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All Journal Jurnal Teknik Industri Jurnal Rekayasa Sistem Industri Abdimas Industrial and Systems Engineering Assessment Journal (INASEA) JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Journal Industrial Servicess Jurnal Ilmiah Teknik Industri Jurnal IPTEK Jurnal Sistem dan Manajemen Industri Jurnal Penelitian Pendidikan IPA (JPPIPA) MITRA: Jurnal Pemberdayaan Masyarakat JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Bakti Masyarakat Indonesia International Journal of Industrial Engineering and Engineering Management MANASA, Jurnal Ilmiah Psikologi Pharmacy Reports Jurnal Pengabdian Masyarakat Charitas Metris: Jurnal Sains dan Teknologi

Christine Natalia

Program Studi Teknik Industri, Fakultas Teknik Universitas Katolik Indonesia Atma Jaya, Jakarta

Author-ID : 328922

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

Published : 41 Documents Claim Missing Document

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ANGAN PROGRAM APLIKASI SISTEM DISTRIBUSI DENGAN METODE SAVING MATRIX SEBAGAI DASAR KEPUTUSAN PEMBELIAN ARMADA (STUDI KASUS: PT KABELINDO MURNI TBK.) Natalia, Christine; Dicky, Dicky
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 12, No 2 (2011): INASEA Vol. 12 No. 2
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

Show Abstract | Download Original | Original Source | Check in Google Scholar

PT Kabelindo Murni Tbk. is a company involved in the industry of manufacturing electricalÂ cable, telecommunication cable, and cable utilities. Nowadays, the company is implementingÂ distribution system which is based on the partnership with the expedition company by using threeÂ kinds of transportations. The system is facing a problem where the transportation rental cost isÂ high for each delivery to main distributors. This research proposes two new alternatives ofÂ distribution transportation system. The first alternative is to buy new batch of transportation forÂ the company based on the currently rented transportation capacity. In the other hand, the secondÂ alternative is with route planning and rearrangement of delivery order of the current system. TheÂ use of company transportation is arranged with Saving Matrix, which is done with the goodsÂ weight and transportation volume. The proposed distribution system is done based on the minimumÂ cost of both alternative systems. The result shows that the current transportation rental system hasÂ the lower cost compared to the first alternative with the total cost Rp 196.200.000,00. The costÂ difference between the first alternative of the current system with the second alternative is RpÂ 202.467.482,00. The chosen system is the second alternative, using the transportation rentalÂ service to deliver to four distributors in Jakarta, Bekasi, and Tangerang.

Integrated analytic hierarchy process and mixed integer programming for supplier selection in mold and dies industry Silalahi, Agustinus; Sukwadi, Ronald; Pramesjwari, Duhita Al Hayyu; Oktavia, Chendrasari Wahyu; Natalia, Christine
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 2 (2019)
Publisher : Universitas Serang Raya

PT. GMT has a mission to deliver the products to the customer on time and high-quality products to improve services. Sometimes, the delivery of product delays caused by the raw materials delays or didn't meet specifications. Selection optimal suppliers of raw materials are one of the solutions. There are two factors must be considered for the selection of suppliers, qualitative factors and quantitative factors. In this study, for qualitative factors, based on the criteria needed by PT GMT. This research produces three Linear Programming models, first: a qualitative objective function that will be maximized called the Total Value of Purchase (TVP). TVP is an integration of the Analytical Hierarchy Process (AHP) and Mix Integer Programming Integration. Second, the quantitative objective function for the procurement cost of raw materials, which is called the Total Cost of Purchase (TCP). The third is to optimize qualitative and quantitative simultaneously using the Goal Programming method. The selection of suppliers based on TVP the total value is 97.25, and the total procurement cost is Rp. 36,914,000, based on TCP, the total value is 89.14, and the total of procurement cost is IDR 31,356,000, while based on Goal Programming, the total value is 93.18, and the total of procurement cost is IDR 32,621,000. PT GMT has been able to determine the optimal supplier based on the policies set.

