Articles

SUMBER DAYA WIRELESS UNTUK MENGHASILKAN ENERGI LISTRIK TERBARUKAN Hidayat, Rahmad
SINERGI Vol 20, No 2 (2016)
Publisher : Universitas Mercu Buana

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Abstract

Industri daya dan energi tidak terlepas dari peran penting gelombang elektromagnetik. Tulisan ini memberikan kajian metode pembangkitan daya listrik melalui sistem transmisi wireless. Perhatian utamanya ada pada empat metode karena kepraktisannya yaitu induksi elektromagnetik,  kopling resonansi, laser dan penerimaan sinyal  frekuensi radio. Metode yang ada dibandingkan satu sama lain dalam beberapa aspek teknis. Tujuan penelitian ini adalah untuk memilah beberapa desain sesuai metoda pembangkitan daya listriknya masing-masing, dan hasil penelitian ini berupa usulan metode yang paling menjanjikan untuk memanen energi listrik secara wireless dengan tingkat efisiensi yang baik yaitu dengan menggunakan rectenna sebagai bagian utama suatu sistem Wireless Power Transmission (WPT).
PENDIDIKAN KECAKAPAN HIDUP PADA PROGRAM KEAHLIAN TEKNIK OTOMOTIF SMK NEGERI 1 SUTERA KABUPATEN PESISIR SELATAN Hidayat, Rahmad; Jama, Jalius; Elisna, .
Jurnal Pendidikan Teknologi dan Kejuruan Vol 2, No 2 (2013): Maret
Publisher : Jurnal Pendidikan Teknologi dan Kejuruan

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Abstract

This research aimed to know deeply about the implementation of life skill education which consist of: Planning, Implementation, Evaluation and even the obstacle of life skill problem and the solving problem at the Automotive Technical Specification in vocational 1 Sutera. The method which is used in this research qualitative research method by using the qualitative steps as suggested by spradley.The informants were purposively selected, with snowball sampling technique. The number of informant were as extended as needed. The key informat’s is the headmaster of vocational high school 1 Sutera and so increases match of that data’s need.Data were collected through observation, interview and study documentation validation was conducted by applying the triangulation technique, that is validation by functioning the outside thing of data. The triangualation was done by comparing the interview data source from observation, comparing the actors statement articulated openly and those communicated individually, and comparing the data gathered with the relevant theory.This research finding were the implementation of life skill program which was integrated into the implementation of learning at the core curriculum at school. The implementation of learning life skill education was not conducted maximally, because there were the abstacles. They seemed that the teacher did not understand the life skill education it self, introduction and student comprehension about life skill education was not available maximally. According to the evaluation result of learning and teaching process include the evaluation, life skill education has appropriated with common standard procedure at school. While the result factor was at relatively low level. According to the minimum passing standard, the competency test grade is 7, while the student average reached 6,8. It means the student estimation reaching at life skill program which was predicted from the competency test result is 65-70 %. Keywords: Life Skills Education, Vocational
DETEKSI PENYEBARAN BAKTERI Aeromonas hydrophilla PADA IKAN LELE DUMBO (Clarias gariepinus) DI KECAMATAN MEDAN TUNTUNGAN Hidayat, Rahmad; Patana, Pindi; Lesmana, Indra
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

Aquaculture of Catfish has several advantages, such as rapid growth, high ability to adapt in environmental, and high nutritional content. Nowdays, most of the African catfish aquaculture used intensive farming systems. One of important factor for catfish aquaculture pests and diseases. Disease problems are usually a major obstacle because it can harm aquaculture such as total mortality, productivity and in water quality. One of the diseases that often attack the catfish is A. hydrophila bacterium. This research had been conducted on September – November 2013. This reseach intend to identify and determine spreading of the bacterium A. hydrophila in catfish especially in Medan Tuntungan Sub-district. This research used sampling method, bacterial diagnosis and identification of bacteria. The result showed, from 90 isolates, 19 of them infected by A. Hidrophila bacteria, that was 7 species in pond I, 0 species in pond II, 7 species in pond III, 3 Species in pond IV, 2 species in pond V.Keyword : Cathfish (Clarias batrachus), Bacteria Identify, Types of Bacterias, Aeromonas hydrophila Bacterium.
UPAYA PEMERINTAH KABUPATEN BENGKALIS DALAM PENANGGULANGAN ABRASI (Studi Pada Pesisir Pantai Kabupaten Bengkalis Tahun 2010-2012) Hidayat, Rahmad; Asrida, Wan
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol 1, No 2 (2014): WISUDA OKTOBER 2014
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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Abstract

