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INVENTORY : Industrial Vocational E-Journal On Agroindustry
Published by Politeknik ATI Padang
ISSN : -     EISSN : 27231895     DOI : -
Core Subject : Engineering,
Control & Systems Engineering Engineering Industrial & Manufacturing Engineering
INVENTORY mainly focuses on applied research in Agro-industrial systems and its technology. Therefore, INVENTORY will only process and publish submitted research articles or review articles in the area of: 1. Production Planning and Inventory Control 2. Ergonomic and Work Study 3. Product Design and Development 4. Optimization of Production System 5. Information System 6. Manufacturing Facility Design 7. Maintenance System 8. Energy and agro-industrial machinery 9. Related Topic in Industry 4.0 10. Warehouse 11. Procurement 12. Transportation and Distribution 13. Logistic Decision Making 14. Management and measurement of supply chain performance 15. Other related topics with an object of agro-industry, its products (food and non-food) and services (under the decision from editorial board)
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 112 Documents
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Peningkatan Kualitas Udang Rebon Kering Multirespon Mengintegrasikan Metode Taguchi Gray Relational Analysis dan Principal Component Analysis Ridho Akbar; Nabila Rahmawati; M. Hanifuddin Hakim; Ridho Akbar
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 4, No 2 (2023): Published in December 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v4i2.129

Abstract

Rebon shrimp is the catch of fishermen around Sukolilo Baru area, Bulak District of Surabaya. Rebon shrimp processing is only sorted and then dried and sold to collectors. However, the drying process has no definite parameters of factors that can affect the quality of dried rebon shrimp. In overcoming this, research was conducted on improving the quality of dried rebon shrimp. The increase certainly raised several quality responses, namely the color and moisture content of rebon shrimp. The resulting multiresponse needed to be converted into a single response. To optimize multiresponse into a single response, the Taguchi method was used in combination with the Gray Relational Analysis (GRA) and Principal Component Analysis (PCA) methods. Factors and levels were the volume of rebon shrimp (A) with levels of 4 Kg, 4.5 Kg, and 5 Kg, drying time (B) with levels of 90 minutes, 120 minutes, and 150 minutes, and drying temperatures (C) with levels of 41-44ºC, 45-49 ºC, and 36-40 ºC. The quality characteristics were nominal that was the best (if the resulting value is close to the target value, the quality is better). The result produced PCA weighting values on PC1 as evidenced by eigen>1 values. The optimal combination is the volume factor of rebon shrimp at the level of 4.5 Kg, the drying time factor of 120 minutes, and the drying temperature factor of 45 – 49 ºC.
Analisis Perbaikan Kualitas Pelayanan Jasa Penyewaan Gudang Menggunakan Metode Service Quality dan Importance Performance Analysis Ifa Saidatuningtyas; Muhammad Alde Rizal
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i1.186

Abstract

Service quality is crucial for companies in the service sector, directly impacting customer satisfaction. PT BLI, a company offering TPS warehouse rental services, is facing issues with a low influx of containers and customer complaints. This research aims to analyze the service quality at PT BLI's warehouse storage section using the Servqual method, which encompasses five quality dimensions and 24 attributes, followed by Importance Performance Analysis (IPA) to identify attributes that require immediate improvement. The Servqual analysis revealed that 10 attributes of PT BLI's service quality do not meet customer expectations. Through IPA, five attributes were identified as high-priority for improvement: the safety of goods in the warehouse (gap of -0.07), the informativeness of employee service regarding activity updates (gap of -0.14), the speed of employees in processing goods in and out of the LCL warehouse (gap of -0.34), the ability of employees to understand consumer needs (gap of -0.01), and the communication skills of employees in providing excellent service (gap of -0.32). Addressing these critical service quality gaps will help PT BLI enhance customer satisfaction, reduce complaints, and potentially increase the number of incoming containers, positively impacting the company's standing in the warehouse rental industry.
Analisis Rantai Pasok Jamur Tiram di UMKM Sidimpuan Hiratake Mushroom Dalam Memenuhi Permintaan Afferdhy Ariffien; Anggita Rahmad Ritonga; Budi Nur Siswanto
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i1.189

