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ResearcherID: Q-3922-2018
Scopus Author ID: 57220910886

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Employment (2)

International University of Business Agriculture and Technology: Dhaka, BD

2012 to present | Associate Professor (Mathematics)
Employment
Source: Self-asserted source
Saha Sajal

University Sains Malaysia: Penang, Malaysia, MY

2023-11-01 to 2024-10-31 | POST-DOCTORAL FELLOW (School of Mathematical Sciences)
Employment
Source: Self-asserted source
Saha Sajal

Education and qualifications (2)

Universiti Sains Malaysia Pusat Pengajian Sains Matematik: Pulau Pinang, Pulau Pinang, MY

2015-11-01 to 2019-01-15 | PhD (Mathematics)
Education
Source: Self-asserted source
Saha Sajal

University of Dhaka: Dhaka, Dhaka, BD

2004 to 2011 | MS & B.Sc (Mathematics)
Education
Source: Self-asserted source
Saha Sajal

Works (50 of 53)

Items per page:
Page 1 of 2

Enhanced Designs for the Multi‐Region Run Sum X¯${{\bar{X}}}$ Control Chart Based on the Median Run Length Metric

Quality and Reliability Engineering International
2025-01-13 | Journal article
DOI: 10.1002/qre.3721
Contributors: Wei Lin Teoh; Jing Wei Teoh; Kai Le Goh; Zhi Song; Sajal Saha
Source: check_circle
Crossref

Optimal designs of variable sample size control chart for monitoring the multivariate coefficient of variation in short production runs

Communications in Statistics - Simulation and Computation
2025-01-02 | Journal article
DOI: 10.1080/03610918.2023.2251727
Contributors: YiYing Chew; Michael B. C. Khoo; Khai Wah Khaw; Ming Ha Lee; Sajal Saha
Source: check_circle
Crossref
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A partitioned weighted moving average control chart

Journal of Applied Statistics
2024 | Journal article
DOI: 10.1080/02664763.2024.2392122
EID:

2-s2.0-85203278784

Part of ISSN: 13600532 02664763
Contributors: Zafar, R.F.; Khoo, M.B.C.; You, H.W.; Saha, S.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

An Enhanced Double EWMA Chart for Monitoring the Process Mean Shifts

Lecture Notes in Electrical Engineering
2024 | Conference paper
DOI: 10.1007/978-981-99-9005-4_48
EID:

2-s2.0-85190390880

Part of ISBN: 9789819990047
Part of ISSN: 18761119 18761100
Contributors: Ng, P.S.; Goh, S.Y.; Saha, S.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Auxiliary information based HEWMA chart using variable sampling interval

Quality and Quantity
2024 | Journal article
DOI: 10.1007/s11135-024-01830-z
EID:

2-s2.0-85189087489

Part of ISSN: 15737845 00335177
Contributors: Ng, P.S.; Yeong, W.C.; Saha, S.; Lim, S.L.; Lau, W.K.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
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Monitoring the mean of autocorrelated data with long memory from cable production using one-sided runs rules schemes with ARFIMA (1,d,1) model

Quality and Reliability Engineering International
2024 | Journal article
DOI: 10.1002/qre.3495
EID:

2-s2.0-85183918461

Part of ISSN: 10991638 07488017
Contributors: Babatunde, O.T.; Khoo, M.B.C.; Saha, S.; Godase, D.G.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
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On the performances of the (Formula Presented.) and EWMA charts with auxiliary information for monitoring the process mean in short production runs

Communications in Statistics: Simulation and Computation
2024 | Journal article
DOI: 10.1080/03610918.2022.2039197
EID:

2-s2.0-85126815705

Part of ISSN: 15324141 03610918
Contributors: Saha, S.; Ng, W.C.; Khoo, M.B.C.; Abubakar, S.S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

Optimal triple sampling X¯ charts for autocorrelated processes

Computers and Industrial Engineering
2024 | Journal article
DOI: 10.1016/j.cie.2024.110347
EID:

