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ORCIDJi Hwan Cha
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2020 – today
- 2024
[j58]Francisco Germán Badía, Ji Hwan Cha, H. Lee, Carmen Sangüesa:
Preservation of the log concavity by Bernstein operator with an application to ageing properties of a coherent system. J. Comput. Appl. Math. 443: 115748 (2024)- [j57]Ji Hwan Cha, Maxim Finkelstein
:
Preventive maintenance for the constrained multi-attempt minimal repair. Reliab. Eng. Syst. Saf. 243: 109899 (2024) - 2023
- [j56]Maxim Finkelstein, Ji Hwan Cha, Amy Langston:
Improving classical optimal age-replacement policies for degrading items. Reliab. Eng. Syst. Saf. 236: 109303 (2023) - [j55]Maxim Finkelstein, Ji Hwan Cha, Tim Bedford:
Optimal preventive maintenance strategy for populations of systems that generate outputs. Reliab. Eng. Syst. Saf. 237: 109334 (2023) - 2022
- [j54]Maxim Finkelstein, Ji Hwan Cha, Amy Langston:
Optimal preventive switching of components in degrading systems. Reliab. Eng. Syst. Saf. 219: 108266 (2022) - 2021
- [j53]Ji Hwan Cha, Maxim Finkelstein, Gregory Levitin:
Optimal warranty policy with inspection for heterogeneous, stochastically degrading items. Eur. J. Oper. Res. 289(3): 1142-1152 (2021) - 2020
- [j52]Maxim Finkelstein, Ji Hwan Cha, Gregory Levitin:
On a new age-replacement policy for items with observed stochastic degradation. Qual. Reliab. Eng. Int. 36(3): 1132-1143 (2020)
2010 – 2019
- 2019
- [j51]Ji Hwan Cha, Maxim Finkelstein:
Stochastic modeling for systems with delayed failures. Reliab. Eng. Syst. Saf. 188: 118-124 (2019) - 2018
- [j50]Ji Hwan Cha, Maxim Finkelstein, Gregory Levitin:
Bivariate preventive maintenance of systems with lifetimes dependent on a random shock process. Eur. J. Oper. Res. 266(1): 122-134 (2018) - [j49]Ji Hwan Cha, Maxim Finkelstein, Gregory Levitin:
Optimal mission abort policy for partially repairable heterogeneous systems. Eur. J. Oper. Res. 271(3): 818-825 (2018) - [j48]Francisco Germán Badía, Carmen Sangüesa, Ji Hwan Cha:
Univariate and multivariate stochastic comparisons and ageing properties of the generalized Pólya process. J. Appl. Probab. 55(1): 233-253 (2018) - [j47]Maxim Finkelstein, Nil Kamal Hazra, Ji Hwan Cha:
On optimal operational sequence of components in a warm standby system. J. Appl. Probab. 55(4): 1014-1024 (2018) - [j46]Francisco Germán Badía, Carmen Sangüesa, Ji Hwan Cha:
Stochastic comparisons and multivariate dependence for the epoch times of trend renewal processes. J. Multivar. Anal. 168: 174-184 (2018) - [j45]Ji Hwan Cha, Maxim Finkelstein:
On preventive maintenance under different assumptions on the failure/repair processes. Qual. Reliab. Eng. Int. 34(1): 66-77 (2018) - [j44]Ji Hwan Cha, Maxim Finkelstein, Gregory Levitin:
On optimal replacement of systems with failure rates described by a random jump process. Qual. Reliab. Eng. Int. 34(8): 1590-1604 (2018) - [j43]Francisco Germán Badía, María Dolores Berrade, Ji Hwan Cha, Hyunju Lee:
Optimal replacement policy under a general failure and repair model: Minimal versus worse than old repair. Reliab. Eng. Syst. Saf. 180: 362-372 (2018) - 2017
- [j42]Nil Kamal Hazra, Maxim Finkelstein, Ji Hwan Cha:
On optimal grouping and stochastic comparisons for heterogeneous items. J. Multivar. Anal. 160: 146-156 (2017) - [j41]Hyunju Lee, Ji Hwan Cha, Gianpaolo Pulcini:
Modeling Discrete Bivariate Data with Applications to Failure and Count Data. Qual. Reliab. Eng. Int. 33(7): 1455-1473 (2017) - [j40]Ji Hwan Cha, Maxim Finkelstein, Gregory Levitin:
On preventive maintenance of systems with lifetimes dependent on a random shock process. Reliab. Eng. Syst. Saf. 168: 90-97 (2017) - 2016
- [j39]Ji Hwan Cha, Maxim Finkelstein:
New shock models based on the generalized Polya process. Eur. J. Oper. Res. 251(1): 135-141 (2016) - [j38]Ji Hwan Cha, Gianpaolo Pulcini:
Optimal burn-in procedure for mixed populations based on the device degradation process history. Eur. J. Oper. Res. 251(3): 988-998 (2016) - [j37]Hyunju Lee, Ji Hwan Cha, Maxim Finkelstein:
On information-based warranty policy for repairable products from heterogeneous population. Eur. J. Oper. Res. 253(1): 204-215 (2016) - [j36]Hyunju Lee, Ji Hwan Cha:
New stochastic models for preventive maintenance and maintenance optimization. Eur. J. Oper. Res. 255(1): 80-90 (2016) - [j35]Hyunju Lee, Ji Hwan Cha:
Point process approach to modeling and analysis of general cascading failure models. J. Appl. Probab. 53(1): 174-186 (2016) - [j34]Ji Hwan Cha, Gianpaolo Pulcini:
A Dependent Competing Risks Model for Technological Units Subject to Degradation Phenomena and Catastrophic Failures. Qual. Reliab. Eng. Int. 32(2): 505-517 (2016) - [j33]Ji Hwan Cha, Maxim Finkelstein:
On some properties of shock processes in a 'natural' scale. Reliab. Eng. Syst. Saf. 145: 104-110 (2016) - [j32]Ji Hwan Cha, Maxim Finkelstein:
Optimal Long-Run Imperfect Maintenance With Asymptotic Virtual Age. IEEE Trans. Reliab. 65(1): 187-196 (2016) - [j31]Ji Hwan Cha:
Optimal Replacement of Heterogeneous Items With Minimal Repairs. IEEE Trans. Reliab. 65(2): 593-603 (2016) - [j30]Ji Hwan Cha, Carmen Sangüesa, Inmaculada Torres Castro:
Maintenance Policy for a System With Stochastically Dependent Failure Modes With Shock-Accumulation Effect. IEEE Trans. Reliab. 65(3): 1284-1297 (2016) - [j29]Ji Hwan Cha, Maxim Finkelstein:
On Ageing Concepts for Repairable Items From Heterogeneous Populations. IEEE Trans. Reliab. 65(4): 1864-1870 (2016) - 2015
- [j28]Ji Hwan Cha, Inma T. Castro:
A Stochastic Failure Model with Dependent Competing Risks and its Applications to Condition-Based Maintenance. J. Appl. Probab. 52(2): 558-573 (2015) - [j27]Hyunju Lee, Ji Hwan Cha:
Construction of two new general classes of bivariate distributions based on stochastic orders. J. Multivar. Anal. 142: 75-85 (2015) - [j26]Ji Hwan Cha, Maxim Finkelstein:
Environmental stress screening modelling, analysis and optimization. Reliab. Eng. Syst. Saf. 139: 149-155 (2015) - 2014
- [j25]Ji Hwan Cha, Maxim Finkelstein, Francois Marais:
Survival of systems with protection subject to two types of external attacks. Ann. Oper. Res. 212(1): 79-91 (2014) - [j24]Ji Hwan Cha, Maxim Finkelstein:
Stochastic Modeling for Environmental Stress Screening. J. Appl. Probab. 51(2): 387-399 (2014) - [j23]Hyunju Lee, Ji Hwan Cha:
On construction of general classes of bivariate distributions. J. Multivar. Anal. 127: 151-159 (2014) - [j22]Francisco Germán Badía, Carmen Sangüesa, Ji Hwan Cha:
