77 research outputs found

    Analisa Antrian Di Terminal Keberangkatan Bandara Syamsudin Noor Banjarmasin

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    Peningkatan jumlah penumpang pesawat yang terus menerus mengakibatkan terjadinya kepadatan di bandara. Salah satu dampak kepadatan di bandara adalah terpengaruhnya tingkat pelayanan di terminal keberangkatan. Tujuan yang ingin dicapai dalam penelitian ini adalah mengetahui berapa jumlah loket pelayanan X-Ray dan Check-in di Terminal Keberangkatan minimal harus dibuka dan bagaimana kinerja proses antrian yang terjadi, dan berapa jumlah loket pelayanan minimal harus dibuka agar memenuhi standar Level of Service . Agar memenuhi standar Level of Service, jumlah counter pelayanan X-Ray yaitu minimal 2 buah counter

    Tinjauan Kinerja Simpang Empat Bersinyal Menggunakan Program KAJI dan SIDRA (Studi Kasus: Simpang Pasar Moodu, Gorontalo)

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    The Moodu Market intersection is a signalized intersection formed by the convergence of Jalan Sultan Botutihe-Jalan Matolodula and Jalan Prof Dr. H. Aloei Saboe. This intersection is one of the accesses to the Aloei Saboe Hospital, Fourth Campus of the State University of Gorontalo, offices in Bone Bolango Regency, and close to Moodu market. Large traffic flows that pass through this intersection causes congestion. The purpose of this research was to analyze the permormance of the intersection to determine the level of service at the intersection. The analytical method used to determine the performance of the intersection was conducted using the KAJI and SIDRA programs. Observations were conducted in three days (Monday, 22 March 2021; Thursday, 25 March 2021; and Sunday, 28 March 2021) starting att 06.00-18.00 WITA. The data used in the analysis included the intersection’s geometry, signal time, traffic volume, side barrier, cruise speed, pedestrian, and the population of Gorontalo City. The data was processed to find the values used to determine the performance of the intersection. Based on the results of analysis using the KAJI program, the average delay was 16.73 seconds for the north approach (Jalan Prof. Dr. H. Aloei Saboe), 12.75 seconds for the south approach (Jalan Matolodula), 25.86 seconds for the east approach (Jalan Sultan Botutihe), and 52.67 secinds for the west approach (Jalan Sultan Botutihe). Meanwhile, the results of the analysis using the SIDRA program showed that the average delay was 64.4 seconds for the north approach (Jalan Prof. Dr. H. Aloei Saboe), 13.1 seconds for the south approach (Jalan Matolodula), 42.0 seconds for the east approach (Jalan Sultan Botutihe), and 13.3 seconds the west approach (Jalan Sultan Botutihe). The average delay of the intersection based on the KAJI program was 32.11 seconds where its Level of Service was D while the average delay of the intersection based on the SIDRA program was 36.8 secinds whereas its Level of Service was D. The average percentage difference in the intersection delay using the KAJI and SIDRA Program was 12.75%.The Moodu Market intersection is a signalized intersection formed by the convergence of Jalan Sultan Botutihe-Jalan Matolodula and Jalan Prof Dr. H. Aloei Saboe. This intersection is one of the accesses to the Aloei Saboe Hospital, Fourth Campus of the State University of Gorontalo, offices in Bone Bolango Regency, and close to Moodu market. Large traffic flows that pass through this intersection causes congestion. The purpose of this research was to analyze the permormance of the intersection to determine the level of service at the intersection. The analytical method used to determine the performance of the intersection was conducted using the KAJI and SIDRA programs. Observations were conducted in three days (Monday, 22 March 2021; Thursday, 25 March 2021; and Sunday, 28 March 2021) starting att 06.00-18.00 WITA. The data used in the analysis included the intersection’s geometry, signal time, traffic volume, side barrier, cruise speed, pedestrian, and the population of Gorontalo City. The data was processed to find the values used to determine the performance of the intersection. Based on the results of analysis using the KAJI program, the average delay was 16.73 seconds for the north approach (Jalan Prof. Dr. H. Aloei Saboe), 12.75 seconds for the south approach (Jalan Matolodula), 25.86 seconds for the east approach (Jalan Sultan Botutihe), and 52.67 secinds for the west approach (Jalan Sultan Botutihe). Meanwhile, the results of the analysis using the SIDRA program showed that the average delay was 64.4 seconds for the north approach (Jalan Prof. Dr. H. Aloei Saboe), 13.1 seconds for the south approach (Jalan Matolodula), 42.0 seconds for the east approach (Jalan Sultan Botutihe), and 13.3 seconds the west approach (Jalan Sultan Botutihe). The average delay of the intersection based on the KAJI program was 32.11 seconds where its Level of Service was D while the average delay of the intersection based on the SIDRA program was 36.8 secinds whereas its Level of Service was D. The average percentage difference in the intersection delay using the KAJI and SIDRA Program was 12.75%