2-s2.0-85199134993

Part of ISSN: 03608352
Contributors: Babatunde, O.T.; B. C. Khoo, M.; Saha, S.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Performance of the Auxiliary Information Based Hybrid EWMA Chart with Fast Initial Response

Lecture Notes on Data Engineering and Communications Technologies
2024 | Book chapter
DOI: 10.1007/978-981-97-0293-0_39
EID:

2-s2.0-85192753923

Part of ISSN: 23674520 23674512
Contributors: Ng, P.S.; Lim, H.T.; Yeong, W.C.; Saha, S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Triple sampling X̄ control chart for gamma process

International Journal of Production Research
2024 | Journal article
DOI: 10.1080/00207543.2024.2338881
EID:

2-s2.0-85190942414

Part of ISSN: 1366588X 00207543
Contributors: Mahmood, Y.; Khoo, M.B.C.; Teh, S.Y.; Saha, S.; Teoh, W.L.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Variable Parameters t Chart: An Application in Automobile Engine Piston Rings Manufacturing Process

International Journal of Reliability, Quality and Safety Engineering
2024-12 | Journal article
DOI: 10.1142/S0218539324500372
Contributors: Sajal Saha; Michael B. C. Khoo; Faijun Nahar Mim; Kashinath Chatterjee; Wai Chung Yeong
Source: check_circle
Crossref

Effects of measurement errors on semicircle control chart

Quality Engineering
2024-10-08 | Journal article
DOI: 10.1080/08982112.2024.2409457
Contributors: Zhou Haizhen; Michael B. C. Khoo; Oluwagbenga Tobi Babatunde; Sajal Saha
Source: check_circle
Crossref

A Proposed Hybrid GA-TDDPL-CNN-LSTM Architecture for Stock Trend Prediction

International Journal of Intelligent Systems and Applications in Engineering
2023 | Journal article
EID:

2-s2.0-85174837181

Part of ISSN: 21476799
Contributors: Loo, W.C.; Malik, E.F.; Chew, X.; Khaw, K.W.; Saha, S.; Lee, M.H.; Akasheh, M.A.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

A side-sensitive group runs median control chart with measurement errors

Communications in Statistics: Simulation and Computation
2023 | Journal article
DOI: 10.1080/03610918.2021.1888997
EID:

2-s2.0-85101827920

Part of ISSN: 15324141 03610918
Contributors: Mim, F.N.; Khoo, M.B.C.; Saha, S.; Khaw, K.W.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Optimal design of S<sup>2</sup>-EWMA control chart for short production runs

Quality and Reliability Engineering International
2023 | Journal article
DOI: 10.1002/qre.3396
EID:

2-s2.0-85161920435

Part of ISSN: 10991638 07488017
Contributors: Ong, K.; Teh, S.; Saha, S.; Khoo, M.; Soh, K.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Proposed variable sampling interval maximum EWMA and distance EWMA charts with unknown process parameters

Stat
2023 | Journal article
DOI: 10.1002/sta4.605
EID:

2-s2.0-85168459850

Part of ISSN: 20491573
Contributors: Parvin, R.; Khoo, M.B.C.; Saha, S.; Teoh, W.L.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Side sensitive group runs t chart and its application in manufacturing

Communications in Statistics: Simulation and Computation
2023 | Journal article
DOI: 10.1080/03610918.2021.1951762
EID:

2-s2.0-85111572575

Part of ISSN: 15324141 03610918
Contributors: Saha, S.; Khoo, M.B.C.; Mim, F.N.; Ng, T.F.; Khaw, K.W.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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A new EWMA median chart with measurement errors in short production runs–An application in yogurt cup filling process

Quality and Reliability Engineering International
2022 | Journal article
DOI: 10.1002/qre.3055
EID:

2-s2.0-85122508427

Part of ISSN: 10991638 07488017
Contributors: Saha, S.; Khoo, M.B.C.; Abubakar, S.S.; Das, U.K.; Lee, M.H.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

A proposed variable sampling interval median chart for identifying out-of-control signals in process control

