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Job Order

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Job order refers to a specific method of production and cost accounting in which costs are assigned to individual units or batches of products, allowing for detailed tracking of expenses and profitability for each job or project undertaken by a business.
lightbulbAbout this topic
Job order refers to a specific method of production and cost accounting in which costs are assigned to individual units or batches of products, allowing for detailed tracking of expenses and profitability for each job or project undertaken by a business.

Key research themes

1. How can heuristic and priority sequencing rules improve job sequencing and scheduling efficiency in complex job shop environments?

This theme investigates heuristic algorithms and priority sequencing rules tailored to optimize job sequencing and scheduling in job shop settings. These methods aim to reduce total elapsed time, minimize lateness and makespan, and improve operational efficiency under practical constraints including precedence relationships and multiple machines. The research highlights approximate and exact heuristic procedures that balance computational tractability and solution quality in complex scheduling problems, essential for manufacturing and production systems facing NP-hard challenges.

Key finding: Introduces a simple algorithm for approximating sequences for n-job, m-machine flow shop scheduling minimizing total elapsed time without computer use; provides up to m-1 sequences using a modified Johnson’s n-job, 2-machine... Read more
Key finding: Proposes hybrid genetic algorithms enhanced with newly devised priority rules—partial reordering, gap reduction, and restricted swapping—to improve schedule makespan minimization in job shop scheduling; experiments on 40... Read more
Key finding: Addresses job shop scheduling with limited human operators working under free assignment-changing mode, proving NP-hardness for arbitrary operators and presenting polynomial-time algorithms for one and two operators aimed at... Read more
Key finding: Applies the Preference Selection Index (PSI), a multi-criteria decision-making technique that obviates the need for criteria weight determination, to rank seven job sequencing priority rules based on nine performance... Read more

2. What are the roles of precedence constraints and flexible sequencing interpretations in optimizing scheduling under complex job relationships in flow and job shops?

This research area explores scheduling problems with intricate precedence constraints, including s-precedence constraints where a task must start after the predecessor starts (not necessarily finishes), and analyzes the effect on computational complexity and approximation algorithms. It also examines layered, agreeable, and graph-structured job relationships impacting schedule feasibility and optimization. Understanding these constraints enhances scheduling accuracy in manufacturing with dependent operations and synchronization requirements.

Key finding: Develops approximation algorithms for m-machine open-shop scheduling with unit processing time jobs and general precedence constraints aiming to minimize makespan; introduces layered job partitions and a greedy refinement to... Read more
Key finding: Presents polynomial-time exact algorithms for job and flow shop scheduling problems incorporating s-precedence constraints where successor tasks cannot start before predecessors start (not finish); solves two-machine flow... Read more
Key finding: Explores the computational implications of distinguishing 'strong' versus 'weak' precedence constraints in chain and tree partially ordered job sets, showing this subtlety drastically affects NP-hardness and solvability;... Read more

3. How can integrating human factors like worker preferences and capabilities enhance job order scheduling and assignment in labor-intensive and diverse workforce environments?

This theme investigates incorporation of human resources characteristics—such as worker satisfaction, capability heterogeneity, and flexible task participation—into job assignment and scheduling models. Research incorporates real-time worker position data, psychological capital, and skill variability to improve scheduling robustness and workforce engagement, reflecting increasingly recognized human-driven optimization in manufacturing and service sectors.

Key finding: Demonstrates a novel process mining approach using real-time indoor localization data of workers to derive and compare actual task sequences against nominal assignments; reveals workers’ flexible behaviors and adaptive... Read more
Key finding: Considers scheduling where operator assignment affects job processing times and must be dynamically managed; presents computational complexity results and efficient algorithms for single/two operator cases minimizing maximum... Read more
Key finding: Finds that psychological capital dimensions such as hope, optimism, and resilience significantly predict high levels of work engagement among job order employees, implying that improving psychological resources may enhance... Read more
Key finding: Develops an exact task-oriented branch-and-bound algorithm for assigning tasks to workers with heterogeneous capabilities in assembly lines, solving the ALWABP-2 to optimize production rate; computational results show... Read more
Key finding: Applies machine learning algorithms, notably random forest achieving 92% accuracy, to predict suitable job selections for candidates based on skills, experience, and preferences; provides a data-driven tool to assist... Read more

