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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

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The 1-D bin packing problem optimisation using bees algorithm Natalia Hartono; Asrul Harun Ismail; Sultan Zeybek; Mario Caterino; Kaiwen Jiang; Murat Sahin; Christine Natalia
Journal Industrial Servicess Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik Jurusan Teknik Industri Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v7i2.14387

The bin packing problem is a classic combinatorial optimisation problem that is widely used in various applications such as assembly line balancing, scheduling, and time-tabling. Metaheuristic algorithms can provide solutions to these problems faster than exact methods. Bees Algorithm, a metaheuristic algorithm inspired by the foraging activity of bees, is known for its performance in solving optimisation problems. To our best knowledge, this is the first use of the Bees Algorithm to solve a bin packing problem. In this paper, we use the basic Bees Algorithm to demonstrate near-optimal solutions and measure the accuracy of solutions to the one-dimensional bin packing problem. The algorithm procedure and parameter settings are set following the previous research. Benchmark datasets are used in the experiment, and accuracy is measured. The results indicate that the basic Bees Algorithm for bin packing problems and previous research on travelling salesman problems produce similar accuracy results.

Integrated ANP and TOPSIS Method for Supplier Performance Assessment Christine Natalia; Ita Primsa Surbakti; Chendrasari Wahyu Oktavia
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 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. The weighting criteria used ANP was used to determine the most significant influence criteria of supplier performance. Furthermore, TOPSIS was also employed to obtain supplier preference. Eight criteria and twenty-five sub-criteria were used for the supplier performance assessment. 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.

Interpretive Structural Modeling and House of Risk Implementation for Risk Association Analysis and Determination of Risk Mitigation Strategy Christine Natalia; Yulitari Flora Theresa Br. Hutapea; Chendrasari Wahyu Oktavia; Trifenaus Prabu Hidayat
Jurnal Ilmiah Teknik Industri Vol. 19, No. 1, June 2020
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

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.

GAMBARAN KOMUNIKASI PEMIMPIN SEBAGAI BAGIAN DARI KOMUNIKASI ORGANISASI Christine Natalia; Rayini Dahesihsari
MANASA Vol 8 No 2 (2019): Desember, 2019
Publisher : Faculty of Psychology, Atma Jaya Catholic University of Indonesia

Organizational communication has a substantial function to ensure good coordination forachieving organizational effectiveness. Leaders’ communication is an important aspect oforganizational communication, since the way leaders convey their messages would createframing and meaning for their employees about their jobs, their relations with other parts of theorganization, and the working climate. The meaning that employees perceive would have impacton their motivation and involvement to the job and the organization. When the formal system oforganizational communication has not been established yet, employees tend to rely oninformation from their direct leaders. This study aims to explore the description of leaders’communication as a part of organizational communication on PT AV, which has just developedthe formal working system with the limited number of employees. Six leaders from differentmanagerial levels participated to be interviewed in this study which is using a qualitativeapproach. Data was analyzed using theoretical framework of leaders’ communication fromJohansson, Miller and Hamrin (2014), includes initiating structure, facilitating work, relationaldynamic, and representing unit. The results showed that participants did not intensivelycommunicate with their staff regarding the structure of the staff tasks. Participants more relied onSOP and annual meeting. While SOP and job description was not well established yet, theparticipants’ lack of communication on structuring the staff tasks would potentially create lack ofroles and job clarity for staff. Other interesting result was that participants developed their staffsby giving challenging tasks. However, they did not explicitly say to their staff about the intendedmeaning and impacts of giving the tasks. Participants also did not know how their staffsperceived about the tasks. Because there was no open communication on the reason of givingchallenging tasks, it was potentially perceived by staff as additional burden for them. The findingsindicated leaders’ communication was not supported the formal organizational communicationsystem which was not optimally established yet in the organization. This would potentially createunclear and ambigu information received by staff.