    Perancangan Dan Implementasi Sistem Orthogonal Frequency Division Multiplexing (Ofdm) Dengan Menggunakan Dsk-tms320c6713

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    OFDM adalah salah satu teknik transmisi yang menggunakan beberapa buah frequency subcarrier yang saling tegak lurus (orthogonal). Karakteristik yang saling tegak lurus membuat frequency subcarrier dapat saling overlap tanpa menimbulkan interferensi. Dilakukan perancangan sistem OFDM dengan menggunakan DSK (Digital Signal Processing Starter Kit) TMS320C6713 berbasis m-file dan Simulink dengan menggunakan beberapa modulasi diantaranya QPSK, 16QAM, dan 64QAM. Pengujian dilakukan dengan membandingkan hasil keluaran dari diagram konstelasi sinyal, sinyal OFDM, dan Bit Error Rate (BER) pada m-file, Simulink dan DSK TMS320C6713. Hasil BER yang ditunjukan pada saat implementasi, Modulasi QPSK memiliki nilai BER yang paling baik dari pada modulasi 16QAM dan 64QAM. Pada nilai Eb/No 10dB, modulasi QPSK memiliki nilai BER sebesar 0,14400, modulasi 16-QAM memiliki nilai BER sebesar 0,253600, dan modulasi 64-QAM memiliki nilai BER sebesar 0,288700. Kemudian modulasi QPSK memiliki efisiensi memori yang paling baik sebesar 1,0530303 % setelah diimplementasikan pada DSK TMS320C6713

    Identifikasi Mata Pencaharian Alternatif Masyarakat Lokal di Calon Kawasan Konservasi Teluk Depapre, Jayapura

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    Teluk Depapre telah ditetapkan sebagai kawasan strategis nasional penunjang pembangunan di Provinsi Papua dan juga akan diusulkan sebagai pencadangan kawasan konservasi perairan dipastikan telah memberikan dampak terhadap masyarakat khususnya masyarakat lokal di sekitar kawasan. Tujuan dari penelitian ini, yakni mengidentifikasi, menentukan dan merumuskan strategi pengembangan mata pencaharian alternatif. Penelitian ini menggunakan empat pendekatan yaitu: studi kepustakaan, observasi dan survei serta Participatory Rural Appraisal (PRA). Metode analisis data yang digunakan adalah analisis deskriptif, Coastal Livelihood System analysis, analisis Rating Scale dan analisis kelayakan USAha. Berdasaran analisis rating scale, didapatkan sebanyak tiga mata pencaharian alternatif yang teridentifikasi yang sangat potensial dikembangkan, yakni USAha pembuatan ikan asap, penyewaan pondok wisata dan penangkapan ikan dengan bantuan rumpon. Kemudian hasil analisis kelayakan secara finansial dari didapatkan rasio pendapatan terhadap total biaya (BCR) dari ketiga jenis mata pencaharian alternatif tersebut, maka rasio pendapatan tertinggi yakni USAha pembuatan ikan asap (3,70), kemudian USAha penyewaan pondok wisata (2.64), dan penangkapan ikan dengan bantuan rumpon (1,62). Berdasarkan efisiensi penggunaan investasi (ROI), maka USAha ikan asap lebih efisien yakni (90%), USAha penyewaan pondok wisata (85%), dan penangkapan ikan dengan bantuan rumpon (58%). Berdasarkan Payback Period (PP), yakni berdasarkan tingkat pengembalian investasi yang lebih cepat dalam satu tahun yakni tercepat USAha ikan asap (0.04), USAha penyewaan pondok wisata (2.17), dan USAha penangkapan ikan dengan bantuan rumpon (2,32). Mengingat kendala-kendala yang ada dalam pengembangan USAha mata pencaharian tersebut khususnya, ketersediaan bahan baku, modal, dan minat serta penguasaan teknologi yang masih rendah maka perlu strategi pelatihan dan pendampingan oleh stakeholder yang terkait

