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INDONESIA
JURNAL TEKNIK INDUSTRI
Published by Universitas Trisakti
ISSN : 14116340     EISSN : 26225131     DOI : https://doi.org/10.25105/jti
Core Subject : Science, Engineering,
Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering
Jurnal Teknik Industri (JTI) mainly focuses on industrial engineering scientific essays in the form of research results, surveys and literature review that are closely related to the Field of Industrial Engineering
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 385 Documents
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Standard Time Measurement and Optimization of the Number of Labor at Ruang Klambi Convection with the Approach of Work Sampling and Work Load Analysis (WLA)  Khairunnissa, Lydwiza Firdananda Khairunnissa; Nurhasanah, Nunung Nurhasanah; Purwandari, Aprilia Tri Purwandari; Khairunnissa, Lydwiza Firdananda
JURNAL TEKNIK INDUSTRI Vol. 15 No. 1 (2025): March 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i1.19851

Abstract

Several companies indirectly give excessive workloads that are considered to increase productivity. Besides workload, the work environment is important in encouraging employees to work optimally. Ruang Klambi Convection does not have a good work system due to the absence of an effective work schedule and poor work environment conditions. This can allow for overload or excessive workload on each worker. The primary motivation for this study is to improve work efficiency at Ruang Klambi Convection, which faces problems of excessive workload and a non-optimal work environment. Through the Work Sampling and Work Load Analysis approach, this study aims to measure standard production time and determine the optimal number of workers, thus reflecting a significant paradigm in measuring standard time. This study was conducted by calculating the standard time required to produce a midi dress with an average order of 30 pieces, measuring and analyzing the workload level from each workstation, and determining the optimal number of workers. Based on the calculations, the results show that the standard time to fulfill an order of 30 pieces is 106.2 hours (equivalent to 5 days). In addition, based on the analysis of the workload of each workstation, two workstations are classified as overloaded, namely workstations I (Pattern Making and Cutting) and II (Sewing), so it is necessary to add a worker to both workstations to achieve a fit workload.
Improving Service Quality with the SERVQUAL Method and Linear Programming Optimization at a Transportation Provider Company Rizkiyah, Ega Rizkiyah; Supriyanto, Hari Supriyanto; Dharaka, Kumara Pinasthika Dharaka; Erlangga, Dicky Erlangga
JURNAL TEKNIK INDUSTRI Vol. 15 No. 1 (2025): March 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i1.19959

Abstract

The rapid growth of the technology industry poses significant challenges for transportation providers in maintaining service quality, particularly in addressing the gap between customer expectations and perceptions and ensuring efficient resource management. This study explores factors influencing service quality in Malaysian transportation provider companies using the SERVQUAL method, quality function deployment (QFD), and linear programming optimization. Key objectives include identifying issues in the TPM application service process, measuring gaps between customer perceptions and expectations, identifying critical service attributes using importance-performance analysis, and prioritizing technical responses to improve service quality using linear programming optimization. Based on root cause analysis, importance-performance mapping, and the house of quality framework, the study identified four key recommendations: updating standard operating procedures (SOPs) and monitoring service issues, providing driver training on methods and skills, implementing stricter driver selection criteria with a focus on code of conduct compliance, and developing an improved application interface for better customer location accuracy. These measures aim to enhance the efficiency and effectiveness of services, ensuring better alignment with customer needs and expectations while addressing critical operational challenges. By bridging the service quality gap, this research provides actionable insights to support continuous improvement in the Transportation Provider Company from Malaysia.
Quality Improvement Using the Six Sigma DMEDI Method for Hand Sterilizer Products Yojana, Ratna Mira Yojana; Clarresta , Cynthia Clarresta; Fitiana, Rina Fitiana
JURNAL TEKNIK INDUSTRI Vol. 15 No. 1 (2025): March 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i1.21476

