Browsing Mechanical & Biosystem Engineering by Author "Ahmad, Usman"
Now showing items 1-18 of 18
-
Algoritma pengolahan citra untuk deteksi jeruk lemon (Citrus medica) menggunakan kamera online
Prianggono, Jarot | Seminar, Kudang Boro | Hadi K. | Purwadaria | Ahmad, Usman | Subrata, I Dewa Made (2005)This research aimed to supporf the application of automatic lemon harvesting using camera. Detection of lemon existence by means of image pmssing started on the basis of color signal analysis of the surface of an object ... -
Aplikasi Pelapisan Kitosan dan Ulin Lebah untuk Meningkatkan Umur Simpan Salak Pondoh
Martina, Leni | Aris Purwanto, Yohanes | Ahmad, Usman (2014-04) -
Aplikasi Teknik Pengolahan Citra dalam Analisis Non-Destruktif Produk Pangan
Ahmad, Usman (2010-03)Aplikasi ilmu teknik dalam bidang pertanian sudah dilakukan sejak lama. Perancangan terhadap lingkungan terkendali telah mengalami evolusi yang signifikan sejak tahun 1980. Sejak beberapa tahun terakhir bahkan kata "presisi" ... -
Application of Semi-Cutting and Waxing In Low Temperature Storage of Mangosteen
Ahmad, Usman | Darmawati, Emmy | Munanda, F.E. (2013-11)Peel hardening of mangosteen fruit is one of the problems in low temperature storage and it makes it difficult to open them before consumption. One attempt to solve this problem is the application of semi-cutting treatment ... -
Chiling Injury in Green Mature 'Gedong Gincu' Mango Fruits Based on the Changes in Ion Leakage
Aris Purwanto, Yohanes | Okvitasari, Henry | Mardjan, Sutrisno | Ahmad, Usman | Makino, Y. | Oshita, S. | Kuroki, S. | Kawagoe, Y. (2011) -
Development of Citrus Grading System Using Image Processing
Ahmad, Usman | Suhil, M. | Tjahjohutomo, R. | Purwadaria, H.K (2011)Citrus production in Indonesia has been increasing to a yield of J 7-25 tons/ha. However, the quality is still a serious problem. Most of the citrus produced from the production centers such as Pontianak and Medan enter ... -
Development of Image Processing Algorithm to Determine the Fresh Tomato Maturity Level
Ahmad, Usman | Rizali, Yusuf (2007-09)During the manual sorting and grading tomato, the yield product will be less uniform. The result in manual sorting and grading has less accuracy, so needed a better method in sorting and grouping tomato. The growth of image ... -
Karakteristik Mutu Biji Jarak Pagar Selama Penundaan Pengeringan
Kardiyono | Ahmad, Usman (2009-11)Pemanenan buah jarak pagar (rotasi panen) dilakukan setiap waktu tertentu sesuai dengan keragaman tingkat kematangan buah dan ketersediaan tenaga kerja. Penanganan pascapanen jarak pagar perlu mendapatkan perhatian khusus ... -
Method of Waxing on Quality and Shelf-life of Semi-Cutting Mangosteen in Low Temperature Storage
Ahmad, Usman | Darmawati, Emmy | Refilia, Nur Rahma (2013)Mangosteen can be stored for a relatively long period in low temperature storage, but peel hardening due to lost of moisture makes it difficult to open before consumption. One attempt to solve this problem is the application ... -
Non Destructive Prediction of pH in Mango Fruits cv. Gedong Gincu Using NIR Spectroscopy
Purwanto, Yohanes Aris | Zainal, Putri Wulandari | Ahmad, Usman | Mardjan, Sutrisno | Makino, Yoshio | Oshita, Seiichi | Kawagoe, Yoshinori | Kuroki, Shinichi (2013-06) -
Non Destructive Prediction of Ripe-Stage Quality of Mango Fruit Cv 'Gedong Gillen' Stored in Low Temperature by NIR Spectroscopy
Purwanto, Y. Aris | Zainal, Putri Wulandari | Sutrisno | Ahmad, Usman | Makino, Yoshio | Oshita, Seiichi | Kawagoe, Yoshinori | Kuroki, Shinichi (2013-08)This study demonstrates the use NIR spectroscopy to predict the internal quality parameter in mango fruit non destructively. Soluble solids content (SSC). pH and firmness of mango fruits cv: ‘Gedong Gincu') were examined ... -
Non Destructive Prediction of Ripe-Stage Quality of Mango Fruit CV Gedong Gincu Stored in Low Temperature by NIR Spectroscopy
Aris Purwanto, Yohanes | Wulandari Zainal, Putri | Sutrisno | Ahmad, Usman | Makino, Yoshio | Oshita, Seiichi | Kawagoe, Yoshinori | Kuroki, Shinichiro (2013) -
Nondestructive Evaluation of Anthocyanin Concentration and Soluble Solid Content at the Vine and Blossom Ends of Green Mature Mangoes- during-Storage byHyperspectrat Spectroscopy
Makino, Yoshio | Isami, Aiko | Suhara, Takehiro | Goto, Kenjiro | Oshita, Seiichi | Kawagoe, Yoshinori | Kuroki, Shinichiro | Aris Purwanto, Yohanes | Ahmad, Usman | Sutrisno (2015) -
Pengembangan Algoritma Image Processing untuk Menduga Kemasakan Buah Manggis Segar
Suhandy, Diding | Ahmad, Usman (2003)One of important factor in post harvest handling is cropping at correct maturity level. Fruit maturity relates to age pluck vegetable or fruit to be harvested have old enough or not yet. Grading represent dissociation of ... -
Pengembangan sistem kemudi atomatis pada traktor pertanian menggunakan navigasi GPS
Desrial | Subrata, I Made | Ahmad, Usman | Annas, Sjahrul | Saeful, Cecep (2010)Penelitian tentang aplikasi sistem navigasi otomatis pada traktor pertanian menjadi salah satu topik penelitian yang penting pada dua dekade terakhir, khususnya pada negara-negara maju dimana issue tentang aplikasi "Precission ... -
Pengolahan Citra untuk Pemeriksaan Mutu Buah Mangga
Ahmad, Usman (2002)Indonesia has many kinds of tropical fruits, including mango, that can be exported besides to supply the demand on the fruits in the country. To ensure the quality of mango, it is important to do sortation and grading on ... -
Plant Speaking Approach for Automatic Fertigation System in Greenhouse
Ahmad, Usman | Subrata, I Dewa Made | Chusnul, Arif (2009)Nowadays, many vegetables are grown inside greenhouses in which environment is controlled and nutrition can be supplied through water supply using electrical pump, namely fertigation. Dosage of nutrition in water for many ... -
Pola Peningkatan Kekerasan Kulit Buah Manggis Selama Penyimpanan Dingin
Ahmad, Usman | Sutrisno | Budiastra, I Wayan | Purwanto, Aris | Novita, Dwi Dian (2012-09)Mangosteen skin hardening is an indicator of damage at mangosteen storage which is related to skin moisture. The research was aimed to develop a model of NIR calibration in predicting the changes of water content of ...