Improved Phase I Control Charts for Monitoring Times Between Events. - Nirpeksh Kumar; Subha Chakraborti (Qual. Reliab. Eng. Int., 2015)

Phase II Shewhart-type Control Charts for Monitoring Times Between Events and Effects of Parameter Estimation. - Nirpeksh Kumar; Subhabrata Chakraborti (Qual. Reliab. Eng. Int., 2016)

Design and implementation of qth quantile-unbiased tr-chart for monitoring times between events. - Nirpeksh Kumar; Amita Baranwal (Qual. Reliab. Eng. Int., 2019)

Shewhart-type Phase II control charts for monitoring times to an event with a guaranteed in-control and good out-of-control performance. - Nirpeksh Kumar; Amita Baranwal; Subha Chakraborti (Qual. Reliab. Eng. Int., 2020)

Use of median-based estimator to construct Phase II exponential chart. - Nirpeksh Kumar; Sonam Jaiswal (Qual. Reliab. Eng. Int., 2020)

Finite sample performance of an estimator of process capability index C pm for the autocorrelated data. - Aradhana Srivastava; Anoop Chaturvedi; Nirpeksh Kumar (Commun. Stat. Simul. Comput., 2023)

Improving the X-control chart: A novel scheme based on runs and scans rules. - Tribhuvan Singh; Nirpeksh Kumar (Comput. Ind. Eng., 2025)