Abstract

XC Clenaindo Company is a manufacturing company that provides cleaning and sanitation services in Indonesia. However, defects that exceeded the company's tolerance limits were found in hand sterilizer products. This research aims to improve product quality so that it satisfies customer needs. Analysis was conducted to determine the leading causes of product defects using the Six Sigma Define, Measure, Explore, Design, and Implement (DMEDI) method. The DMEDI Six Sigma method is a quality improvement method with a creative approach so that the resulting solution can be a new work system design. The results of the defined process research found two problems, namely product defects because the Sterobac hand sterilizer bottle was convex and the length of the label installation process. At the measure stage, it was discovered that the problem was in the filling and labeling process, which was influenced by the increasing number of requests. At the exploration stage using the 5 why deep interview method, it was discovered that the problem was due to the lack of temperature during the liquid pouring process and the label design making the sticking process difficult. So, the work process was redesigned at the filling stage, and a new label design was created, which made it easier for workers to stick labels and apply the 5S concept. The final stage was implemented by designing the Poka-Yoke Form and Worker Operational Standards for the Filling. This research results in a reduction in the number of defective products.
Rancangan Strategi Kupa Ngupi dengan Pendekatan Blue Ocean Strategy Fadjri, Safwan; Daihani, Dadan Umar; Kisowo, Imam
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13056

Abstract

Intisari: Kupa Ngupi adalah salah satu kedai kopi yang berada di Bekasi. Pada saat ini, kondisi penjualan Kupa Ngupi sedang mengalami penurunan. Salah satu usaha yang perlu dilakukan adalah perubahan strategi yang mendasar. Pendekatan yang digunakan untuk mengevaluasi strategi dan merumuskan strategi baru adalah dengan Blue Ocean Strategy. Langkah pertama dipetakan posisi perusahaan di pasar melalui pembuatan matriks IFAS dan EFAS. Melalui matriks ini dapat diketahui kondisi internal dan eksternal perusahaan. Faktor internal adalah seluruh faktor yang dapat dikendalikan sedangkan faktor eksternal merupakan pengaruh yang datang dari luar dan tidak bisa dikendalikan secara langsung. Strength dan weakness merupakan faktor internal perusahaan, opportunity dan threat merupakan faktor eksternal perusahaan. Berdasarkan matriks IFAS dan EFAS, total skor kekuatan adalah 1,08 dan kelamahan 1,32, selisihnya -0,24 (dipetakan pada sumbu x). Sedangkan total skor peluang 1,833 dan skor ancaman 0,875, selisihnya adalah 0,958 (dipetakan pada sumbu y). Dari hasilperhitunga inu terlihat bahwa perusahaan berada pada Kuadran III. Pada kuadran ini, perusahaan menghadapi peluang besar, namun ada kendala kelemahan internal sehingga perlu dilakukan perubahan strategi untuk keluar dari ruang pasar yang sudah ada. Melalui Kanvas Strategi awal terpetakan bahwa Kupa Ngupi terlihat masih berada di bawah pesaing. Untuk itu perlu dilakukan perubahan dengan mempergunakan Kerangka Kerja Empat Langkah sehingga dpat digambarkan kanvas strategi kearah penciptaan Kupa Ngupi yang unggul. Setelah dilakukan analisis ditemukan bahwa faktor yang harus dihapuskan berkaitan dengan pola penataan ruangan yang tidak berkonsep. Faktor yang perlu dikurangi adalah tingkat ketidak teraturan penataan peralatan dan perlengkapan