Proceedings of 2022 25th International Conference on Computer and Information Technology, ICCIT 2022
2022 | Conference paper
DOI: 10.1109/ICCIT57492.2022.10055777
EID:

2-s2.0-85150202120

Part of ISBN: 9798350346022
Contributors: Saha, S.; Parvin, R.; Ng, P.S.; Khoo, M.B.C.; Chew, X.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

A side-sensitive synthetic chart for the multivariate coefficient of variation

PLoS ONE
2022 | Journal article
DOI: 10.1371/journal.pone.0270151
EID:

2-s2.0-85133255513

Part of ISSN: 19326203
Contributors: Yeong, W.C.; Lim, S.L.; Chong, Z.L.; Khoo, M.B.C.; Saha, S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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A variable sampling interval EWMA t chart with auxiliary information – A robustness study in the presence of estimation error

Alexandria Engineering Journal
2022 | Journal article
DOI: 10.1016/j.aej.2021.11.033
EID:

2-s2.0-85119928525

Part of ISSN: 11100168
Contributors: Ng, P.S.; Khoo, M.B.C.; Saha, S.; Lee, M.H.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Effect of measurement errors on triple sampling (Formula presented.) chart

Quality and Reliability Engineering International
2022 | Journal article
DOI: 10.1002/qre.3061
EID:

2-s2.0-85122315371

Part of ISSN: 10991638 07488017
Contributors: Umar, A.A.; Khoo, M.B.C.; Saha, S.; Haq, A.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

New run sum t charts with variable sampling intervals for process mean

Communications in Statistics: Simulation and Computation
2022 | Journal article
DOI: 10.1080/03610918.2020.1770285
EID:

2-s2.0-85086678751

Part of ISSN: 15324141 03610918
Contributors: Mim, F.N.; Khoo, M.B.C.; Saha, S.; Haq, A.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

On designing TEWMA-Tukey control charts for normal and non-normal processes using single and repetitive sampling schemes

Computers and Industrial Engineering
2022 | Journal article
DOI: 10.1016/j.cie.2022.108343
EID:

2-s2.0-85132696502

Part of ISSN: 03608352
Contributors: Mahmood, Y.; Khoo, M.B.C.; Teh, S.Y.; Saha, S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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Revised triple sampling control charts for the mean with known and estimated process parameters

International Journal of Production Research
2022 | Journal article
DOI: 10.1080/00207543.2021.1943035
EID:

2-s2.0-85109841201

Part of ISSN: 1366588X 00207543
Contributors: Mim, F.N.; Khoo, M.B.C.; Saha, S.; Castagliola, P.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

Run sum ratio chart when measurement errors are present

Quality and Reliability Engineering International
2022 | Journal article
DOI: 10.1002/qre.3186
EID:

2-s2.0-85136520955

Part of ISSN: 10991638 07488017
Contributors: Abubakar, S.S.; Khoo, M.B.C.; Saha, S.; Umar, A.A.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

Two CUSUM schemes for simultaneous monitoring of unknown parameters of a shifted exponential process and its application in monitoring of call durations in telemarketing

Quality Technology and Quantitative Management
2022 | Journal article
DOI: 10.1080/16843703.2021.1993567
EID:

2-s2.0-85118320446

Part of ISSN: 16843703
Contributors: Saha, S.; Mukherjee, A.; Khoo, M.B.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
Preferred source (of 2)‎

The median control chart for process monitoring in short production runs

Communications in Statistics - Simulation and Computation
2022-10-03 | Journal article
DOI: 10.1080/03610918.2020.1783557
Contributors: Michael B. C. Khoo; Sajal Saha; Sin Yin Teh; Abdul Haq; How Chinh Lee
Source: check_circle
Crossref
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Variable sampling interval EWMA chart for multivariate coefficient of variation

