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All Journal Jurnal Teknik Industri Journal Analytica Islamica At-Tawassuth: Jurnal Ekonomi Islam Jurnal Sistem Teknik Industri JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi) Logistic and Operation Management Research Jurnal Polimesin KOPEMAS Advance Sustainable Science, Engineering and Technology (ASSET) Widya Teknik
Nismah Panjaitan
Departemen Teknik Industri; Fakultas Teknik Universitas Sumatera Utara
Religion Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Analysis Noise Level in Production the Palm Oil: A Case Study Nismah Panjaitan; Utari Noor Afifah Panggabean
Jurnal Teknik Industri Vol. 23 No. 2 (2022): August
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol23.No2.121-132

Abstract

Excessive noise exposure during the manufacturing process is a widespread issue. This research aimed to analyze noise exposure in the kernel recovery station in the manufacturing process of palm oil. We conduct some measurements and calculations for noise exposure analysis to get the Equivalent Noise Level (Leq) value during the daytime for each measurement point. The noise measurement was conducted on four machines, including a depericarper and polishing drum machine, ripple mill machine, silo dryer machine, and clay bath machine. In addition, this research showed noise contour mapping to define the noise distribution.  The results of this research are that only the clay bath machine had Ls below the threshold. The clay bath machine workstation has good noise levels. The Depericarper, Polishing Drum, Ripple Mill, and Silo Dryer Machine must be quieter. Thus, this research used the Hierarchy of Control Approach to reduce and control hazardous noise exposure. The stage of HOC includes elimination, substitution, engineering, administrative control, and Personal Protective Equipment (PPE).
Implementation of rapid entire body assessment and anthropometry methods in conveyor design Nismah Panjaitan; Felica Felica
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3119

Abstract

The packaging station is one of the stations needed to produce the product. The workers in this station are still doing the process manually. The packaging station has several processes, namely the weighing process, the sewing process, and the moving process of the finished product by manually lofting the sack from the sewing machine to the pallet. The moving process has three activities holding, lifting, and moving. Workers who work manually often complain of pain felt while working, so they are at risk of experiencing musculoskeletal disorders. Accordingly, it is important to analyse the work posture to determine whether improvements must be made. The Rapid Entire Body Map (REBA) analyses the work position. Analysis of work posture is moving the product. The REBA method's posture assessment results are 8 for holding, 9 for lifting, and 10 for moving. From the results, it can be categorized as a high-risk level, and immediate improvements are needed. The improvements were made by designing a conveyor from the sewing machine to the pallet using the Anthropometric method with dimensions of 100cm, width of 65cm, and height of 113cm.
PENERAPAN TEKNOLOGI TEPAT GUNA MESIN KRISTALISASI JAHE DAN PENGEMBANGAN MANAJEMEN USAHA UNTUK MENINGKATKAN KUANTITAS DAN KUALITAS PRODUK SERTA MANAJEMEN USAHA UD MAKAME BERKAH INDONESIA Buchari Buchari; Nismah Panjaitan; Ami Dilham
Konferensi Nasional Pengabdian Masyarakat (KOPEMAS) #5 2024 Konferensi Nasional Pengabdian Masyarakat (KOPEMAS) #5
Publisher : Konferensi Nasional Pengabdian Masyarakat (KOPEMAS) #5 2024

