Works by Cha, Ji Hwan

Results: 95

New Information-Based Replacement Policies for Heterogeneous Populations of ‘Aging’ and ‘Non-Aging’ Items.

Published in:

Methodology & Computing in Applied Probability, 2025, v. 27, n. 1, p. 1, doi. 10.1007/s11009-025-10136-y

By:

Cha, Ji Hwan;
Finkelstein, Maxim;
Yoo, Na Young

Publication type:

Article

Two Reliability Acceptance Sampling Plans for Items Subject to Wiener Process of Degradation.

Published in:

Methodology & Computing in Applied Probability, 2022, v. 24, n. 3, p. 1651, doi. 10.1007/s11009-021-09879-1

By:

Cha, Ji Hwan;
Mercier, Sophie

Publication type:

Article

Replacement Policy for Heterogeneous Items Subject to Gamma Degradation Processes.

Published in:

Methodology & Computing in Applied Probability, 2022, v. 24, n. 3, p. 1323, doi. 10.1007/s11009-021-09859-5

By:

Cha, Ji Hwan;
Finkelstein, Maxim;
Levitin, Gregory

Publication type:

Article

Modelling of Marginally Regular Bivariate Counting Process and its Application to Shock Model.

Published in:

Methodology & Computing in Applied Probability, 2018, v. 20, n. 4, p. 1137, doi. 10.1007/s11009-018-9633-4

By:

Cha, Ji Hwan;
Giorgio, Massimiliano

Publication type:

Article

On a New Shot Noise Process and the Induced Survival Model.

Published in:

Methodology & Computing in Applied Probability, 2018, v. 20, n. 3, p. 897, doi. 10.1007/s11009-017-9550-y

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

New general classes of non-absolutely continuous bivariate distributions.

Published in:

Stochastic Environmental Research & Risk Assessment, 2025, v. 39, n. 2, p. 465, doi. 10.1007/s00477-024-02874-1

By:

Yoo, Na Young;
Lee, Min Ju;
Cha, Ji Hwan

Publication type:

Article

A Preventive Replacement Policy for a System Subject to Bivariate Generalized Polya Failure Process.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 11, p. 1833, doi. 10.3390/math10111833

By:

Lee, Hyunju;
Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

General classes of bivariate distributions for modeling data with common observations.

Published in:

Statistical Papers, 2024, v. 65, n. 8, p. 5219, doi. 10.1007/s00362-024-01589-3

By:

Yoo, Na Young;
Cha, Ji Hwan

Publication type:

Article

Variables acceptance reliability sampling plan based on degradation test.

Published in:

Statistical Papers, 2021, v. 62, n. 5, p. 2227, doi. 10.1007/s00362-020-01185-1

By:

Cha, Ji Hwan;
Badía, F. G.

Publication type:

Article

On a multivariate IFR and positively dependent lifetime model induced by multiple shot-noise processes.

Published in:

Statistical Papers, 2021, v. 62, n. 2, p. 561, doi. 10.1007/s00362-019-01099-7

By:

Lee, Hyunju;
Cha, Ji Hwan

Publication type:

Article

A new general class of discrete bivariate distributions constructed by using the likelihood ratio.

Published in:

Statistical Papers, 2020, v. 61, n. 3, p. 923, doi. 10.1007/s00362-017-0969-6

By:

Lee, Hyunju;
Cha, Ji Hwan

Publication type:

Article

On stochastic comparisons for population age and remaining lifetime.

Published in:

Statistical Papers, 2018, v. 59, n. 1, p. 199, doi. 10.1007/s00362-016-0759-6

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

Sequential Confidence Interval Estimation for System Availability.

Published in:

Quality & Reliability Engineering International, 2006, v. 22, n. 2, p. 165, doi. 10.1002/qre.693

By:

Ji Hwan Cha;
Sangyeol Lee;
Jongwoo Jeon

Publication type:

Article

On some general survival models with delayed failures.

Published in:

Communications in Statistics: Theory & Methods, 2022, v. 51, n. 22, p. 7911, doi. 10.1080/03610926.2021.1884261

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

A new class of marginally regular multivariate counting processes generated by the mixture of multivariate Poisson processes.

Published in:

Communications in Statistics: Theory & Methods, 2022, v. 51, n. 13, p. 4235, doi. 10.1080/03610926.2020.1812652

By:

Cha, Ji Hwan;
Badía, F. G.

Publication type:

Article

Some results on discrete mixture failure rates.

Published in:

Communications in Statistics: Theory & Methods, 2019, v. 48, n. 15, p. 3884, doi. 10.1080/03610926.2018.1482343

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

Prediction of the residual failure processes based on the process history.

Published in:

Communications in Statistics: Theory & Methods, 2017, v. 46, n. 13, p. 6336, doi. 10.1080/03610926.2015.1122059

By:

Cha, Ji Hwan;
Badía, F. G.

Publication type:

Article

Dynamic mixing probability measures of mixtures.