Communications in Statistics - Theory and Methods
2022-07-18 | Journal article
DOI: 10.1080/03610926.2020.1818100
Contributors: Heba N. Ayyoub; Michael B. C. Khoo; Sajal Saha; Ming Ha Lee
Source: check_circle
Crossref
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Run sum control chart for monitoring the ratio of population means of a bivariate normal distribution

Communications in Statistics - Theory and Methods
2022-07-03 | Journal article
DOI: 10.1080/03610926.2020.1818099
Contributors: Sani Salihu Abubakar; Michael B. C. Khoo; Sajal Saha; Wei Lin Teoh
Source: check_circle
Crossref
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Constructing Bootstrap Confidence Intervals of Process Capability Indices for a Three Parameter Weibull Distribution

MATEMATIKA
2022-04-29 | Journal article
DOI: 10.11113/matematika.v38.n1.1365
Part of ISSN: 0127-9602
Part of ISSN: 0127-8274
Contributors: Shafaqat Ali; Michael Boon Chong Khoo; Mohammad Kashif; Zunair Javed; Sajal Saha
Source: Self-asserted source
Saha Sajal

A new distribution-free adaptive sample size control chart for a finite production horizon and its application in monitoring fill volume of soft drink beverage bottles

Applied Stochastic Models in Business and Industry
2021 | Journal article
DOI: 10.1002/asmb.2545
EID:

2-s2.0-85086507320

Part of ISSN: 15264025 15241904
Contributors: Khatun, M.; Khoo, M.B.C.; Saha, S.; Castagliola, P.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

A new exponentially weighted moving average chart with an adaptive control scheme for high yield processes—An application in injection molding process

Quality and Reliability Engineering International
2021 | Journal article
DOI: 10.1002/qre.2747
EID:

2-s2.0-85089457136

Part of ISSN: 10991638 07488017
Contributors: Abubakar, S.S.; Khoo, M.B.C.; Saha, S.; Lee, M.H.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Auxiliary Information Based Variable Sampling Interval EWMA Chart for Process Mean Using Expected Average Time to Signal

International Journal of Mathematics and Computer Science
2021 | Journal article
EID:

2-s2.0-85111781187

Part of ISSN: 18140432 18140424
Contributors: Umar, A.A.; Khoo, M.B.C.; Saha, S.; Chong, Z.L.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

One-sided 4-out-of-5 run rules charts for the multivariate coefficient of variation in the finite horizon process

WSEAS Transactions on Mathematics
2021 | Journal article
DOI: 10.37394/23206.2021.20.47
EID:

2-s2.0-85116050566

Part of ISSN: 22242880 11092769
Contributors: Khaw, K.W.; Chew, X.; Lee, M.H.; Yeong, W.C.; Saha, S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Progressive mean control chart is not a special case of an exponentially weighted moving average control chart

Quality and Reliability Engineering International
2021 | Journal article
DOI: 10.1002/qre.2886
EID:

2-s2.0-85104522402

Part of ISSN: 10991638 07488017
Contributors: Zafar, R.F.; Khoo, M.B.C.; Saha, S.; Chong, Z.L.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
grade
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A variable parameters auxiliary information based quality control chart with application in a spring manufacturing process: The Markov chain approach

Quality Engineering
2021-04-03 | Journal article
DOI: 10.1080/08982112.2020.1830417
Contributors: Nger Ling Chong; Michael B. C. Khoo; Philippe Castagliola; Sajal Saha; Faijun Nahar Mim
Source: check_circle
Crossref
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Side‐sensitive modified group runs charts with and without measurement errors for monitoring the coefficient of variation

Quality and Reliability Engineering International
2021-03 | Journal article
DOI: 10.1002/qre.2751
Contributors: Sajal Saha; Michael B. C. Khoo; Philippe Castagliola; Abdul Haq
Source: check_circle
Crossref
grade
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Economic and economic‐statistical designs of the side sensitive group runs chart with auxiliary information

Quality and Reliability Engineering International
2021-01-19 | Journal article
DOI: 10.1002/qre.2841
Part of ISSN: 0748-8017
Part of ISSN: 1099-1638
Source: Self-asserted source
Saha Sajal
grade
Preferred source (of 2)‎