Mentoring Activity of Pong’s Cassava Chips Industry in Ponggang Village Wibawa Prasetya; Christine Natalia; Marsellinus Bachtiar Wahyu; Riana Magdalena
MITRA: Jurnal Pemberdayaan Masyarakat Vol 2 No 2 (2018): MITRA: Jurnal Pemberdayaan Masyarakat
Publisher : Institute for Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/mitra.v2i2.106

PONG's cassava chips are snack products that have a unique flavor and aroma compared to other similar products. The specialty of this product is due to its traditional processing and its use of the original spice from the village of Ponggang, Subang, west Java. The snacks are currently sold just around the village of Ponggang and traditional markets. The product packaging looks very simple. The community service team aims to increase the product sales volume by improving the packaging design, listing the P-IRT number obtained by registering to the Subang Regency Health Office, providing simple bookkeeping training, providing product processing training based on UU No. 18 of 2012 on Food, provides training on how to expand the marketing network. The method used is business assistance and the target partner is Ponggang Independent Women group. As a result our community service program, independent women group members can manage their own P-IRT permit, can do simple bookkeeping, can apply Law No. 18 of 2012 on Food in producing PONG's cassava chips. It is suggested that continuous assistance should be provided to the industry so that the vision and mission of independent women groups can be implemented successfully.

Design and Implementation of Piping Installation for Catfish Farming in Sampora Village Karel Octavianus Bachri; Sandra Octaviani; Marsul Siregar; Widodo Basuki; Tajuddin Nur; Christine Natalia
MITRA: Jurnal Pemberdayaan Masyarakat Vol 4 No 1 (2020): MITRA: Jurnal Pemberdayaan Masyarakat
Publisher : Institute for Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/mitra.v4i1.1061

Atma Jaya Catholic University of Indonesia has Faculty of Engineering, which is committed to empower its surrounding communities. This empowerment is implemented based on its core values. The present community empowerment activities have been planned through a series of agreements and the main goal of the activities is to develop the entrepreneurship based on the strength of the area. This paper discusses the assistance given by Faculty of Engineering in designing piping installation for supporting aquaponic activities in Desa Sampora. The project was divided into three steps. First, this project focused on observation and data collecting. This first step also involved discussion with experts. Second, it focused on the design process. The result of the first step was used in the design. Third, the design was implemented and installed in the location. All the steps required careful planning to minimize errors. The expected target of these activities was an aquaponic piping design that is feasible to implement to support sustainable and productive entrepreneurship. The final result was piping installation that can grow 120 plants, is easy to clean up, and has area efficiency.

Assistance in Preparation of Feasibility Proposal for Catfish Cultivation in Sampora Village Christine Natalia; Ronald Sukwadi; Maria Angela Kartawidjaja; Marsellinus Bachtiar W; Stanislaus S. Uyanto
MITRA: Jurnal Pemberdayaan Masyarakat Vol 4 No 2 (2020): MITRA: Jurnal Pemberdayaan Masyarakat
Publisher : Institute for Research and Community Services

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/mitra.v4i2.1281

The catfish farming business is one of the fastest-growing business of the agriculture fish market today. Catfish consumption is increasing because of its good taste and affordable price. Also, catfish has high protein, low in calorie and fat. However, to get more profits, cost planning is needed, as well as accurate filing of activities and costs for business sustainability. The present community service program aimed to assist how to make a feasibility proposal before starting a catfish business and also to measure the level of understanding and satisfaction of the participants of the program, who were members of the Sampora Village youth organization. The program was implemented at the Statistics and Decision Making Laboratory, Department of Industrial Engineering, AJCUI. The results show that the level of participants’ understanding in analyzing the feasibility of catfish farming increased significantly after attending the training. The participants’ satisfaction with the program was as follows: 76% very good, 19% good, and 5% neutral

Design of Affordable Cold Storage for Horticulture Products (Urban Farming “Mom's Farm” in Sampora Village) Ferdian Suprata; Christine Natalia; Djoko Setyanto; Budi Kartadinata; Victoria Principall
Jurnal Ilmiah Teknik Industri Vol. 21, No. 1, June 2022
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v21i1.13926

Growing the world’s population to almost 9.7 billion by 2050 will continue to address the challenges facing the food and agriculture sector. The aim of this study is to reduce food losses in Sampora Village, Cisauk – South Tangerang by creating an affordable cold-storage of Modified Atmosphere Storage (MAS) equipment with a capacity of 4.77 m3 so that it can increase the quality of food for a longer period without deterioration of the horticultural products stored. Temperature control, humidity control, air circulation, maintenance of space between containers for adequate ventilation, total capacity, dimensions, efficiency, development costs, durability, performance, and features are involved in the design. This cold storage is designed with a Design Thinking method. A qualitative research was conducted through interviews to gain insight and synthesize the needs. The selection prototype concept was chosen by the Pugh Matrix and finally this study proposed in an affordable cold-storage technology.