    Role of the National Trade Union DPC Semarang in Influencing Determination of Minimum Wage Policy in Semarang 2014

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    The issue of minimum wage is an interesting thing to study. At the end of each year the government issued a policy to set minimum wages that must be paid by the company to its workers. Surely this is not an easy thing to do. Consider that Parties unions demanding higher minimum wages because the wages have not been able to meet their daily lives. Meanwhile, the employer argued that the wage increase would increase the cost of production which led to the company becoming uncompetitive in the industrialized world.2In this study, researchers used a qualitative method that will generate descriptive data. To obtain research purposes appropriate data sources, researchers used purposive sampling techniques to conduct interviews with National Trade Union (SPN) Kota Semarang and Dewan Pengupahan Kota Semarang.SPN struggle to influence the process of determining the UMK Semarang carried through the political system and from outside the political system. The struggle through the political system is joined the Dewan Pengupahan Kota which had the authorities in determining the value of the Quality of Life (KHL) through a survey in five traditional markets in the city, namely Pasar Karangayu, Pasar Mangkang, Pasar Jatingaleh, Pasar Pedurungan and Pasar Langgar.Researchers recomend, for the creation of a favorable climate in the industrial world, governments need to make improvements from regulation to implementation. Because as the executor of a policy, the government should be able to act decisively. That way, the regulations that have been made can be implemented properly

    Uji Kualitatif Boraks dan Formalin pada Bakso yang Dijual di Kecamatan Limboto Kabupaten Gorontalo

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    The aim of this study is to detect borax and formalin in meatballs that sold in Limboto, Gorontalo district. This is a descriptive qualitative study. Thirty-three samples were taken randomly from pushcart and restaurant meatball in Limboto. It used simple technic where using turmeric to detect borax and potassium permanganate (KMnO4) to detect formalin. The result showed that the samples were free from borax but twenty five samples (75.75%) were positive for formalin. In conclusion, the produsen of meatballs in Limboto was not using borax for making the chewable meatballs but using formalin to preserve the meatballs

    Mechanical Properties and Water Absorption of Coir and Angustifolia Haw Agave Fibers Reinforced Hybrid Polyester Composite

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    This article presents the mechanical properties (including tensile and flexural stength) and water absorption of coir/ angustifolia Haw Agave fibers hybrid composite. Prior to fabrication of composite, these fibers were soaked in 5%w/v NaOH solution during 24 hours. Coir fibers were manually twisted and formed like mat and agave fibers were composed with one direction and then also formed mat. Unsaturated polyester was used as matrix in hybrid composite.  Fabrication of hybrid composites used hand lay-up technique with compression molding. The variation of volume fraction of coir and agave fibers in hybrid composite are 5:25, 10:20 and 15:15 respectively. Tensile and flexural strength as well as water absorption of hybrid composite were investigated in this paper.  Fracture tensile was examined by Scanning Electronic Microscopy (SEM) to determine fracture mode. Results showed that by combination of coir and agave fibers as reinforcement of hybrid composite, higher content of agave fiber in the hybrid composite is higher tensile and flexural strength. Meanwhile, the higher content of agave in hybrid composite, the water absorption also increased. SEM examination shows that the hybrid composite tend to undergo fiber pull out and matrix defect

    Laser surface modification of duplex stainless steel 2205 to modify the surface roughness

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    Laser surface modification is an emerging process that can produce texture on a work surface and effectively enhance surface topography while altering surface roughness. Laser surface modification is a sensitive process that depends on various laser processing parameters such as power, scanning speed, hatching distance. The significance of this work is to examine the influence of hatching distance on the surface characteristic of 2205 duplex stainless steel samples. The surface transformation and variation of the surface roughness properties of the materials were examined. The hatching distance was varied from 0.1 to 0.005 mm. Results indicate that, as the hatch spacing decreases, the overlap of laser track increases, thereby resulting in a decrease of surface roughness. Meanwhile, with the increase of hatch distance, the clear overlay tracks were transformed to irregular wavy surface. The best hatch distance parameter obtained was 100 ÎĽm that resulted in the highest roughness of 8.45 ÎĽm. Experimental results illustrate that, when the optimum hatch distance of 100 ÎĽm was adopted, the polished smooth surface of 2205 duplex stainless steel with initial average roughness value of 0.19 ÎĽm increased by 42 times of the polished surface roughness. A strong correlation between hatching distance and roughness was established in 2205 duplex stainless steel. High depth of the altered surface topography and increased roughness were linked to higher levels of hatching distance

