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All Journal Indonesian Journal of Industrial Engineering & Management e-Jurnal Apresiasi Ekonomi
Pasti Immanuel Bangun
Politeknik STMI Jakarta
Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering

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Identification of Critical Factors in Product Change in The Automotive Industry B. Handoko Purwojatmiko; Mustofa Mustofa; Pasti Immanuel Bangun
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 4, No 1: February 2023
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v4i1.18669

Abstract

Electric vehicles are a future transportation option that has the advantages of reducing air pollution and being environmentally friendly. Battery-based electric vehicles are still relatively new in Indonesia and have not received public attention like conventional oil-fueled vehicles. Electric vehicles such as electric cars have been socialized, but there are still many assumptions that electric cars are still not roadworthy because they are still in the development process. Presidential regulation number 55 of 2019 is expected to be the legal basis for boosting the development of electric vehicles in Indonesia. This study address to explore and identify the main impact factors of product change on the automotive industry in Indonesia. To identify this case, the model was built based on the Theory of Planned Behavior (TPB) which was expanded in the context of the adoption of electric vehicles. This study aims to identify what factors can affect product changes in the automotive industry. This model is formed by main constructs: individual behavior, subjective norms, and perceived behavior control, as well as three other factors identified from the literature review and interviews. Based on this research, it was found that three factors can have an impact on product changes in the automotive industry. These three factors are subjective norms, perceived risk, and logistical incentives. Apart from these three factors, other supporting factors are also expected to be able to develop the electric vehicle ecosystem in Indonesia.
INVENTORY CONTROL OF RAW MATERIALS FOR GUSSET, FR (SOZAI) PRODUCTS USING THE ECONOMIC ORDER QUANTITY METHOD AT PT XYZ Astriyani Sandya Paramita; Yunda Shofa Fauziyah; Pasti Immanuel Bangun
Jurnal Apresiasi Ekonomi Vol 13, No 2 (2025)
Publisher : Institut Teknologi dan Ilmu Sosial Khatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31846/jae.v13i2.951

Abstract

PT XYZ is a national company that produces metal-based automotive components, and one of the products is Gusset, FR (Sozai). The problem that repeatedly occurs in the company is the unstable purchase and use of raw materials for Gusset, FR (Sozai) products, even at certain times the purchase of raw materials exceeds the needs. Therefore, this study aims to determine the number of raw material orders, the total cost of raw material inventory, safety stock and reorder points, and inventory control of raw materials for Gusset, FR (Sozai) products at PT XYZ. The analysis method uses the Economic Order Quantity method. The results showed that the order quantity of JSH590R T 2.0 raw materials was 211,580 units and JSC590R T 1.4 raw materials was 208,600. The calculation of the total inventory cost of JSH590R T 2.0 raw materials and JSC590R T 1.4 raw materials is IDR 38,229,645 each. The safety stock calculation for JSH590R T 2.0 raw materials totaled 49,597 units and a reorder point value of 128,201 units. As for the JSC590R T 1.4 raw material, the safety stock calculation results in 41,054 units and a reorder point value of 115,543 units. Inventory control of JSH590R T 2.0 raw materials and JSC590R T 1.4 raw materials by applying the EOQ method when compared to the company's process results in 32% savings in inventory costs. Thus, the Economic Order Quantity method is said to be able to help the company control its inventory. Keywords: Raw Material Inventory, Gusset FR (Sozai), Economic Order Quantity
Co-Authors Astriyani Sandya Paramita B. Handoko Purwojatmiko Mustofa Mustofa Yunda Shofa Fauziyah