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kegiatan Pengabdian Kepada Masyarakat di UD Makame Berkah Indonesia dilakukan sebagai upaya meningkatkan efesiensi proses produksi, peningkatan jumlah dan kualitas produksi melalui implementasi teknologi tepat guna mesin kristalisasi jahe pada UD Makame Berkah Indonesia Jl. Murni V No.8, Medan. Proses produksi yang ada pada UD Makame Berkah Indonesia saat ini masih menggunakan peralatan tradisional, khususnya proses kristalisasi (granules) minuman rempah jahe. Alat yang digunakan adalah kuali dengan kayu pengaduk yang digerakan oleh tangan manusia untuk menjadikan saripati jahe menjadi butiran jahe dengan hasil butiran yang masih kasar karena diaduk dengan tangan dan kekuatan tenaga manusia yang terbatas, sehingga membutuhkan waktu hampir 5 jam untuk memproduksi 5 kg jahe merah dan mengakibatkan cedera otot lengan atas salah satu karyawan. Oleh karena itu, UD Makame Berkah Indonesia tersebut sangat membutuhkan mesin kristaliasi jahe dengan pengaduk otomatis yang digerakan oleh tenaga listrik. Selain itu UD Makame Berkah memerlukan pengembangan manajemen usaha dengan menyusun rencana bisnis (business plan) dan bisnis model canvas. Setelah metode implementasi dilaksanakan secara terpadu dimulai dengan melakukan implementasi teknologi tepat guna mesin kristalisasi jahe dalam proses menjadi saripati jahe menjadi butiran (granules) jahe sehingga dapat mempercepat proses produksi, butiran jahe merah sudah menggunakan alat mesin kristalisasi jahe merah dengan pengaduk otomatasi yang digerakkan oleh listrik yang hanya membutuhkan waktu 2 jam untuk memproduksi 5 kg jahe merah dapat memperbanyak jumlah produksi dan menghasilkan produksi yang lebih berkualitas sehingga dapat memenuhi kebutuhan pelanggan serta melakukan pengembangan manajeman usaha dengan menyusun business plan dan bisnis model canvas. Kegiatan ini dapat memberikan dampak yang positif tidak hanya bagi masyarakat sasaran tetapi juga bagi perguruan tinggi
Reduksi produk cacat pada kegiatan pencetakan Nismah Panjaitan; Dini Wahyuni; Mangara Tambunan
Widya Teknik Vol. 16 No. 2 (2017)
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v16i2.1661

Abstract

Kualitas hasil kerja dapat dipengaruhi oleh kondisi tempat kerja, metode kerja, dan kemampuan operator yang melaksanakan kerja tersebut. Penelitian ini dilakukan di sepuluh usaha percetakan yang berlokasi di Kota Medan. Penelitian bersifat deskriptif, observasi dilakukan terhadap aktivitas kerja pencetakan, kondisi kerja, jumlah produk cacat, penelusuran penyebab terjadinya cacat dan upaya untuk mereduksi jumlah cacat. Hasil penelitian menunjukkan sejumlah kriteria produk cacat pada kegiatan pencetakan dokumen, buku, koran, garment, sablon, dan undangan. Aktivitas kognitif yang utama pada operator pencetakan adalah eksekusi dan merupakan kegagalan fungsi kognitif yang memiliki persentase terbesar. Sebagian besar operator bekerja berdasarkan pengalaman, tanpa pelatihan yang memadai sehingga menimbulkan dampak terjadinya produk cacat. Upaya penanganan produk cacat yang direkomendasikan untuk masing-masing jenis produk dituangkan ke dalam 3 bagian prosedur yaitu pra operasi, saat operasi, dan pasca operasi. Tindakan penanganan produk cacat memerlukan kemampuan, ketelitian, dan kesiagaan operator dalam menjalankan tugasnya
Strategi Pengembangan Proses Bisnis Di UPTD TPI Kecamatan Tanjung Tiram Kabupaten Batu Bara Imelda Angglina Nasution; Tuti Sarma Sinaga; Nismah Panjaitan
JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi) Vol. 12 No. 2 (2026): April 2026
Publisher : Sekretariat Pusat Lembaga Komunitas Informasi Teknologi Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jemsi.v12i2.6104

Abstract

The Fish Auction Place (TPI) play a strategic role in supporting the distribution system of fishery product and imprroving the welfare of fishers. However, the auction function at TPI Tanjung Tiram has not operated optimally, as transactions continue to occur outside the designated auction area and operational management remains weak. This study aimas to analyze the business processes of the TPI and formulate appropriate development strategies. The research employes a qualitative approach with a case study design. Data collection techniques included interviews, direct observation, documentation, and the distribution of open ended questionnaires to fishery business actor. Data were analyzed using the VRIO frameworks to asses internl advantages and the PESTLE framework to examine exterbak environmental factors. The findings show that resource management is still suboptimal and exixsting facilities remain underutilized. Insight from the open ended questionnaires indicate the need fpr increased transaction tranparency, improvement of facilities, and enhanced us of technology, which significantly influences the performance of the TPI. This study cocludes that strengthening operational management is essential for improving the long term performance and sustainability of TPI Tanjung Tiram.
Optimization of Work Posture at PT. XYZ: Analysis of the Rapid Entire Body Assessment (REBA) Method to Improve Health and Productivity Nismah Panjaitan; Niken Kristin Silitonga; Juni Arta Lubis; Muhammad Zaky Faris
Logistic and Operation Management Research (LOMR) Vol. 3 No. 2 (2024): Logistic and Operation Management Research (LOMR)
Publisher : Research Synergy Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/lomr.v3i2.2773