Abstract

Oyster mushrooms, Pleurotus ostreatus, are a type of edible wood mushroom. MSME Sidimpuan Hiratake Mushroom have customer, a family restauran. In order to meet consumer demand with quality and quantity requirements, MSME had issues such as inability to fulfill demand due to insufficient production capacity, and occurrence of returns, where both of these continue to increase. Purpose of this study is to explain the process of supply chain, to find out the actual performance, and to provide some suggestions for improvements to the performance of supply chain. The process flows analyzed in this supply chain are product, information and financial. The product produced by partner farmers is fresh oyster mushrooms, the products that will be sent to restaurant are oyster mushrooms that have been weighed, cleaned and packaged. This research method is qualitative and quantitative. The results of analysis with food supply chain network show that the process flow in the supply chain has been going well. The operational performance measurement results were measured using several supply chain operation reference metrics, that the operational performance of the supply chain cannot be said to be perfect overall. To measure marketing performance, the farmer's share value obtained by partner farmers is 58.3% and the marketing margin for MSME is Rp.5.000. The results of 5 why's analysis, inability to fulfill restaurant's demand was caused due to several things including variations in the growth process as well as limited resources of farmers. Returns are caused by differences in quality control standards and qualifications between restaurant and MSME.
Analisis Efektivitas Mesin Packer BG-04 dengan Metode Overall Equipment Effectiveness di Industri Pengolahan Tepung Terigu Cindy Novalia Dwi Pratama; Evi Yuliawati; Emma Budi Sulistiarini
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 4, No 2 (2023): Published in December 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v4i2.134

Abstract

The wheat flour processing industry is a food industry in the form of production of wheat flour needs which has the main raw material in the form of wheat. The increasing demand and increasing competition in the wheat flour industry require the company to maintain its effectiveness level, one of which is machine effectiveness. One example of a machine at a wheat flour processing industry is the BG-04 packer machine. This study aims to analyze the causes of the non-achievement of the effectiveness of the BG-04 Packer machine which is indicated by the Overall Equipment Effectiveness value standard of 85% and the calculation of its constituent elements, namely Availability, Performance, and Quality. The results showed that the Overall Equipment Effectiveness value of the BG-04 Packer Machine was 60%, meaning that it is still far from effective. From the results of the analysis of six big losses and pareto diagrams show the cause of the low ineffectiveness iddling and minor stopages losses caused by machine stops in a short duration but often occurs. Therefore, it is necessary to make improvements through the results of the 5W+1H analysis, namely conducting training on understanding the machine and how to fix it, making the ergonomic chair of the packer operator, making a rubber backer replacement schedule outside production hours, making and applying SOP, processing distribution scheduling with the most optimal method of cleaning the machine before use.
Integrasi Statistical Quality Control dan Failure Mode and Effect Analysis Dalam Menganalisis Defect Pada Proses Produksi Sri Kaidah; Tosty Maylangi Sitorus; Hartami Dewi
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i1.188

Abstract

One of the companies that make tools for printing at one of the printing companies in Jakarta has a product in the form of Offset Roller Printing, where Offset Roller Printing is a mainstay product with the highest sales. The company promises a declining trend in the rejection rate in 2024, with the rejection rate not exceeding 2%. For that, an analysis of the cause of the problem will be carried out until a repair proposal is obtained by using an integrated method which is Statistical Quality Control (SQC) with Failure Mode Effect Analysis (FMEA). Based on the check sheet, it shows the total production in January - December 2023 of 5699. On the overall operational map, there is no point that is outside the upper or lower operational limits. From the results of the FMEA analysis, it can be seen that the highest RPN is the cover for the method factor with the first priority having an RPN value of 252 which means that the vulcanization temperature is not reached or the temperature of the maturity point is not reached. unable to. There is a need to renew the vulcanization recipe so that the rubber matures perfectly and avoids the occurrence of oblong or closed defects. In addition, improvement proposals as a form of evaluation results are given related to the operator's attention factor, operator's skill, various types of materials, working environment temperature, no machine control, comfortable work environment, hostap plastic setting.
Komparasi Metode Always Better Control, Economic Order Quantity dan Reorder Point Untuk Analisis Pengendalian Persediaan Widya Spalanzani; Angga Prinandar; Andi Nuraliyah; Yelly Febrina Zani
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 4, No 2 (2023): Published in December 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v4i2.135

Abstract

Family Farma Pharmacy is a pharmacy that provides pharmaceutical services in Bekasi Regency. There are 50 types of medicines provided in this pharmacy, but there is no medicine grouping yet. Medicine inventory control is still done manually or by monitoring medicine stocks one by one. So there is no precise and effective calculation to determine total reorders. Therefore, the aim of this research is to grouping medicines, control medicine supplies and reorder it. The methods used are Always Better Control (ABC), Economic Order Quantity (EOQ), and Reorder Point (ROP). The findings obtained were by grouping 50 types of medicines to obtain 10 types of medicines belonging to group A, 10 types of medicines in Group B, and 30 types of medicines in Group C based on the results of the ABC method. Then the EOQ results showed that the optimal order for Cataflam 50 Mg was made for 158 strips. By reordering the Cataflam 50 Mg medicine when the medicine stock reaches 15 strips in each product inventory which still has 23 strips remaining based on the ROP results
Strategi Dekarbonisasi Untuk Industri Pertambangan Batu Bara di Indonesia Menggunakan Metode TOPSIS Huud Alam; Muhammad Reza
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i1.158

