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All Journal J@TI (TEKNIK INDUSTRI) Jurnal Ilmiah Teknik Industri
Winnie Septiani
Jurusan Teknik Industri Universitas Trisakti Jl. Kyai Tapa No.1 Jakarta 11440
Industrial & Manufacturing Engineering

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Perbandingan Performansi Teknik Klasifikasi Breakdown Mesin pada Proses Produksi Pembuatan Battery Mobil Marie, Iveline Anne; Hakim, Lukmanul; Sugiarto, Dedy; Septiani, Winnie
Jurnal Ilmiah Teknik Industri Vol. 18, No. 1, Juni 2019
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v18i1.7232

Abstract

Data mining is useful in finding interesting patterns of hidden information in a database with specified algorithms. Management of uncertainty in the automotive industry supply chain, with case data at PT QQQ that produce car batteries, classification techniques are used to manage uncertainty in the case of engine breakdown. Based on the utilization of classification techniques, performance comparison analysis was carried out from several methods, namely Decision Tree, Bagging, Boosting and Random Forest. The research data is divided into testing data (75%) and training data (25%). This study uses Software R for analysis needs. The need for testing the goodness of the model uses package (caret) help to see the value of accuracy, sensitivity and specificity. The analysis shows that the Random Forest and Bagging method is superior compared to the Decision Tree and Boosting methods based on accuracy criteria, while the sensitivity criteria, Bagging and Boosting methods are superior to Random Forest and DecisionTree. The lowest sensitivity value is owned by the Decision Tree Method, which indicates that the ability of the method is weak in predicting very few classes. 
PENDEKATAN KOMBINASI METODE AHP DAN METODE CUT OFF POINT PADA TAHAP ANALISIS KEPUTUSAN PERANCANGAN SISTEM INFORMASI PENJUALAN PT.X Septiani, Winnie
J@ti Undip : Jurnal Teknik Industri Volume 4, No. 3, September 2009
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (344.046 KB) | DOI: 10.12777/jati.4.3.195-204

Abstract

PT. Indhira Travindo merupakan salah satu agen perjalanan wisata ke Negara United Arab Emirates (UAE) khususnya negara Abu Dhabi dan Dubai.  Sistem penjualan perusahaan saat ini sering kali mengalami masalah-masalah yang akhirnya akan memperlambat proses penjualan. Hasil analisis sistem menunjukkan bahwa masalah yang sedang dihadapi perusahaan adalah data penjualan perusahaan sering hilang, waktu pelayanan yang lama, belum adanya prosedur penjualan yang memadai, waktu pembuatan laporan yang cukup lama dan hal lain. Berdasarkan permasalahan-permasalahan yang dihadapi tersebut maka perlu dilakukan analisis keputusan terhadap kebutuhan sistem informasi penjualan.  Tahap analisis keputusan merupakan salah satu bagian penting dalam metodologi. Tahap ini merupakan tahap untuk pengambilan keputusan mengenai sistem informasi apakah yang akan dibangun  berdasarkan hasil  analisis masalah dan analisis kebutuhan sistem informasi. Metode Cut off Point akan digunakan dalam hal memilih kriteria berdasarkan opini sejumlah responden/pengambil keputusan dengan memberikan indeks terhadap derajat kepentingan masing-masing kriteria dan dipergunakan sebagai komponen pembangun struktur hirarki Analytical Hierarchy Process (AHP). Validitas kriteria yang terpilih ditentukan berdasarkan hasil perundingan pihak yang terkait langsung dan user  dalam sebuah forum diskusi ”Nominal Group Tehnic” (NGT) . Kata kunci : analisis keputusan, cut off point, AHP, NGT     Abstract   PT.X as one of traveling agency to United Arab Emirates (UAE) countries especially Abu Dhabi and Dubai. The selling system nowadays often encounters some problems which eventually will slow the selling process down. The results of the analysis showed that the problems encountered by the company are the lost of selling data happens very often, the services takes quite a long time, the selling procedure is not well available, the making of the report takes a long time and so on. Decision analysis for selling information system is needed to solve the problem on the selling system. One of the important parts in action planning of System Information Method is phase of Decision Analysis. It forms phase for decision making about what kind of System Information will built based on problem analysis results and necessity of System Information analysis. Cut-Off Point Method will use in choosing criteria based on opinions of respondents/decision makers by give index across degree of each criteria importance and used as component of hierarchy structure builder of Analytical Hierarchy Process (AHP). The chosen criteria of validity fixed by result of discuss between personal direction and user in a “Nominal Group Techic” NGT discussion forum. Keyword : Decision analysis, cut-  off point, AHP, NGT
PENERAPAN ENGINEERING CONTROL DAN ADMINISTRATIVE CONTROL SEBAGAI BENTUK INTERVENSI ERGONOMI DI PT GANDING TOOLSINDO Rizani, Nataya Charoonsri; Bramandita, Rico; Septiani, Winnie
J@ti Undip : Jurnal Teknik Industri Volume 6, No.2, Mei 2011
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.461 KB) | DOI: 10.12777/jati.6.2.105-110