Penentuan Jalur Rute Distribusi Produk Fast Moving Consumer Goods (FMCG) dengan Menggunakan Metode Nearest Neighbour (Studi Kasus: PT.XYZ) Chendrasari Wahyu Oktavia; Christine Natalia; Indra Adigunawan
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 5, No 2 (2019)
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v5i2.357

Abstrak - PT. XYZ merupakan perusahaan logistik yang bergerak dalam pendistribusian produk ke seluruh area JABODETABEK. Dalam menjalankan aktivitas proses pendistribusian, perusahaan dihadapkan pada kondisi permasalahan yaitu perusahaan diharuskan untuk mengunjungi dan melayani konsumen dengan lokasi yang tersebar di area JABODETABEK dengan tetap memperhatikan kapasitas muatan dari armada dan rute yang dilalui kendaraan. Oleh karena itu, diperlukan penentuan rute yang tepat agar perusahaan dapat memenuhi pengiriman tepat waktu kepada konsumen. Dengan adanya masalah tersebut, penelitian ini bertujuan untuk melakukan optimasi rute kendaraan dengan metode nearest neighbor agar mampu meminimalisir total jarak, total waktu dan biaya distribusi yang kemudian akan dianalisa perbandingan data aktual dan nearest neighbor. Pada penelitian ini menggunakan metode nearest neighbor. Hasil yang didapatkan dari penelitian ini adalah: (1) Mampu mengurangi persentase rata-rata jarak tempuh kendaraan dalam bulan Oktober 2018 sebesar 27% atau 44,09 km tiap harinya, (2) Mengurangi total waktu tempuh 157 menit dari data aktual, (3) Mampu menghemat total biaya sebesar 15% atau Rp. 53,458 tiap harinya. Dengan demikian metode pendekatan nearest neighbor mampu mengurangi biaya distribusi yang dikeluarkan oleh perusahaan tiap bulan.Abstract – PT. XYZ is a logistics company engaged in the distribution of products throughout the Greater Jakarta area. In carrying out the distribution process activities, the company is faced with the requirements of the problem about the company required to provide information and serve consumers with locations scattered in the Greater Jakarta area with due regard to capacity of vehicle and route. Therefore, it is necessary to determine the right route so that companies can meet timely deliveries to consumers. Given these problems, this study aims to optimize vehicle routes with the nearest neighbor method so as to minimize the time and cost of distribution which will then be analyzed to analyze the actual data and the nearest neighbors. In this study using the nearest neighbor method. The results obtained from this study are: (1) Able to reduce the average percentage of vehicle mileage in October 2018 by 27% or 44,09 km per shipment. (2) reduce total travel time of 157 minute from actual data, (3) Able to increase total costs by 15% or Rp. 53,458. Thus,the method of taking the nearest neighbor can reduce the distribution costs incurred by the company each month.Keywords – Distribution cost, Nearest neighbor, Route determination

ANALISIS PENGENDALIAN PERSEDIAAN GULA DENGAN PERBANDINGAN EOQ DAN METODE MIN MAX Chendrasari Wahyu Oktavia; Christine Natalia
Jurnal PASTI (Penelitian dan Aplikasi Sistem dan Teknik Industri) Vol 16, No 2 (2022): Jurnal PASTI
Publisher : Universitas Mercu Buana

Pengendaliaan persediaan menjadi pusat perhatian dan fokus utama bagi perusahaan ini. Tujuan dari penelitian ini adalah mengidentifikasi total biaya persediaan menggunakan pendekatan metode EOQ dan metode Min Max. Hasil dari usulan metode min-max diperoleh jumlah pembelian bahan baku gula untuk setiap satu kali pesan sebesar 8.308 kg, biaya pemesanan sebesar Rp. 514.200, dan biaya penyimpanan sebesar Rp. 1.093.750 akan diperoleh total biaya persediaan dari usulan metode min max Rp. 2.266.043.550. Sedangkan dari metode EOQ, jumlah pembelian bahan baku gula untuk setiap satu kali pesan sebesar 5.846 kg, biaya pesan sebesar Rp. 730.845, dan biaya simpan sebesar Rp. 730.750. Dari kedua usulan tersebut, metode EOQ merupakan metode yang paling baik dibandingkan metode Min Max dalam hal biaya persediaan.

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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