Abstract

The coal mining industry is one of the largest contributors to Indonesia’s economy and greenhouse gas emissions at the same time. Indonesian coal mining companies will inevitably expand their business to meet the demand and targets. But Indonesia already set its ambition to become a net-zero country by 2060 or earlier. Without a robust decarbonization strategy at the company level, Indonesia will face difficulties meeting the net-zero target. This study proposes to use one of the Multi-Criteria Decision Analysis, Technique for Order of Preference by Similarity to Ideal, Solution method within the Political, Economic, Social, Technology, Environmental, and Legal criteria to assess five prioritized decarbonization strategies, which are renewable energy, equipment electrification, business shifting, process efficiency, carbon offset. The analysis will evaluate essential sub-criteria such as regulation compliance, investment, social acceptance, technological readiness, and emissions reduction. The data was acquired from a survey of coal mining stakeholders, other journal reviews, and company disclosures. The final results show that process efficiency scores highest on the selected criteria due to high economic and technological value. Meanwhile, other criteria like carbon offset, renewable energy use, and equipment electrification receive lower scores.
Menentukan Lokasi Gudang Eksternal PT Raja Roti Cemerlang Dengan Gravity Location Models Ina Siti Hasanah; Neng Nita Silvia
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 4, No 2 (2023): Published in December 2023
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v4i2.139

Abstract

PT Raja Roti Cemerlang is a food industry that produces bread flour. PT Raja Roti Cemerlang plans to add a new warehouse to expand its reach to existing customers by minimizing distribution distance and shipping costs. This research provides an analysis using mathematical modeling for the problem of selecting the location of new facilities for the company. This model is used with the aim of providing recommendations for the location of candidate warehouse facilities that will be used as a new warehouse that is centralized to its consumers. This research uses a gravity location model that is implemented simply with Microsoft Excel software. This method is used based on its suitability with the identification of problems that the company has. In this research, the data needed to determine the best facility location in accordance with the gravity location method procedure is collected. The data collected is consumer-related data from the company PT Raja Roti Cemerlang such as location (latitude, longitude), number of requests, and distance data. The results of managerial analysis related to the old location and new location for facilities that will be used by the company show a new location with coordinates -6.178209493, 106.8433249 which is located in the Senen area, Central Jakarta City, Special Capital Region of Jakarta which has been projected by having a total difference in distance between the initial distribution location and the location of the external warehouse alternative 3 which is 198.37 km and the difference in shipping costs of Rp. 466,170.
Pengukuran Kinerja Rantai Pasok Pada Industri Karet Remah dengan Pendekatan SCOR (Supply Chain Operations Reference) Beni Harma; Muhammad Ilham Adelino; Miza Ramadayanti; Hadigufri Triha
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i1.195

Abstract

One of the pivotal aspects of a company lies in its supply chain. The company must effectively and efficiently manage their supply chains to support production quality, achieve organizational goals, and ensure customer satisfaction. This research aims to determine the key performance indicators (KPIs) for the crumb rubber processing industry and provide suggestions for improving its supply chain performance. Supply chain performance measurement was conducted using the Supply Chain Operations Reference (SCOR) model in conjunction with the Analytical Hierarchy Process (AHP) method to determine the weights of the KPIs. The research found that the overall supply chain performance score for the crumb rubber company was 84.92, categorizing it as "Good." However, among the 26 Key Performance Indicators (KPIs) identified, three indicators (i.e. production of defective products, consumer complaints, and returns of defective products) fell into the "Poor" category. Hence, it is crucial for crumb rubber industry stakeholders to address these three criteria to enhance supply chain performance.
Redesain Kemasan Keripik Tempe Menggunakan Metode Quality Function Deployment dan Value Engineering Ernawati, Siti; Muhammad, Katon; Asyari, Hasyim
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 2: December 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i2.209

Abstract

The existing Gandhes tempeh chips packaging is not air- and water-tight so it is at risk of damage such as not crispy, easily destroyed, and rancid odor. These packaging problems require packaging development in order to improve the function of the packaging. The purpose of this study is to determine packaging attributes based on consumer preferences to increase the value of Ghandes tempeh chips packaging based on the highest value. Improvement is done by integrating Quality Function Deployment and Value engineering techniques with the help of House of Quality, FAST diagram, and concept combination table. Quality Function Deployment method to identify customer needs by finding weights and technical responses, while Value engineering to analyze packaging functions needed by consumers and recommend the best packaging based on the highest value. The results are 10 attributes that become consumer needs (whats) and 12 technical responses (hows). The results showed 4 alternative packaging concepts that can be made and sorted to determine the best concept in terms of cost and performance. The selected alternative concept is Alternative C with a score of 1.78. The selected packaging specifications include 100 micron metalized paper material, information label, matte finishing, standing pouch, size 17×29 cm, weight 200 grams, ziplock packaging, price per package Rp 2,850, using a combination of red and orange colors. It can be concluded that this proposal is the best proposal in terms of the highest value. This recommendation can be considered capable of fulfilling consumer desires for Gandhes tempeh chips packaging.

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