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All Journal Jurnal Rekayasa Sistem Industri Jurnal Teknologi dan Manajemen Informatika SPEKTRUM INDUSTRI PROSIDING SEMINAR NASIONAL CENDEKIAWAN Sistemasi: Jurnal Sistem Informasi Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Sistem dan Manajemen Industri RABIT: Jurnal Teknologi dan Sistem Informasi Univrab Journal of Information Technology and Computer Science (JOINTECS) INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi JURNAL MEDIA INFORMATIKA BUDIDARMA SMARTICS Journal Indonesian Journal of Artificial Intelligence and Data Mining JKTP: Jurnal Kajian Teknologi Pendidikan Jurnal Sisfokom (Sistem Informasi dan Komputer) Prosiding Seminar Nasional Pakar Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) JUSIM (Jurnal Sistem Informasi Musirawas) ACADEMICS IN ACTION Journal of Community Empowerment Jurnal Sistem Teknik Industri Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Mulia International Journal in Science and Technical Journal of Industrial Engineering Zonasi: Jurnal Sistem Informasi International Journal of Industrial Research and Applied Engineering JOURNAL OF INFORMATION SYSTEM MANAGEMENT (JOISM) Teknika IDEAS: Journal of Management & Technology Malcom: Indonesian Journal of Machine Learning and Computer Science The Indonesian Journal of Computer Science Widya Teknik

Anastasia Lidya Maukar

Universitas Presiden

Author-ID : 227057

Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Social Sciences Transportation Other

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Articles

Title

Penerapan Non Delay Schedule Dengan Mempertimbangkan Machine Availability Constraint untuk Meminimasi Makespan pada PT Autotech Perkasa Mandiri, Cikarang, Jawa Barat Anastasia Lidya Maukar; Ineu Widaningsih Sosodoro; Stefanus Setiady
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1272

One of the efforts to increase production efficiency is by implementing the right scheduling. PT Autotech Perkasa Mandiri is the job shop production system. Currently implements a heuristic method with a priority dispatch rule, namely the Earliest Due Date (EDD). The EDD rule has the highest priority for the job with the earliest due date to be processed on a machine. This study is to purpose a more optimal scheduling by comparing the makespan of the current schedule with the proposed one. Previous research is the non delay schedule without considering machine availability constraints. In this study, machine availability constraints are taken into account, thus, they are more realistic when applied to the actual problem. The algorithm used is a non delay schedule with working time window (WT-NSA). Machine availability constraints that are taken into account are lunch-break hours (12: 00-13: 00) and shift changes (17: 00-08: 00). From the analysis, it is obtained that makespan from non delay schedule is 23 hours 6 minutes, while makespan from WT-NSA is 26 hours 6 minutes, and makespan from EDD schedule is 38 hours 54 minutes. Non-delay schedule has the smallest makespan, which is 23 hours 6 minutes, but WT-NSA is more realistic when applied to the real problem.

Perbaikan Proses Bisnis Pembuatan Laporan Produksi Harian untuk Memperpendek Lead Time pada Perusahaan Manufaktur Mobil Anastasia Lidya Maukar
JIE Scientific Journal on Research and Application of Industrial System Vol 6, No 2 (2021)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v6i2.1590

This research was conducted at a four-wheeled vehicle manufacturing company located in Jakarta. The average lead time for making the Plant 2 Daily Production Report is currently around 12 minutes. With the long reporting time, this process is considered less efficient. In this research, business process improvement will be carried out by identifying non value-added activities and using business process improvement methodology. In improving the reporting process, Excel Macros will be used. After the implementation of business process improvements, the average time for making Daily Production Reports is reduced to 4 minutes or there is a time saving of 67%.

Antisipasi Keterlambatan Proyek Pembangunan Shelter dengan Menggunakan Metode What-If Analysis Ineu Widaningsih; Anastasia Lidya Maukar; Avania Shinta
JIE Scientific Journal on Research and Application of Industrial System Vol 2, No 2 (2017)
Publisher : President University

The purpose of this study is to identify the delay in building shelter projects and activities that cause delays. This research will provide suggestions on steps to be taken to overcome delays. This research uses two methods of control, namely the "what-if analysis" method for solutions if there is a delay in the project, as well as a method of shortening the duration of critical paths Duration Crashing on critical infrastructure with the addition of workers or the application of overtime work as an alternative control were performed. Currently, the critical path has not been identified and there is no solution provided to overcome the problem of delays in shelter construction projects. The target duration of the construction of the shelter construction project is known for 14 days but it has been delayed into 35 days. The results of this study are findings of some critical activities that can cause delays and what-if analysis is done for time acceleration of 10% to 100%.Keywords: What If analysis, Critical Path Method, shelter, Duration Crashing.