Abstract

The study at PT. Fenyen Agro Lestari identified poor work postures that affect worker health and productivity. Using the REBA method, the boiler department had the highest risk (score 11), followed by the maintenance (score 6) and Laboratory (score 4). Immediate ergonomic improvements are recommended to reduce musculoskeletal disorders (MSDs).  The purpose of this research is to analyze the impact of poor working posture on workers' musculoskeletal health in various departments of PT. Fenyen Agro Lestari, Indonesia and recommend ergonomic improvements to reduce the risk of MSDs. The methodology involves REBA for postural assessment, collecting musculoskeletal complaints via questionnaires, and analyzing data to recommend ergonomic improvements. The findings revealed that poor postures cause significant musculoskeletal disorders, especially in the Boiler department, highlighting the need for ergonomic improvements. This study is novel in that it applies the Rapid Entire Body Assessment (REBA) method to a specific context within PT. Fenyen Agro Lestari, provides tailored ergonomic recommendations for multiple departments and addresses gaps in existing research on posture-related musculoskeletal disorders in the industry. The study’s limitations include a focus on only three departments, potential observer bias, and reliance on subjective questionnaire data, which may not fully capture all musculoskeletal issues or account for variations in individual worker experiences.
ANALYSIS OF THE EFFECT OF PRICE, PRODUCT QUALITY AND BRAND IMAGE ON THE PURCHASE DECISION OF PT SEMEN INDONESIA (PERSERO) TBK PRODUCTS WITH THE SEMEN ANDALAS BRAND IN MEDAN CITY Doan Carlo Trimora; Arlina Nurbaity Lubis; Nismah Panjaitan
Journal Analytica Islamica Vol 14, No 2 (2025): ANALYTICA ISLAMICA
Publisher : Program Pascasarjana UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/jai.v14i2.27262

Abstract

This study investigates how price, product quality, and brand image shape retailers' purchase decisions for Semen Andalas, a product of PT Semen Indonesia (Persero) Tbk, in Medan City. The research is motivated by a paradoxical market phenomenon: regional cement demand and overall corporate sales are increasing, yet Semen Andalas is experiencing a declining market share amid intensifying competition. Adopting a causal research design, the study surveys all 97 building-material stores in Medan that have purchased Semen Andalas, using saturated sampling. Price, product quality, brand image, and purchase decision are operationalized into multi-item Likert scales, whose validity and reliability are confirmed through Pearson product-moment correlations and Cronbach's alpha. Data are analyzed using descriptive statistics, classical assumption tests, and multiple linear regression. The results show that price, product quality, and brand image jointly explain 49.3% of the variance in purchase decisions (R² = 0.493) and have a positive and significant simultaneous effect. Partially, each variable also exerts a positive and significant influence, with price emerging as the strongest predictor, followed by product quality and brand image. These findings indicate that retailers' decisions are driven by a combination of perceived price fairness, functional performance, and brand trust rather than by product attributes alone. The study underscores the need for an integrated strategy that aligns pricing, quality management, and brand-building initiatives to strengthen Semen Andalas' competitive position in Medan's cement market.
ANALISIS PENGARUH MODIFIED DIMENSION OF E-SERVICE QUALITY TERHDAP E-LOYALTY YANG DIMEDIASI OLEH E-SATISFACTION PADA PENGGUNA APLIKASI LINK AJA Malkan Yahya Abdillah; Arlina Nurbaity Lubis; Nismah Panjaitan
AT-TAWASSUTH: Jurnal Ekonomi Islam Jurnal At-Tawassuth | Vol. X | No. 2 | 2025
Publisher : Universitas Islam Negeri Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/ajei.v10i2.27095