Published in:

Communications in Statistics: Theory & Methods, 2016, v. 45, n. 16, p. 4824, doi. 10.1080/03610926.2014.930913

By:

Cha, Ji Hwan;
Mi, Jie

Publication type:

Article

Burn-in for Eliminating Weak Items in Heterogeneous Populations.

Published in:

Communications in Statistics: Theory & Methods, 2014, v. 43, n. 24, p. 5115, doi. 10.1080/03610926.2012.744054

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

An extended class of multivariate counting processes and its main properties.

Published in:

Probability in the Engineering & Informational Sciences, 2025, v. 39, n. 1, p. 83, doi. 10.1017/S0269964824000111

By:

Cha, Ji Hwan;
Mercier, Sophie

Publication type:

Article

On the combined imperfect repair process.

Published in:

Probability in the Engineering & Informational Sciences, 2024, v. 38, n. 2, p. 1, doi. 10.1017/S0269964823000177

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

ON DEGRADATION-BASED REMAINING LIFETIME.

Published in:

Probability in the Engineering & Informational Sciences, 2022, v. 36, n. 3, p. 812, doi. 10.1017/S0269964821000097

By:

Finkelstein, Maxim;
Cha, Ji Hwan

Publication type:

Article

ON A MULTIVARIATE GENERALIZED POLYA PROCESS WITHOUT REGULARITY PROPERTY.

Published in:

Probability in the Engineering & Informational Sciences, 2020, v. 34, n. 4, p. 484, doi. 10.1017/S0269964819000111

By:

Cha, Ji Hwan;
Badía, F.G.

Publication type:

Article

Corrosion Behavior of Si Diffusion Coating on an Austenitic Fe-Base Alloy in High Temperature Supercritical-Carbon Dioxide and Steam Environment.

Published in:

Coatings (2079-6412), 2020, v. 10, n. 5, p. 493, doi. 10.3390/coatings10050493

By:

Kim, Sung Hwan;
Kim, Chaewon;
Cha, Ji-Hwan;
Jang, Changheui

Publication type:

Article

Chromium Diffusion Coating on an ODS Ferritic-Martensitic Steel and Its Oxidation Behavior in Air and Steam Environments.

Published in:

Coatings (2079-6412), 2020, v. 10, n. 5, p. 492, doi. 10.3390/coatings10050492

By:

Kim, Chaewon;
Kim, Sung Hwan;
Cha, Ji-Hwan;
Jang, Changheui;
Kim, Tae Kyu

Publication type:

Article

On a terminating renewal shock process with an independent wear process.

Published in:

Structure & Infrastructure Engineering: Maintenance, Management, Life-Cycle Design & Performance, 2012, v. 8, n. 4, p. 403, doi. 10.1080/15732479.2011.563101

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

A new class of multivariate counting processes and its characterization.

Published in:

Stochastics: An International Journal of Probability & Stochastic Processes, 2019, v. 91, n. 3, p. 383, doi. 10.1080/17442508.2018.1540625

By:

Cha, Ji Hwan;
Giorgio, Massimiliano

Publication type:

Article

An advanced acceptance reliability sampling plan for heterogeneous items subject to external shocks.

Published in:

IMA Journal of Management Mathematics, 2024, v. 35, n. 2, p. 197, doi. 10.1093/imaman/dpad010

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

On the delayed worse-than-minimal repair model and its application to preventive replacement.

Published in:

IMA Journal of Management Mathematics, 2023, v. 34, n. 1, p. 101, doi. 10.1093/imaman/dpab036

By:

Cha, Ji Hwan;
Finkelstein, Maxim;
Levitin, Gregory

Publication type:

Article

Age-replacement policy for items described by stochastic degradation with dependent increments.

Published in:

IMA Journal of Management Mathematics, 2022, v. 33, n. 2, p. 273, doi. 10.1093/imaman/dpab014

By:

Cha, Ji Hwan;
Finkelstein, Maxim;
Levitin, Gregory

Publication type:

Article

A hybrid preventive maintenance model for systems with partially observable degradation.

Published in:

IMA Journal of Management Mathematics, 2020, v. 31, n. 3, p. 345, doi. 10.1093/imaman/dpz018

By:

Finkelstein, Maxim;
Cha, Ji Hwan;
Levitin, Gregory

Publication type:

Article

On age composition of dynamic heterogeneous populations.

Published in:

Stochastic Models, 2024, v. 40, n. 3, p. 417, doi. 10.1080/15326349.2023.2263538

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

Modelling a general standby system and evaluation of its performance.

Published in:

Applied Stochastic Models in Business & Industry, 2008, v. 24, n. 2, p. 159, doi. 10.1002/asmb.704

By:

Ji Hwan Cha;
Jie Mi;
Won Young Yun

Publication type:

Article

On optimal operating conditions for a data processing system: A stochastic approach.

Published in:

Applied Stochastic Models in Business & Industry, 2008, v. 24, n. 1, p. 31, doi. 10.1002/asmb.691

By:

Ji Hwan Cha;
Jie Mi

Publication type:

Article

Bounds to optimal burn-in and optimal work size.