Designing of Inventory Control for Aluminum Industry Ineu Widaningsih Sosodoro; Anastasia Lidya Maukar; Intan Puspita Pribadi
JIE Scientific Journal on Research and Application of Industrial System Vol 3, No 1 (2018)
Publisher : President University

Inventory is one of important factors in manufacturing industry to ensure production process run. This research was conducted in an aluminum ingot manufacture company. The company faces a problem to manage the inventory system for their main raw material. The problem deals with the high expenditure due to safety stock that causes high inventory cost. Total inventory cost based on current condition is $270,706 per year. The proposed improvement method that used in this analysis is continuous review system. This method is applied to determine the appropriate Reorder Point (ROP) and to minimize the inventory cost. Based on the proposed improvement, total inventory cost can be reduced by 30%. This proposed system is also equipped with Decision Support System by using what-if analysis method as the tool to make decision for the next several periods by giving several scenarios and considering the aspects that influence to decision.Keywords: Inventory, Reorder point, Continuous Review System, Decision Support System, What If Analysis, Scenario

Analisis Penambahan Kapasitas Udara Bertekanan untuk Pneumatik pada Mesin Kertas 01 di Perusahaan Kertas, Bekasi Jazid Rizkon; Anastasia Lidya Maukar; Ineu Widaningsig Sosodoro
JIE Scientific Journal on Research and Application of Industrial System Vol 3, No 2 (2018)
Publisher : President University

In paper mills, paper presses, paper rolling, and automatic valves are very important machines for the continuity of the production process. But at present, problems often occur, namely the machines cannot work optimally, because the need for compressed air for pneumatic tools is not enough fulfilled. To ensure this, the capacity calculation of the pressurized air compressor and the need for pressurized pneumatic tools are carried out. The results of the calculation show that the pressurized air requirements of pneumatic tools are greater than those produced by the kompresor with a difference of 2,972 litres/minute. To get the best decision, an Equivalent Uniform Annual Cost (EUAC) analysis is performed to determine the economic life of the compressor machines currently in use. In addition, an inspection of compressor damage data was also carried out. The results of the analysis show that the replacement of the compressor does not need to be done because the current engine life is under the economic age. Thus, the decision taken is to purchase a new compressor with a capacity of 28,000 litres/minute. The calculation using the present worth cost (PWC) analysis obtained the smallest total cost with consideration of the additional energy costs is Atlas Copco GA160 Compressor worth Rp 55,094,911,134. Without considering additional energy costs, the results of the calculation of the smallest total PWC is the choice of Kaeser DSD250 amounting to Rp. 8,044,785,017. Then after sensitivity analysis with consideration of interest rates and electricity costs, Atlas Copco GA160 has the lowest total cost. Thus, the changes in interest rates and an increase of electricity costs are not sensitive enough to the selection of machines for investment.

Perancangan Kapasitas Produksi Produk Electronic Control Unit (Ecu) Oktavia Sunny; Anastasia Lidya Maukar; Ineu Widaningsih Sosodoro
JIE Scientific Journal on Research and Application of Industrial System Vol 4, No 1 (2019)
Publisher : President University

The export demand for Electoric Control Unit (ECU) products, which continued to increase by approximately 25% in December 2014, made the company have to review its production capacity. Based on current production capacity data, it is known that the process cycle time is 64.9 seconds while the takt time needed to meet consumer demand is 39.4 seconds for the first production line. With working time included in working hours overtime, this first-line capacity cannot meet production demands. Work measurement is done to get actual time data for capacity calculation. Man machine chart is one of the tools used to determine the production line capacity with the current number of machines and workers. To be able to fulfill the production demand, a capacity design with 2 proposed improvements is carried out, namely: adding a working time of one shift for the first production line or balancing work time between lines. By calculating the results obtained and the costs incurred, the proposal for balancing work time between lines becomes more effective to do.