Abstract

This study aims to analyze how the Modified Dimensions of E-Service Quality including Efficiency, Reliability, Responsiveness, Fulfillment, and Privacy influence E-Satisfaction and E-Loyalty, both directly and indirectly, among LinkAja application users in Medan, Indonesia. The research uses a quantitative approach with primary data obtained from 100 respondents who are active users of the LinkAja e-wallet application. Data were analyzed using the Structural Equation Modeling (SEM) method with the SmartPLS 3.0 software. The results show that all five dimensions of E-Service Quality have a positive and significant effect on E-Satisfaction and E-Loyalty, both directly and indirectly through E-Satisfaction as a mediating variable. These findings indicate that user satisfaction plays a crucial role in fostering user loyalty toward digital payment applications. Therefore, improving efficiency, system reliability, service responsiveness, and user data privacy is essential to enhance overall user experience and strengthen customer loyalty to LinkAja.
Literature Study on Analysis of Risky Riding Behavior in Motorcycle Riders Salsabila Sembiring; Nismah Panjaitan; Rosnani Ginting
Jurnal Sistem Teknik Industri Vol. 28 No. 3 (2026): JSTI Volume 28 Number 3 July 2026
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v28i3.25902

Abstract

Risky driving behavior among motorcyclists is one of the main factors contributing to the high traffic accident rates, especially in developing countries. This study aims to identify, analyze, and synthesize various factors influencing risky riding behavior among motorcyclists thru a Systematic Literature Review (SLR) approach. The research method was conducted by searching for scientific articles from various academic databases, such as Google Scholar, Scopus, and ScienceDirect, using keywords related to risky driving behavior, road safety, and motorcycle riders. The literature selection process was conducted based on inclusion and exclusion criteria to obtain relevant and high-quality articles. The study results show that risky driving behavior is influenced by several main factors, namely individual factors, psychological factors, environmental factors, and social and regulatory factors. The most frequently observed forms of risky behavior include speeding, using mobile phones while driving, not using personal protective equipment, running red lights, and aggressive behavior on the road. This study concludes that efforts to reduce risky driving behavior require a multidimensional approach thru safety education, consistent law enforcement, and the development of transportation policies focused on the safety of road users. This research is expected to serve as a foundation for the development of driving safety strategies and a reference for future studies.
Election Officers' Health and Safety: An Occupational Risk Analysis Yunia Dwie Nurcahyanie; Nismah Panjaitan; Olievia Prabandini Mulyana; Muhammad Teguh Yulianto
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/dxrp0s27

Abstract

General elections are vital to democracy in Indonesia, yet the occupational health and safety (K3) of Voting Organizer Group (KPPS or election officers) officers is often overlooked. This study evaluates the impact of workload on the physiological health of election officers during the 2024 General Election using an ergonomics-based approach. Data were collected from seven KPPS members at TPS 07 Cerme Kidul, Gresik, East Java, measuring blood pressure and oxygen saturation before and after election day. The Wilcoxon Signed Rank Test revealed significant increases in blood pressure (p = 0.046) and decreases in oxygen saturation (p = 0.047) post-election. Key risk factors identified include long working hours, insufficient rest, and static positions. The study recommends interventions such as work shift rotations, extended rest periods, enhanced health screenings, and ergonomic improvements at polling stations. These measures aim to improve the health and safety of election officers, contributing to safer and more sustainable elections.
Co-Authors Ami Dilham Arlina Nurbaity Lubis Buchari M. Kes Dini Wahyuni Doan Carlo Trimora Felica Felica Imelda Angglina Nasution Juni Arta Lubis Malkan Yahya Abdillah Mangara Tambunan Muhammad Teguh Yulianto Muhammad Zaky Faris Niken Kristin Silitonga Olievia Prabandini Mulyana Rosnani Ginting Salsabila Sembiring Tuti Sarma Sinaga Utari Noor Afifah Panggabean Yunia Dwie Nurchayanie