Puspita, Anggela (2025) PENGENDALIAN KUALITAS AIR BERSIH DI RESERVOIR ZAMP PERUMDA TIRTA MANUNTUNG BALIKPAPAN DENGAN MENGGUNAKAN DIAGRAM KONTROL MEWMA DAN MEWMV. Bachelor thesis, Institut Teknologi Kalimantan.
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Abstract
Kualitas air bersih merupakan aspek penting dalam pelayanan publik yang disediakan oleh Perumda Tirta Manuntung Balikpapan. Permasalahan utama yang dihadapi adalah fluktuasi kualitas air yang menyebabkan proses pengolahan tidak selalu berada dalam kendali statistik. Penelitian ini bertujuan mengendalikan kualitas air di reservoir ZAMP dengan menerapkan diagram kontrol Multivariate Exponentially Weighted Moving Average (MEWMA) dan Multivariate Exponentially Weighted Moving Variance (MEWMV). Tahapan penelitian mencakup identifikasi masalah, pengumpulan data parameter fisika dan kimia air, serta pengujian asumsi normalitas multivariat dan dependensi. Diagram MEWMA digunakan untuk memantau rata-rata proses, sedangkan MEWMV untuk memantau variabilitas proses. Berbagai kombinasi pembobot A dan w diuji untuk memperoleh hasil optimal. Hasil analisis menunjukkan bahwa MEWMA dengan 2 = 0.1 untuk parameter fisika, dan A = 0.9 untuk parameter kimia efektif mendeteksi pergeseran kecil pada rata-rata proses. Sementara itu, MEWMV dengan λ = 0.9 dan w = 0.1 mampu memantau variabilitas proses secara efektif. Analisis kapabilitas proses menunjukkan beberapa variabel telah memenuhi standar, namun variabel seperti warna, sisa klor bebas, dan suhu masih memerlukan perbaikan. Secara multivariat, MP, dinyatakan kapabel meskipun MPpk masih perlu ditingkatkan karena presisi dan akurasi proses belum baik, rata-rata dan variasi proses belum berada dalam batas spesifikasi. Kombinasi penggunaan diagram kontrol MEWMA dan MEWMV memberikan pendekatan pengendalian proses yang lebih komprehensif dan dapat dijadikan dasar pengambilan keputusan dalam upaya peningkatan kualitas air bersih secara berkelanjutan. Kata kunci: Air Minum, Diagram Kontrol, MEWMA, MEWMV, Perumda Tirta Manuntung.
| Item Type: | Thesis (Bachelor) |
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| Subjects: | Q Science > QA Mathematics |
| Divisions: | Jurusan Matematika dan Teknologi Informasi > Matematika |
| Depositing User: | Anggela Puspita |
| Date Deposited: | 14 Jul 2025 06:09 |
| Last Modified: | 14 Jul 2025 06:09 |
| URI: | http://repository.itk.ac.id/id/eprint/24408 |
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