All papers in Job Order

This paper aims at understanding the consequences of transformational leadership on work engagement with the moderating effect of job satisfaction in the context of small and medium-sized enterprises (SMEs) in Istanbul. The research... more
The study aims to determine the relationship between psychological capital and work engagement of job order employees using quantitative non-experimental design utilizing correlation method to 105 job order employees. Mean, Pearson-r and... more
The study aims to determine the relationship between psychological capital and work engagement of job order employees using quantitative non-experimental design utilizing correlation method to 105 job order employees. Mean, Pearson-r and... more
Agung Mulya has experienced a decline in the production process, because there is an inefficient machine arrangement that causes delays in producing products, products with a target in a day can produce about 300 pcs of requests, can only... more
Teaching factory as competency-based learning process facility has a purpose to improve the skill and knowledge of students in Politeknik ATI Padang. Besides that, It also gives students an overview for the industrial work process. This... more
CV. Sari Teknik merupakan salah satu perusahaan yang bergerak dalam bidang industri pembuatan suku cadang industri manufaktur terutama PT. Semen Padang. Dalam penyusunan tata letak fasilitas perusahaan tidak memperhitungkan kedekatan... more
Agung Mulya has experienced a decline in the production process, because there is an inefficient machine arrangement that causes delays in producing products, products with a target in a day can produce about 300 pcs of requests, can only... more
Tata letak pabrik adalah tata cara pengaturan fasilitas-fasilitas pabrik secara efektif dan efisien pada area yang telah disediakan, sehingga dapat meminimasi pergerakan. Perpindahan material yang pendek akan meminimasi total momen... more
PT. Anugrah Damai Mandiri is a manufacturing company that produces products in the form of steel doors, sliding doors, and fire doors. In the steel door production process, PT. Anugrah Damai Mandiri experienced problems at workstations... more
The interplay of job satisfaction and work engagement among seasonal workers is less explored in the academic literature. Thus, this study aimed to explore the relationship of the two variables among the seasonal workers of a banana... more
Group Technology System merupakan metode pengaturan fasilitas produksi (machine groups) yang dibutuhkan untuk memproses suatu part family tertentu ke dalam sel-sel manufaktur. Pengaturan tata letak di CV. Sonytex yang berdasarkan process... more
Tata letak pabrik dan fasilitas produksi merupakan faktor yang sangat berpengaruh pada kelancaran proses produksi. Tata letak pabrik yang baik ditandai dengan pola aliran perpindahan bahan yang lancar dengan jarak minimal. Semakin pendek... more
Perancangan tata letak fasilitas bagi perusahaan konveksi merupakan hal yang penting untuk dipertimbangkan dalam suatu sistem perusahaan. Permasalahan yang timbul saat ini di perusahaan konveksi yang diteliti yaitu minimnya luas lantai... more
PT. Alpha Jaya Manunggal Mandiri is manufacturing company engaged in furniture sector. There are several problems with old layout such high material handling costs, long distances between work stations, and alternating flow. Therefore,... more
Feed laboratory is a facility that guarantees feed quality in the feedlot industry. But the existence of this laboratory has not been fully considered both in terms of facilities and layout that ease the movement of workers. This research... more
PT. Alpha Jaya Manunggal Mandiri is manufacturing company engaged in furniture sector. There are several problems with old layout such high material handling costs, long distances between work stations, and alternating flow. Therefore,... more
The study was conducted to determine the level of leadership styles and motivationof barangay functionaries in Davao city, Philippines. Quantitative non-experimental design using descriptive correlation methodto 100 respondents among... more
The study aims to determine the relationship between psychological capital and work engagement of job order employees using quantitative non-experimental design utilizing correlation method to 105 job order employees. Mean, Pearson-r and... more
CV. Sari Teknik merupakan salah satu perusahaan yang bergerak dalam bidang industri pembuatan suku cadang industri manufaktur terutama PT. Semen Padang. Dalam penyusunan tata letak fasilitas perusahaan tidak memperhitungkan kedekatan... more
The COVID-19 pandemic has brought unprecedented challenges to organizations and employees worldwide, necessitating a deeper understanding of the factors that promote employee engagement during times of crisis. This study aims to... more
The study was conducted to determine the problems in the implementation of local community justice system in Tamugan, Marilog District, Davao City. The primary data were gathered using Focus Group Discussion of eight (8) Arbitration... more
The study aims to determine which domains of organizational culture that best predicts the work stress among government employees in Davao City. The level of organizational culture among government employees exhibited a high level with... more
As a campus that has a maritime mission, Madura State Polytechnic has made a master plan for campus development by building a shipyard. This is also supported by the campus located on the beach. In preparing the shipyard, facilities are... more
Salah satu tujuan alokasi sumber daya manusia adalah untuk melakukan penyeimbangan lini produksi untuk mengurangi overtime. Overtime dilakukan untuk mencegah keterlambatan dalam penyelesaian produksi. Hal ini terjadi di PT. Faco Global... more