Pengendalian Persediaan Bahan Baku Impor dengan Menggunakan Metode EOQ Probabilistik pada Perusahaan Cat Industri Ciswondo Ciswondo; Anastasia Lidya Maukar
JIE Scientific Journal on Research and Application of Industrial System Vol 4, No 2 (2019)
Publisher : President University

This research was carried out in a manufacturing company producing industrial paints for steel roofing and walling. The level of sales of industrial paint varies and fluctuates depending on product demand from customers. Due to fluctuating demand and forecasting methods for current product demand that is less accurate based only on demand from the previous period, the inventory of imported raw materials has not been optimal. The ARIMA method is used to forecast and then control imported raw material inventories using the probabilistic Economic Order Quantity (EOQ) method to determine the optimal order quantity, safety stock, re-order points and order frequency so as to minimize the total inventory cost. With the probabilistic EOQ method that implements the existence of safety stock will be able to minimize the risk of a shortage of imported raw materials so that the burden of shortage costs can be minimized. The results shows that the proposed method provides a total inventory cost savings of Rp.493,832,731 or obtained a 66% reduce cost compared to the company method

Increasing the Reliability of Dust Collector Machine IDC001 Using Preventive Maintenance with Continuous Monitoring Activity in Automotive Company Anastasia Lidya Maukar; Pandu Adi Cakranegara; Tantyo Edo Wicaksana
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 2 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i2.1320

As one of the main vital for automotive company, the maintenance of machine is very vital to be maintained and controlled to prevent any meaningless downtime. But during January 2015 until November 2018, machine is the highest downtime contributor for molding line with total downtime 2320.49 hours. Especially for dust collector machine IDC001 that contribute the highest downtime of the machines. It is caused by the current preventive maintenance schedule still not considering the machine reliability. The schedule also cannot represent the actual lifetime of its critical components which are dust tube, shaft, v-belt, and bearing. Moreover, there is no any data recorded about the components performance that make the maintenance team cannot predict the component lifetime accurately. The objectives of this research are to achieve 80% reliability and to get more data of component performance by proposing the new preventive maintenance schedule and continuous monitoring activity. After several failure functions calculation, then the new preventive maintenance schedule is established. Through the analysis of what the current maintenance system needs today, there are vibration monitoring and dust concentration monitoring activities that will be proposed to get more data to predict the component lifetime in the future. By implementing the proposed preventive maintenance schedule and continuous monitoring activities, the maintenance team able to get more data to predict the component lifetime and the reliability of each component will increase into 80% with total savings IDR 830,645,805.

Assessing the Awareness of Engineering Students at President University towards Massive Open Online Course (MOOC) Anastasia Lidya Maukar; Jean Hillary P Korua; Herwan Yusmira
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.3890

Pandemi COVID-19 berdampak pada banyak aspek termasuk sektor pendidikan tinggi global. Semua kuliah harus dilakukan secara online. Platform MOOC terutama digunakan untuk mendukung sistem pembelajaran online karena dapat diakses secara online (terbuka) dan memungkinkan banyak peserta (massive) untuk belajar dari universitas terkemuka di seluruh dunia. Situasi pandemi COVID-19 di President University mirip dengan universitas lain. Untuk mendongkrak aktivitas pembelajaran online, President University menjalin kerjasama dengan Coursera dan memberikan kursus gratis yang sudah ada selama lebih dari 2 tahun. Perlu menilai apakah mahasiswa menggunakan fasilitas yang disediakan oleh universitas atau tidak dengan mengukur tingkat kesadaran terhadap MOOC. Tujuan utama dari penelitian ini adalah untuk menilai kesadaran mahasiswa teknik di President University terhadap MOOC. Pengumpulan data dilakukan dengan menggunakan kuesioner. Langkah-langkah dalam melakukan penelitian ini adalah merancang kuesioner, melakukan cluster sampling, menyebarkan kuesioner, statistik deskriptif, uji validitas dan reliabilitas, analisis clustering, analisis tabulasi silang, dan membuat kesimpulan. Responden dikelompokkan menjadi tiga kelompok berbeda berdasarkan jawaban mereka dalam pertanyaan skala Likert. Cluster 1 memiliki kesadaran MOOC terendah (tidak pernah mengikuti kursus, menggunakan 1 platform), cluster 2 memiliki kesadaran MOOC sedang (tidak pernah mengikuti kursus tetapi mengetahui setidaknya 1 platform), dan cluster 3 memiliki kesadaran MOOC tertinggi (diambil 1- 3 kursus, menghabiskan setidaknya 1 jam untuk kursus).

Proposed Business Expansion of Yatai Tori using Constraint Management Mohamad Toha; Adi Saptari; Anastasia Lidya Maukar
JIE Scientific Journal on Research and Application of Industrial System Vol 9, No 1 (2024)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v9i1.4983

Yatai Tori management expects the business to double in size from its current condition while facing a minimal market growth of 3.7%. In the Market sector, performance needs to be perfect: tasty menu, Friendly Service, Clean and Attractive tools, Fast responses from the servants, and Clear and easy access to information on social media. In terms of the physical sector, the space of Yatai Tori is sufficient to handle 40 clients per day, which is double the existing performance of 15 customers per day. It should add one person to balance the workload of an employee. Following the Policy sector, management should implement employee compensation to motivate workers to increase performance. And management should find a good supplier to make the minimum possible food cost, increase the favourite menu stock, and decrease the favourite lees menu to control the capacity of Yatai Tori. To elevate the limitation, an investment of Rp. 370.000.000 and a total working capital of Rp. 30.000.000 is required, yielding an internal rate of return of 23.36%.

