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Control Charts Analysis for Automatic Filling Machine Performance Evaluation

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This document presents an analytical approach using control charts to assess the performance of an automatic filling machine based on volume measurements taken over several batches between May 8 and May 12. Each batch consistently sampled four product packages, and specific tests were conducted on the resulting data to identify anomalies. Key statistical tests were performed, revealing points that exceeded standard deviation limits, indicating potential issues with the filling process. The analysis aims to ensure quality assurance and adherence to food safety standards.

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Control Charts Analysis for Automatic Filling Machine Performance Evaluation

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  1. VARIABLES CONTROL CHARTS Ir. Budi Nurtama, M.Agr. PS. SUPERVISOR JAMINAN MUTU PANGAN DEP. ILMU DAN TEKNOLOGI PANGAN FATETA - IPB

  2. Rumus Perhitungan Centerline

  3. R Chart

  4. s Chart

  5. CONTOH KASUS Dari berbagai batch yang dihasilkan automatic filling machine pada periode tanggal 8 – 12 Mei, setiap harinya diambil 4 kemasan produk per batch untuk diukur volumenya.

  6. TEST 5. 2 out of 3 points more than 2 standard deviations from center line (on one side of CL). Test Failed at points: 15

  7. TEST 5. 2 out of 3 points more than 2 standard deviations from center line (on one side of CL). Test Failed at points: 15

  8. 315.0 310.0 305.0 300.0 Sample Median 295.0 290.0 285.0 280.0 275.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Batch UCL = 309.6 LCL = 281.4

  9. R Chart Volume Produk UCL = 39.6 LCL = 0.0

  10. Latihan : Misalnya untuk Contoh Kasus Automatic filling machine diketahui bahwa :

  11. Test Results for Xbar Chart TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points: 1, 2, 4, 7, 10, 11, 13, 15 TEST 2. 9 points in a row on same side of center line. Test Failed at points: 17 TEST 5. 2 out of 3 points more than 2 standard deviations from center line (on one side of CL). Test Failed at points: 2, 3, 4, 5, 6, 7, 11, 13, 15 TEST 6. 4 out of 5 points more than 1 standard deviation from center line (on one side of CL). Test Failed at points: 4, 5, 6, 7, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20 Test Results for R Chart TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points: 5, 18

  12. Test Results for Xbar Chart TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points: 1, 2, 4, 7, 10, 11, 13, 15 TEST 2. 9 points in a row on same side of center line. Test Failed at points: 17 TEST 5. 2 out of 3 points more than 2 standard deviations from center line (on one side of CL). Test Failed at points: 2, 3, 4, 5, 6, 7, 11, 13, 15 TEST 6. 4 out of 5 points more than 1 standard deviation from center line (on one side of CL). Test Failed at points: 4, 5, 6, 7, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20 Test Results for S Chart TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points: 5, 15, 18

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