Published in:

Applied Stochastic Models in Business & Industry, 2005, v. 21, n. 3, p. 227, doi. 10.1002/asmb.550

By:

Cha, Ji Hwan;
Mi, Jie

Publication type:

Article

Comparison of steady system availability with imperfect repair.

Published in:

Applied Stochastic Models in Business & Industry, 2004, v. 20, n. 1, p. 27, doi. 10.1002/asmb.512

By:

Ji Hwan Cha;
Sangyeol Lee;
Jie Mi

Publication type:

Article

On a new age‐replacement policy for items with observed stochastic degradation.

Published in:

Quality & Reliability Engineering International, 2020, v. 36, n. 3, p. 1132, doi. 10.1002/qre.2619

By:

Finkelstein, Maxim;
Cha, Ji Hwan;
Levitin, Gregory

Publication type:

Article

On optimal replacement of systems with failure rates described by a random jump process.

Published in:

Quality & Reliability Engineering International, 2018, v. 34, n. 8, p. 1590, doi. 10.1002/qre.2343

By:

Cha, Ji Hwan;
Finkelstein, Maxim;
Levitin, Gregory

Publication type:

Article

On preventive maintenance under different assumptions on the failure/repair processes.

Published in:

Quality & Reliability Engineering International, 2018, v. 34, n. 1, p. 66, doi. 10.1002/qre.2237

By:

Cha, Ji Hwan;
Finkelstein, Maxim

Publication type:

Article

Modeling Discrete Bivariate Data with Applications to Failure and Count Data.

Published in:

Quality & Reliability Engineering International, 2017, v. 33, n. 7, p. 1455, doi. 10.1002/qre.2118

By:

Lee, Hyunju;
Cha, Ji Hwan;
Pulcini, Gianpaolo

Publication type:

Article

A Dependent Competing Risks Model for Technological Units Subject to Degradation Phenomena and Catastrophic Failures.

Published in:

Quality & Reliability Engineering International, 2016, v. 32, n. 2, p. 505, doi. 10.1002/qre.1767

By:

Cha, Ji Hwan;
Pulcini, Gianpaolo

Publication type:

Article

Optimal burn‐in procedure for periodically inspected systems.

Published in:

Naval Research Logistics, 2007, v. 54, n. 7, p. 720, doi. 10.1002/nav.20240

By:

Ji Hwan Cha;
Jie Mi

Publication type:

Article

Some probability functions in reliability and their applications.

Published in:

Naval Research Logistics, 2007, v. 54, n. 2, p. 128, doi. 10.1002/nav.20192

By:

Ji Hwan Cha;
Jie Mi

Publication type:

Article

A stochastic model for burn-in procedures in accelerated environment.

Published in:

Naval Research Logistics, 2006, v. 53, n. 3, p. 226, doi. 10.1002/nav.20135

By:

Cha, Ji Hwan

Publication type:

Article

Bounding the optimal burn-in time for a system with two types of failure.

Published in:

Naval Research Logistics, 2004, v. 51, n. 8, p. 1090, doi. 10.1002/nav.20045

By:

Cha, Ji Hwan;
Lee, Sangyeol;
Mi, Jie

Publication type:

Article

Variables acceptance reliability sampling plan for items subject to inverse Gaussian degradation process.

Published in:

Journal of Applied Statistics, 2021, v. 48, n. 3, p. 393, doi. 10.1080/02664763.2020.1723505

By:

Cha, Ji Hwan;
Badía, F. G.

Publication type:

Article

Analysis of reliability characteristics in the acceptance sampling tests.

Published in:

Journal of Applied Statistics, 2016, v. 43, n. 10, p. 1874, doi. 10.1080/02664763.2015.1125860

By:

Cha, Ji Hwan

Publication type:

Article

Microstructure and Tensile Properties of Diffusion Bonded Austenitic Fe-Base Alloys—Before and After Exposure to High Temperature Supercritical-CO2.

Published in:

Metals (2075-4701), 2020, v. 10, n. 4, p. 480, doi. 10.3390/met10040480

By:

Kim, Sung Hwan;
Cha, Ji-Hwan;
Jang, Changheui;
Sah, Injin

Publication type:

Article

On a New Point Process Approach to Reliability Improvement Modeling for Repairable Systems.

Published in:

Applied Stochastic Models in Business & Industry, 2025, v. 41, n. 3, p. 1, doi. 10.1002/asmb.2906

By:

Finkelstein, Maxim;
Cha, Ji Hwan

Publication type:

Article

Heterogeneity in Populations and the Paradoxes of Survival: A Tribute to Nozer Singpurwalla.

Published in:

Applied Stochastic Models in Business & Industry, 2025, v. 41, n. 1, p. 1, doi. 10.1002/asmb.2919

By:

Finkelstein, Maxim;
Cha, Ji Hwan

Publication type:

Article