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All Journal ECSOFiM (Economic and Social of Fisheries and Marine Journal) agriTECH AGRARIS: Journal of Agribusiness and Rural Development Research Agroindustrial Technology Journal Jurnal Teknologi & Industri Hasil Pertanian Agroindustrial Journal

Endy Suwondo

Departemen Teknologi Industri Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada, Jl. Flora No. 1, Bulaksumur, Yogyakarta 55281

Author-ID : 2872108

Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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DYNAMIC LOT-SIZING PROBLEMS: A Review on Model and Efficient Algorithm Endy Suwondo; Henry Yuliando
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Due to their importance in industry, dynamic demand lot-sizing problems are frequently studied.This study consider dynamic lot-sizing problems with recent advances in problem and modelformulation, and algorithms that enable large-scale problems to be effectively solved.Comprehensive review is given on model formulation of dynamic lot-sizing problems, especiallyon capacitated lot-sizing (CLS) problem and the coordinated lot-sizing problem. Bothapproaches have their intercorrelated, where CLS can be employed for single or multilevel/stage, item, and some restrictions. When a need for joint setup replenishment exists, thenthe coordinated lot-sizing is the choice. Furthermore, both algorithmics and heuristics solutionin the research of dynamic lot sizing are considered, followed by an illustration to provide anefficient algorithm.

Measurement of the Performance of the Sugar Cane Grinding Machine at the XYZ Sugar Factory Elok Pawening Maharani; Endy Suwondo; Darmawan Ari Nugroho
Agroindustrial Journal Vol 7, No 2 (2020)
Publisher : APTA and DTIP FTP UGM

XYZ Sugar Factory is a sugar factory which has problems related to the effectiveness of the machines at the sugar cane milling station. This can be seen in the condition of machines that are outdated and in 2013 the level of machine downtime at milling stations tended to increase and exceeded the standard percentage set by the company for the last 3 months. Measurement of machine performance at this milling station uses the Overall Equipment Effectiveness (OEE) method, which is then carried out by measuring six big losses to determine the amount of efficiency lost. From the six factors, it can be identified which factor of losses has the biggest contribution in influencing the level of machine effectiveness by using the Pareto diagram. The data used were data from 12 May - 10 November 2014. During that period, the availability value was 94.72%, the performance value was 90.31%, and the quality was 96.78%, so that the OEE value was 82.95%, which means has not met the best practice OEE value, which is at least 85%. The main factors that affect the effectiveness of the machine are idling and minor stoppages losses, namely the machine is idle due to the time waiting for the sugarcane to enter and the problem of machines outside the milling station.

The Implementation of Activity-Based Costing on Black Rice Supply Chain in Sleman District, Yogyakarta Anggriani Dwi Putriasih; Dyah Ismoyowati; Endy Suwondo
Agroindustrial Journal Vol 8, No 2 (2021)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/aij.v8i2.76732

As the primary rice consumers, Indonesians, especially people in Yogyakarta, particular consumers progressively changed their carbohydrate intake from white rice to black rice because of human health benefits. Consequently, from 2015 to 2018, Yogyakarta black rice farm extended its arable land, production, and productivity to fulfill the demand. The research aims to help the actor of business to supervise the activities, wasting higher costs and reducing the profit by analyzing the logistics cost structure along the black rice supply chain with Activity-Based Costing (ABC). The results found that the highest cost proportion of farmers (63.57%), farmer groups (69.97%), and distributors (50.47%) take place in the material handling activity. In comparison, retailers spend most of the cost on inventory activity (64.29%).

Co-Authors Anggriani Dwi Putriasih Budi Wardono Dyah Ismoyowati, Dyah Elok Pawening Maharani Fradana Subagya Galih Kusuma Aji Hadi Yahya Saleh Mareeh Henry Yuliando Ita Apriani Kilana Putri Anindita Kuncoro Harto Widodo Masayuki Matsuoka Mochammad Maksum Novita Erma Kristanti Nugroho, Darmawan Ari Shafira Wuryandani Siti Mir'atul Khasanah Suhendra Suhendra Tian Nur Ma’rifat Wildan Fajar Bachtiar

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