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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI IWJ : Inland Waterways Journal Prosiding Seminar Nasional Pascasarjana IWTJ : International Water Transport Journal
Febriyanti, Himmatul Ulya
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Mathematics Mechanical Engineering Transportation

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ANALISIS KESTABILAN DAN KONTROL OPTIMAL MODEL LESLIE-GOWER FUNGSI RESPON HOLLING III DENGAN PEMANENAN PADA POPULASI PREDATOR DAN PREY Himmatul Ulya Febriyanti; Syamsuddin Toaha; Kasbawati Kasbawati
Jurnal Matematika, Statistika dan Komputasi Vol. 16 No. 1 (2019): JMSK, July, 2019
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.081 KB) | DOI: 10.20956/jmsk.v16i1.6784

Abstract

This article modified the leslie-gower model on harvesting with predator and prey population. This study aims at construct a modification of leslie-gower model with holing III response function. In addition, there is an effort harvesting in predator and prey population, analyzing an equilibrium point, finding bionomic equilibrium and the condition where the present value is maximum from net income by controlling harvesting in both populations. In the modified leslie-gower model there is an equilibrium point  which is asymptotically stable and when there have harvesting, the equilibrium point  is also asymptotically stable. Bionomic equilibrium from harvesting on the modified leslie-gower model is maximizing the profit function π of harvesting on a model with the maximum pontryagin principle resulting an optimal equilibrium) affected by instantaneous rate of discount δ.
Pendidikan Karakter pada Pendidikan Tinggi Vokasi: Studi Literatur Broto Priyono; Febriyanti Himmatul Ulya; Suwito Eko Pramono; M. Khalid; Amir Mahmud
Prosiding Seminar Nasional Pascasarjana Vol. 6 No. 1 (2023)
Publisher : Pascasarjana Universitas Negeri Semarang

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Abstract

Pendidikan tinggi vokasi merupakan tempat untuk mencetak peserta didik dengan keahlian yang siap pakai. Keahlian yang dimiliki peserta didik harus diseleraskan dengan karakter yang baik. Karakter yang baik dapat menciptakan suasana dan lingkungan kerja yang positif sehingga menjadi individu yang produktif. Pada pendidikan tinggi vokasi, pembelajaran orientasi lapangan lebih dominan, sehingga pendidik harus mendampingkan pembelajaran untuk melatih hard skill dan soft skill. Karakter yang baik akan ditanamkan melalui pelatihan soft skill, sehingga peserta didik siap untuk menjalani kehidupan di tengah masyarakat. Tujuan pada penelitian ini adalah mengetahui pembentukan karakter pada Pendidikan Tinggi Vokasi (PTV) dengan metode Systematic Literature Review (SLR). Berdasarkan hasil penelitian, pendidikan karakter sudah diajaran sejak usia dini, sehingga pendidikan karakter pada pendidikan tinggi berada pada tahap penguatan. Metode yang digunakan dalam memberikan Pendidikan karakter pada PTV adalah dengan peneladanan yang dilakukan oleh seluruh sivitas akademika. Pendidikan karakter pada PTV lebih fleksibel karena kurikulum pada PTV menyesuaikan kebutuhan industri. Peran dosen sebagai pendidik karakter yang berkenaan langsung dengan peserta didik dapat didampingkan pada proses pembelajaran dan praktik kerja.
Evaluation Of Crossing Vessel Operation Patterns On The Kariangau-Penajaj Port Kariangau East Kalimantan Province Argo, Junian Budi; Amanda, Monica; Ulya, Febriyanti Himmatul; Puspitasari, Novrianti; Dewi Apriani , Dahlia; Wulandari, Devita Eka
IWJ : Inland Waterways Journal Vol. 5 No. 2 (2023): Inland Waterways Journal (IWJ:Oktober)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwj.v5i2.178

Abstract

Kariangau Ferry Port is a port in Balikpapan City which serves the Kariangau-Penajam route with a total of 12 ships per day. Ship operations on this route are not balanced with minimum service standards for ship operations and the ideal number of trips so that when the ship sails it does not carry maximum passengers or vehicles. This research aims to increase the efficiency of ship use based on the current ideal number of ships and trips and minimum service standards for ship operations. The method used in this research is analysis load factor, analysis of minimum service standards for ship operations, analysis of ship needs, and scheduling analysis. Based on the results of the calculation analysis load factorobtained on averageload factorfor passengers it is currently 1% and for vehicles it is currently 57%. The change in ship operating patterns on the Kariangau-Penajam route now from existing conditions, which was obtained through the results of analysis of the calculation of the need for the number of ships and analysis of optimal ship schedules, has caused differences between the current ship operating patterns and the planned operation patterns resulting from the calculations. The operating pattern of this plan is calculated based on the number of trips and the number of ships according to the needs of service users so that ships on this route can carry maximum passengers and vehicles.load factorideal 65%.
Optimalisasi Kebutuhan Fasilitas Integrasi Antarmoda Di Pelabuhan Kariangau Kalimantan Timur Rahmita, Destria; Hardimansyah, Rizki; Amanda, Monica; Ulya, Febriyanti Himmatul; Agustini, Elfita; Atika, Aulia Ika; Faishal Fadhil, Muhammad Afif
IWJ : Inland Waterways Journal Vol. 6 No. 1 (2024): Inland Waterways Journal (IWJ:April)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwj.v6i1.210