    EDUKASI POLA HIDUP SEHAT DI ERA PANDEMI COVID-19 DAN PENINGKATAN BAKAT MINAT MEMBACA KEMBALI PADA SISWA/SISWI SD KARTIKA IV-9 SURABAYA

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    Tema Kuliah Kerja Nyata Tematik (KKN-T) yang kami gunakan adalah Edukasi Pola Hidup Sehat di Era Pandemi Covid-19 dan Peningkatan Bakat Minat Membaca dengan sasaran program siswa sekolah dasar. kami merancang beberapa program khusus yang berkaitan dengan tema KKNT, dengan pertimbangan untuk tetap mematuhi protokol kesehatan yang berlaku. Program-program yang telah penulis rancang diharapkan dapat tercapainya tujuan dari tema yang telah di pilih. Tujuan program-programnya adalah sebagai berikut. (1) Memberikan pengetahuan kepada siswa/siswi SD Kartika IV-9 tentang bahaya virus Covid-19 dan dampak bagi kesehatan, kesejahteraan, dan masa depan. (2) Meningkatkan minat membaca dan kenyamanan belajar. Metode pelaksanaan menggunakan langkah sebagai berikut: identifikasi potensi dan menganalisis permasalahan di dalam masyarakat, perancangan program, penelitian pustaka untuk acuan materi yang digunakan selama pengabdian, metode observasi lapangan dilakukan untuk mengetahui kondisi, dengan mendatangi lokasi secara langsung sekaligus untuk melaksanakan kegiatan KKN

    How land use/land cover changes can affect water, flooding and sedimentation in a tropical watershed: a case study using distributed modeling in the Upper Citarum watershed, Indonesia

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    [EN] Human activity has produced severe LULC changes within the Upper Citarum watershed and these changes are predicted to continue in the future. With an increase in population parallel to a 141% increment in urban areas, a reduction of rice fields and the replacement of forests with cultivations have been found in the past. Accordingly, LCM model was used to forecast the LULC in 2029. A distributed model called TETIS was implemented in the Upper Citarum watershed to assess the impact of the different historical and future LULC scenarios on its water and sediment cycles. This model was calibrated and validated with different LULCs. For the implementation of the sediment sub-model, it was crucial to use the bathymetric information of the reservoir located at the catchment's outlet. Deforestation and urbanization have been shown to be the most influential factors affecting the alteration of the hydrological and sedimentological processes in the Upper Citarum watershed. The change of LULC decreases evapotranspiration and as a direct consequence, the water yield increased by 15% and 40% during the periods 1994-2014 and 2014-2029, respectively. These increments are caused by the rise of three components in the runoff: overland flow, interflow and base flow. Apart from that, these changes in LULC increased the area of non-tolerable erosion from 412 km(2) in 1994 to 499 km(2) in 2029. The mean sediment yield increased from 3.1 Mton -yr(-1) in the 1994 LULC scenario to 6.7 Mton-yr(-1) in the 2029 LULC scenario. An increment of this magnitude will be catastrophic for the operation of the Saguling Dam.This study was partially funded by the Spanish Ministry of Economy and Competitiveness through the research projects TETISMED (CGL2014-58,127-C3-3-R) and TETISCHANGE (RTI2018-093717-B-I00). The authors are also thankful to the Directorate General of Higher Education of Indonesia (DIKTI) for the Ph.D. funding of the first author.Siswanto, SY.; Francés, F. (2019). How land use/land cover changes can affect water, flooding and sedimentation in a tropical watershed: a case study using distributed modeling in the Upper Citarum watershed, Indonesia. Environmental Earth Sciences. 78(17):1-15. https://doi.org/10.1007/s12665-019-8561-0S115781
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