Abstract

PT. Ganding Toolsindo,sebuah perusahaan  manufaktur yang bergerak di bidang industri otomotif, mengalami permasalahan ergonomi berdasarkan tanda-tanda umum terjadinya permasalahan ergonomi yaitu apparent trend in accidents and injuries, incidence of CTD (cumulative trauma disorder), absenteeism & high turnover rates, employee complaints, poor quality,dan  manual material handling. Permasalahan  yang menjadi focus untuk diselesaikan oleh perusahaan adalah CTD. Penelitian  pada dua stasiun kerja utama  yang bermasalah  yaitu mesin chinfong dan ada yang menggunakan tiga tools yaitu Rapid Upper Limb Assessment (RULA), Nordic Body Map dan pengukuran momen tubuh dengan software Mannequin Pro 7. Hasil dari ketiga tools ini menunjukkan perlu dilakukan intervensi ergonomi dengan pendekatan engineering control maupun administrative control. Intervensi dengan pendekatan engineering control dilakukan dengan meninggikan area kerja dan modifikasi bangku kerja, sedangkan pendekatan administrative control dilakukan dengan menerapkan rotasi kerja dan pemanasan tubuh sebelum bekerja. Hasil implementasi intervensi ergonomic menunjukkan adalanya penurunan pada skor RULA, persentasi keluhan tubuh dan penggunaan momen tubuh. Kata Kunci: CTD, intervensi ergonomi, engineering control, administrative control     PT. Ganding Toolsindo, a manufacturing company engaged in the automotive industry, ergonomics problems experienced by general signs of ergonomics problems are apparent trend in accidents and injuries, incidence of CTD (cumulative trauma disorder), high absenteeism & turnover rates, employee complaints, poor quality, and manual material handling. The problems to be resolved by the company's focus for the CTD. Research on the two main work stations that are problematic and aida chinfong machine uses three tools namely Rapid Upper Limb Assessment (Rula), Nordic Body Map and measurement of body moments with Mannequin Pro 7 software. The results of all three tools show ergonomics intervention needs to be done with engineering controls and administrative approach control. Intervention by engineering control approach conducted by elevating the work area and modification work benches, while the administrative approach to control is done by implementing job rotation and heating of the body before work. The results of the implementation of ergonomic interventions showed a decrease in scores adalanya Rula, percentage of body complaints and use of body moments. Keyword: CTD, ergonomic intervention, engineering controls, administrative controls
PERANCANGAN RUANG KERJA DOSEN DAN PENATAAN DOKUMEN MENGGUNAKAN METODE 5S DI JURUSAN TEKNIK INDUSTRI, UNIVERSITAS TRISAKTI Faradilla, Arnes; Septiani, Winnie; Azmi, Nora; Kansa, Syafa
J@ti Undip : Jurnal Teknik Industri Vol 14, No 2 (2019): Mei 2019
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (649.358 KB) | DOI: 10.14710/jati.14.2.81-86

Abstract

Setiap Dosen memiliki tugas utama terkait dengan tridharma yaitu Pendidikan dan Pengajaran, Penelitian, Pengabdian Kepada Masyarakat (PKM), dan Penunjang Tridharma. Dokumen yang digunakan banyak dan harus disimpan dengan rapi di ruang kerja untuk keperluan kegiatan Dosen seperti Beban Kerja Dosen (BKD) dan kepangkatan. Hasil penelitian pendahuluan menunjukkan sebanyak 62,5% Dosen menyatakan kesulitan dalam menyimpan dokumen di ruang kerja dan sebanyak 81,25% menyatakan perlu adanya perbaikan di ruang kerja. Penelitian ini bertujuan untuk merancang ruang kerja Dosen dan penataan dokumen menggunakan metode 5S. Penelitian diawali dengan penguraian aktivitas Dosen dan pengelompokkan dokumen, perancangan ruang kerja dan fasilitas penyimpanan dokumen, identifikasi kondisi awal ruang kerja, penerapan 5S dan evaluasi hasil rancangan menggunakan Office 5S Audit Checklist. Penelitian ini menghasilkan penataan dokumen yang tersusun rapi berdasarkan prinsip 5S, rancangan almari dengan kriteria biaya yang tidak terlalu mahal, ukuran dan desain disesuaikan dengan ukuran ruangan dan dokumen yang akan disimpan. Hasil penilaian performansi 5S di ruang kerja Dosen sebelum penerapan 5S diperoleh skor rata-rata sebesar 56,83 dengan kategori rating fair, dan setelah penerapan 5S skor rata-rata menjadi 92 dengan kategori rating excellent yang menunjukan peningkatan sebesar 50%.  Abstract[Planning Lecturer Working Room and Document Arrangement Using 5S Method In Department Industrial Engineering, Trisakti University] Every lecturer has main duty to fulfill Tridharma Perguruan Tinggi which are Education and Teaching, Research and PKM. All of the documents must be stored in order to easier the lecturer to necessity of BKD and raising the grade. The preliminary research about the lecture’s working room, the result stated that as much as 62.5% lectures have difficulties to store the documents in their working room. Several lecturers stated that the facilities such as board is unappropriate. Another 81.25% of lecturers stated is necessary to improve the system to store the documents their working room.The purpose of this research is to design the lecture’s working room and organize the documents using 5S method. The research is began with describing of lecturer activities and documents grouping, designing of lecturer’s room and facility of documents storage, initial identification of lecturer’s room, application of 5S method and evaluation of this application. This reseach has result of document structuring based on 5S method, document board which have criterion such as cheaper price, size and design appropriate with the room and documents will be stored. The result of 5S performance in lecturer’s room before using 5S method id 56.83 which is fair category, and after using 5S the score is increase become 92 which is excellent catogory. It can be conclude that there is increasing the score almost 50%.Keywords: ergonomic; office ergonomic; office 5S audit checklist; score 5S
Co-Authors A.A. Ketut Agung Cahyawan W Dedy Sugiarto Dorina Hetharia Emelia Sari Faradilla, Arnes Kansa, Syafa Marie, Iveline Anne Nataya Charoonsri Rizani Nora Azmi PUDJI ASTUTI Rico Bramandita Triwulandari SD, Triwulandari