Group Technology System merupakan metode pengaturan fasilitas produksi (machine groups) yang dibutuhkan untuk memproses suatu part family tertentu ke dalam sel-sel manufaktur. Pengaturan tata letak di CV. Sonytex yang berdasarkan process... more
Padalantaiproduksipabriktersebutterdapatlayout yang panjang sehingga mengakibatkan urutan proses produksinya kurang optimal. Perbaikan tata letak fasilitas produksi dilakukan dengan metode Rank Order Cluster Algoritm (ROCA) dan Similarity... more
The study aims to determine which domains of organizational culture that best predicts the work stress among government employees in Davao City. The level of organizational culture among government employees exhibited a high level with... more
Tata letak pabrik yang baik dapat menempatkan berbagai fasilitas dan peralatan fisik secara teratur sehingga mendukung pekerjaan berjalan secara produktif. Penelitian ini dilakukan di perusahaan yang memproduksi sandal spon sebagai... more
PTPN V PKS-SPA is a state owned company that produces Crude Palm Oil (CPO) and Kernel. The problem that happened in this company is a material transfer distance is too far. Thus it is necessary to redesign the production floor to minimize... more
PT Kebun Tebu Mas is a manufacturing company that produces white crystal sugar for the community, and refined sugar for industrial needs. In the sugar manufacturing industry, it is necessary to design the layout of the facility,... more
Group Technology System merupakan metode pengaturan fasilitas produksi (machine groups) yang dibutuhkan untuk memproses suatu part family tertentu ke dalam sel-sel manufaktur. Pengaturan tata letak di CV. Sonytex yang berdasarkan process... more
Facility layout design is a part of facility design that focuses more on setting physical elements. These physical elements can be machines, equipment, tables, buildings, and so on. Rules or regulatory logic can be in the form of... more
Micro, Small, and Medium Enterprises (MSMEs) are promising contributors to national economic growth. One of the significant components in a business is the layout  aspect of production facilities. This study aims to produce an optimal... more
PT. ABC Indonesia is a manufacturing industry engaged in sport's shoes with the Adidas brand, using basic materials made of leather, fabric and synthetic. PT. ABC has problems in terms of material displacement and movement of workers on... more
The study aims to determine the relationship between psychological capital and work engagement of job order employees using quantitative non-experimental design utilizing correlation method to 105 job order employees. Mean, Pearson-r and... more
The process of plain bread dough without sugar after the fermentation process is then left to stand for a certain time manually or modern. The process of developing plain bread dough without sugar can be done by using yeast which is... more
The study aims to determine the relationship between psychological capital and work engagement of job order employees using quantitative non-experimental design utilizing correlation method to 105 job order employees. Mean, Pearson-r and... more
ABC Indonesia adalah perusahaan industri manufaktur yang bergerak di bidang sepatu olahraga yang bermerek Adidas, menggunakan bahan dasar yang terbuat dari kulit, kain dan sintetis. PT. ABC memiliki masalah dalam hal perpindahan material... more
One of the activities in the warehouse that causes waste is the inefficient and effective layout of facilities in material handling activities. This research was conducted with the aim of providing a layout improvement proposal using the... more
ABC adalah salah satu perusahaan yang berusaha di bidang manufaktur penghasil gripper rubber seal. Perusahaan ini memiliki masalah dalam tata letak lantai produksinya yaitu  terdapat crossmovement dan jarak pada beberapa stasiun juga... more
The facility layout is a strategic design that is used for a long time. All manufacturing industries must pay attention to the right layout to increase the productivity of the industry. A prayer paper manufacturing industry located in the... more
PTPN V PKS-SPA is a state owned company that produces Crude Palm Oil (CPO) and Kernel. The problem that happened in this company is a material transfer distance is too far. Thus it is necessary to redesign the production floor to minimize... more
Perancangan layout fasilitas memiliki peranan penting dalam menunjang kelancaran proses produksi yang berdampak terhadap ketepatan waktu penyelesaian order. PT. Meco Inoxprima merupakan perusahaan job order yang memproduksi tangki dan... more
ABC adalah salah satu perusahaan yang berusaha di bidang manufaktur penghasil gripper rubber seal. Perusahaan ini memiliki masalah dalam tata letak lantai produksinya yaitu  terdapat crossmovement dan jarak pada beberapa stasiun juga... more
Tata letak dalam area lantai produksi memegang peranan penting dalam kelangsungan hidup sebuah industri manufaktur. Saat ini PT. BI-Surabaya melakukan relokasi pabrik dan berencana tetap menggunakan layout lama untuk diterapkan di lokasi... more
This study has been undertaken to examine the determinants of job satisfaction in terms of monetary and non-monetary rewards and the effect of job satisfaction on employee satisfaction in the case of Indian public sector executives. The... more
An enormous change has occurred in the professional world of learning. In order to develop a knowledge-based economy, awareness has been given not only to hard but also to soft skills. Nowadays business executives consider soft skills a... more
This study has been undertaken to examine the determinants of job satisfaction in terms of monetary and nonmonetary rewards and the effect of job satisfaction on employee satisfaction in the case of Indian public sector executives. The... more
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