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Jurnal Inovasi dan Kreativitas (JIka)
Published by Universitas Serang Raya
ISSN : 27761843     EISSN : 28078047     DOI : https://doi.org/10.30656/jika.v1i1
Core Subject : Economy, Humanities, Science, Social, Engineering,
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Social Sciences
Jurnal Inovasi dan Kreativitas (JIKa) ditujukan sebagai sarana publikasi riset hasil kolaborasi mahasiswa dan dosen atau mahasiswa sendiri. Kkehadiran JIKa diharapkan mampu meningkatkan kuantitas dan kualitas publikasi bersama antara mahasiswa dan dosen Ruang lingkup (scope) JIKa mencakup seluruh bidang keilmuan baik sosial humaniora maupun eksakta.
Arjuna Subject : Umum - Umum
Articles 1 Documents
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Search results for , issue "Vol. 6 No. 1 (2026): February" : 1 Documents clear
Analisis Klorin Sisa dalam Produksi Air Menggunakan Diagram Kontrol MEC dengan Fitur Respons Awal Cepat (FIR) Malinda, Serly
Jurnal Inovasi dan Kreativitas (JIKa) Vol. 6 No. 1 (2026): February
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jika.v6i1.11687

Abstract

Problems: Residual chlorine is a crucial parameter in water production processes to ensure microbiological safety. However, conventional statistical process control charts often exhibit limited sensitivity to detecting small, early shifts, particularly during the initial monitoring (startup) phase. Excessive or insufficient residual chlorine levels may pose health risks and indicate instability in the production process, highlighting the need for more responsive monitoring tools. Purpose: This study aims to evaluate the performance of the Mixed EWMA–CUSUM (MEC) control chart integrated with Fast Initial Response (FIR) and Modified Fast Initial Response (MFIR) features in monitoring free residual chlorine levels in water production systems. Methodology: This study employs a quantitative analytical approach using secondary data obtained from a real water production process. The MEC control chart combines the strengths of EWMA and CUSUM to improve sensitivity to small shifts, while incorporating FIR and MFIR features to enhance early detection during the startup phase. Various parameter combinations are examined to assess detection behavior and control limit characteristics. Results/Findings: The results indicate that the MEC control chart with MFIR features provides earlier and more sensitive detection of potential process deviations compared to conventional approaches. In particular, the MFIR chart with parameters and produces narrower control limits during the initial phase and identifies three out-of-control observations. These findings demonstrate that integrating MFIR into the MEC framework enhances early-stage monitoring performance and offers practical benefits for residual chlorine surveillance in water production systems. Paper Type: quantitative analytical research

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