Judul: Sistem Pakar Diagnosa Kolik Pada Kuda Menggunakan Logika Fuzzy
Abstrak: Colic is a term used to describe various kinds of abdominal discomfort, caused by a variety of reasons ranging from gut hooked up to the entrolit due to worm infestation. Signs of colic vary according to the severity of certain conditions. Very few horses show all the signs at one time. This research propose an expert system for colic diagnosis of horse using fuzzy logic. Colic is identified by heart rate, gut sound, gastric reflux and old incident of colic. This research designed an expert system to determine what type of colic and focus on three types of colic : impaction, tympani and twisted gut. This system is built using Fuzzy Inference System (FIS) with four fuzzy parameters : heart rate, gut sound, gastric reflux and old incident of colic. Rules as knowledge base had been built with 36 rules for each colic. Mamdani method is used as inference process. System gives the type of colic as output. The type of colic also divides into six categories : support tympani, very supportive tympani, support twisted gut, very supportive twisted gut, support impaction, very supportive impaction. Based on verification, system can produce levels of accuracy around 89,89 %, the experimental result shows that fuzzy logic can be used to detect colic. To be used in real condition, this system still develope further, for example by adding other factors as parameters, such as anamnesa or examination of vital signs in horses.
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Judul: The Relation Between Colic Incidents With Colic Risk Factors In Horses (Case Study At Several Stable In Bogor And Tangerang Iu The Period Of January 2000 - April 2001).
Abstrak: The aim of this study is to show the relation between horse colic incidents with the colic risk factors at several stables in Bogor and Tangerang. Population taken in this study was 201 horses. Direct investigation, interview and medical records were couected from each stable and lIsed for describing the relation between colic incidence rate and colic risk factors in horses, which presented in descriptive way. This study showed that concentrates feeding frequency, daily activity, rasping frequency, history of previous colic, sex and age were related to horse colic incident at Arthayasa Stable, lAvima Turangga Equestrian, Jakarta Polo and Equestrian Dub and Pamulang Stable. The other risk such as duration of pasturement and dewormingfrequency were not related.
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Judul: Pembuatan Sel Surya Berbasis Film Ferroelektrik Barium Strontium Titanate (Ba0,5Sr0,5TiO3)
Abstrak: Growth of films Ba0,5Sr0,5TiO3 (BST) 1 M has been done with variation of annealing in hold time 8 hours, 15 hours, 22 hours, and 29 hours at constant temperature 8500C, above Si (100) substrate p-type, by using the sol-gel process method which followed with spin coating process at 3000 rpm for 30 seconds. Optics spectroscopy shows that BST film solar cells with annealing hold time 8 hours, 15 hours, and 22 hours, works effectively in wavelength ≥ 700 nm absorption range. Yet for sample with annealing hold time about 29 hours effectively absorb in ≤ 700 nm wavelength range. It obtained BST film refractive index at range 2.0 to 7.0 to wavelength range ±370-870 nm. Band gap BST film value based on annealing hold time 8 hours, 15 hours, 22 hours, and 29 hours respectively 2.60 eV; 3.12 eV: 3.24 eV, and 2.66 eV. Electrical conductivity value which obtained, indicate that the BST film is classified as semiconductor material with conductivity order 10-5-10-4 S / cm. The result of I-V photovoltaic characterization shows the BST film potentially to be a solar cells device with efficiency according to the annealing hold time 8 hours, 15 hours, 22 hours, and 29 hours in a row are 2.68x10-5%, 3.51x10-5%, 4.53x10-5% and 3.22x10-5%
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