Co-Authors Achmad Aziz Wahdana Achmad Choiron Adi Saptari Agus Sasmito Agustinus Noertjahyana Ahmad Yanu Rokhim Anang Aris Widodo andini dwi arumsari Andira Andira Andira Andira Andira Andira Andira Taslim Andira, Andira ANGGI FIRMANSYAH Anik Vega Vitianingsih Anik Vega Vitianingsih Anik Vega Vitianingsih Anik Vega Vitianingsih Anik Vega Vitianingsih Anik Yuesti Anindo Saka Fitri Anindo Saka Fitri Apri Junaidi, Apri Arie Restu Wardhani Arizia Aulia Aziiza Arrosyadi, Laesa Qotrun Nada Arthur Silitonga Athina Sakina Ratum Avania Shinta Azzahra, Morra Fatya Gisna Nourielda Bella Chelsea Berliana Burhan Primanintyo Cakranegara, Pandu Adi Carolena Setephany Christian Setiadi Ciswondo Ciswondo Dewa Anggara Kesuma Dian Retno Sari Dewi DWI CAHYONO Fauzan, Rizky Fauzi, Ariq Ammar Fawaidul Badri Firmansyah, Deden Fitri Marisa Fitri Marisa Fitri Marisa Fitri Marissa Gita Indah Marthasari Gunawan Hamidan, Rusdi Hashim, Ummi Rabah Helmi Indra Purnomo Hermansyah, David Herwan Yusmira Hikmawati, Nina Kurnia Husri Sidi Ineu Widaningsig Sosodoro Ineu Widaningsih Ineu Widaningsih Sosodoro Ineu Widaningsih Sosodoro Ineu Widaningsih Sosodoro, Ineu Widaningsih Intan Puspita Pribadi Intan Yosa Pramisela Jack Febrian Rusdi Jazid Rizkon Jean Hillary P Korua Jenifer Cafriaty Johan Krisnanto Runtuk Johan Runtuk Julius Mulyono Kacung Hariyono Kamalrudin, Massila Kevin Heryadi Yunior Kresna Arief Nugraha KRISTIAWAN KRISTIAWAN Luqman Hakim Mardiana Andarwati MARIFANI FITRI ARISA Mashudi Mashudi Maulidiana, Putri Dwi Rahayu Maurits Walalayo Mieke Wijayanti Minggow, Lingua Franca Septha Mochammad Syaiful Riza Mohamad Toha Mohd Syaiful Rizal Mucalinda Rupasari Mucalinda Rupasari Muhammad Afra Irwansyah Muzaki, Mochammad Rizki Nurhaba Djiha Octa Wendy Tanurahardja Oktavia Sunny Pramisela, Intan Yosa Pramudita, Atanasia Pramudita, Krisna Eka Puspitarini, Erri Wahyu Putri, Jessica Ananda Putri, Natasya Kurnia Putu Gede Ari Krismantoro Rachmad Ary Ramadhan Ramadhan, Rachmad Ary Rendy - Resza Adistya Pangestu Rhiza Adiprabowo Rhiza Adiprabowo, Rhiza Richki Hardi Rijal, Khaidar Ahsanur Rivaldo Tito Lamberto Da Silva Rusdi, Jack Febrian Salmanarrizqie, Ageng Seftin Fitri Ana Wati Seftin Fitri Ana Wati Shofa Ramadhina Sigit Sigalayan Siti Hajar Binti Mohtar Slamet Kacung Slamet Kacung, Slamet Slamet Riyadi, Slamet Riyadi Stefanus Setiady SUMARDI Susilo, Yunus Sutrisno Sutrisno Syahroni Wahyu Iriananda, Syahroni Wahyu Tantyo Edo Wicaksana Tubagus Mohammad Akhriza Ullum, Choirul Wati, Seftin Fiti Ana Wati, Seftin Fitri Ana Widiya Nur Permata Yana Hendriana Yasin, Verdi Yomara Oktafamero Yoyon Arie Budi Suprio Yudi Kristyawan, Yudi Yunus Susilo Yustian Zandroto, Yosefin Yuniati Zangana, Hewa Majeed

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