Abstract

Secara umum, penyelenggaraan transportasi umum yang memadai memerlukan keterpaduan yang melibatkan lebih dari satu moda. Pelabuhan Kariangau merupakan salah satu Pelabuhan Penyeberangan di Kota Balikpapan yang menjadi tempat pergantian moda dari transportasi air dan transportasi jalan. Pada Pelabuhan Kariangau ini terdapat 21 (dua puluh satu) kapal ferry yang beroperasi dengan 3 (tiga) lintasan penyeberangan. Padalintasan Kariangau – Panajam kapal yang beroperasi berjumlah 19 kapal dengan jarak sejauh6,60 KM, kemudian pada lintasan Balikpapan – Mamuju terdapat 1 kapal yang beroperasi dengan jarak sejauh 291 KM dan 1 kapal beroperasi pada lintasan Balikpapan – Palu denganjarak sejauh 394 KM. Pelabuhan Penyeberangan Kariangau ini beroperasi selama 24 jam, maka dari itu produktivitas pengguna jasa di Pelabuhan Kariangau cukup tinggi. Pengguna jasa angkutan penyeberangan dalam menuju dan meninggalkan Pelabuhan Kariangau, dapatmenggunakan angkutan jalan dan juga angkutan perairan lanjutan. Saat ini angkutan umum yang melayani di pelabuhan Kariangau adalah Bus Trans Balikpapan koridor D Terminal Batu Ampar – Pelabuhan Kariangau. Berdasarkan survei di lapangan, permasalahan mengenai integrasi antarmoda di Pelabuhan Kariangau khususnya pada Bus Trans Balikpapan adalah tidak ditemukananya fasilitas penunjang seperti halte bus, papan informasi tarif dan jadwal keberangkatan Bus Trans Balikpapan serta jalan khusus (trotoar) dan gangway untuk menuju tempat penjemputan. Dengan adanya permasalahan tersebut membuat pengguna jasa khususnya dari lintasan antar provinsi kebingungan dalam melanjutkan perjalanan. Sehingga banyak penumpang turun dari kapal yang duduk di pinggir taman maupun jalan yang mengganggu proses keluar masuk kendaraan dari lapangan parkir siap muat menuju kapal maupun perpindahan kendaraan keluar Pelabuhan.
EVALUATION OF THE INSTALLATION AND ACTIVATION OF AIS AND COMMUNICATION DEVICES ON TRADITIONAL MOTOR SHIP ON THE SIMANINDO – TIGARAS TRAFFIC, NORTH SUMATERA PROVINCE Khairani, Muhammad; Sari, Yulia Puspita; Priyono, Broto; Bokau, Joe Ronald Kurniawan; Ulya, Febriyanti Himmatul; Febriansyah, Febriansyah
IWTJ : International Water Transport Journal Vol. 6 No. 2 (2024): International Water Transport Journal (IWTJ: October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

Simanindo Port is a very important ferry port in connecting Sumatra Island with Samosir Island via waterways. In this case, the author compares the installation and activation of AIS and communication devices, but the current conditions are not in accordance with the Regulation of the Minister of Transportation Number PM 18 of 2022 concerning the Automatic Identification System for Ships Carrying Out Activities in the Territory of Indonesia and the Regulation of the Director General of Land Transportation Number: KP.3424 / AP.402 / DRJD / 2020 concerning River and Lake Ships. Through qualitative methods, the author conducted direct observations of the actual conditions in the field, namely seeing directly the operation of traditional motorboats, boarding and disembarking passengers and AIS installed on traditional motorboats and their activation while the ship was sailing. Based on the analysis results that have been obtained, the KSOPP Lake Toba together with the Water Police and the government have made efforts so that ship operators comply with the installation and activation of AIS and communication devices to support smooth sailing of ships, namely by carrying out ramp checks and coaching for ship operators who are not yet compliant. But in reality, of the 17 traditional motor ships operating, there are still 2 traditional motor ships that have not been installed with AIS, 6 traditional motor ships that have not been installed with communication devices and on each ship that has been installed with AIS and communication devices, it is still not effective in terms of activation when sailing and tends to deactivate AIS and the communication device. So ship owners need to be aware of installing AIS and communication devices on ships and ship operators must also always activate AIS when sailing for shipping safety.
Review Of Ferry Transport Subsidies On The Padang – Siberut Pioneer Route in West Sumatera Province Puspita Sari, Yulia; Ulya, Febriyanti Himmatul; Sesilia Putri, Salsabila Verandita; Mu'tamar, Rispa Saeful
IWJ : Inland Waterways Journal Vol. 7 No. 2 (2025): Inland Waterways Journal (IWJ:October)
Publisher : Politeknik Transportasi Sungai, Danau dan Penyeberangan Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54249/iwj.v7i2.294