pembuat kopi. Hal yang perlu ditingkatkan adalah varian dan inovasi produk dan menambah menu ‘bundling package’. Terkahir hal yang perlu dicitptakan adalah berkaitan dengan penciptaan situasi kenyamanan yang direpresentasikan dalam bentuk interior minimalis namun modern. Hal ini sesuai dengan nilai yang dihasilkan yaitu 3,65, kopi ready to go bernilai 3,64, dan speciality kopi bernilai 3,75. Nilai rata-rata usulan faktor diciptakan tersebut di atas 2,9 yang berarti faktor tersebut penting untuk diciptakan. Kanvas strategi akhir menunjukkan adanya kenaikan faktor internal perusahaan dibanding pesaing, ditambah dengan adanya faktor baru yang diciptakan. Usulan lain yang diberikan adalah motto baru “Kopi nikmat, harga gak bikin penat”. Abstract: Kupa Ngupi is one of Bekasi's coffee cafes. At the meantime, Kupa Ngupi sales conditions are decreasing. A fundamental shift in strategy is one effort that must be made. The Blue Ocean Strategy is a method for evaluating existing strategies and developing new ones. The first step is creating IFAS and EFAS matrices to map the company's market position. The internal and external characteristics of the firm may be examined using this matrix. Internal factors are those that can be managed, whereas external factors are those that originate from outside and cannot be directly controlled. The company's internal factors are its strengths and weaknesses, while its external elements are its opportunities and threats. According to the IFAS and EFAS matrices, the total strength score is 1.08 and the weakness score is 1.32, with a -0.24 difference (mapped on the x-axis). While the overall opportunity score is 1.833 and the threat score is 0.875, the difference is 0.958. (mapped on the y-axis).The results of this analysis show that the firm is in Quadrant III. The firm confronts enormous potential in this quadrant, but there are internal weaknesses restrictions, therefore the strategy must be changed to exit the present market area. The first Strategy Canvas revealed that Kupa Ngupi was still lagging behind competitors. As a result, modifications must be made utilizing the Four-Step Framework so that a strategy canvas may be created toward the development of improved Kupa Ngupi. Following the research, it was discovered that the elements that had to be deleted were connected to a pattern of room layout for which there was no conceptualization. The amount of inconsistency in the placement of coffee manufacturing equipment and supplies should be minimized. Product variations and innovations, as well as the addition of a 'bundling package' menu, need to be enhanced. The final element that has to be developed is a relaxed atmosphere, which is represented by a minimalist yet modern interior design. This is aligned with the resultant value of 3.65, ready-to-drink coffee is worth 3.64, and speciality coffee is worth 3.75. The average value of the proposed factor generated is more than 2.9, indicating that the factor is relevant enough to be established. The final strategy canvas indicates an increase in the company's internal factors as compared to competitors, as well as the creation of new features. Another suggestion was for a new motto “Kopi nikmat, harga gak bikin penat".
Peramalan Permintaan Menggunakan Jaringan Syaraf Tiruan dan Perencanaan Produksi Menggunakan Linear Programming pada Perusahaan Aluminium Khairunisa, Rahmi; Marie, Iveline Anne; Moengin, Parwadi; Widayanti, Nue Jihan; Nilla, Nilla
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13060

