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Manajemen Produksi dan Operasi Schedulling – Johnson rules M-12.

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Presentasi berjudul: "Manajemen Produksi dan Operasi Schedulling – Johnson rules M-12."— Transcript presentasi:

1 Manajemen Produksi dan Operasi Schedulling – Johnson rules M-12

2 Andre Sugiyono 2006 Jurusan Teknik Industri UNISSULA 15-2  Used to sequence N jobs through 2 machines in the same order © 1995 Corel Corp. SawDrill Job A Job B Job C Jobs (N = 3)

3  Johnson’s Rule – a technique for minimizing makespan in a two-stage process  Step 1 – List the jobs and the processing time for each activity  Step 2 – Find the shortest activity processing time among the jobs  If the shortest processing time is for a 1 st activity, schedule that job first  If the shortest processing time is for 2 nd activity, schedule that job last  Step 3 – Find the shortest activity processing time among the remaining jobs and schedule as in step 2 above. Repeat until all jobs are scheduled.

4 Activity 1 (Mopping) days Activity 2 (Waxing) days A. R. Auditorium12 B. R. Serbaguna35 C. Ruang Dosen24 D. R. Perpustakaan54 E. R. Expo42

5 SequenceActivity 1 (Mopping) days Activity 2 (Waxing) days A. R. Auditorium12 C. Ruang Dosen24 B. R. Serbaguna35 D. R. Perpustakaan54 E. R. Expo42

6  Penjadwalan kapasitas Terbatas (finite capacity schedule)  Bottleneck  Penjadwalan produksi berulang (mass production)


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