Bengkalis government has the responsibility and authority to abrasion reduction, which is oneform of environmental control that isi part of the area under law No. 32 on 2004 regionalgovernment. With the reduction of abrasion expected Bengkalis coastal areas of abraded toreduce the impact arising from abrasion. But what happens at the moment still found the coastalareas are the still so widely abraded abrasion that is growing every year 7-8 meters/years. Thisis cause of negative impact to survival of society and undermine existing infrastructures. For thegovernment forest rehabilitation and contruction of retaining waves. Also, the governmentshould focus on the preventation of abrasion by allocating sufficient budgeting and more onimproving relationship and good coordination wint the community and coordination amonggovernment agencies that have the same mission in tackling abrasion. However, efforts havebeen good , but not maximized.Keysword: Combating abrasion, coastal, rehabilitation and contruction.
PENERAPAN LEAN MANUFACTURING DENGAN METODE VSM DAN FMEA UNTUK MENGURANGI WASTE PADA PRODUK PLYWOOD (Studi Kasus Dept. Produksi PT Kutai Timber Indonesia) Hidayat, Rahmad; Tama, Ishardita Pambudi; Efranto, Remba Yanuar
Jurnal Rekayasa dan Manajemen Sistem Industri Vol 2, No 5 (2014)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Brawijaya

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Abstract

Abstrak   PT Kutai Timber Indonesia merupakan salah satu perusahaan manufaktur yang bergerak dalam bidang penghasil produk plywood sebagai produk utamanya. Pada proses produksi di perusahaan masih ditemukan beberapa waste. Untuk mengurangi waste yang terjadi digunakan pendekatan lean manufacturing dengan metode Value Stream Mapping (VSM) untuk pemetaan aliran produksi dan aliran informasi terhadap suatu produk pada tingkat produksi total, serta analisis Failure Mode and Effects Analysis (FMEA) untuk mengetahui penyebab kegagalan proses yang terjadi di lini produksi. Identifikasi waste diawali dengan penggambaran current state map, lalu dilakukan analisis waste ke dalam kategori 7 waste (Liker,2006). Setelah itu dilakukan analisis akar penyebab timbulnya waste menggunakan fishbone diagram, dan analis FMEA untuk mengetahui nilai RPN tertinggi yang selanjutnya akan menjadi prioritas pemberian usulan perbaikan yang tepat dan sesuai dengan masalah dan kondisi di PT Kutai Timber Indonesia. Rekomendasi perbaikan yang diberikan terkait dengan nilai RPN tertinggi pada waste yang teridentifikasi adalah memberikan desain alat material handling yang lebih tepat dan ergonomis, melakukan kegiatan maintenance, serta melakukan penambahan jumlah mesin dryer. Kata kunci: lean manufacturing, value stream mapping, failure mode and effects analysis
PENGEMBANGAN PROGRAM MULTIMEDIA UNTUK MENINGKATKAN PENGUASAAN KOSAKATA BAHASA INGGRIS SISWA KELAS VII SMP DI BANJARBARU Hidayat, Rahmad; Nurhayati, Endang
LingTera Vol 1, No 1: Mei 2014
Publisher : LingTera

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Abstract

Penelitian ini bertujuan menghasilkan program multimedia interaktif berbasis Flash untuk meningkatkan penguasaan kosakata siswa kelas VII SMP Kota Banjarbaru. Penelitian ini meng-ukur kualitas program ditinjau dari validasi ahli, penilaian pengguna dan hasil pretest-posttest. Pengembangan dilakukan melalui lima tahapan, yaitu: (1) analisis awal, (2) desain, (3) pengem-bangan program, (4) evaluasi, dan (5) pengemasan produk akhir. Subjek uji coba adalah siswa dan guru Bahasa Inggris kelas VII di SMP Negeri 11 Banjarbaru. Instrumen yang digunakan dalam pengumpulan data adalah lembar validasi, angket guru dan siswa, dan pretest-posttest. Hasil penelitian menunjukkan: (1) kualitas program dari segi materi dan media termasuk dalam kategori sangat baik dengan rerata skor 4,30 dan 4,44; (2) kualitas program dari penilaian guru dan siswa masuk dalam kategori baik dengan rerata skor 3,79 (guru) dan 4,18 (siswa); dan (3) terdapat peningkatan antara rerata skor hasil pretest (61,33) dengan posttest (85,2). Dengan demikian program multimedia yang dikembangkan cocok dan layak untuk digunakan dalam pembelajaran Bahasa Inggris di kelas. Kata kunci: pengembangan program, multimedia, kosakata, Flash
THE CULTURAL CONFLICT OF THE AMERICAN INDIAN PEOPLE: A BRIEF OVERVIEW ON TWO AMERICAN INDIAN FICTIONS Hidayat, Rahmad; Februansyah, Rizky
Celt Vol 8, No 2 (2008)
Publisher : Soegijapranata Catholic University