Abstract

Intisari— PT ABC menghasilkan berbagai macam produk aluminium ingot sekunder yang kemudian didistribusikan pada produsen otomotif roda dua dan roda empat di Indonesia dengan standar kualitas yang tinggi. Bahan baku utama pada produksi aluminium ingot sekunder adalah basemetal, scrap yang diperoleh dari pengepul barang rongsok serta bahan addictive seperti silikon dan tembaga. Saat ini perusahaan kurang optimal dalam menerapkan perencanaan produksi yang menyebabkan tidak maksimumnya pemanfaatan fasilitas produksi serta pemanfaatan penggunaan energi bahan bakar gas yang menyebabkan tingginya biaya produksi. Tujuan dari penelitian ini adalah untuk mendapatkan hasil peramalan permintaan dan perencanaan produksi yang dapat menurunkan biaya produksi. Pada penelitian dilakukan perancangan model peramalan permintaan menggunakan metode Jaringan Syaraf Tiruan untuk mendapatkan proyeksi permintaan selama 3 periode mendatang. Selanjutnya dilakukan perencanaan produksi dengan menggunakan pendekatan Linier Programming yang telah mempertimbangkan ketersediaan sumber daya produksi sehingga dapat meningkatkan utilisasi fasilitas produksi dengan biaya produksi yang minimum. Berdasarkan rencana produksi dapat dilakukan perhitungan kebutuhan persediaan bahan baku pembentuk produk. Hasil peramalan dengan menggunakan metode Jaringan Syaraf Tiruan memberikan hasil peramalan permintaan dengan nilai error yang kecil. Hasil proyeksi permintaan untuk periode 1 adalah sebanyak 804.645 kg, periode 2 sebanyak 529.307 kg, dan periode 3 sebanyak 788.669 kg. Berikutnya, dengan menggunakan output hasil peramalan permintaan menggunakan JST, dilakukan perencanaan produksi yang memberikan solusi jumlah produksi yang optimal, yaitu untuk produk AC2C, ADC12 dan HD2 yang menghasilkan biaya produksi minimum. Berdasarkan hasil perhitungan perencanaan produksi dapat ditentukan kebutuhan bahan baku basemetal, skrap dan addictive untuk mendukung operasional produksi pada perusahaan aluminium. Abstract— PT ABC produces a wide range of secondary aluminum ingot products which are then distributed to two-wheel and four-wheel automotive manufacturers in Indonesia with high quality standards. The main raw materials for the production of secondary aluminum ingots are base metal, scrap obtained from junk collectors and addictive materials such as silicon and copper. Currently the company is less than optimal in implementing production planning which causes the utilization of production facilities not to be maximized and the use of gas fuel energy which causes high production costs. The purpose of this research is to obtain the results of demand forecasting and production planning that can reduce production costs. In this research, the demand forecasting model is designed using the Artificial Neural Network method to obtain demand projections for the next 3 periods. Furthermore, production planning is carried out using a Linear Programming approach which has taken into account the availability of production resources so as to increase the utilization of production facilities with minimum production costs. Based on the production plan, it is possible to calculate the inventory requirements for raw materials forming the product. Forecasting results using the Artificial Neural Network method provide demand forecasting results with a small error value. The results of requests for period 1 were 804,645 kg, period 2 were 529,307 kg, and period 3 were 788,669 kg. Next, by using the output of demand forecasting using ANN, a production plan is carried out that provides the optimal production quantity solution, namely for AC2C, ADC12 and HD2 products that produce minimum production costs. Based on the calculation results of production planning, it can be determined the need for base metal, scrap and addictive raw materials to support production operations in aluminum companies.
Pengendalian Waktu Proyek Menggunakan Metode Critical Chain Project Management (CCPM) Studi Kasus Pembangunan Proyek Irigasi Tahap II Kabupaten Aceh Barat Saputra, Arie; Putra, Gaustama; Aguslita, Fani
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13063