A combined variable sampling interval and double sampling control chart with auxiliary information for the process mean

Transactions of the Institute of Measurement and Control
2020 | Journal article
DOI: 10.1177/0142331219885525
EID:

2-s2.0-85075395186
Contributors: Umar, A.A.; Khoo, M.B.C.; Saha, S.; Haq, A.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Economic and economic-statistical designs of auxiliary information based synthetic and EWMA charts

Communications in Statistics: Simulation and Computation
2020 | Journal article
DOI: 10.1080/03610918.2019.1664575
EID:

2-s2.0-85073961787

Part of ISSN: 15324141 03610918
Contributors: Ng, P.S.; Khoo, M.B.C.; Saha, S.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Run sum chart for the mean with auxiliary information

Journal of Testing and Evaluation
2020 | Journal article
DOI: 10.1520/JTE20170707
EID:

2-s2.0-85065151290
Contributors: Ng, P.S.; Khoo, M.B.C.; Saha, S.; Teh, S.Y.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Multivariate coefficient of variation charts with measurement errors

Computers & Industrial Engineering
2020-09 | Journal article
DOI: 10.1016/j.cie.2020.106633
Contributors: Heba N. Ayyoub; Michael B.C. Khoo; Sajal Saha; Philippe Castagliola
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

A side-sensitive modified group runs control chart with auxiliary information to detect process mean shifts

Pertanika Journal of Science and Technology
2019 | Journal article
EID:

2-s2.0-85065891506
Contributors: Mim, F.N.; Saha, S.; Chong, M.K.B.; Khatun, M.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

A variable sample size and sampling interval control chart for monitoring the process mean using auxiliary information

Quality Technology and Quantitative Management
2019 | Journal article
DOI: 10.1080/16843703.2018.1430523
EID:

2-s2.0-85041615468
Contributors: Saha, S.; Khoo, M.B.C.; Lee, M.H.; Haq, A.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Side-sensitive group runs chart for detecting mean shifts using auxiliary information

AIP Conference Proceedings
2019 | Conference paper
DOI: 10.1063/1.5136398
EID:

2-s2.0-85076690428

Part of ISBN:

15517616 0094243X
Contributors: Saha, S.; Chong, M.K.B.; Umar, A.A.; Ng, P.S.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Variable sampling interval exponentially weighted moving average median chart with estimated process parameters

Quality and Reliability Engineering International
2019 | Journal article
DOI: 10.1002/qre.2554
EID:

2-s2.0-85070800550
Contributors: Khoo, M.B.C.; Saha, S.; Lee, H.C.; Castagliola, P.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Variable sampling interval run sum median charts with known and estimated process parameters

Computers & Industrial Engineering
2019-01 | Journal article
DOI: 10.1016/j.cie.2018.10.049
Contributors: Sajal Saha; Michael B.C. Khoo; P.S. Ng; Z.L. Chong
Source: check_circle
Crossref
grade
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A side-sensitive modified group runs double sampling (SSMGRDS) control chart for detecting mean shifts

Communications in Statistics: Simulation and Computation
2018 | Journal article
DOI: 10.1080/03610918.2017.1311918
EID:

2-s2.0-85021455452
Contributors: Saha, S.; Khoo, M.B.C.; Lee, M.H.; Castagliola, P.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier

Double sampling control charts for monitoring the coefficient of variation

2018 2nd International Conference on Smart Sensors and Application, ICSSA 2018
2018 | Conference paper
DOI: 10.1109/ICSSA.2018.8535900
EID:

2-s2.0-85058468799
Contributors: Ng, P.S.; Khoo, M.B.C.; Saha, S.; Yeong, W.C.
Source: Self-asserted source
Saha Sajal via Scopus - Elsevier
Items per page:
Page 1 of 2

Peer review (2 reviews for 2 publications/grants)

Review activity for Computers & industrial engineering. (1)
Review activity for Journal of computational and applied mathematics. (1)
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