Integrated ANP and TOPSIS Method for Supplier Performance Assessment Natalia, Christine; Surbakti, Ita Primsa; Oktavia, Chendrasari Wahyu
Jurnal Teknik Industri Vol 21, No 1 (2020): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

A supplier has become one of the main factors that influence the success of a company's supply chain activities. Supplier assessment is vital as suppliers have different performance. This study aims at assessing supplier performance using the integration of ANP and TOPSIS methods. Supplier performance assessment was based on supplier criteria indicators. Weighting criteria used ANP used to determine the most significant influence criteria of supplier performance.Furthermore,Â TOPSIS was also employed to obtain supplier preference. Eight criteria and twenty-five sub-criteria were used for the supplier performance assessment.Â The three highest sub-criteria were specification of quality, the flexibility of order changes, and production capacity. The priority results for suppliers were sorted from the highest to lowest ratio values.Â

INTERPRETIVE STRUCTURAL MODELING AND HOUSE OF RISK IMPLEMENTATION FOR RISK ASSOCIATION ANALYSIS AND DETERMINATION OF RISK MITIGATION STRATEGY Natalia, Christine; Br. Hutapea, Yulitari Flora Theresa; Oktavia, Chendrasari Wahyu; Hidayat, Trifenaus Prabu
Jurnal Ilmiah Teknik Industri Vol. 19, No. 1, June 2020
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v19i1.9014

The increasingly fierce industry competition causes each company needs strong supply chain activities as part of the company to be able to survive in an environment full of competition. In carrying out supply chain activities, it is certainly inseparable from supply chain risks that can disrupt supply chain activities. In supply chain risk it is important to know the key risks as the risks that trigger the other risks in the supply chain. This study aims to identify the relationship of risk and mitigation to reduce the causes of the risk. The interpretive structural modeling (ISM) approach is applied to solve problems related to risk linkages and produced key risks which are the risks that most influence the occurance of other risks. The key risks obtained are then processed using the house of risk (HOR) approach to determine the priority of risk mitigation actions. ISM result obtained four key risks, namely the risk element of inputting data error when entering the number of goods and spesifications, product spesification errors desired by the customer, frequent changes in customer design requests and revisions to the design drawings. Then the result of the HOR method obtained four recommended priority mitigation actions, namely updating information on a scheduled basis, conducting briefings every day before work, coordinating and reconfirming requests for product spesifications, and implementing more strigent worker selection procedures. The linkage of the causes of risk, the validation of the ISM model statistically and the weighting of the triggered criteria are several aspects that further research is needed.

PENDAMPINGAN PERSIAPAN UJIAN NASIONAL BERBASIS KOMPUTER (UNBK) MTSS NURUL HUDA, DESA SAMPORA, BANTEN W.O, Chendrasari; Natalia, Christine; Inderawati, MM. Wahyuni
Jurnal Bakti Masyarakat Indonesia Vol 2, No 1 (2019): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Di Indonesia, salah satu kegiatan penerapan penggunaan jaringan komputer dan internet yang sudah mulaidijalankan oleh pemerintah sejak tahun 2016 adalah kegiatan Ujian Nasional Berbasis Komputer. Hadirnya UjianNasional Berbasis Komputer bertujuan agar masyarakat Indonesia mengikuti perkembangan teknologi dan untukmengurangi penggunaan kertas di Indonesia. Pada kenyataannya, masih banyak sekolah di Indonesia yang belumdapat mengakses komputer dan internet karena masalah keterbatasan tenaga pengajar yang ahli dalam penggunaankomputer, serta keterbatasan dana untuk bisa mendapatkan perangkat komputer yang mampu menunjang kegiatanUjian Nasional Berbasis Komputer (UNBK). Kegiatan pengabdian masyarakat kali ini dilaksanakan di MTs NurulHuda yang terletak di Desa Sampora, Banten. Para peserta didik di MTs Nurul Huda, untuk kali pertama akan mulaimengikuti UNBK pada tahun 2019, tetapi sayangnya hal ini belum didukung oleh sarana dan prasarana yangmemadai dan penguasaan penggunaan komputer bagi para peserta didik yakni para siswa-siswi. Maka dari itu,kegiatan pengabdian masyarakat yang direncanakan berupa bentuk pengaturan server dan pendampingan danpelatihan dalam penggunaan komputer dilanjutkan langsung simulasi UNBK bagi para siswa-siswi. Kegiatanpersiapan telah dilakukan mulai bulan Desember 2018 sampai dengan pertengahan Januari 2019, sedangkansimulasi dilaksanakan pada 28 â€“ 29 Januari 2019. Kegiatan pengabdian ini sudah tepat dan sejalan dengankebutuhan dari sekolah MTs Nurul Huda. Hasil dari kegiatan pengabdian ini adalah simulasi UNBK berjalan denganlancar, hal ini di dukung oleh keberhasilan dalam pengaturan server pada hari sebelumnya dan materi pendampingankepada para siswa-siswi dalam pengenalan komputer pada sebelum simulasi UNBK berlangsung