Stochastic comparison of multivariate conditionally dependent mixtures. J. Multivar. Anal. 129: 82-94 (2014) - [j21]Ji Hwan Cha, Maxim Finkelstein:
On some conditional characteristics of hazard rate processes induced by external shocks. Oper. Res. Lett. 42(5): 325-331 (2014) - [j20]Ji Hwan Cha, Maxim Finkelstein:
Some notes on unobserved parameters (frailties) in reliability modeling. Reliab. Eng. Syst. Saf. 123: 99-103 (2014) - 2013
- [j19]Ji Hwan Cha:
On Stochastic Predictions of Failure Processes Under Population Heterogeneity. J. Appl. Probab. 50(3): 810-826 (2013) - [j18]Ji Hwan Cha, Maxim Finkelstein:
On history-dependent shock models. Oper. Res. Lett. 41(3): 232-237 (2013) - [j17]Ji Hwan Cha, Maxim Finkelstein:
The failure rate dynamics in heterogeneous populations. Reliab. Eng. Syst. Saf. 112: 120-128 (2013) - [j16]Ji Hwan Cha, Maxim Finkelstein:
Results for Burn-in of Systems Under External Shocks. IEEE Trans. Reliab. 62(4): 764-771 (2013) - 2012
- [j15]Ji Hwan Cha, Massimiliano Giorgio:
A Note on the Failure Rates in Finite Mixed Populations. J. Appl. Probab. 49(2): 405-415 (2012) - [j14]Ji Hwan Cha, Maxim Finkelstein:
Stochastic analysis of preventive maintenance in heterogeneous populations. Oper. Res. Lett. 40(5): 416-421 (2012) - 2011
- [j13]Ji Hwan Cha, Maxim Finkelstein:
Burn-in and the performance quality measures in heterogeneous populations. Eur. J. Oper. Res. 210(2): 273-280 (2011) - [j12]Ji Hwan Cha:
Comparison of combined stochastic risk processes and its applications. Eur. J. Oper. Res. 215(2): 404-410 (2011) - [j11]Ji Hwan Cha, Maxim Finkelstein:
Burn-in for Systems Operating in a Shock Environment. IEEE Trans. Reliab. 60(4): 721-728 (2011) - 2010
- [j10]Ji Hwan Cha, Maxim Finkelstein:
Burn-in by environmental shocks for two ordered subpopulations. Eur. J. Oper. Res. 206(1): 111-117 (2010) - [j9]Ji Hwan Cha, Eui Yong Lee:
An extended stochastic failure model for a system subject to random shocks. Oper. Res. Lett. 38(5): 468-473 (2010) - [j8]Won Young Yun, Ji Hwan Cha:
Optimal design of a general warm standby system. Reliab. Eng. Syst. Saf. 95(8): 880-886 (2010) - [j7]Ji Hwan Cha, Maxim Finkelstein:
Stochastically Ordered Subpopulations and Optimal Burn-In Procedure. IEEE Trans. Reliab. 59(4): 635-643 (2010)
2000 – 2009
- 2008
- [j6]Seungmin Nam, Ji Hwan Cha, Sinsup Cho:
A Bayesian Change-Point Analysis for Software Reliability Models. Commun. Stat. Simul. Comput. 37(9): 1855-1869 (2008) - [j5]Ji Hwan Cha, Hisashi Yamamoto, Won Young Yun:
Optimal Burn-in for Minimizing Total Warranty Cost. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(2): 633-641 (2008) - 2006
- [j4]Ji Hwan Cha, Hisashi Yamamoto, Won Young Yun:
Optimal Workload for a Multi-Tasking k-out-of-n: G Load Sharing System. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(1): 288-296 (2006) - [j3]Ji Hwan Cha, Sangyeol Lee, Jongwoo Jeon:
Sequential Confidence Interval Estimation for System Availability. Qual. Reliab. Eng. Int. 22(2): 165-176 (2006) - [j2]Ji Hwan Cha:
An extended model for optimal burn-in procedures. IEEE Trans. Reliab. 55(2): 189-198 (2006) - 2005
- [j1]Ji Hwan Cha:
On optimal burn-in procedures - a generalized model. IEEE Trans. Reliab. 54(2): 198-206 (2005)
Coauthor Index
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