Abstract

Intisari - Perencanaan dan pengendalian waktu proyek merupakan bagian dari manajemen proyek konstruksi secara keseluruhan dimana usaha yang sistematis untuk menentukan standar yang sesuai dengan sasaran perencanaan, merancang sistem informasi, membandingkan pelaksanaan dengan standar menganalisis kemungkinan adanya penyimpangan. PT Wirataco Mitra Mulya merupakan salah satu perusahaan yang bergerak dibidang konstruksi infrastruktur pengaspalan, pembangunan jalan dan jembatan yang bertempat di Kabupaten Aceh Barat. Masalah yang sering dihadapi dalam proyek pembangunan irigasi tahap II adalah terjadinya waste pada proyek seperti menunggu material yang diakibatkan karena keterlambatan pengiriman dari pemasok, menunggu turunnya dana karena pengajuan dana belum disetujui, metode kerja yang tidak baik sehingga menyebabkan material yang menumpuk, peralatan tidak memadai dikarenakan peralatan tidak berfungsi maksimal yang disebabkan kurangnya perawatan dan jadwal perawatan diabaikan, kualitas pekerjaan kurang baik disebabkan karena cuaca tidak mendukung pelaksanaan pekerjaan. Tujuan penelitian ini yaitu menentukan jalur kritis pada jaringan kerja pengerjaan proyek pembanguan irigasi Lhok Guci tahap II, menentukan indikator pengawasan konsumsi buffer akibat potensi timbulnya waste dan menentukan perbandingan waktu dan biaya perencanaan penjadwalan sebelum dan sesudah penerapan metode Critical Chain Project Management. Hasil penelitian menunjukan bahwa kegiatan kritis pada proyek pembangunan Irigasi Lhok Guci tahap II yaitu pekerjaan Mob/Demob Dump Truck, Mob/Demob Vibro Roller, Mob/Demob Bulldozer, Mob/Demob Sheet Foot Roller, Pembersihan Lapangan/Clearing and Grubbing, Galian Tanah (MP), Galian Tanah (ALB), Timbunan Tanah Didatangkan, diratakan, dipadatkan (ALB), Pengadaan dan Peasangan Geotextile-Geogrid Komposit dan Urungan Sirtu. Indikator pengawasan konsumsi buffer akibat potensi timbulnya waste akan berujung pada penggunaan durasi project buffer. Indikator zona pemakaian buffer yang diperoleh. Pihak pelaksana harus melakukan perencanaan tindakan pencegahan jika buffer yang terkonsumsi pada kurun waktu 15-28 hari dan segera melakukan tindakan jika buffer yang terkonsumsi pada kurun waktu 29-42 hari dan menjadikan akar permasalahan akibat potensi timbulnya waste sebagai pertimbangan dalam penentuan tindakan pencegahan terhadap konsumsi buffer dan berdasarkan penerapan critical chain project management diperoleh project buffer berdurasi 42 hari dengan kurun waktu penjadwalan proyek Irigasi Lhok Guci tahap II yaitu 409 hari menjadi 367 hari tanpa konsumsi buffer dengan pendanaan proyek sebesar Rp. 23,405,029,699belum termasuk PPN10% dan penghematan biaya tenaga kerja sebesar Rp. 124.223.914.72 tanpa konsumsi buffer. Abstract - Planning and controlling project time is part of the overall construction project management where a systematic effort to determine standards in accordance with planning objectives, designing information systems, comparing implementation with standards analyze possible deviations. PT Wirataco Mitra Mulya is a company engaged in the construction of asphalting infrastructure, road and bridge construction located in West Aceh Regency. Problems that are often faced in Phase II irrigation development projects are the occurrence of waste in projects such as waiting for materials caused by late delivery from suppliers, waiting for funds to decrease because the submission of funds has not been approved, poor working methods that cause material to accumulate, equipment is inadequate due to equipment is not functioning optimally due to lack of maintenance and neglected maintenance schedules, poor quality of work due to weather does not support the implementation of work. The purpose of this research is to determine the critical path in the work network for the second phase of the Lhok Guci irrigation development project, to determine indicators of monitoring buffer consumption due to the potential for waste generation and to determine the ratio of time and costs of scheduling planning before and after the application of the Critical Chain Project Management method. The results showed that the critical activities in the second phase of the Lhok Guci irrigation development project were the work of the Mob/Demob Dump Truck, Mob/Demob Vibro Roller, Mob/Demob Bulldozer, Mob/Demob Sheet Foot Roller, Field Cleaning/Clearing and Grubbing, Soil Excavation ( MP), Soil Excavation (ALB), Landfill Imported, leveled, compacted (ALB), Procurement and Installation of Composite Geotextile-Geogrids and Sirtu Storage. The indicator for monitoring buffer consumption due to the potential for waste will lead to the use of project buffer duration. Obtained buffer usage zone indicator. The implementer must plan preventive actions if the buffers are consumed within 15-28 days and immediately take action if the buffers are consumed within the period of 29-42 days and make the root of the problem due to the potential for waste as a consideration in determining preventive measures against buffer consumption and based on the application of critical chain project management, a project buffer of 42 days is obtained with a period of scheduling the Lhok Guci Phase Two Irrigation project, namely 409 days to 367 days without buffer consumption with project funding of Rp. 23,405,029,699 excluding 10% VAT and labor cost savings of Rp. 124,223,914.72 without buffer consumption.
Analisis Risiko dan Penentuan Strategi Mitigasi Berdasarkan Metode FMEA dan AHP (Studi Kasus: CV. Kurir Kuriran Samarinda) Subhan, Muhammad Rahmat; Sabila, Ninda Nur; Meidita, Tasya; Deny, Andi; Profita, Anggriani; Kartika, Deasy; Kuncoro, Rahayu
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13064