Website Optimization Design to Cut Stock Problems in 1 and 2 Dimensions with Genetic Algorithms Kartolo, Sandy; Natalia, Christine
Jurnal IPTEK Vol 24, No 2 (2020)
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2020.v24i2.781

Many industries produce waste that cannot be reused, especially in the process of cutting raw materials. The use of raw materials that are not optimal indicates that the pattern of item placement on raw materials produces waste which cannot be used for other needs. This problem is known as cutting stock problem. This study aims to reduce the waste that arises when cutting raw material sheets into small pieces needed in the industry by developing a website as a tool in completing the placement of cutting patterns on raw materials. The developed website describes the results of optimal placement patterns in the form of images for 1 and 2 dimensions with the genetic algorithm method as an optimization algorithm using rectangle packing sequence in codification, cornerset modification algorithm on decoding, parameterized uniform crossover on crossover, roulette wheel on selection, and random generated mutations. Website development is made with hypertext markup language to display various information needed, cascading style sheets to arrange components in structured and uniform websites, and javascript to create genetic algorithm logic. This research resulted in the placement of cutting patterns on sheets of raw material on the canvas by labeling the names of each item.

Program Kemitraan Masyarakat Budidaya Lele Desa Sampora Sihombing, Denny Jean Cross; Mulyanti, Sri; Magdalena, Riana; Indriati, Kumala; Pandjaitan, MM Lanny W; Natalia, Christine
Jurnal Abdimas Vol 25, No 1 (2021): June 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/abdimas.v25i1.23767

Desa Sampora merupakan pemukiman yang berlokasi di Tangerang, Banten. Desa Sampora terletak di tengah perkotaan yang hanya memiliki lahan yang minim. Berdasarkan identifikasi kebutuhan, jenis usaha yang dapat dikembangkan di Desa Sampora salah satunya ialah budidaya lele. Budidaya lele yang dikembangkan oleh warga Desa Sampora jenis lele dumbo atau clarias gariepius. Kegiatan ini fokus pada budidaya pembesaran lele, untuk meningkatkan ukuran lele dalam jangka waktu yang telah ditentukan, teknik pembesaran ikan lele difokuskan pada manajemen pakan lele karena pakan merupakan salah satu faktorÂ penting yang mempengaruhi keberhasilan budidaya lele. Tujuan dari kegiatan ini adalah pendampingan pada masyarakat untuk edukasi manajemen pakan lele. Hasil dari kegitan pengabdian masyarakat ini adalah masyarakat mengetahui jenis pakan dan nutrisi yang tepat untuk pembesaran lele.

Penentuan Standar Spesifikasi Kerja di Café Berdasarkan Big Data dengan Metode LDA dan AHP Christine Natalia; Ferdian Suprata; Feliks P S Surbakti; Sunny Clarence
Jurnal Rekayasa Sistem Industri Vol. 10 No. 2 (2021): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

A good human resources management practice will produce quality and quantity output for sustainable business. The employee recruitment process is a crucial initial stage to fulfil the needs of a quality employee. In this process, a company usually opens an advertisement for a job vacancy and selects based on job qualification requirements. This research contributes to determining job specification standards in a café or coffee shop based on Big Data analysis. Analysis has been done by Latent Dirichlet Allocation (LDA), and Analytical Hierarchy Process (AHP) method is implemented to select the type of works and work qualifications available in the food and beverages sector. Questionnaires and interviews have been conducted to collect primary data, and three leading websites of job seeker online platforms (Jobstreet.com, Gawean.id, and Lokerindonesia.com) are used as references in data collection. Finding gives information regarding four types of works in a cafe: manager, barista, chef, and waiter; eleven points for manager specifications, twelve points for barista specifications, eleven points for chef specifications, and fifteenth points for barista waiter specifications.

