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Journal : Indonesian Green Technology Journal

Rancangan Wadah Buah Tomat Untuk Menahan Getaran Selama Transportasi Berbahan Eceng Gondok dan Pelepah Pisang Ida Ayu Widhiantari; Sandra Malin Sutan; Gunomo Djoyowasito
The Indonesian Green Technology Journal Vol 5, No 1 (2016)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (941.458 KB)

Abstract

Faktor kerusakan buah tomat selama kegiatan transportasi antara lain dipengaruhi oleh besar kecilnya frekuensii getaran, dan lama waktu selama transportasi, sehingga dibutuhkan penanganan untuk dapat mengurangi kerusakan yang terjadi. Penggunaan bahan pengisi dari kombinasi serat eceng gondok dan pelepah pisang sebagai peredam getaran pada kotak kayu sebagai wadah tomat digunakan pada penelitian ini. Penelitian dilakukan dengan rancangan acak kelompok (RAK) terdiri dari dua faktor dan tiga level yaitu frekuensi getaran (3, 6, dan 9 Hz) dan lama waktu (120,150,180 menit). Penggunaan bahan peredam tersebut mampu mengurangi kerusakan mekanis selama simulasi transportasi dengan nilai persentase kerusakan sebesar 16,1566% pada frekuensi getaran 3 Hz. Begitu pula nilai susut bobot, tekstur, kecerahan, warna merah (a), dan warna kuning (b) buah tomat terbaik juga diperoleh pada frekuensi getaran 3 Hz masing-masing sebesar 3,5993%; 0,1287 kg/mm²; 31,77; 17,71; 18,75.Kata kunci:  kerusakan mekanis, peredam getaran, tomat
Fuzzy Logic in Determining The Control Temperature and Humidity in Plant Factory for Cultivation of Pak choy (Brassica chinensis l.) Hydroponics Choirul Umam; Sandra Malin Sutan; Yusuf Hendrawan
The Indonesian Green Technology Journal Vol 8, No 1 (2019)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2019.008.01.02

Abstract

In cultivation of vegetable plants, plant factory system requires flexible approach and resolution methods with a high degree of accuracy, considering the main requirement quality of plant factory is internal environmental conditions that must be a constant value for a long period, while the value of temperature and humidity environment is fluctuate easily. The purpose of this study is to find out the steps of obtaining fuzzy values and knowing the value of PWM (Pulse Width Modulation) output in the plant factory for a set point temperature of 280C and a set point humidity of 75% using the Tsukamoto fuzzy approach. Fuzzy logic is an approach method and problem solving by modeling linear and non-linear functions, the main advantages of this method are being very flexible, high tolerance and high-value precision as well natural language use in this method, so  it can be understood easily. Pak choy plants (Brassica Chinensis L.) can grow ideally at temperatures of 19-30oC and 75% humidity. The steps of research is, first determine the input and output variables which are firm sets. Second,  fuzzy compositions, are the steps of changing input values to the value of  functions involve. Third, inference fuzzy set of Tsukamoto  with the minimum method. Fourth, defuzzication with re-convert data in fuzzy set to crisp data. The last step is to get the output value of the defuzzification result which  converted to PWM (Pulse Width Modulation) value. The calculation results obtained a PWM (Pulse Width Modulation) value of 760.2450 for the set point temperature of 28oC and humidity of 75% in the plant factory of pak choy’s cultivation.Keywords: Fuzzy Logic, Fuzzy Tsukamoto, High Accuracy, Pak Choy, Plant Factory, PWM.
Co-Authors - Andasuryani A.A. Ketut Agung Cahyawan W Abdullah Abdullah Achadiah Rachmawati admin Agus Sugiyatno Ahmad Diyanal Arifin Akhmad Adi Sulianto, Akhmad Adi Alfauzi, Rendy Alin Rosyidatul Afidah SR Amirada Nur Laily Anang Lastriyanto Annisa u Choirun Annisa Utami Arif Arif Arif Wicaksono R.P Arimurti, Purnami Artono, Vicho Yugho Ary Musthofa Ahmad Ary Musthofa Ahmad Ary Mustofa Ahmad Asrul, Andi Moh. Azizun Maslachatul Mawla Azzahara, T. Aulya Badaruddin Badaruddin Bambang Dwi Argo Bambang Susilo Bayu Saputra Chalista, Igna Aquila Choirul Umam Choirunnisa, Nurul Istiqomah Cokorda Bagus Jaya Lesmana, Cokorda Bagus Jaya Darwin Kadarisman Deivy Amaliya Tipdani Dewi Maya Maharani Dharmaji Chowmas Dian Wahyuni Dimas Firmanda Al Riza Dwi Purnomo Dwi Wulandari Eka Kartika, Defi Fadillah Fadlillah Fausi, Ria Risti Febriari, Fitria Febriari, Fitria Fitrah Diantika Galla, Ribka Gunomo Djojowasito Gunomo Djoyowasito Gustiyana, Gustiyana Hamidah Nayati Utami Hendy Firmanto Herlambang Widarto, Marsa Hilmi, Miftahul Himawan, Harki Indah Mustika Sakti Indah Purnamasari, Desi Rahmawati Indra, Rani Lisa Irman Mahbudi Isya Al Hanif Jeshica, Jeshica johan, dwiyumelia Joko Prasetyo Joko Prasetyo Juliana Puspika Junaedy, Mohamad Kartika, Defi Eka Khoiril Anam, Khoiril Kreative Y.R, Rizka Kumalasari, Anisa Indah La Choviya Hawa Lama, Yuyu Lamrens Lazuardy Tembang, Lazuardy Luh Nyoman Alit Aryani, Luh Nyoman Alit Manawu, Nurafni Mandala, Nanda Febriani Maskur Maskur Miftahul Hilmi Mitra Mitra Mochamad Bagus Hermanto Moh Dahlan Th Musa Muchnuria Rachmawati Muditawira, Haoriadi Muhamad Amar Nadhif Muhamad ikhsanudin Muhammad Ardiansyah Muhammad Rusydi H. Musthofa Lutfi Mustofa Lutfi Muzaki, M. Amin Nadia Nadia Nauri, Afid Rahman Ni Nyoman Padang Cakra Binaraesa Nova, Diftiya Novita Yanti, R. Novrianti, Melda Nurarafah, Nurarafah Nurfauzi, Sobirin Nurluthfi Putra Panggoe, Hartito Pipit Elok Nikmatus Sholikah Putri Suci Asriani Rafmin, Fatmawati Rasyid, Fathana Rasyid, T. Abdur Rasyid, Tengku Abdur Retno Damayanti Rhamadan, Ilham Rida Jelita Rinah, Rinah Rini Yulianingsih Rino Ardianto Riyanto Riyanto Rohani Ruslan Wirosoedarmo Rusli M., Muhammad Rustan Efendi Sahabudin Sahabudin, Sahabudin Saiful Hosni Sholikah, Pipit Elok Nikmatus Silvi Astri Cahyani Sitti Rugayya Soro, Bernald Marco Sumardi Sumardi Sung Suk Kim Suryaningsih, Ninik Daryuni Susilawati, Tris Baiq Turofiq, I’anna Vincentia Veni Vera Wahyunanto Agung Nugroho Wardani, Ida Aju Kusuma Wengkau, Mario Putra Wibowo, Sasongko Aji Widhiantari, Ida Ayu Witman Rasyid, Witman Yadi Sutikno Yulandari, Nur Yusra Yusri Yusri Yusuf Hendrawan Yusuf Wibisono Yusuf, Magfira Zakia Zakia Zaqlul Iqbal