Abstract

Intisari— Layanan jasa kurir sudah banyak tersedia di Kota Samarinda, salah satunya adalah Kurir Kuriran. CV. Kurir Kuriran Samarinda merupakan perusahaan jasa kurir online antar, jemput, dan beli barang maupun makanan, dalam Kurir Kuriran memiliki beberapa risiko yang pernah terjadi dalam proses operasional. Oleh karena itu, dilakukan penelitian untuk mengidentifikasi risiko-risiko yang ada dengan memberi bobot di tiap risiko yang menggunakan metode Failure Mode and Effect Analysis (FMEA) dengan cara menentukan bobot berdasarkan nilai RPN yang didapatkan berdasarkan nilai severity, occurance, dan detection serta meminimalisir risiko-risiko tersebut dengan mitigasi risiko menggunakan metode Analytic Hierarchy Process (AHP) dengan aplikasi Expert Choice V11 untuk mengetahui alternatif-alternatif yang bisa digunakan untuk mengurangi risiko. Hasil yang didapatkan dari penilaian dan pemeringkatan risiko dengan metode FMEA yang menjadi peringkat pertama adalah sulitnya pencarian kurir saat cuaca hujan (355,2), kendala pengantaran pada saat hujan atau banjir (219), dan Rider (kurir) pernah keliru dalam melaporkan hasil pendapatan (250). Hasil dari penentuan strategi mitigasi adalah pada prioritas mitigasi faktor kriteria yang menjadi peringkat tertinggi adalah proses penerimaan dan pemberian orderan (admin server) dan proses pengambilan dan pengantaran barang (rider) (0,455). Strategi mitigasi dari proses penerimaan dan pemberian orderan yang terpilih yaitu memiliki kartu kuota pribadi lebih dari satu provider (0,751) untuk risiko jaringan mengalami gangguan. Strategi mitigasi yang terpilih dari proses pengambilan dan pengantaran barang yaitu memiliki kartu kuota pribadi lebih dari satu provider (0,731) untuk risiko kendala pada jaringan, mengganti kurir dengan lapor ke admin server (0,674) untuk risiko kendala pada motor misalnya motor mati atau ban bocor, mengganti kurir dengan lapor ke admin server (0,528) untuk risiko kurangnya uang talangan atau jumlah talangan tidak sesuai. Strategi mitigasi yang terpilih dari proses pengelolaan keuangan dan setoran yaitu memberikan sanksi ke kurir yang bersangkutan berupa banned (0,635) untuk risiko rider lupa dalam memberikan laporan hasil pendapatan, admin setoran dengan teliti menghitung kembali laporan (0,731) untuk risiko rider pernah keliru dalam melaporkan hasil pendapatan. Abstract— Courier services are widely available in Samarinda City, one of which is Kurir Kuriran. CV. Kurir Kuriran Samarinda is an online courier service company deliver, pick up, and buy goods and food, in Kurir Kuriran has several risks that have occurred in the operational process. Therefore, conducted research to identify the risks that exist by giving weight in each risk using Failure Mode and Effect Analysis (FMEA) method by determining the weight based on RPN value obtained based on value of severity, occurance, and detection and minimize these risks by mitigating risks using Analytic Hierarchy Process (AHP) methods with Expert Choice V11 Software to find out alternatifs that can be used to reduce risk. The results obtained from the assessment and rating of risk with FMEA method that became the first rank is the difficulty of searching a courier in rainy weather (355.2), constraints on delivery during rain or flood (219), and Riders (couriers) have been wrong in reporting income results (250). The result of determining the mitigation strategy is the priority of the mitigation factor, the highest ranking criteria are the process of receiving and giving orders (server admin) and the process of taking and delivering goods (riders) (0.455). The mitigation strategy of the process of receiving and giving orders is to have a personal quota internet card more than one provider (0.751) for the risk of unstable network. The mitigation strategy who chosen from the process of taking and delivering goods is have a personal quota internet card more than one provider (0.731) for the risk of problems on the network, replacing the courier by reporting to the admin server (0.674) for the risk of problems on the motorcycle, for example the motorcycle dies or the tire leaks, replace the courier by reporting to the admin server (0.528) to reduce the lack of bailout money or the amount of bailout is not appropriate. The mitigation strategy who chosen from the financial and deposit management process is to give a penalty to driver of being banned (0.635) for the risk of the driver forgetting to provide an income report, the deposit admin carefully recalculates the report (0.731) for the risk that the driver has ever mistakenly reported the results income.
Optimasi Lokasi Distribution Center UKM Mina Indo Sejahtera dengan Model Matematis Haversin dan Centre of Gravity Adjusting Arsiwi, Pramudi; Wijaya, Dewa Kusuma; Wahyu Adi, Prajanto
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13070