Integrated analytic hierarchy process and mixed integer programming for supplier selection in mold and dies industry Agustinus Silalahi; Ronald Sukwadi; Duhita Al Hayyu Pramesjwari; Chendrasari Wahyu Oktavia; Christine Natalia
Jurnal Sistem dan Manajemen Industri Vol. 3 No. 2 (2019)
Publisher : Universitas Serang Raya

ANALISIS PENGARUH PENDEKATAN ECONOMIC ORDER QUANTITY TERHADAP PENGHEMATAN BIAYA PERSEDIAAN Chendrasari Wahyu Oktavia; Christine Natalia
Jurnal PASTI (Penelitian dan Aplikasi Sistem dan Teknik Industri) Vol 15, No 1 (2021): Jurnal PASTI
Publisher : Universitas Mercu Buana

PT. UYZ adalah perusahaan manufaktur bumbu pangan membutuhkan gula sebagai kandungan di dalam bumbu pangan. Namun, saat ini adanya ketidakpastian hasil penjualan dan jumlah pemakaian dan tingginya total biaya persediaan menyebabkan perlunya metode pengendaliaan persediaan. Penelitian ini bertujuan untuk mengetahui kuantitas pembelian gula yang ekonomis dan optimal, menentukan jumlah safety stock, menentukan reorder point, menentukan maksimum persediaan di gudang, dan menentukan komponen biaya yang mana saja yang menyebabkan tingginya total biaya persediaan, dan mengetahui besar biaya penghematan dengan mengimplementasikan economic order quantity secara berkesinambungan. Hasil dari usulan metode EOQ adalah jumlah pemakaian gula untuk setiap kali pesan adalah 5846 kg, besar safety stock dan maksimum persediaan adalah 69.937 kg dan 75.783 kg, besar reorder point diperoleh 74.732 kg, dan penghematan total biaya pemesanan sebesar 1.405.415 dan total biaya persediaan keseluruhan adalah Rp. 924.665.

Co-Authors Anastasia Tatik Hartanti, Anastasia Tatik Anjar Hermadi Saputro Asmaralda, Naftalia Asrul Harun Ismail, Asrul Harun Astria Hindratmo Bachri, Karel Octavianus Bonifasius Sean Pratama Br. Hutapea, Yulitari Flora Theresa Chendrasari Wahyu Oktavia Chyntia, Marcellina Denny Jean Cross Sihombing Dicky Dicky Dionysius Subali Djoko Setyanto Duhita Al Hayyu Pramesjwari Elvin Nur Furqon Fabrianne, Jesslyn Feliks P S Surbakti Feliks Prasepta S. Surbakti Ferdian Suprata Fredikson, Marcelinus Ghea Ghoniyyah Setiadi Goenawan, Stepanus Ivan Goenawan, Stephanus Ivan Gunawan, Sebastian Hartono, Natalia Hen Dian Yudani Herawati, Ita Inderawati, MM. Wahyuni Indra Adigunawan Indriati, Kumala Ita Primsa Surbakti Jessica Khantidevi Kaiwen Jiang Kartadinata, Budi Kartolo, Sandy Khantidevi, Jessica Kurni, Rita Liang, Yun Chia Lictyawati, Marcellina Cynthia Lutfiah, Lita Lydia, Antonia Maemunah, Dede Makatita, Welhelmina Vince Maria Angela Kartawidjaja Mario Caterino Marsellinus Bachtiar W Marsellinus Bachtiar Wahyu Mia Audina Agus MM Wahyuni Inderawati Muhammad Agus Muljanto Mumtaz, Fakhira Chairunnisa Murat Sahin Nugroho, Veronica Tirza Pandjaitan, MM Lanny W Pramesjwari, Duhita Al Hayyu Prayanto W. H., Prayanto W. Rahmawati, Nur’aini Djulkiyyah Ratanadewi, Steffi Rayini Dahesihsari Riana Magdalena Robertus Astuario Robertus Astuario, Robertus Ronald Sukwadi Ronald Sukwadi Ronald Sukwadi Sandra Octaviani Santi, Firnia Sari, Victoria Rekina Setiadi, Ghea Ghoniyyah Sherly Gunawan Silaban, Sonia Artha Ria Silalahi, Agustinus Siregar, Marsul Sri Mulyanti Stanislaus S. Uyanto Steffi Ratanadewi Sugioko, Andre Sultan Zeybek Sunny Clarence Surbakti, Feliks Prasepta Sejahtera Surbakti, Ita Primsa Suryadi, Jimmy Susanti, Ise Sutjiningsih, Ni Nyoman Ota Tajuddin Nur TIrtaulima, Chelsea Naomi Trifenaus Prabu Hidayat Ulisya, Azzaima Ayu Utami, Amalda Uyanto, Stanislaus Suryadi Victoria Principall Vivi Triyanti W.O, Chendrasari Wahyu, Marsellinus Bachtiar Wawan Tripiawan Wibawa Prasetya Widodo Basuki Winni Nur Auli Yuki Tiara Wiharja Yulanda, Nola Rohmi Eka Yulitari Flora Theresa Br. Hutapea Zefanya, Eva Angelica

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