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Abstract

Indian people are indigenous people of America, who had lived for centuries and long before the coming of European people to America in 15003. There are many tribes, even more than a hundred, among the Indian people. Each of them lived in group and has their own characteristics, such as language, custom, and culture. The contact between the Indian people and the European people brought a new era especially for the Indian people, which later changed the life of the Indian people from traditional into modem. It bears a cultural conflict for Indian people as can be seen in the works of Indian fictions such as House Made of Dawn and Auntie Angies Cheyenne Affair, both written by Indian people, N Scoll Momaday and Adrian C Louis, respectively. In all cases, both novels represent the problems of cultural conflict encountered by the Indian people when they lived between two cultures, traditional and modem ones. This emerges in the writers portrayals of their Indian young generation characters as the result of the changing from traditional to modem life.
Klasifikasi Bit-Plane Noise pada Gambar Menggunakan Logika Fuzzy Hidayat, Rahmad
Jurnal ECOTIPE Vol 2, No 1 (2015): Jurnal “ECOTIPE” Jurusan Teknik Elektro Fakultas Teknik Universitas B
Publisher : Jurusan Teknik Eelektro Universitas Bangka Belitung

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Abstract

Teknik steganografi BPCS (Bit-Plane Complexity Segmentation) merupakan salah satu teknik steganografi yang cukup baru. Salah satu proses penting dalam Teknik Steganografi BPCS adalah proses penghitungan nilai kompleksitas suatu bit-plane. Nilai kompleksitas dihitung dengan melihat seberapa banyak pergantian bit yang terdapat dalam sebuah bitplane. Jika bit-plane tersebut memiliki nilai kompleksitas yang tinggi, maka bi-plane tersebut dikategorikan sebagai bitplane noise yang tidak mengandung informasi yang berharga pada gambar. Klasifikasi bit-plane yang menggunakan himpunan cripst (noise dan tidak) tersebut tidak adil, dimana sebuah perbedaaan nilai yang sedikit saja akan mengubah secara signifikan status dari bit-plane tersebut. Penelitian ini mencoba untuk menerapkan prinsip himpunan fuzzy untuk mengklasifikasikan bit-plane menjadi kedalam tiga buah himpunan yaitu informatif, informatif sebagian, dan noise region. Klasifikasi bit-plane kedalam himpunan fuzzy terebut diharapkan dapat menggolongkan bit-plane secara lebih objektif dan pada akhirnya daya tampung gambar terhadap pesan dapat ditingkatkan dengan dengan menggunakan inferensi fuzzy mamdani untuk mengambil keputusan bit-plane mana yang akan digantikan dengan pesan berdasarkan klasfikasi bit-plane yang tersedia dan ukuran pesan yang akan disisipkan.Kata kunci : Steganography, Bit-Plane, BPCS, Threshold, Stego-Image, Fuzzy
Growing and Archiving Youth Aspirations: Efforts of C20 Community in Preserving Surabaya Heritage Hidayat, Rahmad
Mozaik Humaniora Vol 16, No 1 (2016)
Publisher : Faculty of Humanities - Universitas Airlangga

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Abstract

The paper attempts to highlight the efforts of C20 community in Surabaya to actively ‘remind’ Surabaya youngsters especially to their own identity as the heirs of Surabaya, which is rich in its coastal urban traditions such as culinaries, buildings, and the plurality of the people. Its base camp, located on Cipto street number 20 (which explains how it gets its name from), is a place to record and publish through activities in public spaces, such as Ayorek.org, a site to gather any facts and values about Surabaya which seem to be forgotten by Surabaya young people. The paper specifically focuses on the way youngsters involved in the community are aspired to (re)capture their identities and find their place in this global world. By doing qualitative research, I interviewed the members of community and was also involved in their activities in Surabaya. It is argued that the community of C20 in Surabaya is filling the empty space left by the Surabaya government in empowering the youth to preserve their own city. C20 is also successful in creating a place for youth aspirations not only to “memorize” Surabaya but also to make Surabaya a better place to live and to be creative.
Pengaruh Good Corporate Governance dan Ukuran Perusahaan Terhadap Kinerja Keuangan Perusahaan (Studi Empiris pada Perusahaan Perbankan yang Terdaftar di BEI 2010-2013) Hidayat, Rahmad; M. Rasuli, M. Rasuli; Azlina, Nur
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi Vol 2, No 1 (2015): Wisuda Februari 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi

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Abstract

The purpose of this study was to examine the influence of Institutional Ownership, Size of Commissioners Board, Independent Commissioner composition, Size of Directors Board, and company size to Company Performance. The population in this study are all companies engaged in the field of banking services in Indonesia Stock Exchange and using financial statements in 2010 and 2013, which amounted to 38 companies. The sampling technique with purposive sampling. Based on the criteria specified only 27 companies that meet the criteria. Methods of data analysis using multiple linear regression analysis. Based on the analysis, the conclusions of this research are: 1) institutional ownership has a significant negative effect on financial performance; 2) The Board of Commissioners and independent Commissioners have not significant effect on financial performance. 3) The Board of Directors have a significant positive effect on financial performance. 4) Company size has not significant effect to the financial performance.Keywords: Institutional Ownership, Size of Commissioners Board, Independent Commissioner composition, Size of Directors Board, Company Size, and Company Performance