Abstract

Intisari— Biaya distribusi produk yang masih cukup tinggi dan juga lokasi konsumen yang tersebar di berbagai wilayah Pulau Jawa menjadi sebuah tantangan yang cukup kompleks bagi UKM Mina Indo Sejahtera, agar dapat selalu memenuhi mayoritas bahkan seluruh demand dari konsumen potensialnya dengan biaya yang seefisien mungkin. Oleh karena itu, diperlukan sebuah desain jaringan supply chain yang optimal bagi UKM Mina Indo Sejahtera, agar seluruh konsumen dapat tetap terlayani dengan total biaya distribusi yang tetap efisien. Metode yang digunakan yaitu dengan menggunakan formulasi model matematis haversin dan juga Center of Gravity (COG) Adjusting. Koordinat lokasi yang dihasilkan terbukti mampu meminimalkan total jarak tempuh dan juga total biaya yang harus dikeluarkan UKM Mina Indo Sejahtera untuk mendistribusikan produknya ke seluruh market khususnya di Pulau Jawa. Hasil penurunan total jarak tempuh dan total biaya distribusi bulanan yang didapatkan melalui formula haversin dan metode COG Adjusting yaitu sebesar 22% dan 24%. Sehingga, apabila UKM Mina Indo Sejahtera memusatkan distribusinya pada lokasi baru tersebut, total jarak yang ditempuh ke seluruh pasar di Pulau Jawa dapat diminimalkan menjadi sejauh 1.720, 4 kilometer, dengan total biaya distribusi bulanan yang dikeluarkan hanya sebesar Rp Rp 11.736.455,-.. Abstract— The cost of product distribution is still quite high and also the location of consumers spread across various regions of Java Island is a fairly complex challenge for Mina Indo Sejahtera SMEs, in order to always meet the majority and even all demands from potential consumers at the most efficient cost possible. Therefore, an optimal supply chain network design is needed for Mina Indo Sejahtera SMEs, so that all consumers can still be served with efficient total distribution costs. The method used is by using a haversin mathematical model formulation and also Center of Gravity (COG) Adjusting. The resulting location coordinates are proven to be able to minimize the total distance traveled and also the total costs that must be incurred by Mina Indo Sejahtera SMEs to distribute their products to all markets, especially in Java. The results of the reduction in total mileage and total monthly distribution costs obtained through the haversin formula and the COG Adjusting method are 22% and 24%, respectively. Thus, if Mina Indo Sejahtera SMEs concentrated their distribution in the new location, the total distance traveled to all markets on Java Island could be minimized to 1,720, 4 kilometers, with a total monthly distribution cost of only Rp. 11,736,455,-.
Analisis Pengendalian Persediaan Komoditas Sayur Organik Untuk Efisiensi Biaya Persediaan Dengan Menggunakan Wagner-Within Algorithm Dan Heuristic Silver-Meal Method Pada PT Masada Organik Indonesia Fitri, Fitri; Dwi Satya, Ririn Regiana; Hunusalela, Zeny Fatimah
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13074

