quality Control, 229–244.
Knoth, S.; Morais, M. C.  (2013) On ARL-unbiased charts. Proceedings of the XIth International Workshop on Intelligent Statistical Quality Control, 31–50.
Morais, M. C. ; Pacheco, António (2004) Misleading signals in joint schemes for mu and sigma. Proceedings of the VIIIth International Workshop on Intelligent Statistical Quality Control (Eds. Grzegorzewski, P. et al.), 151–173.
Morais, M. C. ; Pacheco, António (2001) Assessing the impact of correlation in the performance of residual schemes: a stochastic ordering approach. Proceedings of the VIIth International Workshop on Intelligent Statistical Quality Control, 334–348.
Morais, M. C. ; Pacheco, António (2001) Evaluating the impact of misleading signals in joint schemes for mu and sigma. Revista de Estatística - Statistical Review, Proceedings of the 23rd European Meeting of Statisticians Tecnopolo Funchal, Madeira, Portugal, August 13-18: 2/2001, 285-286.
Ramalhoto, M.F.; Morais, M. C.  (1998) Some simple control charts for the location parameter of a Weibull control variable with fixed and variable sampling intervals. Proceedings of the VI International Workshop on Intelligent Statistical Quality Control, 141–148.
Morais, M. C. ; Pacheco, António (1998) Comparing first passage times of Markovian processes. Proceedings of the 2nd International Symposium on Semi-Markov Models: Theory and Applications.

Teses

Morais, M. C.  (2002) Stochastic Ordering in the Performance Analysis of Quality Control Schemes. Tese de doutoramento, IST, UTL.

Artigos em Revistas Científicas Nacionais

Morais, M. C.  (2017) Testes uniformemente mais potentes não enviesados e o controlo de artigos defeituosos em Engenharia Industrial (UMP tests and the control of defective items in Industrial Engineering). Bulletin of the Portuguese Statistical Society: Spring issue, 22-29.