Abstract

Teluk Bungus Ferry Port is a pioneer ferry port located in Bungus Teluk Kabung district, West Sumatera Province. This study aims to assess the effectiveness of subsidising ferry transport on the Padang-Siberut pioneer route served by KMP Ambu–Ambu. This research was conducted using a quantitative approach through the collection of primary and secondary data from relevant agencies, as well as using the ship operating cost analysis method and simple linear regression to project passenger and vehicle growth, ship operating costs and revenue from 2025 to 2030. The results of the study show that the average number of passengers and vehicles fluctuates, but shows a positive growth trend in 2025–2030. The Ship Operating Costs value in 2025 will reach Rp.10,355,532,711.02, with fixed costs, variable costs, overhead profit margin, and depreciation as the main factors. Meanwhile, revenue from ticket sales is not yet sufficient to cover the ship's operating costs. Based on the results of Ship Operating Costs forecasting and revenue in 2025–2030, the Break Even Point (BEP) of 26% indicates that the Padang–Siberut route is predicted to reach break-even point in March 2028, so that in 2028 it can be recommended to become a commercial route.
PREDICTION OF PASSENGER PRODUCTIVITY AT THE KUALA TUNGKAL RO-RO FERRY PORT ON THE KUALA TUNGKAL – TELAGA PUNGGUR LINE Yulia Puspita Sari; Ulya, Febriyanti Himmatul; Agustina, Elfita; Zakki, Farhan
IWTJ : International Water Transport Journal Vol. 7 No. 2 (2025): International Water Transport Journal (IWTJ:October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

Passenger productivity at the port plays a crucial role in supporting the sustainability of port operations. Predicting the number of passengers at the port can be used as a reference for preparing port service readiness. The Kuala Tungkal Ferry Port, on the Kuala Tungkal – Telaga Punggur route, connects Jambi Province with the Riau Islands Province. The purpose of this study is to predict the number of passengers on Eid transportation in 2026. The historical data used is data from 14 days before Eid al-Fitr until 7 days of Eid al-Fitr from 2020 to 2025. The analysis method used is the FORECAS.ETS method, the application of which is carried out in Excel. After conducting the analysis, the prediction was that the highest number of passengers would be seven days after Eid al-Fitr, with 882 people. This prediction was used as a reference for evaluating the port's service readiness. The evaluation, based on Ministerial Decree No. 52 of 2004, determined that the existing waiting area was inadequate to accommodate the number of passengers expected for the 2026 Eid al-Fitr holiday.
EVALUATION OF PASSENGER SERVICE ON KMP.SENANGIN ON THE KUALA TUNGKAL – DABO SINGKEP LINE Pujianto, Erli; Ulya, Febriyanti Himmatul; Daffa, Muhammad
IWTJ : International Water Transport Journal Vol. 7 No. 2 (2025): International Water Transport Journal (IWTJ:October)
Publisher : Politeknik Transportasi Sungai Danau dan Penyeberangan Palembang

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Abstract

Kuala Tungkal Ferry Port is located in West Tanjung Jabung Regency, Jambi Province. Kuala Tungkal Ferry Port has four operating ships: KMP.Sembilang, KMP.Citra Nusantara, KMP.Satria Pratama, and KMP. Senangin. KMP. Senangin is the only ship operating on the Kuala Tungkal – Dabo Singkep route. Several services are not in accordance with regulations and are carried out by ship operators, even though services on board have been regulated by the government to provide a sense of safety and comfort during the crossing. This study aims to determine the level of conformity of passenger services on KMP Senangin with the current Minimum Service Standards and to determine the level of user satisfaction with KMP Senangin passenger service facilities. The method used is an analysis of the level of conformity of the Minimum Service Standards for ferry transportation andCustomer Satisfaction Index(CSI)To determine the level of satisfaction of service users with the current passenger service facilities, the analysis and calculations showed that KMP.Senangin had a level of suitability for passenger services of 77.4%, and a service user satisfaction score of 64.17%..
Co-Authors Agustina, Elfita Amir Mahmud Argo, Junian Budi Aulia Ika Atika Broto Priyono Daffa, Muhammad Dahlia Dewi Apriani Elfita Agustini Faishal Fadhil, Muhammad Afif Febriansyah Hardimansyah, Rizki Joe Ronald K. Bokau Kasbawati Kasbawati Khairani, Muhammad M. Khalid Monica Amanda Mu'tamar, Rispa Saeful Pujianto, Erli Puspitasari, Novrianti Rahmita, Destria Sari, Yulia Puspita Sesilia Putri, Salsabila Verandita Suwito Eko Pramono Syamsuddin Toaha Wulandari, Devita Eka Yulia Puspita Sari Zakki, Farhan