Abstract

Intisari—Indonesia merupakan negara agraris yang memiliki peluang dalam mengembangkan pertanian organik. Beberapa tahun terakhir ini, perhatian masyarakat terhadap pertanian organik semakin meningkat. Salah satu komoditas prospektif yang dapat dikembangkan dengan sistem pertanian organik di Indonesia adalah sayur-sayuran. PT Masada Organik Indonesia merupakan salah satu perusahaan agribisnis di Jawa Barat yang bergerak dibidang pertanian organik. Masalah yang dihadapi PT Masada Organik Indonesia adalah tidak terkontrolnya pengendalian persediaan yang disebabkan oleh permintaan pelanggan yang tidak menentu (dinamis) dan fluktuatif. Manajemen persediaan bertujuan untuk menentukan perencanaan pengendalian komoditas sayur organik di PT Masada Organik Indonesia dalam rangka efisiensi dan meminimalkan biaya persediaan yang dikeluarkan oleh perusahaan. Metode Algoritma Wagner-Within dan metode Heuristik Silver Meal memiliki tujuan yang sama yaitu menghasilkan kuantitas pesan yang optimum dengan biaya yang rendah. Dari hasil pengolahan data didapatkan metode usulan yang terbaik adalah biaya persediaan menggunakan metode Heuristik Silver Meal karena dapat menghasilkan biaya yang paling rendah dibandingkan dengan metode Algoritma Wagner-Within yaitu dengan penghematan sebesar Rp. 64.000.000,- dan efisiensi 26% dari metode yang diterapkan oleh perusahaan dengan total biaya persediaan yaitu Rp. 178.235.754,- Abstract—Indonesia is an agricultural country that has the opportunity to develop organic agriculture. In recent years, the public's attention to organic farming has increased. One of the prospective commodities that can be developed using an organic farming system in Indonesia is vegetables. PT Masada Organik Indonesia is an agribusiness company in West Java which is engaged in organic agriculture. The problem faced by PT Masada Organik Indonesia is uncontrolled inventory control caused by erratic (dynamic) and fluctuating customer demand. Inventory management aims to determine the planning of organic vegetable commodity control at PT Masada Organik Indonesia in the context of efficiency and minimizing inventory costs incurred by the company. The Wagner-Within Algorithm method and the Heuristic Silver Meal method have the same goal, namely to produce an optimum message quantity at a low cost. From the results of data processing, it is found that the best proposed method is the inventory cost using the Heuristic Silver Meal method because it can produce the lowest cost compared to the Wagner-Within Algorithm method with a savings of Rp. 64,000,000, - and 26% efficiency from the method applied by the company with a total inventory cost of Rp. 178,235,754, -.
Pemodelan Systems Dynamics pada Penanganan Sampah di Desa Penambangan Kabupaten Sidoarjo Retnowati, Dini; Fudhla, Ahmad Fatih; Yani, Ahmad
JURNAL TEKNIK INDUSTRI Vol. 11 No. 3 (2021): VOLUME 11 NO 3 NOVEMBER 2021
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v11i3.13076

Abstract

Intisari— Emisi karbon terbesar berasal dari residu yang ditinggalkan dari aktivitas manusia. Pada volume besar dan tak terkendali, emisi ini menjadi penyebab utama pemanasan global. Sumbangsih emisi gas buang juga bersumber dari aktivitas sehari-hari masyarakat. Di negara Indonesia, yang termasuk dalam kategori negara berkembang, aktivitas masyarakat lebih banyak terakumulasi di tingkat desa. Desa Penambangan merupakan desa yang terletak di kabupaten Sidoarjo provinsi Jawa timur yang memiliki luas wilayah kurang lebih 150 Ha dengan jumlah penduduk 5.816 jiwa. Pada penelitian ini dilakukan kajian dengan pendekatan system dynamics bagaimana penanganan sampah di desa tersebut. Model system dynamics yang dihasilkan bisa digunakan untuk bahan pertimbangan pemerintah desa Penambangan dalam menangani sampah. Berdasarkan simulasi model, seiring berjalannya waktu, total tingkat emisi karbon dari sampah desa meningkat rata-rata 10.8% tiap bulan. Dengan melakukan penanganan sampah organing yang lebih komprehensif, emisi karbon berkurang hingga 90.4% dibandingkan kondisi awal di level model. Abstract— The largest carbon emissions come from residues of human activities. In large and uncontrolled volumes, these cause global warming. As an accumulation, The emissions also come from the daily activities of the community. In developing countries such as Indonesia, community activities are mostly accumulated at the village level. “Penambangan” is one of villages located in Sidoarjo, East Java, which has an area of approximately 150 hectares with a population of 5,816 people. In this study, a system dynamics approach was carried out on how to handle waste in the village. The resulting model can be used by local government for consideration in handling them. Based on the model simulation, the total level of carbon emissions of the community increased by an average of 10.8% per month. By carrying out more comprehensive handling of waste, carbon emissions are reduced by 90.4% compared to the initial conditions at the model level.

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